Frontend Engineer - Mobile Experience [Fintech]

FitNext Co.-posted 3 months ago
$100,000 - $200,000/Yr
Full-time • Senior
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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.

  • 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.
  • 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.
  • Visa sponsorship to Dubai available
  • Remote work flexibility
  • Opportunity to work on a next-generation financial platform
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