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3,067 ai engineer jobs at 934 companies in Fairfield, CA

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AI Engineer
San Francisco, California, United States
$160k-$180k/yr OnsiteFull Time
Unlearn.AI
Unlearn.AI: AI-driven clinical-trial technology helping biopharmaceutical teams design, monitor, and analyze trials with digital twins.
2+ YOEBachelor's degree in a relevant quantitative field, healthcare or clinical machine learning experience, 2+ years developing AI agents and tools, AI systems experience, AWS experience, and successful industry AI project execution.
AWS
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AI Engineer
London or San Francisco or Jaipur
RemoteFull Time
Certa
Certa: Private AI-powered third-party risk platform helping enterprises manage vendor compliance, risk, and ESG.
3+ YOE3+ years backend engineering with expert Python, production LLM/RAG/agent experience, cloud deployment (AWS), prompt engineering, and system design.
Python, AWS, Terraform, CDK, LangChain, LlamaIndex, Pinecone, Chroma, Milvus, Postgres, OpenSearch, S3, DynamoDB, ECS, EKS, Lambda, API Gateway, ALB, SQS, SNS, Step Functions, KMS, VPC
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2mo
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Applied AI Engineer
San Francisco, California, United States
OnsiteFull Time
Magic Patterns
Magic Patterns: Private AI design tool helping product teams prototype software, test ideas, and generate production-ready UI.
Experience using AI tools, working with AI models or agents, and building evaluation systems, post-training, or context engineering; strong first-principles problem-solving skills.
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Forward Deployed AI Engineer
Foster City, California, United States
$140k-$160k/yr OnsiteFull Time
Bertram Capital
Bertram Capital: Private equity firm investing in lower-middle-market companies and providing growth and technology support to portfolio businesses.
0+ YOE0–2 years of experience; BS or MS, preferably in engineering; strong engineering mindset and interest in business, operations, and investing; AI technology knowledge; excellent communication and collaboration skills.
Large Language Models
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AI Agent Engineer
San Francisco, California, United States
$120k-$200k/yr OnsiteFull Time
Simple AI
Simple AI: Voice AI platform helping consumer brands automate inbound and outbound B2C phone calls.
1+ YOERequires 1–3 years of relevant experience, strong problem-solving and communication skills, customer focus, independence, and interest in AI advancements. Prompt engineering and AI platform experience preferred.
TypeScript, React, Python, Ruby on Rails, PostgreSQL, AWS
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Senior AI Engineer — Agents
San Francisco, California, United States
HybridFull Time
Mira Mace
Mira Mace: AI-assisted healthcare navigation helping Medicare beneficiaries with appointments, insurance, care coordination, and medical bills.
Experience building and shipping LLM-powered systems or agents, strong AI fluency (prompting, retrieval, evaluation), production monitoring, and solid software engineering practices.
Python, TypeScript, FastAPI, Next.js, Postgres
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Senior / Staff AI Engineer
New York City or San Francisco
HybridFull Time
Snorkel AI
Snorkel AI: The frontier AI data lab helping teams build the data and environments behind high-performing frontier and agentic AI.
5+ YOERequires 5+ years building production software, strong Python, distributed systems and cloud experience, AI/ML infrastructure expertise, production APIs, and leadership of complex engineering initiatives.
Python, AWS, Prefect, Airflow, Dagster, Ray, Kubernetes
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2w
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Sr. AI Engineer
San Francisco, California, United States
$165k-$266k/yr HybridFull Time
DocuSign
DocuSignNASDAQ: DOCU: Provides intelligent agreement management and e-signature software solutions.
8+ YOEBachelor's or Master's in Engineering, Computer Science or related field; 8+ years Intelligent Automation experience; certifications in Agentic platforms, Python, AI/ML or cloud; experience with Agentic AI, Python, SQL, OCR, AI/ML, RAG, Azure, Jira, Confluence, GitHub, REST APIs, MCP servers, SOX compliance.
AWS, GEAP, UiPath, CREW AI, Microsoft Power Automate, Azure AI, Document Intelligence, Python, SQL, VB Scripting, OCR, AI/ML, RAG, Jira, Confluence, GitHub, REST APIs, MCP servers, Salesforce, Oracle ERP, OIC, Mulesoft, Slack
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AI Engineer
San Francisco, California, United States
OnsiteFull Time
Pi Security
Pi Security: Private cybersecurity startup providing an agentic product security platform that helps organizations detect, fix, and prevent vulnerabilities.
2+ YOE2+ years building AI systems with LLMs, 1+ year building AI agents, strong software engineering experience, and ability to work in person in San Francisco five days per week.
TypeScript, React
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AI Engineer
San Francisco, California, United States
$175k-$190k/yr HybridFull Time
Baseten
Baseten: Private AI infrastructure provider that trains, deploys, and serves artificial-intelligence models for businesses.
3+ YOERequires 3+ years in AI or automation engineering, production agents on Vercel, AI coding assistant fluency, CRM experience, end-to-end workflow ownership, automation platform and API/webhook proficiency.
Vercel, Claude Code, Cursor, Codex, Salesforce, n8n, Zapier, Make, Workato, BigQuery, Databricks, Sigma, Hex, Gumloop, Notion Agents, Vercel AI SDK, Claude Agent SDK, Mastra, CRM, API, webhooks, Microsoft 401(k)
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AI Engineer - Tools
San Francisco, California, United States
OnsiteFull Time
Arcade
Arcade: Private AI product-creation marketplace helping consumers design custom jewelry, accessories, and home decor with independent makers.
4+ YOE4+ years engineering experience, strong Python and Typescript, experience building and consuming APIs, testing mindset, comfortable with ambiguity, desire to ship.
Python, Typescript, LangChain, LlamaIndex, MCP (Model Context Protocol)
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3mo
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AI Support Engineer Lead
Paris or San Francisco or New York City
€100k-€160k/yr OnsiteFull Time
Dust
Dust: Enterprise AI software helping organizations build and run collaborative agents connected to data and tools.
Build and run AI-powered support systems, lead and grow a support engineering function, investigate complex issues, and translate customer signal into product improvements.
Dust, Cursor, Claude Code, n8n, MacBook Pro, Linux
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Manufacturing AI & Automation Engineer
Tualatin or Austin or Austin or Fremont or Singapore or Malaysia or United Kingdom
OnsiteFull Time
Ichor Systems
Ichor SystemsNASDAQ: ICHR: Design and manufacture of fluid delivery subsystems for semiconductors.
5+ YOEBachelor’s degree in a technical discipline and 5–10 years of engineering experience applying AI, automation, data-driven solutions, and process improvement in manufacturing or operational environments.
Claude, large language models (LLMs), foundation models, retrieval-augmented generation (RAG), AI agents, Python, SQL, APIs, MES, ERP, QMS, PLM, CNC
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AI Engineer
San Francisco, California, United States
$180k-$240k/yr HybridFull Time
Walden Robotics
Walden Robotics: Private full-stack physical AI building and deploying general-purpose robots for manufacturing and logistics.
Undergraduate CS/Engineering degree, track record delivering production agentic AI workflows, expertise with modern LLM tools, Python, data engineering, API integrations, and LLM eval/observability.
Python, Claude Code, Codex, Cursor, OpenAI, Anthropic, OpenAI Agents SDK, Anthropic Agents SDK, Langfuse, Weights & Biases
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AI Engineer
San Francisco, California, United States
$175k-$250k/yr OnsiteFull Time
Momentic
Momentic: AI-powered end-to-end testing platform for software engineering teams across web, iOS, and Android.
3+ YOE3+ years software engineering experience with hands-on AI capabilities in production; experience with supervised fine-tuning, prompt/context tuning, evaluation datasets, and LLM observability; strong engineering fundamentals.
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2mo
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AI Engineer
Chicago or San Francisco or New York City
$180k-$220k/yr HybridFull Time
Vouch
Vouch: Technology-powered business insurance broker serving growing companies across technology, life sciences, professional, and financial services.
Production service experience with API design, data contracts, authorization, observability, LLM agent systems, strictly typed codebases, safety properties, clear technical writing, and startup or high-growth experience.
LLM, MCP, Anthropic SDK, Avro, Protobuf, Peloton, Fetch, OneMedical, Headspace
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AI Engineer (Early Career)
San Francisco, California, United States
OnsiteFull Time
Embedding VC
Embedding VC: Private early-stage venture capital fund backing Generative AI startups and incubating AI-native companies in the United States.
Fresh graduate or early-career engineer with limited professional experience, solid engineering fundamentals, project or open-source portfolio, passion for building, and comfort with ambiguity.
LLMs, agents, voice AI
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AI Engineer
South San Francisco, California, United States
$141k-$253k/yr HybridFull Time
Eli Lilly and Company
Eli Lilly and CompanyNYSE: LLY: Uniting caring with discovery to make life better.
4+ YOEMaster's degree in Computer Science, Machine Learning, AI, Data Science, Engineering or related field; 4+ years hands-on engineering experience building ML systems; advanced Python with PyTorch or JAX; distributed training; inference optimization; full stack capability.
Python, PyTorch, JAX, DDP, FSDP, DeepSpeed, Megatron, Triton, vLLM, TensorRT-LLM, Docker, Kubernetes, Ray, Slurm, JavaScript, React, NumPy, SciPy, Pandas, C++, CUDA, AWS, Azure, GCP
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AI/ML Engineer
San Francisco or United States
$152k-$220k/yr RemoteFull Time
Fieldwire
Fieldwire: Private construction-management software helping contractors coordinate plans, tasks, schedules, and project information.
Technical portfolio deploying AI/ML solutions; strong computer vision, deep learning, neural architecture, multimodal, spatial intelligence, production programming, and model optimization experience. MSc or PhD preferred.
machine learning, VLMs, LLMs, generative AI, RAG, Computer Vision (CV), deep learning, Neural Architectures, cloud environment
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