Senior/Staff/Principal Mobile (React Native) Developer – New York – On-Site – Opportunity to jo[...]
Summary
Develops and optimizes React Native mobile app features for a fast-growing NYC fintech startup, collaborating with frontend, product, and backend teams to enhance user-facing components, refactor code, and ensure robust testing.
Senior/Staff/Principal Mobile (React Native) Developer – New York – On-Site – Opportunity to join one of the Fastest-Growing and Well-Known Fin-Tech Start-Ups in NYC
This young and agile company, building a cutting-edge commerce network is currently seeking Mobile React Native Developers of all levels with start-up experience.
You will assist with the continuous expansion and optimization of their services in a frontier space.
This is an excellent opportunity for an experienced Mobile Engineer with start-up experience to take the next step into a challenging position with a company offering significant growth potential.
About the Company:
- Valued at over $10bn having raised over $250m in their Series B funding in 2025.
- Launched in the 2020’s, this is phenomenal growth
- Their network has already reached more than 4.5 million people
- They have already acquired some smaller Fintechs
- They launched their new product in 2026
About the Senior/Staff/Principal Mobile (React Native) Engineer Vacancies:
In order to develop user-facing features, you will work directly with the frontend engineering and product teams across the React Native mobile app.
- Identify opportunities to refactor and make features more robust
- Coordinate with QA to test new features
- Be responsible for writing unit and integration tests
- Work together with the backend team to come up with requirements for an API
Ideal Requirements for the Senior/Staff/Principal Mobile (React Native) Engineer Vacancies:
- 3+ years of React Native experience
- 6+ years of React experience
- Strong UX design skills, problem solving, and troubleshooting skills.
- Ability to articulate the benefits and challenges of depending on front-end libraries, frameworks, and tool-sets
- Ability to write testable code
- Start-Up Experience - nice to have