Note: The job is a remote job and is open to candidates in USA. OnePay is a consumer fintech trusted by millions of Americans to make money better. As a Backend Engineer on the Crypto Team, you will help define how customers buy and hold digital assets safely within the financial ecosystem, ensuring every experience meets high standards of trust, performance, and scalability.
Responsibilities
- Build and maintain backend services that enable our crypto product
- Design APIs and event-driven architectures to handle high-volume transaction processing securely and efficiently
- Partner with platform and infrastructure engineers to ensure scalability, observability, and resilience
- Contribute to documentation, tooling, and best practices that raise the bar across our engineering organization
Skills
- 5+ years of professional experience in backend or distributed systems development
- Experience with L2 blockchains
- Proven success building production-grade APIs and financial services at scale
- Proficiency in Node.js or similar modern backend frameworks (TypeScript, NestJS, Go, or Java)
- Familiarity with cloud-native architecture (Kubernetes, AWS) and event-driven or microservice-based systems
- Strong communication and collaboration skills across product and platform teams
- Drive and proactivity – everyone here is a builder and executor
Benefits
- Competitive base salary, stock options, and health benefits from Day 1
- 401(k) plan with company match
- Remote-friendly (US), flexible time off (FTO), and opportunities for growth
- A high-growth, mission-driven, inclusive culture where your work has real impact
Company Overview
Company H1B Sponsorship