AI Summary
Flex is a growth-stage FinTech company creating the best rent payment experience. We're looking for a Senior Software Engineer to develop and scale our platform and app experiences. The ideal candidate will have 5+ years of professional software development experience and expertise in Java, React, and TypeScript.
Key Highlights
Develop and scale platform and app experiences
Partner with product managers, designers, and data scientists
Implement changes through agile methodology
Key Responsibilities
Create exceptional user and partner experiences
Design, develop, test, and deploy robust APIs, services, and data pipelines
Implement changes through an agile methodology
Technical Skills Required
Benefits & Perks
Competitive medical, dental, and vision
Company equity
401(k) plan with company match
Unlimited paid time off + 13 company paid holidays
Parental leave
Flex Cares Program: Non-profit company match + pet adoption coverage
Free Flex subscription
Nice to Have
Experience building high-quality mobile and web UIs to specifications
Proficient in CI/CD systems (preferably GitHub Actions)
Skilled in observability and monitoring tools, such as DataDog
Job Description
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?
Flex is looking for an Engineer to join our dynamic team and play a pivotal role in accelerating our growth trajectory. In this role, you will be instrumental in developing and scaling the platform and app experiences that empower our users and partners, unlocking our next phase of 10x growth.
What You'll Do:
- Focus on creating exceptional user and partner experiences that drive engagement and retention.
- Partner closely with product managers, designers, and data scientists, data analysts to identify and solve critical user onboarding challenges.
- Design, develop, test, and deploy robust APIs, services and data pipelines that enhance user onboarding and overall platform experience.
- Implement changes through an agile methodology, prioritizing rapid iteration and continuous improvement.
- Utilize data and analytics to measure the impact of your work and identify opportunities for optimization.
Minimum Qualifications
- 5+ years of professional software development experience.
- 3+ years of hands-on experience with Java.
- 3+ years of experience with React or React Native.
- 3+ years of experience with TypeScript.
- Having experience building high-quality mobile and web UIs to specifications is a must to have.
- 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 architectures and tools in React Native and React ecosystems (Hooks, Components, Context, Redux).
- Experience with AWS (EKS, Aurora RDS, Elasticache, DynamoDB) and containerization tools.
Looking to advance your Development & Programming career with relocation support? Explore Development & Programming Jobs with Relocation Packages that include comprehensive packages to help you move and settle in your new role.
- Have the experience to build and improve user onboarding funnel and design the comprehensive experiment to drive metric improvements.
- 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.
Discover our full range of relocation jobs with comprehensive support packages to help you relocate and settle in your new location.
- Tier A (NYC/SF/Seattle): $172,000—$210,000 USD
- Tier B: $154,000—$190,000 USD
- Tier C: $146,000—$180,000 USD
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.
Interested in relocating to United State? Check out our comprehensive Relocation Jobs in United State page with detailed relocation packages and benefits.
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
- Flex Cares Program: Non-profit company match + pet adoption coverage
- Free Flex subscription
- Competitive compensation + company equity
- Unlimited PTO
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