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.