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[Remote] Backend Engineer, Crypto

Work from home Full-time role Hiring

Note: The job is a remote job and is open to candidates in USA. OnePay is a consumer fintech company focused on improving financial services for Americans. As a Backend Engineer on the Crypto team, you will develop backend services for digital asset management, ensuring high standards of performance and security.

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
  • 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 Overview

  • From spending and saving to borrowing and building better financial habits, OnePay brings people’s financial needs together in one place. It is a sub-organization of Walmart. It was founded in 2020, and is headquartered in New York, New York, USA, with a workforce of 501-1000 employees. Its website is https://www.onepay.com.

Company H1B Sponsorship

  • OnePay has a track record of offering H1B sponsorships, with 3 in 2022. Please note that this does not guarantee sponsorship for this specific role.

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