Full Stack Engineer - React Native/Node.js (Web3 Greenfield Project)

About Reap

Reap is a global financial technology company headquartered in Hong Kong with employees across multiple countries. We enable financial connectivity and access for businesses worldwide by combining traditional finance with stablecoins for efficient money movement.

Through our stablecoin-powered corporate cards, payments, and expense management tools, we streamline financial operations and help businesses scale. Our APIs enable businesses to integrate stablecoin-enabled finance into their own products and services—from issuing Visa cards to facilitating cross-border payments.

Backed by leading investors including Index Ventures and HashKey Capital, Reap is building the future of borderless, stablecoin-enabled finance.

The Role

We’re looking for a Full Stack Engineer who’s fluent in React Native, TypeScript, Node.js and thrives in fast-moving, lean startup environments. You’ll own development end-to-end — from crafting smooth, responsive mobile experiences to building robust backend systems that power them.

You’ll play a key role in shaping a new financial product that blends Web2 reliability with Web3 innovation, bringing stablecoin-enabled credit cards and intelligent financial tools to a global audience.

This role is ideal for someone who loves shipping fast, solving problems across the stack, and working closely with design and product in a small, high-trust team.

What You’ll Do

• Build and maintain mobile applications using React Native with a focus on performance and user experience.
• Design and implement backend systems using Node.js and TypeScript for APIs, data flows, and business logic.
• Collaborate closely with product and design to turn concepts into working, user-ready features.
• Operate like an owner: make decisions, prioritize well, and ship quickly without sacrificing quality.
• Work across the stack to ensure seamless communication between frontend and backend systems.
  
  

What We’re Looking For

• 5–8 years of professional software engineering experience.
• Strong expertise in React Native (mobile app architecture, performance, debugging).
• Deep backend experience with Node.js / TypeScript, and RESTful API design.
• Proven ability to deliver quickly in lean, high-velocity teams.
• A “builder” mindset — proactive, resourceful, and comfortable with ambiguity.
  
  

Nice to Have

• Interest in AI and how it can enhance financial or operational products.
• Curiosity about fintech, DeFi, or the Web2 Web3 intersection.
• Familiarity with Web3 libraries
  
  

Our Stack

• Frontend: React Native (Expo) app styled with Tailwind CSS and built on the Gluestack UI component library
• Data Layer: TanStack Query for efficient data fetching and client-side state management via REST APIs
• Backend: Serverless Node.js architecture using NestJS for API services and asynchronous job handling on AWS Lambda
• Database: PostgreSQL as the primary relational datastore
• Infrastructure: Fully deployed and managed on AWS with Terraform for infrastructure as code
• Tooling: Modern developer stack including GitHub, Slack, Notion, Linear, and Graphite
  
  

Why Join Us

• High Ownership: You’ll have real influence on product architecture and experience.
• Lean & Fast: No red tape — work directly with founders and ship product fast.
• Cross-Domain Learning: Blend fintech, mobile, AI, and Web3 technologies in one stack.
• Meaningful Impact: Build products that bring crypto-native finance to real-world users.
• Incubated within Reap: Operate within a trusted fintech company while enjoying the autonomy of a startup.
  
  

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