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138 ai framework engineer jobs at 101 companies in Fairfield, CA

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Founding Machine Learning / AI Search Engineer
Cupertino, CA, US
$160k-$310k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Build the ML and AI search behind HiringCafe — ranking, recommenders, retrieval, and LLM agents that surface jobs people would never find on their own.
Python, PyTorch, Elasticsearch, LLMs
Help us #BeatIndeed & #BeatLinkedIn
3w
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Distinguished AI Engineer (Agentic AI Platform)
San Francisco or McLean or Cambridge or San Jose or New York City
$294k-$335k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
6+ YOEBachelor's or Master's in CS/Engineering/AI with 6–8+ years building and deploying scalable AI/ML systems; strong programming in Python/Go/Scala/Java and experience with agentic frameworks, cloud platforms, and LLMs.
Python, Go, Scala, Java, C++, C#, Golang, LangGraph, AutoGen, Semantic Kernal, Semantic Kernel (Microsoft), CrewAI, LlamaIndex, LangChain, AWS, Google Cloud, Azure, Google Cloud Vertex AI, Amazon SageMaker, Azure Machine Learning, K8s, Helm charts, CRDs, SDK, CLI, VectorDBs, RAG, LLM Inference, Similarity Search
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3mo
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Staff AI Engineer
San Francisco, California, United States
$182k-$310k/yr HybridFull Time
Airwallex
Airwallex: Global financial platform for business payments and money management.
5+ YOE5+ years in applied AI/ML engineering with production deployments; strong Python; experience with ML frameworks (PyTorch, JAX, TensorFlow); track record deploying AI agents or orchestration systems; knowledge of monitoring and iteration in production AI systems.
Python, PyTorch, JAX, TensorFlow, LangChain, LlamaIndex, AutoGen, CrewAI, Semantic Kernel
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2mo
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AI Engineer
San Francisco, California, United States
$150k-$210k/yr OnsiteFull Time
Cargomatic
Cargomatic: Digital marketplace connecting shippers with local trucking capacity.
3+ YOE3+ years software engineering with focus on AI/ML or automation; hands-on AI-powered applications; experience with agentic AI concepts, LLMs, and modern AI frameworks; cloud infrastructure (AWS); backend (Node.js); frontend (React).
Claude, OpenAI, LangChain, n8n, AWS, Node.js, React, MongoDB, PostgreSQL, MySQL, S3, ECS, Lambda, REST APIs, GitHub
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2mo
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Senior ML/AI Engineer
San Francisco or New York
OnsiteFull Time
Beast Industries
Beast Industries: Produces digital media and consumer goods for MrBeast brands.
5+ YOESenior ML/AI engineer with production experience, AI-native mindset, strong eval framework, and ability to ship features at consumer scale.
Python, Machine Learning, Model Serving, Inference Infrastructure, Retrieval-Augmented-Generation, Agent Frameworks, Evaluation Systems, Prompt Engineering, Coding Agents
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1mo
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Applied AI Engineer
San Mateo, California, United States
OnsiteFull Time
Sol
Sol: AI-native HRIS platform for modern workforce management.
Experience building production AI systems and infrastructure, designing evaluation frameworks, prioritizing explainability, privacy and compliance, and making model/tooling tradeoff decisions.
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2d
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AI Engineer
San Francisco or Seattle or Dallas or Austin or Chicago or Atlanta or New York or San Diego
$100k-$120k/yr HybridFull Time
Jacobs
JacobsNYSE: J: Global provider of professional engineering and technical services.
1+ YOE1-3 years software development experience, bachelor's in CS/AI/data science, proficiency with AI/LLM APIs and frameworks, Python and JavaScript/TypeScript skills, Git and CI/CD experience, Docker/Podman familiarity.
Python, TypeScript, JavaScript, LangChain, LangGraph, CrewAI, PydanticAI, Model Context Protocol (MCP), Anthropic Claude API, OpenAI API, OpenAI Codex, Claude, Cursor, GitHub, GitHub Copilot, SQL, Docker, Podman, React, HTML, CSS, FastAPI, Flask, Express, Pinecone, Weaviate, pgvector, Microsoft Azure, Microsoft Fabric, Google Cloud, Amazon Web Services, Power BI
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2w
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AI Engineer
San Mateo, California, United States
$200k-$290k/yr OnsiteFull Time
P-1 AI
P-1 AI: Developing AI agents for industrial engineering and physical design.
Experience shipping AI research to production, deep learning and LLM expertise, fluent Python, familiarity with agentic frameworks (e.g., LangChain), and experience with physical systems (mechanical/robotics).
Python, LangChain
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2mo
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AI Engineer - Model Performance
San Francisco, California, United States
HybridFull Time
Fathom
Fathom: AI assistant for recording, transcribing, and summarizing virtual meetings.
Deep experience with LLM serving frameworks, quantization, and production fine-tuning; strong Python and GPU performance analysis.
Python, PyTorch, vLLM, SGLang, TensorRT-LLM, LoRA, QLoRA, torchtune, Axolotl
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2mo
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Sr AI Automation Engineer
Austin or New York City or San Francisco or Arlington
HybridFull Time
BetterUp
BetterUp: Digital platform for professional coaching and employee mental fitness.
7+ YOE7+ years of engineering experience shipping real systems at scale; experience with agent frameworks, Claude SDK, MCP; cross-functional collaboration; ownership mindset.
Claude, Anthropic SDK, MCP, Slack, Jira, Salesforce, Okta, Workday, Google Workspace, AWS
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2mo
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AI engineer
San Francisco or New York City
$152k-$316k/yr HybridFull Time
Writer
Writer: Platform for building and deploying enterprise generative AI agents.
5+ YOE5+ years of experience building and deploying ML/AI systems; proficient in Python and frameworks (PyTorch, TensorFlow, or JAX); strong ML/natural language processing background; experience with cloud (AWS, GCP, Azure) and MLOps; able to deliver scalable software; strong collaboration and problem-solving.
Python, PyTorch, TensorFlow, JAX, AWS, GCP, Azure, MLOps tools
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3d
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AI Engineer
San Francisco, California, United States
OnsiteFull Time
Corridor
Corridor: Secures software codebases using AI-powered autonomous vulnerability detection.
2+ YOE2+ years industry or research experience in software engineering/ML, production-quality coding in Python, familiarity with ML frameworks, vector stores, hybrid search, and databases; experience with model fine-tuning and evaluation pipelines preferred.
Python, ML frameworks, vector stores, hybrid search, databases
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3w
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Senior AI Platform Engineer
San Francisco or Boston or Jacksonville or New York or Windsor
$140k-$180k/yr HybridFull Time
SS&C Technologies
SS&C TechnologiesNasdaq: SSNC: Provides software and technology for financial and healthcare sectors.
5+ YOE5+ years Python experience; data engineering/distributed systems (Spark, Hive, Trino, StarRocks, DBT, Airflow, Kubernetes); LLM and agent frameworks (LangChain, LlamaIndex, DSPy, OpenAI MCP, A2A); API design (REST, GraphQL, gRPC); cloud/containerization and enterprise security.
Python, Spark, Hive, Trino, StarRocks, DBT, Airflow, Kubernetes, Docker, LangChain, LlamaIndex, DSPy, OpenAI MCP, A2A, REST, GraphQL, gRPC, pgvector, Pinecone, Weaviate, Milvus, Vespa, Kafka, Pulsar, OpenTelemetry, DataHub, MLflow, Prometheus, Hugging Face
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18h
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Senior Applied AI Engineer (Agentic Systems)
San Francisco, California, United States
$185k-$210k/yr HybridFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
7+ YOE7+ years software/ML engineering experience, expertise in multi-agent LLM systems, RAG and retrieval architectures, stateful workflow engines, production evaluation and safety frameworks, and US work authorization.
Temporal, Prefect, LLM, RAG, Vision Language Models (VLMs), OCR
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1mo
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AI Product Engineer, Evidence
San Francisco, California, United States
$145k-$196k/yr HybridFull Time
Drata
Drata: Automated security and compliance platform for businesses.
3+ YOE3+ years software engineering; 1+ years AI-powered features; strong React/TypeScript; Python/Node.js; experience with LLMs, RAG, agent frameworks; streaming UI; collaboration.
React, TypeScript, Node.js, Python, LLM APIs, LangChain, LangGraph, SSE, WebSockets
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3mo
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AI/ML Engineer, Applied Data Science
San Francisco or Cupertino
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
4+ YOE4+ years in AI/ML engineering, NLP or related roles; Python and ML frameworks; LLM APIs; RAG architectures; prompt engineering; production experience; AI system evaluation.
Python, PyTorch, TensorFlow, LLM APIs, LangChain, LlamaIndex, GraphRAG, Guardrails AI
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2mo
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Sr. AI GTM Engineer
San Francisco, California, United States
$165k-$266k/yr HybridFull Time
DocuSign
DocuSignNASDAQ: DOCU: Provider of e-signature and intelligent agreement management software.
8+ YOE8+ years building user-facing applications,1+ year AI engineering with LLMs,experience with Python/TypeScript/JavaScript/Java,knowledge of growth metrics,familiarity with agent frameworks and data platforms.
Python, TypeScript, JavaScript, Java, Azure Agentic Framework, AutoGen, LangGraph, CrewAI, Snowflake, Iterable, Hightouch, Salesforce/CRM
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3mo
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Senior Applied AI Engineer
San Francisco, California, United States
$130k-$265k/yr HybridFull Time
Arcade
Arcade: Platform for creating interactive on-brand product demos and videos.
5+ YOE5+ years software engineering/AI; Bachelor's in CS/Software Eng or related field (or equivalent); production AI/LLM experience; LLM pipelines, vector search, agent frameworks, multimodal tools; optimize performance.
LLM pipelines, Vector search, Agent frameworks, Multimodal tools, Typescript, Next.js, React, Experimentation, Security
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2mo
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AI Engineer, LLMs
San Francisco, California, United States
OnsiteFull Time
Logical Intelligence
Logical Intelligence: A developer of AI-powered formal verification technologies that enable provable software correctness.
3+ YOEDesign, implement, and optimize LLM pipelines; strong background in transformers, Python/C++, and ML frameworks; distributed training experience.
Python, C++, PyTorch, TensorFlow, JAX, Kubernetes
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3mo
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Applied AI Engineer
San Francisco, California, United States
$190k-$240k/yr OnsiteFull Time
Paraform
Paraform: Marketplace connecting hiring companies with specialized recruiters and AI.
2+ YOE2-5 years of experience building and shipping AI systems; strong Python and TypeScript; experience with LLM-based systems and agentic workflows; able to reason about tradeoffs between LLM and traditional ML; able to design evaluation frameworks.
Python, TypeScript, LLM, retrieval, agentic_workflows, production_systems
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2mo
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AI Lead
San Jose or San Francisco
HybridFull Time
Protocol Nine
Protocol Nine: Building AI-native security infrastructure for threat detection and response.
5+ YOE5+ years ML/AI engineering experience, hands-on SLM training/fine-tuning, transformer and model optimization expertise, cybersecurity familiarity, production deployment experience, strong Python and ML framework skills.
Python, PyTorch, JAX
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