# Senior Backend Software Engineer > Raydar · San Francisco, United States · Full-time · Posted 2026-10-15 **Salary:** USD 200,000–300,000 **Workplace:** on_site ## Description About the company Our client is a consumer technology company. The role Raydar is recruiting for this role on behalf of our client. Lead backend and infrastructure work for a high-traffic consumer web platform, keeping services dependable and quick while building the systems behind new features. You will diagnose issues from the user-facing symptom to the root cause and own technical decisions on a very small team. What you'll do \- Build the infrastructure that supports new product features, including recommendation, model training and serving pipelines. \- Own production reliability through monitoring, logging, incident response and fixes that remove root causes. \- Tune the speed and fault tolerance of the API layer, data access, caching, asynchronous processing and live connections. \- Keep strengthening the existing stack, including protection against automated abuse. \- Make architecture and capacity decisions as usage grows, and shape how the team deploys, observes and recovers services. ## Requirements What we're looking for \- At least 4 years of software engineering experience, with a meaningful share spent on backend or infrastructure systems. \- Experience running significant backend systems in production, beyond writing the code. \- Strong skills in TypeScript/Node.js and PostgreSQL. \- Versatile enough to debug across multiple layers of a system, even in areas that are new to you. \- Comfort taking an ambiguous problem to a production fix with little direction on a small, high-ownership team. \- Able to work on-site 5 days a week. Bonus points \- Experience with NestJS, Redis or Kubernetes. \- Background in distributed systems or GPU infrastructure. ## Benefits Compensation and benefits \- Base salary: USD 200,000 to 300,000 per year \- Health, dental and vision coverage \- Retirement plan with employer match Location and work model \- San Francisco, CA, United States \- On-site, 5 days a week in office \- Full-time ## Apply [Apply at Raydar](https://apply.workable.com/raydar/j/6EEBE0675B/apply) --- Powered by [Workable](https://www.workable.com)