Senior Backend Software Engineer

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