Senior/Staff/Principal Mobile (React Native) Developer - New York - On-Site - Opportunity to join on

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 growthTheir network has already reached more than 4.5 million peopleThey have already acquired some smaller FintechsThey launched their new product in 2026About 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.• Write well designed, testable, efficient code• 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 APIIdeal Requirements for the Senior/Staff/Principal Mobile (React Native) Engineer Vacancies:3+ years of React Native experience6+ years of React experienceProven experience in React Native, TypeScript/JavaScript, Redux/Global state management frameworksStrong UX design skills, problem solving, and troubleshooting skills.Understanding of how to optimize the delivery of code and assets to a browser or deviceAbility to articulate the benefits and challenges of depending on front-end libraries, frameworks, and tool-setsAbility to write testable codeStart-Up Experience - nice to haveApply to the Role:Roles like these are snapped up very quickly, so act now if you do not want to miss out! Reply to this advert or email your CV to richard@weareorbis.com