Backend Software Engineer

We need a senior backend engineer with 5-10 years of experience who has hands-on industry experience building agentic systems and working with LLMs. You should be deeply technical — able to understand algorithms, data structures, and system design at a fundamental level — and have a proven track record at early-stage or high-growth startups. You'll serve as a technical lead and set the standard for engineering excellence on a small, high-caliber team.

Work experience

Experience building

scalable backend system s

(distributed systems, large- scale data processing, information retrieval, and asynchronous workflows, etc)

Education

Formal degree required; self- taught or bootcamp graduates are not accepted.

Hard skills

Industry experience with TypeScript & AWS

Industry experience designing and building agentic systems, LLMS / generative AI

(minimum 12 months)

Soft skills

Fluent in English

(reading, writing, and speaking)

Miscellaneous

Ability to work on- site 5 days a week in San Francisco, CA (local or immediate relocation only)

Does not require visa sponsorship

Baseline

Seniority

5 - 10 years of experience as a backend software engineer

Nice-to-have

Work experience

Prior work experience at early- stage or high- growth startups