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180 founding engineer jobs at 100 companies in Concord, CA

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Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
3mo
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Founding Engineer
San Francisco, California, United States
OnsiteFull Time
Chasi
Chasi: AI revenue engine for construction equipment dealers.
2+ YOE2+ years production software experience; full-stack TS/React; real-time systems; experience with LLMs; customer-facing; founding-level ownership.
Next.js, TypeScript, PostgreSQL, Redis, Twilio, LiveKit, OpenAI, Anthropic, Deepgram, Vector DBs
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3mo
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Founding Engineer
Palo Alto, California, United States
OnsiteFull Time
Miravoice
Miravoice: AI-powered voice agents for automated phone data collection.
Generalist founding software engineer with frontend/backend, distributed systems, or AI/ML focus; startup experience; strong learning and collaboration; in-person in Palo Alto.
Frontend, Backend, Distributed Systems, AI/ML, Speech Systems
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2mo
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Founding Engineer
San Francisco, California, United States
$205k-$250k/yr OnsiteFull Time
Kiloforge
Kiloforge: Autonomous factory ideating and building software products.
Generalist engineer with end-to-end product focus, scrappy, able to build widely-used tools, strong product/design sense, thrives in chaos, prior founding experience.
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1mo
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Founding Engineer
San Francisco, California, United States
$175k-$225k/yr OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
2+ YOEComputer Science degree required, 2+ years professional software engineering experience, strong CS fundamentals, startup experience valued, proficiency in Python (typed scientific Python).
Python
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Founding Engineer
San Francisco, California, United States
$180k-$300k/yr OnsiteFull Time
Foresight Health
Foresight Health: Providing AI-enabled chronic care management services for specialty clinics.
Senior IC with full-stack depth, backend/databases/security, infra; production deployment of LLMs; startup mindset.
AWS, Databases, Security, Infrastructure, Machine Learning
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2mo
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Founding Engineer
San Francisco, California, United States
$100k-$150k/yr OnsiteFull Time
Cascade
Cascade: AI-powered bidding and project management for construction and infrastructure.
Experience with LLMs; ownership of full stack; in-person in SF; US work authorization.
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2mo
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Founding Software Engineer
San Francisco, California, United States
$150k-$250k/yr OnsiteFull Time
Tamarind Bio
Tamarind Bio: AI-powered platform for computational biology and drug discovery.
Founding software engineer with full-stack expertise; strong AWS, Docker, CUDA, TensorFlow/PyTorch; React; onsite in SF; equity.
Python, React, AWS, Docker, CUDA, Conda, TensorFlow, PyTorch, Slurm, Bash, APIs, Web apps
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2mo
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Founding Design Engineer
San Francisco, California, United States
$160k-$200k/yr RemoteFull Time
Lunon
Lunon: AI-native platform providing automated consulting and diligence services.
Strong design and engineering skills; proven ability to prototype and ship; excellent communication and empathy.
Framer, Figma, Claude Design, Claude Code, Cursor
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Founding Engineer
San Francisco, California, United States
$120k-$160k/yr OnsiteFull Time
Aurorin
Aurorin: Modern AI-native CAD software for mechanical engineers
Strong systems programming/native app background, experience with Swift and C++, GPU programming experience preferred, proactive and high-responsibility engineer.
Swift, C++
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2mo
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Founding Engineer
San Francisco, California, United States
HybridFull Time
Double Blind Bio
Double Blind Bio: Develops AI agents automating administrative clinical trial workflows.
Strong full-stack engineering with deep AI/ML expertise; evals, observability, production LLMs; product-minded; healthcare familiarity; fast-paced, autonomous work.
LangSmith, Braintrust, Weights & Biases, Honeyhive
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Founding Engineer
Palo Alto or California
$140k-$200k/yr OnsiteFull Time
TrueMeter
TrueMeter: AI-powered platform for commercial energy savings and bill management.
Experienced full-stack engineer with production experience in TypeScript/React/Next.js, backend APIs and Postgres, desktop/web (Electron or Tauri), LLM features in production, CI/CD, testing, observability, and customer-facing product work.
TypeScript, React, Next.js, Postgres, Electron, Tauri, Claude Code, Codex, CI/CD, GitHub, LLM
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3mo
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Founding Engineer, Agentic Systems
San Francisco, California, United States
OnsiteFull Time
Champ AI
Champ AI: A startup building AI-powered autonomous agents for enterprise.
Experience shipping AI agents to production or in agent/frameworks; strong knowledge of LLM tool-use, memory, and sandboxed execution; ability to own backend components end-to-end.
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2mo
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Founding AI Engineer
San Francisco, California, United States
$120k-$180k/yr OnsiteFull Time
Bild AI
Bild AI: AI-powered platform for construction blueprint analysis and cost estimation.
Applied CV/ML experience; 0-to-1 builder; growth mindset; strong communication.
Computer Vision, Large Language Models, Multimodal AI, Production ML
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3mo
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Founding Engineer
San Francisco, California, United States
$200k/yr OnsiteFull Time
Prox
Prox: Develops AI-powered knowledge engines and multimodal agents for complex physical products.
Experience building AI systems, knowledge graphs, and scalable deployments; strong coding and problem solving; willingness to work onsite in SF.
Graph theory, Knowledge graph, Telephony, Code generation, Multimodal AI
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1mo
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Founding Software Engineer - Backend
San Francisco, California, United States
$125k-$300k/yr OnsiteFull Time
Hypercubic
Hypercubic: AI platform for modernizing large-scale legacy enterprise software.
0+ YOEFounding backend engineer with strong engineering and design taste; ownership over architecture and engineering culture. Experience with AI-powered systems and legacy modernization is a plus.
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3mo
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Founding Forward Deployed Engineer
San Francisco, California, United States
OnsiteFull Time
Sphere
Sphere: AI-powered global tax compliance and automated filing software.
Experience in an FDE or customer-facing engineering role. End-to-end delivery of bespoke customer features. Ownership, curiosity, strong communication, customer obsession, and high attention to detail.
Python, Django, React
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2mo
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Founding Engineer - Software
San Francisco or United States
$200k-$350k/yr RemoteFull Time
uRun
uRun: Infrastructure cloud for interactive, stateful AI inference.
7+ YOE7+ years backend experience; proficient in TypeScript/Node.js or Python/Go; API design, distributed systems; cloud, containers, performance, and concurrency; real-time/latency-sensitive systems.
TypeScript, Node.js, Python, Go, WebRTC, WebSockets, Kubernetes, Observability, Cloud, Containers
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Founding Software Engineer
San Francisco, California, United States
$160k-$300k/yr OnsiteFull Time
Lance
Lance: Autonomous AI agents for hotel operations and guest services.
Proficient in software development; experience with ML/AI; design scalable systems; strong collaboration; startup mindset; BS or higher in CS/Engineering.
Python, JavaScript, Cloud infrastructure, Deployment pipelines, Machine Learning
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3mo
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Founding Marketer
San Francisco, California, United States
OnsiteFull Time
Ranger
Ranger: AI-powered platform for automated software testing and QA.
Founding marketer responsible for building Ranger's growth engine, ownership of content, channels, and experiments; strong writing and technical aptitude; based in San Francisco or willing to relocate.
Playwright, CI/CD, GitHub, content tooling, SEO
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2mo
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Founding Platform Engineer
San Francisco, California, United States
$170k-$250k/yr HybridFull Time
Kos
Kos: AI-powered automated financial operations for industrial infrastructure.
2+ YOE2+ years of production systems experience; shipped systems; on-call experience; SOC 2 awareness; strong CS/EE foundations.
Identity and RBAC, ERP integrations, Multi-channel messaging, Observability
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