Senior Software Engineer, Web3 Initiatives (Backend-focused)
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 Acorn Pacific, Index Ventures and HashKey Capital, Reap is building the future of borderless, stablecoin-enabled finance.
About the Role
This is the first dedicated engineering role driving Reap's web3 technical initiatives for the Card product. You'll own the web3 capabilities and wallet infrastructure discovery — shaping how blockchain technology powers Reap's next generation of financial products. You'll work at the frontier of fintech × web3, building production-grade systems that move real money for real businesses.
If you want outsized ownership, direct impact on product direction, and the chance to define what web3 looks like inside a fast-scaling fintech, this is your role. What You’ll Do
Own CaaS web3 capabilities — build secure, scalable blockchain systems for card-as-a-service, asset management, and financial use cases
Lead wallet infrastructure discovery and development — architecting wallet solutions that support Reap's product roadmap
Build backend services (Node.js/TypeScript) to support on-chain functionality, working closely with backend engineering
Collaborate with product and business teams to translate ideas into clear, secure technical execution
Contribute to architecture decisions, code reviews, and security audits
Leverage AI tools and modern development practices to drive engineering efficiency and velocity
What We’re Looking For
5-8+ years in software development, ideally with backend engineering experience in Node.js/TypeScript and AWS (or similar cloud infrastructure)
Experience building wallet infrastructure (hot/cold wallet)
Strong product sense and ability to take end-to-end ownership of technical initiatives
Demonstrated use of AI tools to boost development efficiency
Clear communication, collaboration, and commitment to code quality
Fintech sector experience ideal
Nice to Have
Experience with DeFi protocols, cross-chain integrations, or account abstraction
3+ years building smart contracts on Solana (Rust) or Ethereum (Solidity), with strong expertise in at least one and openness to developing in a multi-chain environment
Knowledge of finance systems or payments products (especially card issuance or stablecoin-powered payments)
Startup experience where you've worn multiple hats
Your Adventure Benefits
A high-impact role in a rapidly growing fintech startup
Flexible hybrid work environment with a global, collaborative team
Insurance coverage after probation
Reap Card stipend
Use of AI tools at work — and the space to learn, experiment, and grow with them
A culture of innovation, inclusion, and continuous learning
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