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Flex is a growth-stage, NYC headquartered FinTech company that is creating the best rent payment experience. It’s hard to believe that it’s 2026 and paying rent on time is expensive, inflexible, and difficult. We’re here to change that! Flex enables our users to pay rent throughout the month on a schedule that better fits their finances and budget. Our mission is to empower as many renters as possible with flexibility over their most significant recurring expense. After deliberately keeping a stealth profile as we built up unprecedented investor support and an enthusiastic user base, we are looking for motivated individuals to help us keep our mission growing. Will you be a part of the team? As a Staff Data Scientist, reporting to our Director of Analytics, you will play a critical strategic role in shaping Flex's future by guiding key analytics projects across our Go-To-Market and Account Management teams. You will champion truth seeking across the business, working to bring clarity to some of Flex’s most challenging and complex areas. Through your technical expertise and mastery of data-led story telling, you improve our understanding of the business and where we can make improvements. The ideal candidate for this role is intensely curious, holds themselves to a high analytical bar, while simultaneously balancing analytical rigor with speed and ultimate business impact. What you’ll do Improve our understanding of key Flex domains by creating scalable frameworks that connect dots across the business into easily interpretable outputs Proactively and effectively root cause data and performance issues across the business in order to ensure continued strong performance Create and improve dashboards, visualizations, and automations that help us scale analytics across Flex Work to establish clear causal links between actions and outcomes through experimentation and other relevant methods, where applicable Combine data and strategy - being that bridge between what the data is telling us and the implications for strategic priorities within different areas of the business Champion best practices, precise and consistent terminology, and robust documentation within Analytics and more broadly across the organization Key qualifications 5+ years of experience using analytical and statistical methods to support and drive critical business outcomes Bachelor's degree in finance, economics, or other related fields Expert communicator who can break down complex technical concepts into simple business vernacular Experience across a variety of analytical domains that allow you to bring unique perspectives to solving hard problems Demonstrated success driving business strategy and outcomes from an analytics lens Advanced experience with SQL, business intelligence tools (e.g., Tableau, Mode, Looker, etc.) Experience with ETL processes, especially utilizing dbt and Snowflake Track record of using quantitative, analytical, and problem-solving skills to drive decisions Biased for action - knows when to not let perfect be the enemy of good enough, while also can effectively highlight the tradeoffs/risks of moving too quickly too soon Strong ownership mindset with a deep natural curiosity to dive into the details and understand how systems work This role is hybrid with on-site expectations of 3 days per week in our New York Headquarters. Compensation Flex takes a market-based approach to pay, ensuring compensation is commensurate with a candidate's experience and our internal leveling guidelines. For candidates located in our Tier 1 (NYC/Bay Area) markets, the base salary pay range for this role is below. Flex utilizes a geographic pay differential based on a cost of labor index. If you are located outside of the cities listed below, your starting pay will be adjusted to align with the market conditions of your specific geographic zone. Please speak with your recruiter for additional information regarding the specific range for your location. Tier 1 (NYC/Bay Area) $155,000 — $187,000 USD Life at Flex We understand that it takes a diverse team of highly intelligent, curious, determined, empathetic, and self aware people to grow a successful company. Our HQ is located in New York City, but we have employees located throughout the US, Australia, Canada and South America. We are growing quickly, but deliberately, with a focus on building an inclusive culture. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity workplace. Offices Roles posted in New York, San Francisco, and Salt Lake City are hybrid positions with on-site expectations of 2-3 days per week in our local offices. For candidates outside of these areas, you may be eligible for our relocation assistance program. Benefits For full-time U.S. employees we offer: Competitive medical, dental, and vision Company equity 401(k) plan with company match Unlimited paid time off + 13 company paid holidays Parental leave Free Flex subscription For full-time non-U.S. employees, we offer: Competitive compensation + company equity Unlimited PTO

Flex is a growth-stage, NYC headquartered FinTech company that is creating the best rent payment experience. It’s hard to believe that it’s 2026 and paying rent on time is expensive, inflexible, and difficult. We’re here to change that! Flex enables our users to pay rent throughout the month on a schedule that better fits their finances and budget. Our mission is to empower as many renters as possible with flexibility over their most significant recurring expense. After deliberately keeping a stealth profile as we built up unprecedented investor support and an enthusiastic user base, we are looking for motivated individuals to help us keep our mission growing. Will you be a part of the team? The Role As a Senior Staff Analytics Engineer, you will enable stakeholders at Flex to easily find the data they need to make decisions. You'll do this by leveraging your technical skills to develop better data products and solutions. You'll partner with analysts, engineers, PMs and others to define the requirements while being accountable for delivering the end data product. As part of the broader Data team, you will report to the Director, Analytics Engineering and support a number of different areas across Flex. You Will: Lead the development of data models to consume, transform, and expose data to stakeholders and systems across the company Collect business requirements, define successful analytics outcomes, and design data solutions Set company-wide standards for data regarding structure, quality, and expectations Contribute Flex’s data culture by influencing processes, systems, and tools that enable to make better decisions in a scalable way You Have: 6+ years as an analytics engineer or equivalent, with a track record of shipping high quality products and features at scale Expert knowledge of SQL, data warehouses (we use Snowflake), and how to write efficient SQL queries Familiarity with common BI tools (preferably Sigma Computing, Tableau, Mode, etc.) Expert proficiency with dbt or similar data modeling tool Strong perspective on analytics engineering development cycle (data modeling, version control, documentation + testing, and best practices for codebase development and CI/CD) Experience within the fintech space This is a hybrid position with on-site expectations of 3 days per week in our New York Headquarters. For candidates outside of the NY/NJ area, you may be eligible for our relocation assistance program. Compensation Flex takes a market-based approach to pay, ensuring compensation is commensurate with a candidate's experience and our internal leveling guidelines. For candidates located in our Tier 1 (NYC/Bay Area) markets, the base salary pay range for this role is below. Flex utilizes a geographic pay differential based on a cost of labor index. If you are located outside of the cities listed below, your starting pay will be adjusted to align with the market conditions of your specific geographic zone. Please speak with your recruiter for additional information regarding the specific range for your location. Tier 1 (NYC/Bay Area) $200,000 — $240,000 USD Life at Flex We understand that it takes a diverse team of highly intelligent, curious, determined, empathetic, and self aware people to grow a successful company. Our HQ is located in New York City, but we have employees located throughout the US, Australia, Canada and South America. We are growing quickly, but deliberately, with a focus on building an inclusive culture. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity workplace. Offices Roles posted in New York, San Francisco, and Salt Lake City are hybrid positions with on-site expectations of 2-3 days per week in our local offices. For candidates outside of these areas, you may be eligible for our relocation assistance program. Benefits For full-time U.S. employees we offer: Competitive medical, dental, and vision Company equity 401(k) plan with company match Unlimited paid time off + 13 company paid holidays Parental leave Free Flex subscription For full-time non-U.S. employees, we offer: Competitive compensation + company equity Unlimited PTO

Flex is a growth-stage, NYC headquartered FinTech company that is creating the best rent payment experience. It’s hard to believe that it’s 2026 and paying rent on time is expensive, inflexible, and difficult. We’re here to change that! Flex enables our users to pay rent throughout the month on a schedule that better fits their finances and budget. Our mission is to empower as many renters as possible with flexibility over their most significant recurring expense. After deliberately keeping a stealth profile as we built up unprecedented investor support and an enthusiastic user base, we are looking for motivated individuals to help us keep our mission growing. Will you be a part of the team? About the role As a Senior SDET at Flex, you will own the test automation and quality efforts for entire product areas or major features. You will architect and optimize automation frameworks, lead test strategy for complex systems, and regularly collaborate across teams to deliver reliable and high-quality releases. This role offers the opportunity to mentor others, drive cross-functional quality improvements, and play a critical part in shaping the future of our engineering excellence. What you’ll do Architect, implement, and optimize automated test frameworks for complex product areas, ensuring high reliability and maintainability Design, develop, and maintain robust automated test suites for API, UI, and integration testing Lead test strategy development and perform risk analysis for major features and systems Integrate automated testing into CI/CD pipelines, supporting continuous integration and delivery processes Proactively identify systemic quality issues and drive cross-team process improvements to increase coverage and efficiency Analyze test coverage, identify gaps, and implement solutions to improve product quality Collaborate closely with engineering, product, and quality leaders on cross-functional quality initiatives and release planning Provide technical guidance and mentorship to junior SDETs and QA team members, fostering skill development and best practices Review code and test cases contributed by other engineers for quality and maintainability Maintain accurate and actionable test documentation, reports, and quality metrics for assigned product areas Investigate and resolve complex defects and production issues through advanced debugging and root cause analysis Advocate for quality and champion adoption of best practices within and across engineering teams Proven ability to lead test strategy and risk analysis while making high-impact technical decisions amid ambiguity and prioritizing what matters most. Key qualifications Bachelor’s degree in Computer Science or related field, or equivalent experience 5+ years of experience in software development and test automation Advanced proficiency in multiple programming languages and test automation frameworks Deep experience designing, building, and maintaining automation frameworks (e.g., Playwright, Cypress, Selenium, RestAssured) Strong expertise in API, UI, and integration testing Proficient in CI/CD pipeline integration and optimization Skilled in test strategy development, risk analysis, and test architecture Advanced debugging, troubleshooting, and root cause analysis Solid understanding of database systems and advanced SQL Experience with observability and monitoring tools (e.g., DataDog, NewRelic) Excellent cross-functional communication and mentorship skills Strong written and verbal communication skills; able to collaborate across functions Compensation Flex takes a market-based approach to pay, and compensation may vary depending on your primary work location. Work locations are categorized into one of three tiers based on a cost of labor index for that geographic area. The successful candidate’s starting pay will be commensurate with their experience, qualifications, and Flex’s internal leveling guidelines and benchmarks. Tier 1 (NYC/Bay Area, Los Angeles, Seattle) $136,000 — $170,000 USD Tier 2 (Austin, Washington D.C. Philadelphia, San Diego, Chicago, Atlanta) $122,400 — $153,000 USD Tier 3 (Salt Lake City, all other USA cities) $115,600 — $144,500 USD Life at Flex We understand that it takes a diverse team of highly intelligent, curious, determined, empathetic, and self aware people to grow a successful company. Our HQ is located in New York City, but we have employees located throughout the US, Australia, Canada and South America. We are growing quickly, but deliberately, with a focus on building an inclusive culture. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity workplace. Offices Roles posted in New York, San Francisco, and Salt Lake City are hybrid positions with on-site expectations of 2-3 days per week in our local offices. For candidates outside of these areas, you may be eligible for our relocation assistance program. Benefits For full-time U.S. employees we offer: Competitive medical, dental, and vision Company equity 401(k) plan with company match Unlimited paid time off + 13 company paid holidays Parental leave Free Flex subscription For full-time non-U.S. employees, we offer: Competitive compensation + company equity Unlimited PTO

Flex is a growth-stage, NYC headquartered FinTech company that is creating the best rent payment experience. It’s hard to believe that it’s 2026 and paying rent on time is expensive, inflexible, and difficult. We’re here to change that! Flex enables our users to pay rent throughout the month on a schedule that better fits their finances and budget. Our mission is to empower as many renters as possible with flexibility over their most significant recurring expense. After deliberately keeping a stealth profile as we built up unprecedented investor support and an enthusiastic user base, we are looking for motivated individuals to help us keep our mission growing. Will you be a part of the team? About the role As a Staff SDET at Flex, you will operate as a technical leader within the Quality Engineering team, shaping quality strategy, standards, and automation frameworks for major products and platforms. You will collaborate across engineering, product, and cross-functional stakeholders to solve complex quality challenges and drive initiatives that raise the bar for software reliability and efficiency across the organization. What you’ll do Define and lead quality strategy and test automation direction for major products and platforms Architect, implement, and optimize scalable, maintainable automation frameworks across products and services Set best practices for advanced testing methodologies, test data generation, and data-driven testing Drive adoption of new tools and emerging technologies to improve testing effectiveness and coverage Lead and coordinate cross-team quality and automation initiatives with significant business impact Collaborate closely with senior engineering, product, and leadership stakeholders to align quality goals and strategies Provide technical leadership and mentorship to SDETs and engineers across multiple teams Identify and resolve large-scale, complex quality challenges, proactively anticipating risks and ambiguities Establish and enforce quality standards, best practices, and documentation across the organization Analyze and report on quality metrics, test coverage, and areas for continuous improvement Advocate for a culture of quality, continuous improvement, and technical excellence Key qualifications Bachelor’s degree in Computer Science or related field, or equivalent experience 8+ years of experience in software quality engineering and test automation Expert-level proficiency in multiple programming languages and automation frameworks Advanced experience architecting scalable, maintainable automation solutions across products and platforms Expertise in advanced testing methodologies, test data generation, data-driven testing, and other industry emerging technologies Deep knowledge of CI/CD systems and infrastructure-as-code tools Strong skills in test framework optimization and technical leadership Experience with enterprise-level observability, monitoring, and analytics tools Proficiency in complex data analysis and advanced SQL Excellent communication, influence, and cross-team mentorship abilities Ability to set and enforce quality standards and best practices at scale Compensation Flex takes a market-based approach to pay, and compensation may vary depending on your primary work location. Work locations are categorized into one of three tiers based on a cost of labor index for that geographic area. The successful candidate’s starting pay will be commensurate with their experience, qualifications, and Flex’s internal leveling guidelines and benchmarks. Tier 1 (NYC/Bay Area, Los Angeles, Seattle) $160,000 — $200,000 USD Tier 2 (Austin, Washington D.C. Philadelphia, San Diego, Chicago, Atlanta) $144,000 — $180,000 USD Tier 3 (Salt Lake City, all other USA cities) $136,000 — $170,000 USD Life at Flex We understand that it takes a diverse team of highly intelligent, curious, determined, empathetic, and self aware people to grow a successful company. Our HQ is located in New York City, but we have employees located throughout the US, Australia, Canada and South America. We are growing quickly, but deliberately, with a focus on building an inclusive culture. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity workplace. Offices Roles posted in New York, San Francisco, and Salt Lake City are hybrid positions with on-site expectations of 2-3 days per week in our local offices. For candidates outside of these areas, you may be eligible for our relocation assistance program. Benefits For full-time U.S. employees we offer: Competitive medical, dental, and vision Company equity 401(k) plan with company match Unlimited paid time off + 13 company paid holidays Parental leave Free Flex subscription For full-time non-U.S. employees, we offer: Competitive compensation + company equity Unlimited PTO

Flex is a growth-stage, NYC headquartered FinTech company that is creating the best rent payment experience. It’s hard to believe that it’s 2026 and paying rent on time is expensive, inflexible, and difficult. We’re here to change that! Flex enables our users to pay rent throughout the month on a schedule that better fits their finances and budget. Our mission is to empower as many renters as possible with flexibility over their most significant recurring expense. After deliberately keeping a stealth profile as we built up unprecedented investor support and an enthusiastic user base, we are looking for motivated individuals to help us keep our mission growing. Will you be a part of the team? About Our Opportunity Flex exists to make paying rent work the way real life actually works — smoothing out cash flow, helping renters avoid late fees, and letting them build credit instead of falling behind. As a Senior Staff Software Engineer, you'll oversee the technical roadmap for the team, working across APIs, SDKs, and Web experiences. You will work with teams across the organization including Engineering, Product, Design, Infrastructure, Sales, Partner and Customer Success to ensure that the technical strategy meets our goals. We expect you to be hands-on and execute work as an individual, and build products that allow for flexibility as we evolve our product offerings. About Our Team! We have some really exciting teams who are looking for an amazing engineer like you! Check them out! Partner Integrations - Partner integrations work to standardize APIs, tools, and processes that let external partners connect to Flex for data sharing and payments across entry points like Flex Anywhere Who thrives here? A Doer — you get things done efficiently, and you're comfortable rolling up your sleeves when something's blocking the team. An Owner — you take full accountability for what you build, from design through production, and you always have a plan B. Someone Collaborative — you bring people together to pressure-test ideas rather than working in a silo. Someone with Precision — your code and your communication are both clear, because ideas only matter once others can act on them. Someone Resilient — systems break and priorities shift, and you adapt without losing momentum. Someone Humble — you care more about getting to the right answer than being the one who's right. Qualifications: Bachelor or above degree in Computer Science or a related field Minimum of 10 years experience in software engineering, with at least 3 years of technical leadership experience in a hands-on capacity Ability to work on a globally-distributed team with a high degree of ownership Experience leading the delivery of multiple highly impactful products end to end, on time with a high quality bar Experience working with technical and non-technical stakeholders, successfully aligning and setting expectations on scope and delivery Ability to drive yourself and your team to bring quality and consistency to their code and architecture, without compromising velocity Ability to grow in a fast-paced and dynamic environment that will challenge you to always bring your best Experience in designing and developing solutions that maximize ROI and lead to significant business impact Experience working in FinTech and familiar with major payment rails Experience working with Sales stakeholders and/or building products for Sales professionals Experience building integrations with external partners & managing relationships with external stakeholders Experience working on AWS cloud based applications Compensation Flex takes a market-based approach to pay, and compensation may vary depending on your primary work location. Work locations are categorized into one of three tiers based on a cost of labor index for that geographic area. The successful candidate’s starting pay will be commensurate with their experience, qualifications, and Flex’s internal leveling guidelines and benchmarks. Tier 1 (NYC/Bay Area, Los Angeles, Seattle) $240,000 — $300,000 USD Tier 2 (Austin, Washington D.C. Philadelphia, San Diego, Chicago, Atlanta) $216,000 — $270,000 USD Tier 3 (Salt Lake City, all other USA cities) $204,000 — $255,000 USD Life at Flex We understand that it takes a diverse team of highly intelligent, curious, determined, empathetic, and self aware people to grow a successful company. Our HQ is located in New York City, but we have employees located throughout the US, Australia, Canada and South America. We are growing quickly, but deliberately, with a focus on building an inclusive culture. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity workplace. Offices Roles posted in New York, San Francisco, and Salt Lake City are hybrid positions with on-site expectations of 2-3 days per week in our local offices. For candidates outside of these areas, you may be eligible for our relocation assistance program. Benefits For full-time U.S. employees we offer: Competitive medical, dental, and vision Company equity 401(k) plan with company match Unlimited paid time off + 13 company paid holidays Parental leave Free Flex subscription For full-time non-U.S. employees, we offer: Competitive compensation + company equity Unlimited PTO

Flex is a growth-stage, NYC headquartered FinTech company that is creating the best rent payment experience. It’s hard to believe that it’s 2026 and paying rent on time is expensive, inflexible, and difficult. We’re here to change that! Flex enables our users to pay rent throughout the month on a schedule that better fits their finances and budget. Our mission is to empower as many renters as possible with flexibility over their most significant recurring expense. After deliberately keeping a stealth profile as we built up unprecedented investor support and an enthusiastic user base, we are looking for motivated individuals to help us keep our mission growing. Will you be a part of the team? About Our Opportunities Flex exists to make paying rent work the way real life actually works — smoothing out cash flow, helping renters avoid late fees, and letting them build credit instead of falling behind. As a Staff Backend Engineer, you'll design, build, and scale the services and integrations behind Payment, Billing, Identity, and partner integrations that keep rent moving on time for renters every month — setting the long-term technical vision and architecture for the systems you own, leading scoping, design, and implementation across teams, driving your own production rollouts to completion with minimal oversight, and working closely with product, design, and engineering peers to solve renters' most pressing problems in small, frequent iterations rather than big, risky releases. You'll also raise the bar for the engineers around you, mentoring peers and driving consistency and best practices across the org. About Our Team(s) We have some really exciting teams who are looking for an amazing engineer like you! Check them out! Partner Integrations - Partner integrations work to standardize APIs, tools, and processes that let external partners connect to Flex for data sharing and payments across entry points like Flex Anywhere and Quick-Pay Money Team - builds and owns the platforms, tooling, and documentation powering Flex's payments, wallet, and settlement finance systems. Who thrives here? A Doer — you get things done efficiently, and you're comfortable rolling up your sleeves when something's blocking the team. An Owner — you take full accountability for what you build, from design through production, and you always have a plan B. Someone Collaborative — you bring people together to pressure-test ideas rather than working in a silo. Someone with Precision — your code and your communication are both clear, because ideas only matter once others can act on them. Someone Resilient — systems break and priorities shift, and you adapt without losing momentum. Someone Humble — you care more about getting to the right answer than being the one who's right. Qualifications Minimum Qualifications Minimum of 8 years experience in software engineering Minimum of 6 years experience with Java Proven ability to set technical direction and architecture for complex, distributed systems Ability to lead and mentor engineers, raising the technical bar across a team or org Ability to work on a globally-distributed team with a high degree of ownership Experience working with technical and non-technical stakeholders, successfully aligning and setting expectations on scope and delivery Experience building robust, fault-tolerant systems with multiple external dependencies Experience designing, building, and maintaining data pipelines Proficient in Java frameworks and tools used at Flex, including Spring (core/web/boot), Gradle, JUnit, and JVM (memory/performance tuning, GC) Experience with Service-Oriented Architecture, REST APIs, Message Queues, and scalable architectures Experience with AWS (EKS, Aurora RDS, Elasticache, DynamoDB) and containerization tools Preferred Qualifications Proficient in CI/CD systems (preferably GitHub Actions), git, and automation Skilled in observability and monitoring tools, such as DataDog, to ensure high availability Experienced with big data platforms and tooling, including Snowflake Proficient in Infrastructure as Code, using tools like CDK and Terraform Track record of elevating team standards through best practices, and mentoring engineers at all levels Excellent written and verbal communicator, with experience influencing cross-functional strategy Compensation Flex takes a market-based approach to pay, and compensation may vary depending on your primary work location. Work locations are categorized into one of three tiers based on a cost of labor index for that geographic area. The successful candidate’s starting pay will be commensurate with their experience, qualifications, and Flex’s internal leveling guidelines and benchmarks. Tier 1 (NYC/Bay Area, Los Angeles, Seattle) $200,000 — $250,000 USD Tier 2 (Austin, Washington D.C. Philadelphia, San Diego, Chicago, Atlanta) $180,000 — $225,000 USD Tier 3 (Salt Lake City, all other USA cities) $170,000 — $212,500 USD Life at Flex We understand that it takes a diverse team of highly intelligent, curious, determined, empathetic, and self aware people to grow a successful company. Our HQ is located in New York City, but we have employees located throughout the US, Australia, Canada and South America. We are growing quickly, but deliberately, with a focus on building an inclusive culture. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity workplace. Offices Roles posted in New York, San Francisco, and Salt Lake City are hybrid positions with on-site expectations of 2-3 days per week in our local offices. For candidates outside of these areas, you may be eligible for our relocation assistance program. Benefits For full-time U.S. employees we offer: Competitive medical, dental, and vision Company equity 401(k) plan with company match Unlimited paid time off + 13 company paid holidays Parental leave Free Flex subscription For full-time non-U.S. employees, we offer: Competitive compensation + company equity Unlimited PTO

Flex is a growth-stage, NYC headquartered FinTech company that is creating the best rent payment experience. It’s hard to believe that it’s 2026 and paying rent on time is expensive, inflexible, and difficult. We’re here to change that! Flex enables our users to pay rent throughout the month on a schedule that better fits their finances and budget. Our mission is to empower as many renters as possible with flexibility over their most significant recurring expense. After deliberately keeping a stealth profile as we built up unprecedented investor support and an enthusiastic user base, we are looking for motivated individuals to help us keep our mission growing. Will you be a part of the team? About Our Opportunities Flex exists to make paying rent work the way real life actually works — smoothing out cash flow, helping renters avoid late fees, and letting them build credit instead of falling behind. As a Senior Backend Engineer, you'll design, build, and scale the services and integrations behind Payment, Billing, Identity, and partner integrations that keep rent moving on time for renters every month — leading scoping, design, and implementation for the APIs you own, driving your own production rollouts to completion with minimal oversight, and working closely with product, design, and engineering peers to solve renters' most pressing problems in small, frequent iterations rather than big, risky releases. About Our Team(s) We have some really exciting teams who are looking for an amazing engineer like you! Check them out! Partner Integrations - Partner integrations work to standardize APIs, tools, and processes that let external partners connect to Flex for data sharing and payments across entry points like Flex Anywhere and Quick-Pay Fin Platform - Fin Platform is the monitoring and operations layer for Flex's billing and payment systems, covering dashboards, SLIs/SLOs, runbooks, deployment and on-call procedures to ensure reliability and readiness. Money Team - builds and owns the platforms, tooling, and documentation powering Flex's payments, wallet, and settlement finance systems. Who Thrives Here? A Doer — you get things done efficiently, and you're comfortable rolling up your sleeves when something's blocking the team. An Owner — you take full accountability for what you build, from design through production, and you always have a plan B. Someone Collaborative — you bring people together to pressure-test ideas rather than working in a silo. Someone with Precision — your code and your communication are both clear, because ideas only matter once others can act on them. Someone Resilient — systems break and priorities shift, and you adapt without losing momentum. Someone Humble — you care more about getting to the right answer than being the one who's right. Qualifications Minimum Qualifications Minimum of 6 years experience in software engineering Minimum of 4 years experience with Java Ability to work on a globally-distributed team with a high degree of ownership Experience working with technical and non-technical stakeholders, successfully aligning and setting expectations on scope and delivery Ability to grow in a fast-paced and dynamic environment that will challenge you to always bring your best Experience building robust, fault-tolerant systems with multiple external dependencies Experience designing, building, and maintaining data pipelines Proficient in Java frameworks and tools used at Flex, including Spring (core/web/boot), Gradle, JUnit, and JVM (memory/performance tuning, GC) Experience with Service-Oriented Architecture, REST APIs, Message Queues, and scalable architectures Experience with AWS (EKS, Aurora RDS, Elasticache, DynamoDB) and containerization tools Preferred Qualifications Proficient in CI/CD systems (preferably GitHub Actions), git, and automation Skilled in observability and monitoring tools, such as DataDog, to ensure high availability Experienced with big data platforms and tooling, including Snowflake Proficient in Infrastructure as Code, using tools like CDK and Terraform Skilled at elevating team standards through best practices, and mentoring junior engineers Excellent written and verbal communicator, with experience in cross-functional collaboration Compensation Flex takes a market-based approach to pay, and compensation may vary depending on your primary work location. Work locations are categorized into one of three tiers based on a cost of labor index for that geographic area. The successful candidate’s starting pay will be commensurate with their experience, qualifications, and Flex’s internal leveling guidelines and benchmarks. Tier 1 (NYC/Bay Area, Los Angeles, Seattle) $172,000 — $215,000 USD Tier 2 (Austin, Washington D.C. Philadelphia, San Diego, Chicago, Atlanta) $154,800 — $193,500 USD Tier 3 (Salt Lake City, all other USA cities) $146,200 — $182,750 USD Life at Flex We understand that it takes a diverse team of highly intelligent, curious, determined, empathetic, and self aware people to grow a successful company. Our HQ is located in New York City, but we have employees located throughout the US, Australia, Canada and South America. We are growing quickly, but deliberately, with a focus on building an inclusive culture. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity workplace. Offices Roles posted in New York, San Francisco, and Salt Lake City are hybrid positions with on-site expectations of 2-3 days per week in our local offices. For candidates outside of these areas, you may be eligible for our relocation assistance program. Benefits For full-time U.S. employees we offer: Competitive medical, dental, and vision Company equity 401(k) plan with company match Unlimited paid time off + 13 company paid holidays Parental leave Free Flex subscription For full-time non-U.S. employees, we offer: Competitive compensation + company equity Unlimited PTO

Flex is a growth-stage, NYC headquartered FinTech company that is creating the best rent payment experience. It’s hard to believe that it’s 2026 and paying rent on time is expensive, inflexible, and difficult. We’re here to change that! Flex enables our users to pay rent throughout the month on a schedule that better fits their finances and budget. Our mission is to empower as many renters as possible with flexibility over their most significant recurring expense. After deliberately keeping a stealth profile as we built up unprecedented investor support and an enthusiastic user base, we are looking for motivated individuals to help us keep our mission growing. Will you be a part of the team? About Our Opportunities Flex exists to make paying rent work the way real life actually works — smoothing out cash flow, helping renters avoid late fees, and letting them build credit instead of falling behind. As a Senior Backend Engineer, you'll design, build, and scale the services and integrations behind Payment, Billing, Identity, and partner integrations that keep rent moving on time for renters every month — leading scoping, design, and implementation for the APIs you own, driving your own production rollouts to completion with minimal oversight, and working closely with product, design, and engineering peers to solve renters' most pressing problems in small, frequent iterations rather than big, risky releases. About Our Team(s) We have some really exciting teams who are looking for an amazing engineer like you! Check them out! Partner Integrations - Partner integrations work to standardize APIs, tools, and processes that let external partners connect to Flex for data sharing and payments across entry points like Flex Anywhere and Quick-Pay Fin Platform - Fin Platform is the monitoring and operations layer for Flex's billing and payment systems, covering dashboards, SLIs/SLOs, runbooks, deployment and on-call procedures to ensure reliability and readiness. Money Team - builds and owns the platforms, tooling, and documentation powering Flex's payments, wallet, and settlement finance systems. Who Thrives Here? A Doer — you get things done efficiently, and you're comfortable rolling up your sleeves when something's blocking the team. An Owner — you take full accountability for what you build, from design through production, and you always have a plan B. Someone Collaborative — you bring people together to pressure-test ideas rather than working in a silo. Someone with Precision — your code and your communication are both clear, because ideas only matter once others can act on them. Someone Resilient — systems break and priorities shift, and you adapt without losing momentum. Someone Humble — you care more about getting to the right answer than being the one who's right. Qualifications Minimum Qualifications Minimum of 6 years experience in software engineering Minimum of 4 years experience with Java Ability to work on a globally-distributed team with a high degree of ownership Experience working with technical and non-technical stakeholders, successfully aligning and setting expectations on scope and delivery Ability to grow in a fast-paced and dynamic environment that will challenge you to always bring your best Experience building robust, fault-tolerant systems with multiple external dependencies Experience designing, building, and maintaining data pipelines Proficient in Java frameworks and tools used at Flex, including Spring (core/web/boot), Gradle, JUnit, and JVM (memory/performance tuning, GC) Experience with Service-Oriented Architecture, REST APIs, Message Queues, and scalable architectures Experience with AWS (EKS, Aurora RDS, Elasticache, DynamoDB) and containerization tools Preferred Qualifications Proficient in CI/CD systems (preferably GitHub Actions), git, and automation Skilled in observability and monitoring tools, such as DataDog, to ensure high availability Experienced with big data platforms and tooling, including Snowflake Proficient in Infrastructure as Code, using tools like CDK and Terraform Skilled at elevating team standards through best practices, and mentoring junior engineers Excellent written and verbal communicator, with experience in cross-functional collaboration Compensation Flex takes a market-based approach to pay, and compensation may vary depending on your primary work location. Work locations are categorized into one of three tiers based on a cost of labor index for that geographic area. The successful candidate’s starting pay will be commensurate with their experience, qualifications, and Flex’s internal leveling guidelines and benchmarks. Tier 1 (NYC/Bay Area, Los Angeles, Seattle) $172,000 — $215,000 USD Tier 2 (Austin, Washington D.C. Philadelphia, San Diego, Chicago, Atlanta) $154,800 — $193,500 USD Tier 3 (Salt Lake City, all other USA cities) $146,200 — $182,750 USD Life at Flex We understand that it takes a diverse team of highly intelligent, curious, determined, empathetic, and self aware people to grow a successful company. Our HQ is located in New York City, but we have employees located throughout the US, Australia, Canada and South America. We are growing quickly, but deliberately, with a focus on building an inclusive culture. Our dynamic team has incredible perspectives to share, just as we know you do, and we take great pride in being an equal opportunity workplace. Offices Roles posted in New York, San Francisco, and Salt Lake City are hybrid positions with on-site expectations of 2-3 days per week in our local offices. For candidates outside of these areas, you may be eligible for our relocation assistance program. Benefits For full-time U.S. employees we offer: Competitive medical, dental, and vision Company equity 401(k) plan with company match Unlimited paid time off + 13 company paid holidays Parental leave Free Flex subscription For full-time non-U.S. employees, we offer: Competitive compensation + company equity Unlimited PTO