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OnePay

Posted 27 Aug 2026

Senior Backend Engineer

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Employment
Full time
Team
Software Engineering
Posted
27 Aug 2026

About the role

Software Engineers at OnePay build the products and systems that serve our customers and run our company. Besides writing, reviewing, and shipping code, engineers collaborate with others across the company, from product, design, and data to customer support, ops, and compliance. Software Engineers at OnePay are highly technical, communicative, and emotionally intelligent.


Responsibilities:

  • Working closely with other engineers to ship code. We enjoy collaboration and partnering on hard problems.
  • Building and maintaining documentation. As a growing organization, having the necessary documents is key to our success.
  • Solving complex problems that arise at scale. We deal with real-world money movement and sensitive financial data at scale and are creating novel financial mechanics with no real precedent.


Requirements:

  • Proficiency in TypeScript and experience with the NestJS framework or other JavaScript/TypeScript stacks (e. g., Express, Node.js ) for building scalable, maintainable, and high-performance backend applications.
  • 4-6 years of professional experience building, shipping, and growing non-trivial products and services.
  • Professional experience building, shipping, and growing non-trivial products and services.

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