Software 53pw8C63 - AI Agents — San Francisco, CA

b4Q8MSK JcjM is partnering with an AI startup in San Francisco building agentic AI products from the ground up. They’re looking for a Software Engineer with hands-on agentic AI experience to join a small, high-calibre team working closely with the founders to shape both the product and technical direction of the company.

Backed by high profile VCs, alongside operators and investors from leading technology companies, the team is already working with customers and moving quickly toward the next stage of growth. This is a high ownership role with fast iteration and the opportunity to have a major impact on how the product and company evolve.

What You’ll Do

• Design, build and ship AI agents and agentic workflows from concept through production

• Develop the backend systems, orchestration and integrations that power agent behaviour

• Work with LLMs on tool use, reasoning, memory and evaluation to improve agent reliability

• Collaborate directly with the founders on product and technical decisions

• Help shape engineering culture and best practices from an early stage

• Move quickly and pragmatically in a fast-moving startup environment

What We’re Looking For

• 4+ years of software engineering experience, ideally within startup environments

• Hands-on experience building agentic AI systems or LLM-powered products in production

• Strong backend engineering skills, with the ability to work across the stack when needed

• Familiarity with agent frameworks, prompt engineering, evals and tool calling

• Experience with cloud infrastructure (GCP or AWS)

• Comfortable working in ambiguity and solving problems without perfect requirements

• Self-starter who takes ownership and gets things done

• Strong communication skills and collaborative mindset

Tech Stack

• Python + TypeScript

• React

• Postgres

• GCP or AWS

• OpenAI + Anthropic

Additional Details

• Onsite in San Francisco

• Small, highly technical engineering team

• $200k to $350k + meaningful equity