Frontend Engineer - Mobile Experience [Fintech]

FitNext Co.

Frontend Engineer - Mobile Experience [Fintech]

Remote,
Full Time
Paid
  • Responsibilities

    Very Senior Frontend Engineer - Mobile Experience

    Important: Only candidates with an active and up-to-date LinkedIn profile will be considered.

    Locations: United Arab Emirates, United States, United Kingdom, China, India, Poland, Portugal (Remote)
    Relocation: Visa sponsorship to Dubai available
    Salary: $100,000 – $200,000 USD / FTE
    Job Type: Full-Time | Remote

    About the Company

    We're building a next-generation financial platform designed to bring together the best of modern fintech infrastructure and AI-driven intelligence. Our product powers digital banking experiences, including wallets, payments, transactions, dashboards, and smart financial assistance, in a fast, secure, and global environment.

    Role Summary

    We are seeking a very senior Frontend Engineer (with strong full-stack skills) to build and scale world-class mobile financial applications. You'll be working at the intersection of fintech, blockchain, and AI - delivering flawless UI/UX, crafting secure APIs, and accelerating development using cutting-edge AI tools.

    This role is ideal for someone who thrives in fast-moving, high-ownership environments.

    Key Responsibilities

    • Develop production-grade, pixel-perfect UIs in React Native + Expo , using Tamagui + Style Dictionary for design consistency.

    • Own critical features including: wallets, payments, onboarding, notifications, and transaction histories.

    • Build and maintain scalable serverless APIs (Lambda, API Gateway, DynamoDB, Kinesis, EventBridge).

    • Integrate stablecoin / blockchain payment flows with regulatory-grade security.

    • Implement real-time experiences with WebSockets and SSE, including AI-driven chat and streaming UX.

    • Optimize performance (Hermes, Reanimated, FlashList) and ensure high observability (Sentry, Better Stack).

    • Collaborate closely with design using Figma → Tokens → Tamagui workflows.

    • Actively leverage AI development tools (Claude, Cursor, MCP integrations) to accelerate delivery.

    • Contribute to AI-assisted engineering best practices and mentor other engineers.

    Requirements

    • 10+ years of professional engineering experience, with 5+ years building mobile fintech apps.

    • Proven track record delivering complex, secure financial products with high-quality UX/UI.

    • Expert-level proficiency in React Native + Expo.

    • Solid full-stack background with TypeScript and serverless AWS architecture.

    • Strong understanding of secure authentication (Cognito, JWT, device secrets) and data protection.

    • Experience with stablecoins , blockchain transactions, or payment API integrations.

    • Strong knowledge of real-time networking (WebSockets, SSE).

    • Comfortable using AI tools in day-to-day development.

    • Passion for innovation and setting new standards in AI-driven software engineering.

    Why Join Us

    • Build a world-class, AI-powered fintech platform.

    • Work in a modern, unified TypeScript stack.

    • Shape the future of AI-driven engineering.

    • Tackle complex problems in fintech UX, payments, real-time systems, and blockchain.

    • Join a senior, remote-first team that values ownership, quality, and innovation.

    Interview Process (No live coding)

    1. Introductory conversation with CTO and Head of Engineering

    2. Technical interview and take-home assessment (45–60 min)