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Senior Full Stack Engineer / AI-Powered Fintech

  • Full Time
  • Anywhere

EER Poland

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

Originally posted on Himalayas

To apply for this job please visit himalayas.app.

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The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic consisting of 50 states and a federal capital district, Washington, D.C. The 48 contiguous states border Canada to the north and Mexico to the south, with the semi-exclave of Alaska in the northwest and the archipelago of Hawaii in the Pacific Ocean. The United States also asserts sovereignty over five major island territories and various uninhabited islands in Oceania and the Caribbean. It is a megadiverse country, with the world's th

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