Senior Product Engineer, Scalability

The role

You will architect and scale backend systems including billing, fraud detection, and high-throughput pipelines. This role involves owning work end-to-end from design to implementation and monitoring.

What you will do

• Architect and scale pipelines for real-time billing
• Build payment flows that are correct under concurrency and partial failure
• Develop fraud and abuse detection systems
• Scale systems including Postgres, Node.js services, and Temporal workflows
• Build TypeScript and GraphQL APIs
• Write Engineering Requirement Documents
• Contribute to open-source repositories
• Be oncall from time to time

Required qualifications

• Ability to autonomously lead, design, and implement backend systems
• Track record of scaling systems
• Deep expertise in Postgres and relational data modeling
• Strong working knowledge of Node.js internals
• Experience managing complex asynchronous and long-running backend jobs
• Familiarity with the realities of money movement
• Security and abuse-aware mindset
• Desire to be a part of the entire project development process
• Great written and verbal communication skills

Nice to have

• Rust experience
• Direct billing, payments, or fraud experience

Benefits

• Great salary
• Full health benefits including dependents
• Strong equity grants
• Equipment stipend

Before you apply

• Work on a small project to discuss in the interview

About the company

Railway aims to make software engineers higher leverage by providing powerful tools. The company powers workloads for millions of builders.