Platform Engineering Lead - Agentic AI, Equity (SF)

Open Select; San Francisco (CA); On-site; USD 180,000 - 300,000; Full time

Job summary

Open Select in San Francisco is seeking a senior platform engineer to own the AI-native platform core end to end, including runtime, orchestration, and integrations. You will lead a platform team as headcount grows, write production code, and shape architecture with executive leaders.

You will drive velocity, reliability and quality across tooling and observability, while building new initiatives from scratch and collaborating with the CEO/CTO on product direction.

Qualifications

• 10+ years of engineering experience.
• 4–6 years leading teams.
• Familiar with early-stage startups (seed/Series A/B).
• You still code and review PRs.
• Built/ship production agentic AI or voice AI systems.

Responsibilities

• Own the AI-native platform core end to end: agent runtime, LLM orchestration, retrieval, evals and integrations.
• Lead and grow a platform engineering team of four, with headcount expanding.
• Write production code, review PRs and make architecture calls.
• Drive velocity, reliability and quality across tooling, eval gates and observability.
• Build the agent-authorship platform and new initiatives from scratch.
• Work directly with the CEO and CTO on product releases and platform direction.

Skills

Agentic AI

LLMs

Distributed systems

Cloud architecture

ML infrastructure

LLM orchestration

Retrieval systems

API design

Observability

Education

BS in Computer Science

Job description

Open Select in San Francisco is seeking a senior platform engineer to own the AI-native platform core end to end, including runtime, orchestration, and integrations. You will lead a platform team as headcount grows, write production code, and shape architecture with executive leaders.

You will drive velocity, reliability and quality across tooling and observability, while building new initiatives from scratch and collaborating with the CEO/CTO on product direction.