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OnePay · 2 hours ago

Backend Engineer- Crypto

United States

Full-time

Remote

Senior Level

5+ years exp

OnePay is an all-in-one financial platform focused on improving financial accessibility for unbanked and underbanked Americans. As a Backend Engineer on the Crypto Team, you will build and maintain backend services for the crypto product, ensuring secure and efficient transaction processing while collaborating with platform and infrastructure engineers.

Financial Services

Comp. & Benefits

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

Qualification

Backend developmentAPI designNode.jsCloud-native architectureEvent-driven systemsProactivityCommunication skillsCollaboration skills

Required

5+ years of professional experience in backend or distributed systems development

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

Company

OnePay

We believe the future of financial services is meeting consumers where they already are — in their daily lives, workplaces, and communities nationwide.

Founded in 2022

New York, NY, US

501-1000 employees