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About the Company Gemini is a global crypto and Web3 platform founded by Cameron and Tyler Winklevoss in 2014, offering a wide range of simple, reliable, and secure crypto products and services to individuals and institutions in over 70 countries. Our mission is to unlock the next era of financial, creative, and personal freedom by providing trusted access to the decentralized future. We envision a world where crypto reshapes the global financial system, internet, and money to create greater choice, independence, and opportunity for all — bridging traditional finance with the emerging cryptoeconomy in a way that is more open, fair, and secure. As a publicly traded company, Gemini is poised to accelerate this vision with greater scale, reach, and impact. The Department: Fraud Operations The Fraud Operations team is committed to protecting our users by stopping bad actors, safeguarding funds, and upholding the integrity of Gemini’s digital asset marketplace - all while operating at scale to deliver a seamless experience for our users. Our diverse team brings expertise across technology, legal, risk, data, and operations, leveraging advanced tools and analytics to protect users and disrupt fraud. We collaborate closely with product, engineering, operations, and compliance teams to manage risk effectively and support sustainable business growth. The Role: Senior Fraud Data Scientist (Credit Card) As a Senior Fraud Data Scientist, you will play a critical role in protecting Gemini and our customers from emerging fraud risks. You’ll lead initiatives to strengthen our fraud prevention strategies, design and implement effective rules and controls, and proactively mitigate risk before it impacts our platform. Your work will range from evaluating fraud exposure to driving cross-functional projects that enhance detection capabilities and safeguard customer trust. You are strategic, detail-oriented, and collaborative, with the ability to navigate complex risk landscapes while balancing prevention with a seamless customer experience. You thrive in fast-paced environments, excel at working independently, and bring deep subject matter expertise in fraud trends and mitigation techniques. This role requires strong experience with fraud detection systems, risk management methodologies, and regulatory frameworks. You’ll partner closely with teams across product, engineering, operations, and compliance to deliver impactful improvements to risk controls. Strong analytical and technical skills are essential, including expert level proficiency in SQL (and other data tools), along with the ability to design, manage, and measure the effectiveness of fraud prevention rules. This role requires on-call rotations. Responsibilities: Program Development: Design and lead the development of end-to-end fraud prevention and detection strategies, including procedures, fraud rules, and controls. Risk Analysis: Conduct sophisticated data analysis on large datasets (structured and unstructured) to identify emerging fraud trends, patterns, and potential risks. Monitoring & Optimization: Continuously monitor fraud prevention system performance, measure key risk metrics, and implement data-driven enhancements to improve accuracy and reduce false positives. Cross-Functional Collaboration: Partner with data science, risk operations, product, engineering, and customer support teams to integrate fraud prevention into products and services. Project Management: Oversee initiatives aimed at advancing fraud detection systems and optimizing operational processes. Reporting & Communication: Develop and deliver clear, actionable reports and insights for leadership and stakeholders, highlighting fraud risk exposure and the effectiveness of strategies and controls. Minimum Qualifications: 5+ years in fraud strategy, program management, or related risk management roles. Advanced analytical skills with proficiency in SQL, Python, Looker, and other data analysis and visualization tools. Hands-on experience with fraud detection and monitoring platforms, with the ability to analyze data and identify emerging fraud patterns. Strong verbal, written, and interpersonal skills with the ability to convey complex ideas clearly to both technical and non-technical audiences. Track record of working effectively across cross-functional teams (e.g., product, engineering, operations, compliance) to achieve shared goals. Comfortable making sound decisions in ambiguous or rapidly changing environments; skilled at using data to drive informed choices. Demonstrated ability to lead and execute projects spanning multiple teams, balancing priorities and driving results. Strong critical-thinking skills with the ability to stay composed under pressure and resolve complex issues. Hands-on experience with fraud transaction monitoring for credit card or debit card. Preferred Qualifications: Strong expertise in detecting and mitigating fraud risk, including account takeover, synthetic identity, distributed attacks, payment fraud, and collusion. Proven experience addressing and preventing fraud in digital channels and card-not-present environments. In depth knowledge of ACH risks, including reversal flows and related vulnerabilities. Background working in fast paced, high growth environments, ideally within fintech or other technology driven industries. Comprehensive understanding of scam, phishing, and social engineering threats with experience implementing effective mitigation strategies. Knowledge of dispute representment requirements and industry best practices. Proven ability to thrive in fast paced, technology driven environments and adapt quickly to change. Familiarity with financial markets, banking, or digital asset exchanges. It Pays to Work Here The compensation & benefits package for this role includes: Competitive starting pay A discretionary annual bonus Long-term incentive in the form of a new hire equity grant Comprehensive health plans 401K with company matching Paid Parental Leave Flexible time off Salary Range : The base salary range for this role is between $116,250 - $155,000 in the State of New York, the State of California and the State of Washington. This range is not inclusive of our discretionary bonus or equity package. When determining a candidate’s compensation, we consider a number of factors including skillset, experience, job scope, and current market data. In the United States, we offer a hybrid work approach at our hub offices, balancing the benefits of in-person collaboration with the flexibility of remote work. Expectations may vary by location and role, so candidates are encouraged to connect with their recruiter to learn more about the specific policy for the role. Employees who do not live near one of our hubs are part of our remote workforce. All employees, however, are required to onboard in-person at one of our office locations. At Gemini, we strive to build diverse teams that reflect the people we want to empower through our products, and we are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Equal Opportunity is the Law, and Gemini is proud to be an equal opportunity workplace. If you have a specific need that requires accommodation, please let a member of the People Team know. #LI-MW1

About the Company Gemini is a global crypto and Web3 platform founded by Cameron and Tyler Winklevoss in 2014, offering a wide range of simple, reliable, and secure crypto products and services to individuals and institutions in over 70 countries. Our mission is to unlock the next era of financial, creative, and personal freedom by providing trusted access to the decentralized future. We envision a world where crypto reshapes the global financial system, internet, and money to create greater choice, independence, and opportunity for all — bridging traditional finance with the emerging cryptoeconomy in a way that is more open, fair, and secure. As a publicly traded company, Gemini is poised to accelerate this vision with greater scale, reach, and impact. The Department: Data At Gemini, our Data Team is the engine that powers insight, innovation, and trust across the company. We bring together world-class data engineers, platform engineers, machine learning engineers, analytics engineers, and data scientists — all working in harmony to transform raw information into secure, reliable, and actionable intelligence. From building scalable pipelines and platforms, to enabling cutting-edge machine learning, to ensuring governance and cost efficiency, we deliver the foundation for smarter decisions and breakthrough products. We thrive at the intersection of crypto, technology, and finance, and we’re united by a shared mission: to unlock the full potential of Gemini’s data to drive growth, efficiency, and customer impact. The Role: Senior Data Engineer The Data team is responsible for designing and operating the data infrastructure that powers insight, reporting, analytics, and machine learning across the business. As a Senior Data Engineer, you will contribute to architectural decisions, mentor junior engineers, and build high-scale systems that have meaningful impact on your team and the teams you partner with. You will own the end-to-end delivery of data products within your domain, and partner closely with product, analytics, ML, finance, operations, and engineering teams to move, transform, and model data reliably, with observability, resilience, and agility. Responsibilities: Design, build, and maintain data infrastructure and pipelines spanning both batch and real-time / streaming workloads, contributing to architectural decisions along the way Build and maintain scalable, efficient, and reliable ETL/ELT pipelines using languages and frameworks such as Python, SQL, Spark, Flink, Beam, or equivalents Work on real-time or near-real-time data solutions (e.g. CDC, streaming, micro-batch) for use cases that require timely data Partner with data scientists, ML engineers, analysts, and product teams to understand data requirements, define SLAs, and deliver coherent data products that others can self-serve Establish data quality, validation, observability, and monitoring frameworks (data auditing, alerting, anomaly detection, data lineage) Investigate and resolve complex production issues: root cause analysis, performance bottlenecks, data integrity, fault tolerance Document data flows, data dictionaries, architecture patterns, and operational runbooks Minimum Qualifications: 5+ years of experience in data engineering (or similar) roles Strong experience in ETL/ELT pipeline design, implementation, and optimization Deep expertise in Python and SQL writing production-quality, maintainable, testable code Experience with large-scale data warehouses (e.g. Databricks, BigQuery, Snowflake) Solid grounding in software engineering fundamentals, data structures, and systems thinking Hands-on experience in data modeling (dimensional modeling, normalization, schema design) Experience building systems with real-time or streaming data (e.g. Kafka, Kinesis, Flink, Spark Streaming), and familiarity with CDC frameworks Experience with orchestration / workflow frameworks (e.g. Airflow) Familiarity with data governance, lineage, metadata, cataloging, and data quality practices Preferred Qualifications: Experience with crypto, financial services, trading, markets, or exchange systems Experience with blockchain, crypto, Web3 data — e.g. blocks, transactions, contract calls, token transfers, UTXO/account models, on-chain indexing, chain APIs, etc. Experience with infrastructure as code, containerization, and CI/CD pipelines Hands-on experience managing and optimizing Databricks on AWS It Pays to Work Here The compensation & benefits package for this role includes: Competitive starting pay A discretionary annual bonus Long-term incentive in the form of a new hire equity grant Comprehensive health plans 401K with company matching Paid Parental Leave Flexible time off Salary Range : The base salary range for this role is between $126,000 - $180,000 in the State of New York. This range is not inclusive of our discretionary bonus or equity package. When determining a candidate’s compensation, we consider a number of factors including skillset, experience, job scope, and current market data. In the United States, we offer a hybrid work approach at our hub offices, balancing the benefits of in-person collaboration with the flexibility of remote work. Expectations may vary by location and role, so candidates are encouraged to connect with their recruiter to learn more about the specific policy for the role. Employees who do not live near one of our hubs are part of our remote workforce. All employees, however, are required to onboard in-person at one of our office locations. At Gemini, we strive to build diverse teams that reflect the people we want to empower through our products, and we are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Equal Opportunity is the Law, and Gemini is proud to be an equal opportunity workplace. If you have a specific need that requires accommodation, please let a member of the People Team know. #LI-GR1

About the Company Gemini is a global crypto and Web3 platform founded by Cameron and Tyler Winklevoss in 2014, offering a wide range of simple, reliable, and secure crypto products and services to individuals and institutions in over 70 countries. Our mission is to unlock the next era of financial, creative, and personal freedom by providing trusted access to the decentralized future. We envision a world where crypto reshapes the global financial system, internet, and money to create greater choice, independence, and opportunity for all — bridging traditional finance with the emerging cryptoeconomy in a way that is more open, fair, and secure. As a publicly traded company, Gemini is poised to accelerate this vision with greater scale, reach, and impact. The Department: Platform Security The Platform Security team secures Gemini's infrastructure through service hardening and by developing and supporting a suite of foundational tools. We provide secure-by-default infrastructure, consumable security services, and expert consultation to engineering teams for secure cloud and non-cloud infrastructure. The Role: Senior Platform Security Engineer The Platform Security team secures Gemini's infrastructure through service hardening and by developing and supporting a suite of foundational tools. As a Senior Platform Security Engineer, you will build and maintain security controls across diverse environments—from hardening cloud and container orchestration systems to enhancing our non-cloud infrastructure. This is a hands-on engineering role where you'll write production code daily, not just configuration. You'll own security initiatives from design through production operations. This role requires strong software development skills, practical experience with AWS and Kubernetes security, and the ability to partner with engineering teams to enable secure delivery. You will also apply expertise in critical neighboring areas, including PKI, core cryptography, identity management, and network security, to ensure comprehensive protection across the stack. Responsibilities: Build and maintain security controls for AWS and Kubernetes (EKS) environments, including guardrails, container security scanning, and infrastructure-as-code (Terraform) security Support IAM initiatives by helping to design and maintain access controls, role-based access control (RBAC) models, and identity governance workflows Design, deploy, and maintain internal security services and platforms that other engineering teams rely on Act as a security partner to engineering teams, helping them make secure architecture decisions without blocking innovation Work across functions—partnering with AppSec, Threat Detection, and GRC—to identify and reduce risk across the entire stack Participate in on-call rotation for platform security incidents Minimum Qualifications: 5+ years of experience in Information Security, SRE, or Systems Engineering Strong software development skills in Python or Go with experience building production services Solid experience with AWS (or similar cloud providers), including familiarity with IAM roles, VPCs, and native security controls Hands-on experience with Kubernetes/EKS and containerization concepts, including pod security policies and container lifecycle Understanding of IAM principles, RBAC, and least-privilege access models Proficiency in Terraform for infrastructure-as-code Ability to self-scope and execute technical goals with minimal supervision Preferred Qualifications: Experience with identity providers (IdP) like Okta and standards like SAML/OIDC Experience writing Policy-as-Code (e.g., Open Policy Agent/Rego) Background in Linux systems engineering or network security Experience building and operating high-availability critical systems It Pays to Work Here The compensation & benefits package for this role includes: Competitive starting pay A discretionary annual bonus Long-term incentive in the form of a new hire equity grant Comprehensive health plans 401K with company matching Paid Parental Leave Flexible time off Salary Range : The base salary range for this role is between $140,000 - $200,000 in the State of New York, the State of California and the State of Washington. This range is not inclusive of our discretionary bonus or equity package. When determining a candidate’s compensation, we consider a number of factors including skillset, experience, job scope, and current market data. In the United States, we offer a hybrid work approach at our hub offices, balancing the benefits of in-person collaboration with the flexibility of remote work. Expectations may vary by location and role, so candidates are encouraged to connect with their recruiter to learn more about the specific policy for the role. Employees who do not live near one of our hubs are part of our remote workforce. All employees, however, are required to onboard in-person at one of our office locations. At Gemini, we strive to build diverse teams that reflect the people we want to empower through our products, and we are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Equal Opportunity is the Law, and Gemini is proud to be an equal opportunity workplace. If you have a specific need that requires accommodation, please let a member of the People Team know. #LI-AA1

About the Company Gemini is a global crypto and Web3 platform founded by Cameron and Tyler Winklevoss in 2014, offering a wide range of simple, reliable, and secure crypto products and services to individuals and institutions in over 70 countries. Our mission is to unlock the next era of financial, creative, and personal freedom by providing trusted access to the decentralized future. We envision a world where crypto reshapes the global financial system, internet, and money to create greater choice, independence, and opportunity for all — bridging traditional finance with the emerging cryptoeconomy in a way that is more open, fair, and secure. As a publicly traded company, Gemini is poised to accelerate this vision with greater scale, reach, and impact. The Department: Platform Security The Platform Security team secures Gemini's infrastructure through service hardening and by developing and supporting a suite of foundational tools. We provide secure-by-default infrastructure, consumable security services, and expert consultation to engineering teams for secure cloud and non-cloud infrastructure. The Role: Senior Platform Security Engineer The Platform Security team secures Gemini's infrastructure through service hardening and by developing and supporting a suite of foundational tools. As a Senior Platform Security Engineer, you will build and maintain security controls across diverse environments—from hardening cloud and container orchestration systems to enhancing our non-cloud infrastructure. This is a hands-on engineering role where you'll write production code daily, not just configuration. You'll own security initiatives from design through production operations. This role requires strong software development skills, practical experience with AWS and Kubernetes security, and the ability to partner with engineering teams to enable secure delivery. You will also apply expertise in critical neighboring areas, including PKI, core cryptography, identity management, and network security, to ensure comprehensive protection across the stack. Responsibilities: Build and maintain security controls for AWS and Kubernetes (EKS) environments, including guardrails, container security scanning, and infrastructure-as-code (Terraform) security Support IAM initiatives by helping to design and maintain access controls, role-based access control (RBAC) models, and identity governance workflows Design, deploy, and maintain internal security services and platforms that other engineering teams rely on Act as a security partner to engineering teams, helping them make secure architecture decisions without blocking innovation Work across functions—partnering with AppSec, Threat Detection, and GRC—to identify and reduce risk across the entire stack Participate in on-call rotation for platform security incidents Minimum Qualifications: 5+ years of experience in Information Security, SRE, or Systems Engineering Strong software development skills in Python or Go with experience building production services Solid experience with AWS (or similar cloud providers), including familiarity with IAM roles, VPCs, and native security controls Hands-on experience with Kubernetes/EKS and containerization concepts, including pod security policies and container lifecycle Understanding of IAM principles, RBAC, and least-privilege access models Proficiency in Terraform for infrastructure-as-code Ability to self-scope and execute technical goals with minimal supervision Preferred Qualifications: Experience with identity providers (IdP) like Okta and standards like SAML/OIDC Experience writing Policy-as-Code (e.g., Open Policy Agent/Rego) Background in Linux systems engineering or network security Experience building and operating high-availability critical systems It Pays to Work Here The compensation & benefits package for this role includes: Competitive starting pay A discretionary annual bonus Long-term incentive in the form of a new hire equity grant Comprehensive health plans 401K with company matching Paid Parental Leave Flexible time off Salary Range : The base salary range for this role is between $140,000 - $200,000 in the State of New York, the State of California and the State of Washington. This range is not inclusive of our discretionary bonus or equity package. When determining a candidate’s compensation, we consider a number of factors including skillset, experience, job scope, and current market data. In the United States, we offer a hybrid work approach at our hub offices, balancing the benefits of in-person collaboration with the flexibility of remote work. Expectations may vary by location and role, so candidates are encouraged to connect with their recruiter to learn more about the specific policy for the role. Employees who do not live near one of our hubs are part of our remote workforce. All employees, however, are required to onboard in-person at one of our office locations. At Gemini, we strive to build diverse teams that reflect the people we want to empower through our products, and we are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Equal Opportunity is the Law, and Gemini is proud to be an equal opportunity workplace. If you have a specific need that requires accommodation, please let a member of the People Team know. #LI-AA1

About the Company Gemini is a global crypto and Web3 platform founded by Cameron and Tyler Winklevoss in 2014, offering a wide range of simple, reliable, and secure crypto products and services to individuals and institutions in over 70 countries. Our mission is to unlock the next era of financial, creative, and personal freedom by providing trusted access to the decentralized future. We envision a world where crypto reshapes the global financial system, internet, and money to create greater choice, independence, and opportunity for all — bridging traditional finance with the emerging cryptoeconomy in a way that is more open, fair, and secure. As a publicly traded company, Gemini is poised to accelerate this vision with greater scale, reach, and impact. The Department: Invest / Trade The Role: Senior Software Engineer (Full Stack, React) We are looking for a Senior Full-Stack Engineer to build and own products across web, mobile, and backend systems. Your primary focus will be developing complex web applications using React and TypeScript. You will also contribute to React Native mobile applications and backend services built with Scala and Go on AWS. Responsibilities: Design and deliver scalable web applications using React and TypeScript. Own features from technical design through release, monitoring, and improvement. Define frontend architecture and build reusable components. Contribute to React Native applications for iOS and Android. Develop and integrate backend services using Scala or Go. Make pragmatic technical decisions and communicate trade-offs. Improve performance, accessibility, reliability, testing, and security. Collaborate with product managers, designers, and engineers. Review code, mentor engineers, and improve engineering standards. Use AI development tools effectively while remaining accountable for code quality. Minimum Qualifications: Strong experience with React, TypeScript, JavaScript, HTML, and CSS. Experience building large-scale, production-grade web applications. Strong knowledge of frontend architecture, performance, testing, and accessibility. Solid software engineering and system-design fundamentals. Experience integrating web applications with APIs and distributed systems. Ability and willingness to contribute to React Native and backend development. Proven ownership of complex projects from design to production. Strong communication, technical leadership, and mentoring skills. Preferred Qualifications: React Native or native mobile development. Backend development with Scala, Go, Java, or Kotlin. AWS, Docker, Kubernetes, Terraform, and CI/CD. REST APIs, event-driven architecture, Kafka, and distributed systems. AI coding agents and AI-assisted development workflows. Financial services, trading, payments, or regulated systems. It Pays to Work Here We take a holistic approach to compensation at Gemini, which includes: Comprehensive health plans covered at 100% for employees and dependents Long-term incentive in the form of a new hire equity grant Paid Parental Leave Competitive paid time off In Singapore, we have a hybrid work policy. Employees are expected to work from the office part of the week. We believe our hybrid approach increases productivity through more in-person collaboration where possible. All employees are required to onboard in-person at our office. At Gemini, we strive to build diverse teams that reflect the people we want to empower through our products, and we are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Equal Opportunity is the Law, and Gemini is proud to be an equal opportunity workplace. If you have a specific need that requires accommodation, please let a member of the People Team know. #LI-AA1

About the Company Gemini is a global crypto and Web3 platform founded by Cameron and Tyler Winklevoss in 2014, offering a wide range of simple, reliable, and secure crypto products and services to individuals and institutions in over 70 countries. Our mission is to unlock the next era of financial, creative, and personal freedom by providing trusted access to the decentralized future. We envision a world where crypto reshapes the global financial system, internet, and money to create greater choice, independence, and opportunity for all — bridging traditional finance with the emerging cryptoeconomy in a way that is more open, fair, and secure. As a publicly traded company, Gemini is poised to accelerate this vision with greater scale, reach, and impact. The Department: Money The Money Team owns the financial infrastructure that underpins every dollar and crypto asset that moves through Gemini. We build and operate the ledger platform — the system of record for all crypto and fiat balances, settlements, fees, rewards, and administrative adjustments — as well as the payments services and reconciliation pipelines that connect Gemini to banks, payment rails, and external partners. Our systems are relied upon by finance, compliance, treasury, and regulatory reporting. Correctness is non-negotiable. If something is ambiguous, we clarify it. If something is manual, we automate it. If something is unsafe, we fix it. The Role: Senior Software Engineer We're looking for a Senior Software Engineer to join a team of ledger and financial infrastructure engineers designing, building, and operating core money-movement systems at scale. You'll work on services that must handle high transaction volumes, evolve safely as new products and partners are introduced, and remain easy to operate and audit. Responsibilities: Design, develop, deploy, and support ledger and payments services that accurately record all crypto and fiat money movement across the platform. Build and evolve bank settlement and reconciliation pipelines that connect Gemini to external payment rails and banking partners. Apply sound engineering principles to identify correctness, consistency, and operational risks — and implement safeguards in software before they become incidents. Partner with finance, reconciliation, and treasury teams to understand real-world workflows and translate them into robust, auditable system behavior. Design scalable APIs and data models that support new transaction types, products, and regulatory requirements without increasing operational burden. Write well-tested, production-grade code that other critical systems depend on. Monitor and communicate the health of ledger and payment systems, proactively identify issues, and participate in incident response and remediation. Mentor teammates to ensure new functionality is correct, auditable, and production-ready. Participate in on-call rotations as needed. Minimum Qualifications: 5+ years of experience building backend systems in a production environment. Strong experience designing and operating distributed, stateful systems where data integrity is critical. Proficiency in at least one backend language — we primarily use Scala and Go, but are open to candidates willing to learn. Experience with unit testing, integration testing, and CI/CD pipelines. Familiarity with cloud-based infrastructure (AWS, GCP, or Azure). Ability to reason about and debug complex system behavior across services and data stores. Strong communication skills and the ability to work effectively with cross-functional partners. Preferred Qualifications: Experience working on ledger systems, accounting platforms, payments infrastructure, or financial transaction processing. Familiarity with double-entry bookkeeping, reconciliation processes, audit requirements, or regulatory reporting. Experience integrating with external payment rails or banking partners (ACH, wire, card networks). Familiarity with workflow orchestration systems (e.g. Temporal, Cadence) for durable, retryable financial processes. Background in fintech or financial services. It Pays to Work Here The compensation & benefits package for this role includes: Competitive starting pay A discretionary annual bonus Long-term incentive in the form of a new hire equity grant Comprehensive health plans 401K with company matching Paid Parental Leave Flexible time off Salary Range : The base salary range for this role is between $140,000 - $200,000 in the State of New York. This range is not inclusive of our discretionary bonus or equity package. When determining a candidate’s compensation, we consider a number of factors including skillset, experience, job scope, and current market data. In the United States, we offer a hybrid work approach at our hub offices, balancing the benefits of in-person collaboration with the flexibility of remote work. Expectations may vary by location and role, so candidates are encouraged to connect with their recruiter to learn more about the specific policy for the role. Employees who do not live near one of our hubs are part of our remote workforce. All employees, however, are required to onboard in-person at one of our office locations. At Gemini, we strive to build diverse teams that reflect the people we want to empower through our products, and we are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Equal Opportunity is the Law, and Gemini is proud to be an equal opportunity workplace. If you have a specific need that requires accommodation, please let a member of the People Team know. #LI-AA1

About the Company Gemini is a global crypto and Web3 platform founded by Cameron and Tyler Winklevoss in 2014, offering a wide range of simple, reliable, and secure crypto products and services to individuals and institutions in over 70 countries. Our mission is to unlock the next era of financial, creative, and personal freedom by providing trusted access to the decentralized future. We envision a world where crypto reshapes the global financial system, internet, and money to create greater choice, independence, and opportunity for all — bridging traditional finance with the emerging cryptoeconomy in a way that is more open, fair, and secure. As a publicly traded company, Gemini is poised to accelerate this vision with greater scale, reach, and impact. The Department: Platform Security The Platform Security team secures Gemini's infrastructure through service hardening and by developing and supporting a suite of foundational tools. We provide secure-by-default infrastructure, consumable security services, and expert consultation to engineering teams for secure cloud and non-cloud infrastructure. The Role: Senior Platform Security Engineer The Platform Security team secures Gemini's infrastructure through service hardening and by developing and supporting a suite of foundational tools. As a Senior Platform Security Engineer, you will build and maintain security controls across diverse environments—from hardening cloud and container orchestration systems to enhancing our non-cloud infrastructure. This is a hands-on engineering role where you'll write production code daily, not just configuration. You'll own security initiatives from design through production operations. This role requires strong software development skills, practical experience with AWS and Kubernetes security, and the ability to partner with engineering teams to enable secure delivery. You will also apply expertise in critical neighboring areas, including PKI, core cryptography, identity management, and network security, to ensure comprehensive protection across the stack. Responsibilities: Build and maintain security controls for AWS and Kubernetes (EKS) environments, including guardrails, container security scanning, and infrastructure-as-code (Terraform) security Support IAM initiatives by helping to design and maintain access controls, role-based access control (RBAC) models, and identity governance workflows Design, deploy, and maintain internal security services and platforms that other engineering teams rely on Act as a security partner to engineering teams, helping them make secure architecture decisions without blocking innovation Work across functions—partnering with AppSec, Threat Detection, and GRC—to identify and reduce risk across the entire stack Participate in on-call rotation for platform security incidents Minimum Qualifications: 5+ years of experience in Information Security, SRE, or Systems Engineering Strong software development skills in Python or Go with experience building production services Solid experience with AWS (or similar cloud providers), including familiarity with IAM roles, VPCs, and native security controls Hands-on experience with Kubernetes/EKS and containerization concepts, including pod security policies and container lifecycle Understanding of IAM principles, RBAC, and least-privilege access models Proficiency in Terraform for infrastructure-as-code Ability to self-scope and execute technical goals with minimal supervision Preferred Qualifications: Experience with identity providers (IdP) like Okta and standards like SAML/OIDC Experience writing Policy-as-Code (e.g., Open Policy Agent/Rego) Background in Linux systems engineering or network security Experience building and operating high-availability critical systems It Pays to Work Here The compensation & benefits package for this role includes: Competitive starting pay A discretionary annual bonus Long-term incentive in the form of a new hire equity grant Comprehensive health plans 401K with company matching Paid Parental Leave Flexible time off Salary Range : The base salary range for this role is between $140,000 - $200,000 in the State of New York, the State of California and the State of Washington. This range is not inclusive of our discretionary bonus or equity package. When determining a candidate’s compensation, we consider a number of factors including skillset, experience, job scope, and current market data. In the United States, we offer a hybrid work approach at our hub offices, balancing the benefits of in-person collaboration with the flexibility of remote work. Expectations may vary by location and role, so candidates are encouraged to connect with their recruiter to learn more about the specific policy for the role. Employees who do not live near one of our hubs are part of our remote workforce. All employees, however, are required to onboard in-person at one of our office locations. At Gemini, we strive to build diverse teams that reflect the people we want to empower through our products, and we are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Equal Opportunity is the Law, and Gemini is proud to be an equal opportunity workplace. If you have a specific need that requires accommodation, please let a member of the People Team know. #LI-AA1

About the Company Gemini is a global crypto and Web3 platform founded by Cameron and Tyler Winklevoss in 2014, offering a wide range of simple, reliable, and secure crypto products and services to individuals and institutions in over 70 countries. Our mission is to unlock the next era of financial, creative, and personal freedom by providing trusted access to the decentralized future. We envision a world where crypto reshapes the global financial system, internet, and money to create greater choice, independence, and opportunity for all — bridging traditional finance with the emerging cryptoeconomy in a way that is more open, fair, and secure. As a publicly traded company, Gemini is poised to accelerate this vision with greater scale, reach, and impact. The Department: Fraud Operations The Fraud Operations team is committed to protecting our users by stopping bad actors, safeguarding funds, and upholding the integrity of Gemini’s digital asset marketplace - all while operating at scale to deliver a seamless experience for our users. Our diverse team brings expertise across technology, legal, risk, data, and operations, leveraging advanced tools and analytics to protect users and disrupt fraud. We collaborate closely with product, engineering, operations, and compliance teams to manage risk effectively and support sustainable business growth. The Role: Senior Fraud Data Scientist (Credit Card) As a Senior Fraud Data Scientist, you will play a critical role in protecting Gemini and our customers from emerging fraud risks. You’ll lead initiatives to strengthen our fraud prevention strategies, design and implement effective rules and controls, and proactively mitigate risk before it impacts our platform. Your work will range from evaluating fraud exposure to driving cross-functional projects that enhance detection capabilities and safeguard customer trust. You are strategic, detail-oriented, and collaborative, with the ability to navigate complex risk landscapes while balancing prevention with a seamless customer experience. You thrive in fast-paced environments, excel at working independently, and bring deep subject matter expertise in fraud trends and mitigation techniques. This role requires strong experience with fraud detection systems, risk management methodologies, and regulatory frameworks. You’ll partner closely with teams across product, engineering, operations, and compliance to deliver impactful improvements to risk controls. Strong analytical and technical skills are essential, including expert level proficiency in SQL (and other data tools), along with the ability to design, manage, and measure the effectiveness of fraud prevention rules. This role requires on-call rotations. Responsibilities: Program Development: Design and lead the development of end-to-end fraud prevention and detection strategies, including procedures, fraud rules, and controls. Risk Analysis: Conduct sophisticated data analysis on large datasets (structured and unstructured) to identify emerging fraud trends, patterns, and potential risks. Monitoring & Optimization: Continuously monitor fraud prevention system performance, measure key risk metrics, and implement data-driven enhancements to improve accuracy and reduce false positives. Cross-Functional Collaboration: Partner with data science, risk operations, product, engineering, and customer support teams to integrate fraud prevention into products and services. Project Management: Oversee initiatives aimed at advancing fraud detection systems and optimizing operational processes. Reporting & Communication: Develop and deliver clear, actionable reports and insights for leadership and stakeholders, highlighting fraud risk exposure and the effectiveness of strategies and controls. Minimum Qualifications: 5+ years in fraud strategy, program management, or related risk management roles. Advanced analytical skills with proficiency in SQL, Python, Looker, and other data analysis and visualization tools. Hands-on experience with fraud detection and monitoring platforms, with the ability to analyze data and identify emerging fraud patterns. Strong verbal, written, and interpersonal skills with the ability to convey complex ideas clearly to both technical and non-technical audiences. Track record of working effectively across cross-functional teams (e.g., product, engineering, operations, compliance) to achieve shared goals. Comfortable making sound decisions in ambiguous or rapidly changing environments; skilled at using data to drive informed choices. Demonstrated ability to lead and execute projects spanning multiple teams, balancing priorities and driving results. Strong critical-thinking skills with the ability to stay composed under pressure and resolve complex issues. Hands-on experience with fraud transaction monitoring for credit card or debit card. Preferred Qualifications: Strong expertise in detecting and mitigating fraud risk, including account takeover, synthetic identity, distributed attacks, payment fraud, and collusion. Proven experience addressing and preventing fraud in digital channels and card-not-present environments. In depth knowledge of ACH risks, including reversal flows and related vulnerabilities. Background working in fast paced, high growth environments, ideally within fintech or other technology driven industries. Comprehensive understanding of scam, phishing, and social engineering threats with experience implementing effective mitigation strategies. Knowledge of dispute representment requirements and industry best practices. Proven ability to thrive in fast paced, technology driven environments and adapt quickly to change. Familiarity with financial markets, banking, or digital asset exchanges. It Pays to Work Here The compensation & benefits package for this role includes: Competitive starting pay A discretionary annual bonus Long-term incentive in the form of a new hire equity grant Comprehensive health plans 401K with company matching Paid Parental Leave Flexible time off Salary Range : The base salary range for this role is between $116,250 - $155,000 in the State of New York, the State of California and the State of Washington. This range is not inclusive of our discretionary bonus or equity package. When determining a candidate’s compensation, we consider a number of factors including skillset, experience, job scope, and current market data. In the United States, we offer a hybrid work approach at our hub offices, balancing the benefits of in-person collaboration with the flexibility of remote work. Expectations may vary by location and role, so candidates are encouraged to connect with their recruiter to learn more about the specific policy for the role. Employees who do not live near one of our hubs are part of our remote workforce. All employees, however, are required to onboard in-person at one of our office locations. At Gemini, we strive to build diverse teams that reflect the people we want to empower through our products, and we are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Equal Opportunity is the Law, and Gemini is proud to be an equal opportunity workplace. If you have a specific need that requires accommodation, please let a member of the People Team know. #LI-MW1