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SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking a skilled and innovative Application Security Engineer to join 𝕏 Money. In this role, you will protect the security and integrity of our payments and financial products throughout the software development lifecycle, with a particular focus on code security, CI/CD pipelines, and systems that move and hold customer funds. Experience securing fintech, payments, digital wallet, ledger, or similar high-value platforms, where fraud, abuse, and unauthorized transfers are a constant concern, is strongly preferred. RESPONSIBILITIES: Conduct in-depth code reviews and static analysis to identify and mitigate security vulnerabilities in financial applications Design and implement secure coding guidelines and best practices for development teams Collaborate closely with development teams to integrate security practices throughout the CI/CD pipeline Perform threat modeling and risk assessments for payments, wallets, ledgers, and related product surfaces, and develop mitigation strategies for fraud, abuse, and unauthorized movement of funds or credits Manage vulnerability tracking and remediation efforts, providing guidance to development teams Manage the bug bounty program, including intake, triage, researcher communication, and coordinated disclosure Support incident response activities related to application security Stay current on emerging threats against financial and cloud-native systems, and continuously strengthen our controls Evaluate and secure software supply chains, including producing and maintaining Software Bills of Materials (SBOMs) Design and implement agentic and LLM-based solutions that help detect, investigate, or prevent security problems BASIC QUALIFICATIONS: Bachelor's degree in Computer Science, Cybersecurity, or a related field 3-5 years of experience in application security, with a strong focus on code security practices Experience in payments, money transmission, digital wallets, or related financial platforms Deep understanding of secure coding practices, application security frameworks, and common vulnerabilities (e.g., OWASP Top 10) Proficiency in Python or Rust and experience with secure coding practices in these languages Experience securing CI/CD pipelines and implementing DevSecOps practices Familiarity with software supply chain security and SBOM generation tools Experience with security testing tools (e.g., Burp Suite, OWASP ZAP) and static/dynamic code analysis Experience securing payments, wallets, ledgers, or other high-value transaction systems, including controls against fraud, abuse, and integrity issues Experience designing and implementing agentic and LLM-based solutions for security problems Excellent communication skills, able to explain complex security issues to both technical and non-technical audiences PREFERRED SKILLS AND EXPERIENCE: Hands-on experience securing applications on AWS; familiarity with other cloud platforms is a plus Relevant security certifications (e.g., BSCP, OSCP, OSWE) Experience managing bug bounty programs Background in data privacy and compliance relevant to financial products and cloud-native applications Experience with GitOps and infrastructure-as-code security Experience building custom security tooling to enhance and automate security processes Contributions to open-source security projects or tools COMPENSATION AND BENEFITS: $100,000 - $258,000 USD Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here . SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice .

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking a skilled and innovative Application Security Engineer to join 𝕏 Money. In this role, you will protect the security and integrity of our payments and financial products throughout the software development lifecycle, with a particular focus on code security, CI/CD pipelines, and systems that move and hold customer funds. Experience securing fintech, payments, digital wallet, ledger, or similar high-value platforms, where fraud, abuse, and unauthorized transfers are a constant concern, is strongly preferred. RESPONSIBILITIES: Conduct in-depth code reviews and static analysis to identify and mitigate security vulnerabilities in financial applications Design and implement secure coding guidelines and best practices for development teams Collaborate closely with development teams to integrate security practices throughout the CI/CD pipeline Perform threat modeling and risk assessments for payments, wallets, ledgers, and related product surfaces, and develop mitigation strategies for fraud, abuse, and unauthorized movement of funds or credits Manage vulnerability tracking and remediation efforts, providing guidance to development teams Manage the bug bounty program, including intake, triage, researcher communication, and coordinated disclosure Support incident response activities related to application security Stay current on emerging threats against financial and cloud-native systems, and continuously strengthen our controls Evaluate and secure software supply chains, including producing and maintaining Software Bills of Materials (SBOMs) Design and implement agentic and LLM-based solutions that help detect, investigate, or prevent security problems BASIC QUALIFICATIONS: Bachelor's degree in Computer Science, Cybersecurity, or a related field 3-5 years of experience in application security, with a strong focus on code security practices Experience in payments, money transmission, digital wallets, or related financial platforms Deep understanding of secure coding practices, application security frameworks, and common vulnerabilities (e.g., OWASP Top 10) Proficiency in Python or Rust and experience with secure coding practices in these languages Experience securing CI/CD pipelines and implementing DevSecOps practices Familiarity with software supply chain security and SBOM generation tools Experience with security testing tools (e.g., Burp Suite, OWASP ZAP) and static/dynamic code analysis Experience securing payments, wallets, ledgers, or other high-value transaction systems, including controls against fraud, abuse, and integrity issues Experience designing and implementing agentic and LLM-based solutions for security problems Excellent communication skills, able to explain complex security issues to both technical and non-technical audiences PREFERRED SKILLS AND EXPERIENCE: Hands-on experience securing applications on AWS; familiarity with other cloud platforms is a plus Relevant security certifications (e.g., BSCP, OSCP, OSWE) Experience managing bug bounty programs Background in data privacy and compliance relevant to financial products and cloud-native applications Experience with GitOps and infrastructure-as-code security Experience building custom security tooling to enhance and automate security processes Contributions to open-source security projects or tools COMPENSATION AND BENEFITS: $100,000 - $258,000 USD Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. Learn more about the ITAR here . SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice .

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking a talented and motivated Infrastructure Security Engineer to join our security team. In this role, you will design, implement, and maintain secure cloud and hybrid infrastructure, and ensure the integrity of our cloud-native applications. This role focuses on securing critical infrastructure across multi-cloud and hybrid environments, with work that may span platforms such as SpaceXAI, X Social, X Money and related systems. You’ll operate with an automation-first mindset: building secure foundations, hardening platforms at scale, and partnering closely with engineering teams so security is embedded in how we build and run systems—not bolted on after the fact. RESPONSIBILITIES: Cloud & infrastructure security Design and implement secure cloud architectures across multiple cloud platforms (e.g., AWS, GCP, Azure) Build and secure mission-critical applications in hybrid cloud and on-premises environments Develop and maintain Infrastructure as Code (IaC) templates with embedded security controls Assist with regular security assessments and audits of cloud infrastructure and services Implement and manage cloud security tools and services (e.g., CSPM, CWPP, CASB) Manage identities and roles effectively across cloud and hybrid environments Monitor and remediate infrastructure to comply with regulations and best practices (e.g., PCI, NIST CSF, GDPR, HIPAA) Platform, containers & developer enablement Design and implement secure container standards and automation that enable frictionless developer workflows Maintain Kubernetes security aligned with current best practices Collaborate with development teams to ensure security best practices are integrated into CI/CD pipelines Secure and enhance CI/CD pipelines; integrate and maintain code scanning platforms Detection, operations & tooling Monitor and respond to security events and incidents in cloud and hybrid environments Maintain SIEM data pipelines needed for reliable alerting Build, deploy, and maintain security operations infrastructure using Python, Terraform, and configuration management (e.g., Puppet) Develop dashboards and alerts from security metrics Develop and maintain cloud security policies, standards, and procedures Own security projects end to end: identify issues and implement solutions Stay current with emerging cloud security threats and mitigation strategies BASIC QUALIFICATIONS: Bachelor's degree in Computer Science, Cybersecurity, or a related field 3–5 years of experience in cloud security, infrastructure security, or related roles Strong understanding of cloud security principles, compliance frameworks, and best practices Proficiency in at least one cloud platform (AWS, GCP, or Azure) and associated security services Proven experience securing hybrid AWS/on-premises (or multi-cloud) environments, including IAM and overall security posture Experience with Infrastructure as Code tools (e.g., Terraform, CloudFormation) Familiarity with containerization technologies and their security implications Knowledge of network security concepts and protocols Experience with scripting languages (e.g., Python, Bash) for automation and tool development Proactive mindset with strong ownership, critical thinking, and problem-solving skills Located in the SF Bay Area or willing to relocate PREFERRED SKILLS AND EXPERIENCE: Relevant security certifications (e.g., CCSP, CSSK, AWS Security Specialty) Deep expertise in Kubernetes and container security Experience with multi-cloud environments and cloud-to-cloud security Knowledge of CI/CD best practices and tools Familiarity with regulatory compliance requirements (e.g., GDPR, HIPAA, PCI DSS, NIST CSF) Strong proficiency with Python, Terraform, and configuration management (e.g., Puppet) Hands-on experience building GitHub Actions and workflows Experience with observability and security operations tooling (e.g., Prometheus, Grafana, CloudWatch, Karma; SIEM platforms such as Wazuh) Experience in building custom cloud security tools or integrations Interest in leveraging AI for cloud security monitoring and automation Contributions to open-source cloud security projects Experience with securing AI/ML workloads in cloud environments Experience in banking, money transmission, P2P payments, or similarly regulated financial platforms COMPENSATION AND BENEFITS: $100,000 - $258,000 USD Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice .

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking a talented and motivated Infrastructure Security Engineer to join our security team. In this role, you will design, implement, and maintain secure cloud and hybrid infrastructure, and ensure the integrity of our cloud-native applications. This role focuses on securing critical infrastructure across multi-cloud and hybrid environments, with work that may span platforms such as SpaceXAI, X Social, X Money and related systems. You’ll operate with an automation-first mindset: building secure foundations, hardening platforms at scale, and partnering closely with engineering teams so security is embedded in how we build and run systems—not bolted on after the fact. RESPONSIBILITIES: Cloud & infrastructure security Design and implement secure cloud architectures across multiple cloud platforms (e.g., AWS, GCP, Azure) Build and secure mission-critical applications in hybrid cloud and on-premises environments Develop and maintain Infrastructure as Code (IaC) templates with embedded security controls Assist with regular security assessments and audits of cloud infrastructure and services Implement and manage cloud security tools and services (e.g., CSPM, CWPP, CASB) Manage identities and roles effectively across cloud and hybrid environments Monitor and remediate infrastructure to comply with regulations and best practices (e.g., PCI, NIST CSF, GDPR, HIPAA) Platform, containers & developer enablement Design and implement secure container standards and automation that enable frictionless developer workflows Maintain Kubernetes security aligned with current best practices Collaborate with development teams to ensure security best practices are integrated into CI/CD pipelines Secure and enhance CI/CD pipelines; integrate and maintain code scanning platforms Detection, operations & tooling Monitor and respond to security events and incidents in cloud and hybrid environments Maintain SIEM data pipelines needed for reliable alerting Build, deploy, and maintain security operations infrastructure using Python, Terraform, and configuration management (e.g., Puppet) Develop dashboards and alerts from security metrics Develop and maintain cloud security policies, standards, and procedures Own security projects end to end: identify issues and implement solutions Stay current with emerging cloud security threats and mitigation strategies BASIC QUALIFICATIONS: Bachelor's degree in Computer Science, Cybersecurity, or a related field 3–5 years of experience in cloud security, infrastructure security, or related roles Strong understanding of cloud security principles, compliance frameworks, and best practices Proficiency in at least one cloud platform (AWS, GCP, or Azure) and associated security services Proven experience securing hybrid AWS/on-premises (or multi-cloud) environments, including IAM and overall security posture Experience with Infrastructure as Code tools (e.g., Terraform, CloudFormation) Familiarity with containerization technologies and their security implications Knowledge of network security concepts and protocols Experience with scripting languages (e.g., Python, Bash) for automation and tool development Proactive mindset with strong ownership, critical thinking, and problem-solving skills Located in the SF Bay Area or willing to relocate PREFERRED SKILLS AND EXPERIENCE: Relevant security certifications (e.g., CCSP, CSSK, AWS Security Specialty) Deep expertise in Kubernetes and container security Experience with multi-cloud environments and cloud-to-cloud security Knowledge of CI/CD best practices and tools Familiarity with regulatory compliance requirements (e.g., GDPR, HIPAA, PCI DSS, NIST CSF) Strong proficiency with Python, Terraform, and configuration management (e.g., Puppet) Hands-on experience building GitHub Actions and workflows Experience with observability and security operations tooling (e.g., Prometheus, Grafana, CloudWatch, Karma; SIEM platforms such as Wazuh) Experience in building custom cloud security tools or integrations Interest in leveraging AI for cloud security monitoring and automation Contributions to open-source cloud security projects Experience with securing AI/ML workloads in cloud environments Experience in banking, money transmission, P2P payments, or similarly regulated financial platforms COMPENSATION AND BENEFITS: $100,000 - $258,000 USD Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice .

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking a talented and motivated Infrastructure Security Engineer to join our security team. In this role, you will design, implement, and maintain secure cloud and hybrid infrastructure, and ensure the integrity of our cloud-native applications. This role focuses on securing critical infrastructure across multi-cloud and hybrid environments, with work that may span platforms such as SpaceXAI, X Social, X Money and related systems. You’ll operate with an automation-first mindset: building secure foundations, hardening platforms at scale, and partnering closely with engineering teams so security is embedded in how we build and run systems—not bolted on after the fact. RESPONSIBILITIES: Cloud & infrastructure security Design and implement secure cloud architectures across multiple cloud platforms (e.g., AWS, GCP, Azure) Build and secure mission-critical applications in hybrid cloud and on-premises environments Develop and maintain Infrastructure as Code (IaC) templates with embedded security controls Assist with regular security assessments and audits of cloud infrastructure and services Implement and manage cloud security tools and services (e.g., CSPM, CWPP, CASB) Manage identities and roles effectively across cloud and hybrid environments Monitor and remediate infrastructure to comply with regulations and best practices (e.g., PCI, NIST CSF, GDPR, HIPAA) Platform, containers & developer enablement Design and implement secure container standards and automation that enable frictionless developer workflows Maintain Kubernetes security aligned with current best practices Collaborate with development teams to ensure security best practices are integrated into CI/CD pipelines Secure and enhance CI/CD pipelines; integrate and maintain code scanning platforms Detection, operations & tooling Monitor and respond to security events and incidents in cloud and hybrid environments Maintain SIEM data pipelines needed for reliable alerting Build, deploy, and maintain security operations infrastructure using Python, Terraform, and configuration management (e.g., Puppet) Develop dashboards and alerts from security metrics Develop and maintain cloud security policies, standards, and procedures Own security projects end to end: identify issues and implement solutions Stay current with emerging cloud security threats and mitigation strategies BASIC QUALIFICATIONS: Bachelor's degree in Computer Science, Cybersecurity, or a related field 3–5 years of experience in cloud security, infrastructure security, or related roles Strong understanding of cloud security principles, compliance frameworks, and best practices Proficiency in at least one cloud platform (AWS, GCP, or Azure) and associated security services Proven experience securing hybrid AWS/on-premises (or multi-cloud) environments, including IAM and overall security posture Experience with Infrastructure as Code tools (e.g., Terraform, CloudFormation) Familiarity with containerization technologies and their security implications Knowledge of network security concepts and protocols Experience with scripting languages (e.g., Python, Bash) for automation and tool development Proactive mindset with strong ownership, critical thinking, and problem-solving skills Located in the SF Bay Area or willing to relocate PREFERRED SKILLS AND EXPERIENCE: Relevant security certifications (e.g., CCSP, CSSK, AWS Security Specialty) Deep expertise in Kubernetes and container security Experience with multi-cloud environments and cloud-to-cloud security Knowledge of CI/CD best practices and tools Familiarity with regulatory compliance requirements (e.g., GDPR, HIPAA, PCI DSS, NIST CSF) Strong proficiency with Python, Terraform, and configuration management (e.g., Puppet) Hands-on experience building GitHub Actions and workflows Experience with observability and security operations tooling (e.g., Prometheus, Grafana, CloudWatch, Karma; SIEM platforms such as Wazuh) Experience in building custom cloud security tools or integrations Interest in leveraging AI for cloud security monitoring and automation Contributions to open-source cloud security projects Experience with securing AI/ML workloads in cloud environments Experience in banking, money transmission, P2P payments, or similarly regulated financial platforms COMPENSATION AND BENEFITS: $100,000 - $258,000 USD Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice .

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking a talented and motivated Infrastructure Security Engineer to join our security team. In this role, you will design, implement, and maintain secure cloud and hybrid infrastructure, and ensure the integrity of our cloud-native applications. This role focuses on securing critical infrastructure across multi-cloud and hybrid environments, with work that may span platforms such as SpaceXAI, X Social, X Money and related systems. You’ll operate with an automation-first mindset: building secure foundations, hardening platforms at scale, and partnering closely with engineering teams so security is embedded in how we build and run systems—not bolted on after the fact. RESPONSIBILITIES: Cloud & infrastructure security Design and implement secure cloud architectures across multiple cloud platforms (e.g., AWS, GCP, Azure) Build and secure mission-critical applications in hybrid cloud and on-premises environments Develop and maintain Infrastructure as Code (IaC) templates with embedded security controls Assist with regular security assessments and audits of cloud infrastructure and services Implement and manage cloud security tools and services (e.g., CSPM, CWPP, CASB) Manage identities and roles effectively across cloud and hybrid environments Monitor and remediate infrastructure to comply with regulations and best practices (e.g., PCI, NIST CSF, GDPR, HIPAA) Platform, containers & developer enablement Design and implement secure container standards and automation that enable frictionless developer workflows Maintain Kubernetes security aligned with current best practices Collaborate with development teams to ensure security best practices are integrated into CI/CD pipelines Secure and enhance CI/CD pipelines; integrate and maintain code scanning platforms Detection, operations & tooling Monitor and respond to security events and incidents in cloud and hybrid environments Maintain SIEM data pipelines needed for reliable alerting Build, deploy, and maintain security operations infrastructure using Python, Terraform, and configuration management (e.g., Puppet) Develop dashboards and alerts from security metrics Develop and maintain cloud security policies, standards, and procedures Own security projects end to end: identify issues and implement solutions Stay current with emerging cloud security threats and mitigation strategies BASIC QUALIFICATIONS: Bachelor's degree in Computer Science, Cybersecurity, or a related field 3–5 years of experience in cloud security, infrastructure security, or related roles Strong understanding of cloud security principles, compliance frameworks, and best practices Proficiency in at least one cloud platform (AWS, GCP, or Azure) and associated security services Proven experience securing hybrid AWS/on-premises (or multi-cloud) environments, including IAM and overall security posture Experience with Infrastructure as Code tools (e.g., Terraform, CloudFormation) Familiarity with containerization technologies and their security implications Knowledge of network security concepts and protocols Experience with scripting languages (e.g., Python, Bash) for automation and tool development Proactive mindset with strong ownership, critical thinking, and problem-solving skills Located in the SF Bay Area or willing to relocate PREFERRED SKILLS AND EXPERIENCE: Relevant security certifications (e.g., CCSP, CSSK, AWS Security Specialty) Deep expertise in Kubernetes and container security Experience with multi-cloud environments and cloud-to-cloud security Knowledge of CI/CD best practices and tools Familiarity with regulatory compliance requirements (e.g., GDPR, HIPAA, PCI DSS, NIST CSF) Strong proficiency with Python, Terraform, and configuration management (e.g., Puppet) Hands-on experience building GitHub Actions and workflows Experience with observability and security operations tooling (e.g., Prometheus, Grafana, CloudWatch, Karma; SIEM platforms such as Wazuh) Experience in building custom cloud security tools or integrations Interest in leveraging AI for cloud security monitoring and automation Contributions to open-source cloud security projects Experience with securing AI/ML workloads in cloud environments Experience in banking, money transmission, P2P payments, or similarly regulated financial platforms COMPENSATION AND BENEFITS: $100,000 - $258,000 USD Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice .

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We're seeking an exceptional Android engineer to join a small, high-impact team dedicated to creating the world's most valuable AI application, judged by the impact it delivers to users. You'll shape cutting-edge mobile experiences, blending technical mastery with a keen product sense to deliver brilliance that resonates with users. You will work on the most critical product or technical challenge at any given time. BASIC QUALIFICATIONS: Proficient in Kotlin, Jetpack Compose and reactive programming. Has a strong product sense and high craft bar. Builds intuitive and delightful user experiences. Experienced in architecting modern large production apps while embodying technical excellence. Strong sense of ownership and agency. Able to put on multiple hats and take responsibility for large areas. Able to optimize for performance, stability and reliability. PREFERRED SKILLS AND EXPERIENCE: A proven track record of shipping standout apps or features that demonstrate both technical excellence and exceptional product intuition. Deep expertise in the Android ecosystem and related development tools (Android Studio, Gradle, etc.). Rust for working with our backend components. COMPENSATION AND BENEFITS: $180,000 - $440,000 USD Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive medical, vision, and dental coverage, short & long-term disability insurance, life insurance, and various other discounts and perks. SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice .

SpaceXAI’s mission is to create AI systems that can accurately understand the universe and aid humanity in its pursuit of knowledge. Our team is small, highly motivated, and focused on engineering excellence. This organization is for individuals who appreciate challenging themselves and thrive on curiosity. We operate with a flat organizational structure. All employees are expected to be hands-on and to contribute directly to the company’s mission. Leadership is given to those who show initiative and consistently deliver excellence. Work ethic and strong prioritization skills are important. All employees are expected to have strong communication skills. They should be able to concisely and accurately share knowledge with their teammates. ABOUT THE ROLE: We are seeking a skilled and innovative Application Security Engineer to join our technology-driven company. In this role, you will be responsible for ensuring the security and integrity of our cloud-native applications and systems throughout the software development lifecycle, with a particular focus on code security, CI/CD pipelines, and emerging AI technologies. RESPONSIBILITIES: Conduct in-depth code reviews and static analysis to identify and mitigate security vulnerabilities in our applications Design and implement secure coding guidelines and best practices for development teams Collaborate closely with development teams to integrate security practices throughout the CI/CD pipeline Perform threat modeling and risk assessments for applications, developing mitigation strategies for potential risks Manage vulnerability tracking and remediation efforts, providing guidance to development teams Support incident response activities related to application security Stay current on emerging security threats and trends in cloud-native technologies and AI, continuously enhancing our security measures Evaluate and secure software supply chains, including producing and maintaining Software Bills of Materials (SBOMs) Address security concerns specific to AI and machine learning models, with a focus on the OWASP LLM Top 10 BASIC QUALIFICATIONS: Bachelor's degree in Computer Science, Cybersecurity, or a related field 3-5 years of experience in application security, with a strong focus on code security practices Deep understanding of secure coding practices, application security frameworks, and common vulnerabilities (e.g., OWASP Top 10) Proficiency in Python or Rust programming languages and experience with secure coding practices in these languages Experience securing CI/CD pipelines and implementing DevSecOps practices Familiarity with software supply chain security and SBOM generation tools Experience with security testing tools (e.g., Burp Suite, OWASP ZAP) and static/dynamic code analysis Understanding of AI/ML security implications, particularly those outlined in the OWASP LLM Top 10 Excellent communication skills, able to explain complex security issues to both technical and non-technical audiences PREFERRED SKILLS AND EXPERIENCE: Experience with cloud platforms (e.g., GCP, AWS, Azure) and their security features Relevant security certifications (e.g., CSSLP, OSWE) Background in data privacy and compliance regulations relevant to cloud-native applications and AI systems Experience with GitOps and infrastructure-as-code security Familiarity with federated learning and privacy-preserving machine learning techniques Experience in building custom security tooling to enhance and automate security processes Interest in leveraging AI to automate security tasks and improve efficiency Contributions to open-source security projects or tools Experience in securing AI/ML models and data pipelines COMPENSATION AND BENEFITS: $100,000 - $258,000 USD Base salary is just one part of our total rewards package at SpaceXAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks. SpaceXAI is an equal opportunity employer. For details on data processing, view our Recruitment Privacy Notice .