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Senior Full Stack Engineer / AI-Powered Fintech

EER Poland

Remote

AED 367,000 - 515,000

Full time

2 days ago
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Job summary

A fintech innovator is seeking a Senior Engineer to develop pixel-perfect mobile applications in React Native. The role entails delivering secure financial applications and integrating advanced AI-driven tools to enhance development practices. Candidates should possess 10+ years of experience, including expertise in TypeScript and mobile fintech apps. This position offers the opportunity to solve challenging problems in fintech UX and work within a remote-first, senior team dedicated to innovation.

Qualifications

  • 10+ years of engineering experience, including 5+ in mobile fintech apps.
  • Proven ability to deliver secure, complex financial applications with beautiful UI.
  • Strong understanding of real-time networking (WebSockets, SSE).

Responsibilities

  • Build production-ready, pixel-perfect UI in React Native + Expo.
  • Own and deliver core neobank features: wallets, payments, transaction histories.
  • Integrate stablecoin payment flows focusing on security.

Skills

React Native + Expo
AI development tools
TypeScript
Secure authentication
Financial applications
Real-time networking
Blockchain transactions
Job description
What You’ll Do:
  • Build production-ready, pixel-perfect UI in React Native + Expo using Tamagui and Style Dictionary
  • Own and deliver core neobank features: wallets, payments, transaction histories, onboarding, notifications
  • Develop and maintain scalable serverless APIs with AWS Lambda, API Gateway, DynamoDB, Kinesis, EventBridge
  • Integrate stablecoin and blockchain payment flows with a focus on security and compliance
  • Implement real-time features using WebSockets and SSE, including AI-driven chat and streaming UX
  • Optimize for performance (Hermes, Reanimated, FlashList) and observability (Sentry, Better Stack)
  • Collaborate with design teams using Figma → tokens → Tamagui workflows
  • Actively leverage AI development tools (Claude, Cursor, MCP integrations) to accelerate coding, testing, and prototyping
  • Contribute to our AI-assisted engineering culture, exploring and integrating new tools to increase velocity
  • Mentor teammates and help define engineering standards for AI + fintech development
🎯 What We’re Looking For:
  • 10+ years of engineering experience, including 5+ years in mobile fintech apps
  • Proven ability to deliver secure, complex financial applications with beautiful UI
  • Mastery of React Native + Expo and a strong eye for pixel-perfect UX
  • Full stack proficiency in TypeScript, including serverless AWS backends
  • Experience with secure authentication (Cognito, JWT, device secrets) and financial-grade data handling
  • Familiarity with stablecoins, blockchain transactions, or payments APIs
  • Strong understanding of real-time networking (WebSockets, SSE)
  • Comfortable using AI tooling in daily development — ideally already working with Claude, Cursor, or AI-assisted IDEs
  • Passionate about pushing the frontier of AI-driven software development
🌟 Why Join Us:
  • Build a world-class whitelabel neobank with AI at its core
  • Work in a modern TypeScript stack across frontend and backend
  • Help shape the future of AI-assisted engineering — we’re not just using AI, we’re pioneering how it’s done
  • Solve hard problems in fintech UX, payments, real-time systems, and blockchain
  • Join a remote-first, senior team where ownership, polish, and innovation come first
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