over 1 year ago
Singapore, SingaporeMid Level / Senior / Staff+
Responsibilities
- Design and scale SDK software that powers Checkout across web2 and web3 environments.
- Build high-performance, reliable, secure, and accessible software for on-chain payments.
- Work across the stack and collaborate with protocol, backend, and business teams.
- Develop tools that scale globally and improve onboarding, account access, money movement, and product experience.
- Contribute to products from 0 to 1 in an ownership-heavy, fast-paced environment.
Requirements
- 3+ years of engineering experience with JavaScript, TypeScript, and modern frameworks.
- Strong full-stack development experience, including React and backend APIs.
- Attention to detail in product design and user interaction.
- A proven track record building scalable, high-performance software.
- Blockchain, EVM-compatible networks, payments, SDKs, crypto systems, open-source projects, or developer tools are valued as additional experience.
Benefits
- Opportunity to shape the future of payments and programmable money.
- Work with bleeding-edge technology in a fast-moving domain.
- Join a mission-driven team focused on access, openness, and trust.
- Collaborate with protocols, builders, and financial infrastructure providers.
- Make a meaningful contribution to products that ship quickly and matter.
Tech Stack
Categories
Product Engineering
About fun.xyz
Fun.xyz builds crypto payment infrastructure and developer tools—APIs, SDKs, and checkout—to let companies accept and send onchain payments across assets and blockchains. It sells enterprise-grade payments and wallet services to fintechs, consumer apps, and marketplaces, with usage-based and transaction fees. Privately held and headquartered in New York, it raised a Series A in 2026.