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Member of Technical Staff, Backend Engineer, API

Runway· Engineering
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Remote$240k - $290knot explicitly specifiedPosted 11mo ago

About the role

Seeking an API engineer to build and scale core APIs for a high-traffic AI platform, focusing on performance, security, and developer experience.

Responsibilities

  • Own the full API lifecycle from design and implementation to monitoring, optimization, and documentation for both public and internal APIs
  • Design and implement async workflows for task orchestration, content moderation, prompt enhancement, and post-processing pipelines
  • Optimize database queries and improve performance for a high-traffic Postgres database
  • Build rate limiting, fraud detection, and credit management systems
  • Implement comprehensive API security, rate limiting, authentication, and monitoring systems to ensure reliability at scale
  • Improve the public API developer experience with better documentation, SDKs, and tooling
  • Improve the performance, reliability, and code quality of our codebases

Qualifications

  • 3+ years of industry experience building production APIs
  • Strong TypeScript experience
  • Experience owning systems end-to-end: infrastructure, monitoring, logging, metrics, incident response
  • Understanding of API design patterns, REST principles, and async workflows
  • Experience with relational databases (Postgres preferred) and query optimization
  • Experience architecting production-ready systems at scale using cloud primitives from AWS, GCP, or Azure
  • Ability to rapidly prototype solutions and iterate on them with tight product deadlines
  • Humility and open-mindedness

Skills

Required:API Design & DevelopmentTypeScriptDatabase OptimizationCloud InfrastructureAsync Workflows & System Architecture
Nice to have:Collaboration & Documentation
Last updated Apr 6, 2026. Interested? Apply on the company site.
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