Flex ยท 2 weeks ago
Software Engineer II, Frontend, Mobile and Web
Flex is a growth-stage FinTech company headquartered in NYC that aims to revolutionize the rent payment experience. They are seeking a Software Engineer II responsible for developing the core user experience across mobile and web platforms, collaborating with cross-functional teams to launch new features and solve complex problems.
AppsBillingFinancial ServicesFinTechSoftware
Responsibilities
Work closely with product, design, and engineering peers to launch new features across our web and mobile platforms
Design, test, and scale new features to solve complex problems in a simple way for our customers
Be hands-on and execute work as an individual, while also building products that allow for flexibility as we evolve our product offerings
The ideal candidate will be comfortable leading scoping, design, & implementation for mobile/web features
Qualification
Required
A minimum of 2 years experience in React.js or React Native is required for this position
Strong computer science fundamentals
A strong focus on building high quality mobile and web UIs to specifications
Experience with various architectures and tools within the React Native and React ecosystems (Hooks, Components, Context, Redux)
Experience delivering products at a large scale without performance bottlenecks (hundreds of thousands to millions of users)
Write maintainable code that uses industry best practices to improve the entire software development life cycle (unit testing, linting, automation)
Ability to write well-documented and testable TypeScript code
Familiarity with REST API's and tooling across web and mobile architectures
Collaborating with engineers across multiple teams to improve code quality
Benefits
Competitive medical, dental, and vision available from Day 1
Company equity
401(k) plan with company match (our company match kicks off at the beginning of 2026)
Unlimited paid time off + 13 company paid holidays
Parental leave
Flex Cares Program
Free Flex subscription
Competitive compensation + company equity
Unlimited PTO
Company
Flex
Flex enables people to pay rent bills on a schedule that fits their personal finances.
H1B Sponsorship
Flex has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (1)
2024 (1)
Funding
Current Stage
Growth StageTotal Funding
unknown2025-03-31Series A
2019-11-01Seed
2019-07-24Pre Seed
Recent News
Flexible Finance, Inc.
2025-10-14
Flexible Finance, Inc.
2025-10-09
2023-12-15
Company data provided by crunchbase