Raydar
Senior Backend Software Engineer
$225K–$275K
San Francisco, California · Senior · Full-time · Posted Oct 12, 2026
- Experience
- 5 to 10 years of backend engineering experience; at least 12 months of professional generative AI or large language model application development.
- Education
- A formal university degree.
About the job
Leads backend engineering for a software platform, building scalable services and infrastructure for generative AI workflows, media pipelines, and live data.
What you'll do
- Design and build backend services and infrastructure for AI workflows, media generation, and live data.
- Own multi-service architecture and improve reliability through testing, performance measurement, and monitoring.
- Set engineering standards, mentor teammates, and collaborate to deliver features and APIs.
What they ask for
- Solid fundamentals in algorithms, data structures, and system design; experience building scalable backend systems involving large data volumes, search and retrieval, and background jobs.
- Professional hands-on use of TypeScript and AWS.
- At least 12 months of professional experience building applications on large language models or generative AI, including autonomous agent-style systems.
- Startup experience; a formal university degree; fluent English; and ability to work on-site in San Francisco five days a week as a local resident or to start immediately.
Nice to have
- Previous technical lead experience setting team direction and code standards.
Pay
USD 225,000 to 275,000 per year (base salary)
Tools
TypeScript, AWS
AI focus
Builds infrastructure for AI-driven workflows and develops applications using large language models or generative AI, including autonomous agent-style systems.
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