22 senior fastapi developer jobs at 17 companies in Hollister, CA
2w
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Senior Engineer
Santa Clara, California, United States
$120k-$150k/yr OnsiteFull Time
6+ YOEExpertise in Python or Java, full-stack development (Next.js/React/TypeScript), GraphQL and FastAPI backend, prompt engineering and GenAI tooling, cloud deployment on AWS/Azure, and bachelor's degree or equivalent.
Python, Java, Ariadne(GraphQL), appoloClientGraphQL, FastAPI, Next.js, React, TypeScript, Javascript, GitHub Copilot, Amazon Code Whisperer, GPT-4, Claude, Llama, AWS Lambda, S3, EC2, SageMaker, Azure Functions, Blob Storage, Azure OpenAI Service
1mo
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Senior Software Engineer, W&B Agent - W&B
Livingston or New York City or San Francisco or Sunnyvale or Bellevue
$182k-$242k/yr OnsiteFull Time
4+ YOE4+ years full‑stack experience with Python backend and React/TypeScript frontend; experience with FastAPI, Kubernetes, distributed systems, observability, and MySQL; security- and performance-minded.
Python, FastAPI, Kubernetes, React, TypeScript, Datadog, Weave tracing, MySQL, WebSockets, server-sent events
2mo
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Senior Full-Stack Software Engineer - Applied AI
San Francisco or San Jose or Cupertino or Palo Alto
HybridFull Time
5+ YOE5+ years producing production software; AI feature deployment; strong full-stack skills with Python and React; remote collaboration.
Python, TypeScript, FastAPI, Django, React, Next.js, Airflow, dbt, Snowflake, PostgreSQL, AWS, Terraform, GitHub
1mo
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Senior SOCD Applied AI Engineer
Santa Clara, California, United States
$168k-$311k/yr HybridFull Time
6+ YOE6+ years building production-grade software; experience shipping LLM/AI applications and agents; strong Python; experience with LangChain/LlamaIndex, RAG, embeddings, vector DBs, CI/CD, and system design.
Python, Claude Code, OpenAI Codex, Cursor, LangChain, LlamaIndex, MCP (Model Context Protocol), React, TypeScript, FastAPI, LLM, RAG
1mo
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Senior SOCD Applied AI Engineer
Santa Clara, California, United States
$168k-$311k/yr HybridFull Time
6+ YOE6+ years building production-grade software; experience shipping AI/LLM applications and agentic workflows; strong Python; hands-on use of Claude Code, OpenAI Codex, Cursor; experience with LangChain or LlamaIndex and RAG architectures; BS/MS in CS/CE/EE or equivalent.
Python, Claude Code, OpenAI Codex, Cursor, LangChain, LlamaIndex, Model Context Protocol (MCP), React, TypeScript, FastAPI
2w
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Senior Full Stack Software Engineer – CAD Infrastructure Team
Santa Clara or Folsom
$167k-$251k/yr OnsiteFull Time
8+ YOEBachelor's degree in CS/CE/EE,8+ years professional software development,expert Python,JavaScript/TypeScript,React,Node.js,REST/GraphQL,SQL/NoSQL,Git,Linux,Kubernetes experience preferred.
React, TypeScript, JavaScript (ES6+), Redux, Zustand, HTML5, CSS3, Material UI, AG Grid, Python, FastAPI, Node.js, Express.js, REST APIs, GraphQL, MongoDB, PostgreSQL, MySQL, Redis, Kubernetes, Docker, Git, CI/CD Pipelines, Linux, Terraform, SQL, Elasticsearch, Kibana, Splunk, LSF, Slurm, OAuth2, SAML, LDAP, Active Directory, RabbitMQ, Kafka
1mo
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Sr Staff IT AI Software Engineer
Santa Clara, California, United States
$145k-$236k/yr OnsiteFull Time
9+ YOEMinimum 9 years' experience; BS in Computer Science or related (or equivalent military experience); expert backend Python (Django/FastAPI), production Generative AI/LLM architecture, RAG/vector search, React, Docker/Kubernetes, GCP/Vertex AI preferred.
Python, Django, FastAPI, React, GraphQL, JavaScript, TypeScript, Google Cloud Platform, Vertex AI, Vertex AI Agent SDK, LangChain, LangGraph, Agent SDK, Model Context Protocol (MCP), Docker, Kubernetes, GKE, Cursor, Windsurf
1mo
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Senior Software Engineer, AI and ML Platforms
San Jose, California, United States
$132k-$218k/yr HybridFull Time
5+ YOEB.S. +7 years or M.S. +5 years (or equivalent). Strong Python/Java, microservices, REST APIs, LLM/AI integration, Docker, CI/CD, cloud platform experience, and familiarity with vector DBs and RAG systems.
Python, Java, FastAPI, Flask, Spring Boot, REST, Docker, CI/CD, AWS, Azure, Kubernetes, pgvector, FAISS, Pinecone, LangChain, LlamaIndex
1w
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Full stack Developer
San Jose, California, United States
OnsiteFull Time
8+ YOE8+ years development experience; proficiency in Python and NodeJS, full-stack frameworks, Postgres/NoSQL, and AI/ML frameworks; bachelor’s degree or equivalent.
HTML5, CSS3, JavaScript, ReactJS, NodeJS, Python, Django, FastAPI, Laravel, Postgres, NoSQL, TensorFlow, PyTorch, Keras, Docker, Kubernetes, Jenkins CI/CD
4w
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Senior Software and AI Engineer
Livingston or New York or Sunnyvale or San Francisco or Bellevue
$182k-$242k/yr OnsiteFull Time
3+ YOE3+ years professional programming; full‑stack development with React/TypeScript and backend services in Node.js or Go; experience with GenAI/LLM frameworks (LangChain, ChatGPT API, Glean API); cloud, Kubernetes, and CI/CD familiarity.
Workato, LangChain, LangGraph, ChatGPT agentflow, ChatGPT API, OpenAI API, Gemini agent flow, Glean API, React, TypeScript, Node.js, Go, Python, C++, C#, Java, FastAPI, gRPC, Next, Cursor, Claude, Copilot, ChatGPT Codex, Ray, Kafka, Spark, Kubernetes, AWS, Azure, GCP, Workato, Boomi, ERP, HRIS, DCIM, Data Warehouse
2mo
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AI/ML Engineer - Agentic
San Jose, California, United States
$137k-$277k/yr HybridFull Time
4+ YOESenior IC with 4-7 years of AI/ML experience; bachelor’s in CS/engineering; hybrid work; San Jose, CA.
FastAPI, gRPC, LangGraph, LangFuse, OpenSearch, Kubernetes, Docker, GitHub Actions, Kafka, Redis, ArgoCD, Prometheus, QLora, PEFT
2mo
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Full Stack Software Engineer – Manufacturing Test Automation
Campbell, California, United States
OnsiteFull Time
5+ YOE5+ years full-stack experience focused on Python and React, production experience with Python web frameworks (Django/FastAPI/Flask), PostgreSQL, REST/gRPC APIs, Docker, CI/CD, Git, and building data-rich frontend dashboards.
Python, Django, React.js, FastAPI, Flask, PostgreSQL, REST, gRPC, Git, Docker, GitLab CI, GitHub Actions, TypeScript, Redux, Context API, Graphana, Tableau, Material-UI (MUI), Tailwind CSS, PyTest, JQuery
3w
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Staff Engineer, Workbench Platform
San Jose, California, United States
$163k-$253k/yr OnsiteFull Time
5+ YOEBachelor/Master/PhD in CS or related with significant industry experience; production TypeScript/Node.js, VS Code extension, Python/FastAPI, monorepo and Kubernetes experience; strong communication and problem-solving.
TypeScript, Node.js, VS Code, Python, FastAPI, Pydantic, pnpm, Vite, Helm, Kubernetes, Gitpod, Coder, Codespaces
1mo
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Senior AI Platform Engineer - Frisco
Frisco or San Jose
$107k-$176k/yr HybridFull Time
10+ YOE10+ years platform engineering experience with GenAI/LLM ecosystems, Kubernetes (EKS/GKE), cloud (AWS/GCP), Python and Go, Terraform, Backstage, CI/CD, vector stores/OpenSearch, Kafka, and enterprise AI security and governance.
AWS Bedrock, OpenAI, Anthropic, Kubernetes, GKE, EKS, Python, Go, FastAPI, gRPC, AWS, GCP, Terraform, Backstage, OpenSearch, Aurora pgvector, CI/CD, Apache Kafka, LangChain, LlamaIndex, Pinecone, Weaviate, IAM, VPC, KMS, MLOps, LLMOps
2mo
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AI/ML Engineer - Agentic
San Jose, California, United States
$137k-$277k/yr HybridFull Time
4+ YOESenior IC with 4-7 years experience; design, build, operate production-grade agentic platform; hybrid work model; Bachelor’s degree in CS/Engineering; Master’s preferred.
FastAPI, gRPC, Kafka, Redis, OpenSearch, Kubernetes, Docker, GitHub Actions, Jenkins, ArgoCD, Prometheus
2mo
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Applied AI Engineer
Cupertino, California, United States
OnsiteFull Time
3+ YOEPhD in a quantitative field with 3+ years in applied AI or MS with 6+ years, strong Python and AI frameworks, experience with LLMs and agentic workflows, production-ready AI solutions, and collaboration across teams.
Python, FastAPI, LangChain, RESTful API, LLM APIs, Embeddings, Vector Databases, Agentic workflows, Prometheus, OpenTelemetry, Weights & Biases
1mo
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Eval360 - Error Analysis Engineer
Sunnyvale, California, United States
$150k-$450k/yr OnsiteFull Time
Bachelor's degree in a technical field required; proven experience building software for ML/model evaluation; strong software engineering, error-analysis, and debugging skills; familiarity with front-end and back-end stacks and databases.
GitHub, Git, CI/CD, HTML, CSS, JavaScript, TypeScript, React, Angular, Python, Java, C#, Node.js, FastAPI, Flask, Django, MySQL, PostgreSQL, MongoDB, pandas, NumPy, Jupyter
1mo
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Principal Engineer, Model Development Platform
Sunnyvale, California, United States
$296k-$335k/yr HybridFull Time
10+ YOE10+ years building large-scale distributed systems or ML infrastructure, 3+ years at staff/principal level, experience with Spark, Ray, Kubernetes, Airflow, MLflow, web frameworks, reliability engineering, and mentoring engineers.
Spark, Ray, Kubernetes, Airflow, MLflow, React, Flask, FastAPI
1mo
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Principal Engineer, Model Development Platform
Sunnyvale, California, United States
$296k-$335k/yr HybridFull Time
10+ YOE10+ years building large-scale distributed systems or ML infrastructure, 3+ years at staff/principal level, experience with Spark, Ray, Kubernetes, Airflow, MLflow, reliability/observability, mentoring, and optimization or scheduling systems.
Spark, Ray, Kubernetes, Airflow, MLflow, React, Flask, FastAPI
1mo
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Gen AI Architect
Santa Clara or San Jose or Palo Alto or United States
$180k-$200k/yr OnsiteFull Time
10+ YOEBachelor's degree in CS/Engineering, 10+ years in software development/architecture with 3+ years in AI/ML and 2+ years in Generative AI; expertise in LLMs, RAG, vector DBs, Python, cloud AI services, CI/CD, and enterprise security/compliance.
LangChain, LangGraph, Weaviate, Pinecone, Milvus, FastAPI, Python, Java, C#, Go, Hugging Face, Transformers, Bedrock, SageMaker, Azure OpenAI, Vertex AI, Microsoft Azure DevOps, GitHub Actions, Jenkins, GitLab CI, LLaMA, Mistral, Ollama