Founding Engineer Jobs in San Francisco

Founding engineers are the first engineering hires at early-stage startups. They build products from zero, own the full stack, and shape the technical direction of the company. These positions are based in San Francisco, at the heart of the startup ecosystem.

331 jobs found

1.	Founding Engineer ($150k-$250k + Equity) at Toolkit (Jack & Jill) San Francisco, California, United States \| $150,000 – $250,000/yr \| hybrid \| full-time \| lead \| system design, scalability, agent orchestration \| Yesterday
2.	Founding Engineer ($180K–$220K + 0.5%–2% Equity) at Fig AI (Jack & Jill) San Francisco, California, United States \| $180,000 – $220,000/yr \| hybrid \| full-time \| lead \| gemini, anthropic, kotlin \| 2d ago
3.	Founding Engineer (Full Stack) (Capital City Talent Solutions) San Francisco, California, United States \| $200,000 – $250,000/yr \| on-site \| full-time \| lead \| typescript, node.js, backend \| 2d ago
4.	Founding Engineer ($140K-$180K + Equity) at Nero (Jack & Jill) San Francisco, California, United States \| $140,000 – $180,000/yr \| on-site \| full-time \| executive \| typescript, react, node.js \| 4d ago
5.	Founding Engineer at Cascade (Jack & Jill) San Francisco, California, United States \| on-site \| full-time \| executive \| full-stack engineering, AI, data ingestion \| 4d ago
6.	Founding Engineer at Tightrope AI, Inc. (Jack & Jill) San Francisco, California, United States \| $160,000 – $250,000/yr \| hybrid \| full-time \| executive \| python, react, backend systems \| 5d ago
7.	Founding Engineer ($170k-$350k + Equity) at well-funded AI infrastructure startup (Jack & Jill) San Francisco, California, United States \| $170,000 – $350,000/yr \| hybrid \| full-time \| lead \| distributed systems, typescript, kubernetes \| 5d ago
8.	Founding Engineer (Competitive + Equity) at Stealth (Jack & Jill) San Francisco, California, United States \| $150,000 – $180,000/yr \| on-site \| full-time \| lead \| node.js, python, supabase \| 5d ago
9.	Founding Engineer ($225k+ + Equity) at well-funded healthcare AI startup (Jack & Jill) San Francisco, California, United States \| $225,000/yr \| hybrid \| full-time \| lead \| gpu/cuda acceleration, distributed systems, rag/llm pipelines \| 5d ago
10.	Founding Engineer (Multifactor) San Francisco, California, United States \| $145,000 – $195,000/yr \| on-site \| full-time \| lead \| oauth, fido2, webauthn \| 6d ago
11.	Founding Engineer (Storm2) San Francisco, California, United States \| $200,000 – $250,000/yr \| hybrid \| full-time \| lead \| node.js, typescript, aws \| 6d ago
12.	Founding Engineer - AI ($200K+ + Equity) at Muro AI (Jack & Jill) San Francisco, California, United States \| $200,000/yr \| hybrid \| full-time \| lead \| python, fastapi, celery \| 6d ago
13.	Founding Engineer (Replicas) San Francisco, California, United States \| $150,000 – $250,000/yr \| on-site \| full-time \| lead \| ai, software engineering, product development \| 1w ago
14.	Founding Engineer (10x Science) San Francisco, California, United States+1 \| $150,000 – $240,000/yr \| on-site \| full-time \| lead \| rust, c++, go \| 1w ago
15.	Founding Engineer (Arcadia) San Francisco, California, United States \| hybrid \| full-time \| lead \| react, typescript, python \| 1w ago
16.	Founding Engineer (Frontend) (Momentic) San Francisco, California, United States \| $150,000 – $220,000/yr \| on-site \| full-time \| lead \| typescript, react, next.js \| 1w ago
17.	Founding Engineer (Arcadia) San Francisco, California, United States \| on-site \| full-time \| lead \| react, python, aws \| 1w ago
18.	Founding Engineer at Quest AI (Jack & Jill) San Francisco, California, United States \| hybrid \| full-time \| executive \| llms, agents, memory orchestration \| 1w ago
19.	Founding Engineer ($180K-220K + Equity) at Corveris (Jack & Jill) San Francisco, California, United States \| $180,000 – $220,000/yr \| hybrid \| full-time \| senior \| react, node, python \| 1w ago
20.	Founding Engineer (Nohi) San Francisco, California, United States \| on-site \| full-time \| entry \| typescript, react, next.js \| 1w ago
21.	Founding Engineering Lead (AnswerThis) San Francisco, California, United States \| $170,000 – $240,000/yr \| on-site \| full-time \| lead \| ai agent systems, technical architecture, product development \| 1w ago
22.	Founding Engineer (Ruby) (Finta) San Francisco, California, United States \| $150,000 – $250,000/yr \| on-site \| full-time \| lead \| ruby on rails, hotwire, stimulus \| 1w ago
23.	Founding Engineer (Full-Stack) (Uplane) San Francisco, California, United States \| $150,000 – $200,000/yr \| on-site \| full-time \| lead \| node.js, typescript, nuxt \| 1w ago
24.	Founding Engineer (Systems + ML) (Partcl) San Francisco, California, United States \| $130,000 – $300,000/yr \| on-site \| full-time \| lead \| pytorch, cuda, gpu profiling \| 1w ago
25.	Founding Engineer (EffiGov) San Francisco, California, United States \| $100,000 – $200,000/yr \| on-site \| full-time \| lead \| python, fastapi, typescript \| 1w ago
26.	Founding Engineer (Temper) San Francisco, California, United States \| $150,000 – $250,000/yr \| on-site \| full-time \| lead \| typescript, effect, bun \| 1w ago
27.	Founding Engineer (Back-end) (Stealth Startup) San Francisco, California, United States \| on-site \| full-time \| lead \| backend engineering, apis, databases \| 1w ago
28.	Founding Engineer (Asendia AI) San Francisco, California, United States \| $150,000 – $180,000/yr \| on-site \| full-time \| lead \| python, fastapi, websockets \| 1w ago
29.	Founding Engineer at Kastle (S24) (Kastle) San Francisco, California, United States \| $150,000 – $210,000/yr \| remote \| full-time \| lead \| python, asyncio, fastapi \| 1w ago
30.	Founding Engineer (Replicas) San Francisco, California, United States \| on-site \| full-time \| entry \| ai agents, software engineering, product development \| 1w ago
31.	Founding Engineer (Lance) San Francisco, California, United States \| $70,000 – $120,000/yr \| on-site \| full-time \| lead \| product development, infrastructure, ai \| 1w ago
32.	Founding Engineer, Agentic Commerce (Wildcard) San Francisco, California, United States \| $130,000 – $225,000/yr \| on-site \| full-time \| lead \| typescript, node.js, express.js \| 1w ago
33.	Founding Engineer (Wildcard) San Francisco, California, United States \| $125,000 – $225,000/yr \| on-site \| full-time \| lead \| typescript, node.js, express \| 1w ago
34.	Founding Engineer (Telemetron) San Francisco, California, United States \| $120,000 – $180,000/yr \| on-site \| full-time \| lead \| full-stack development, ai, llms \| 1w ago
35.	Founding Engineer (CodeRise Talent) San Francisco, California, United States \| $230,000 – $300,000/yr \| hybrid \| full-time \| lead \| ai agent systems, tool use, multi-step reasoning \| 1w ago
36.	Founding Engineer (Python, Typescript, React) (Trinity Consulting Group) San Francisco, California, United States \| $150,000 – $180,000/yr \| remote \| full-time \| lead \| python, typescript, react \| 1w ago
37.	Founding Engineer - AI Powered Financial Platform (Andiamo) San Francisco, California, United States \| hybrid \| full-time \| lead \| python, typescript, go \| 1w ago
38.	Founding Engineer (AI-Native) (AI Fund) San Francisco, California, United States \| hybrid \| full-time \| entry \| shopify app development, storefront widget development, ai extraction pipeline \| 1w ago
39.	Founding Engineer (Deeptrace) San Francisco, California, United States+1 \| $100,000 – $200,000/yr \| on-site \| full-time \| entry \| 2w ago
40.	Founding Engineer - Full Stack (Unusual) San Francisco, California, United States \| $150,000 – $250,000/yr \| on-site \| full-time \| entry \| react, python, terraform \| 2w ago
41.	Founding Engineer (Scorecard AI) San Francisco, California, United States \| $175,000 – $280,000/yr \| on-site \| full-time \| lead \| typescript, node.js, next.js \| 2w ago
42.	Founding Engineer (Data Science & Applied ML) (Kita) San Francisco, California, United States \| $150,000 – $220,000/yr \| on-site \| full-time \| lead \| machine learning, data science, applied ml \| 2w ago
43.	Founding Engineer (SF, On-site) (Caddie AI) San Francisco, California, United States \| $150,000 – $180,000/yr \| on-site \| full-time \| lead \| python, typescript, react \| 2w ago
44.	Founding Engineer (Lucent) San Francisco, California, United States \| $120,000 – $160,000/yr \| hybrid \| full-time \| lead \| backend engineering, infrastructure engineering, query optimization \| 2w ago
45.	Founding Engineer (Mendral) San Francisco, California, United States \| $180,000 – $220,000/yr \| on-site \| full-time \| lead \| ai coding agents, prompt engineering, context management \| 2w ago
46.	Founding Engineer, Full Stack (Cloudglue) San Francisco, California, United States+1 \| $120,000 – $250,000/yr \| remote \| full-time \| lead \| react, typescript, next.js \| 2w ago
47.	Founding Engineer (Cardinal) San Francisco, California, United States \| $200,000 – $250,000/yr \| on-site \| full-time \| lead \| typescript, react, next.js \| 2w ago
48.	Founding Engineer (Unity Mobile) (Pax Historia) San Francisco, California, United States \| $150,000 – $215,000/yr \| on-site \| full-time \| lead \| unity, ios, android \| 3w ago
49.	Founding Engineer (ZeroEntropy) San Francisco, California, United States \| $130,000 – $200,000/yr \| on-site \| full-time \| lead \| rust, c++, python \| 3w ago
50.	Founding Engineer (Trelium) San Francisco, California, United States+2 \| $125,000 – $150,000/yr \| remote \| full-time \| lead \| agentic workflow frameworks, communication infrastructure, ai agent sdks \| 3w ago

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Founding Engineer Jobs in San Francisco

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