xPay is a Y Combinator backed international payments company building an international payment gateway focused on cross-border payments making it dramatically easier for businesses to move money across borders. Our customers are B2B SaaS companies who need fast, reliable, and cost-effective payment infrastructure to serve global users.These businesses are increasingly moving their international volumes from billion dollar companies to xPay as we expand our footprint across 180+ countries and support 25+ currencies. Since January 2025, we have grown 73 and now process over 1 million transactions every month.
Cross-border payments is a $200 trillion market. Our top customers include Publicly Listed, Series D and Series E companies across various sectors like EdTech and Travelling processing millions through us every month.
The Role
Were looking for a Fullstack Engineer to build the systems and interfaces that power global transactions for thousands of merchants.
This is a hands-on role for someone who has thrived in an early-stage or small-team workplace and gets energized by shipping features that directly move revenue for businesses across the world.
What Youll Do
- Build the core services and interfaces that drive high-scale, global payment flows - owning features end-to-end from API to UI
- Work directly with product and design to ship features rapidly from idea to production, and contribute to refining our design system for visual consistency
- Design and ship frontend in React, TypeScript, Tailwind, and TanStack/React Query
- Design and ship production-grade backend services in Java, Spring Boot, and MongoDB
- Improve performance across the stack - from database queries and service latency to frontend rendering - through better patterns and architecture
What Were Looking For
- 5+ years of experience as a fullstack engineer, preferably at an early-stage startup or on a small team where you owned outcomes end-to-end
- Strong working knowledge of React, Type