FitNext Co.

Frontend Engineer - Mobile Experience [Fintech]

FitNext Co.

Senior Frontend Engineer

Posted 9 hours ago

Employment Type

Full Time

Location

Other

Experience

Senior, Lead

Benefits

Health InsuranceMedical InsuranceRelocation AllowanceVisa

Requirements

React Native, TypeScript, AWS Serverless, Blockchain, Stablecoins, Fintech apps, API Security, Real-time networking, AI Tools

Job Description

Responsibilities

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

Benefits

  • 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.
  • Visa sponsorship and relocation to Dubai available.

About the Company

We’re building a next-generation financial platform merging top-tier fintech infrastructure and AI-driven intelligence. Our product powers secure, global digital banking experiences (wallets, payments, transactions, dashboards, and smart financial assistance) in a fast and unified environment.

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) Job Type: Full-Time | Remote Salary: $100,000 – $200,000 USD per year

How to Apply

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