30 fastapi developer jobs at 22 companies in Marina, CA

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Product Engineer
Sunnyvale, California, United States
$150k-$250k/yr OnsiteFull Time
Collinear
Collinear: Builds simulation platforms to improve AI agent reliability.
Proven full-stack/product engineering experience building user-facing SaaS features using Python (FastAPI) and modern frontend frameworks, async/distributed systems (Celery, Redis), SQL/NoSQL, comprehensive testing, and CI/CD. Bachelor's degree required.
Python, FastAPI, React, Next.js, Celery, Redis, SQL, NoSQL
1w
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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
CoreWeave
CoreWeaveNASDAQ: CRWV: Specialized cloud infrastructure provider for high-performance AI workloads.
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
1w
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AI Full Stack Developer
San Jose, California, United States
$14k/mo OnsiteContract
SBT Global
SBT Global: Provides integrated IT consulting and global logistics management services.
5+ YOE5–8 years full-stack development with AI model deployment, strong Python and FastAPI/Django, frontend frameworks (React/Next.js), cloud and container experience, and a relevant bachelor's degree.
PyTorch, TensorFlow, scikit-learn, React, Vue, Next.js, FastAPI, Django, Plotly Dash, Kubernetes, Cloud Run, Docker, OpenAI API, LangChain, Python, Node.js, AWS, GCP, Azure
4w
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Sr Staff IT AI Software Engineer
Santa Clara, California, United States
$145k-$236k/yr OnsiteFull Time
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
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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Full Stack Software Engineer – Manufacturing Test Automation
Campbell, California, United States
OnsiteFull Time
VAST Data
VAST Data: Enterprise AI infrastructure and unified data platform.
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
1w
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Senior Engineer - Python
Cupertino, California, United States
$100k-$150k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
7+ YOEBachelor's degree or equivalent, 7+ years experience, strong Python and FastAPI skills, Docker/Kubernetes, SQS, API and microservice design, observability with OpenTelemetry/Elastic Stack.
Python, FastAPI, Docker, Kubernetes, SQS, OpenTelemetry, Elastic Stack, OpenAPI, Swagger
2w
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Software Engineer
Sunnyvale, California, United States
OnsiteFull Time
Realm Labs
Realm Labs: AI security and observability platform for enterprise models.
2+ YOE2+ years software engineering experience; strong programming in Python, Go, Java, or C++; knowledge of distributed systems, REST/gRPC, relational databases, cloud platforms, and debugging production systems.
Python, Go, Java, C++, PostgreSQL, MySQL, Redis, RabbitMQ, Kafka, Docker, Kubernetes, AWS, GCP, Azure, FastAPI, Terraform, GitHub Actions, OpenTelemetry, Prometheus, Grafana, LLM APIs, REST, gRPC
3d
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Staff Engineer, Workbench Platform
San Jose, California, United States
$163k-$253k/yr OnsiteFull Time
Samsung Semiconductor
Samsung SemiconductorKorea Exchange: 005930: Designs and manufactures memory chips, processors, and sensors.
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
1w
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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
CoreWeave
CoreWeaveNASDAQ: CRWV: Cloud platform providing GPU-accelerated infrastructure for AI workloads.
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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Software Engineer III - Cloud Platform
Scotts Valley, California, United States
$140k-$170k/yr OnsiteFull Time
Zero Motorcycles
Zero Motorcycles: Manufacturer of high-performance electric motorcycles and powertrains.
6+ YOE6+ years building and operating distributed cloud systems; strong Python (FastAPI), Next.js/React, AWS (EC2, RDS, DynamoDB, S3, Lambda), AWS CDK (TypeScript), Git, CI/CD, observability, and mentoring skills.
Python, FastAPI, Next.js, React, AWS, EC2, RDS, DynamoDB, S3, Lambda, AWS CDK, TypeScript, Git, CI/CD
2mo
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Applied AI Engineer
Cupertino, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
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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Full Stack Engineer
Sunnyvale, California, United States
$175k-$200k/yr OnsiteFull Time
Knightscope
KnightscopeNASDAQ: KSCP: Manufactures autonomous robots and communication devices for physical security.
4+ YOE4+ years full-stack experience (4–8 preferred) with 2+ years integrating AI/ML or LLM APIs; strong full-stack skills (React/Next.js, Python/Node.js), SSDLC and security expertise, and a bachelor's degree in CS or equivalent experience.
React, TypeScript, Next.js, Python, Node.js, FastAPI, Flask, Express, OpenAI API, Anthropic Claude API, Langchain, LlamaIndex, Pinecone, Weaviate, pgvector, AWS, GCP, Azure, Docker, Kubernetes, GitHub Actions, GitLab CI, Jenkins, PostgreSQL, MySQL, MongoDB, Redis, Datadog, Grafana, OpenTelemetry
2mo
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AI/ML Engineer - Agentic
San Jose, California, United States
$137k-$277k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides global edge-to-cloud technology solutions and IT infrastructure services.
4+ YOESenior IC with 4-7 years in AI/ML, agentic orchestration, LLM integration, and backend systems.
FastAPI, gRPC, Python, Kubernetes, Docker, OpenSearch, LangGraph, LangFuse, Prometheus, Kafka, Redis, GitHub Actions, ArgoCD
3w
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Eval360 - Error Analysis Engineer
Sunnyvale, California, United States
$150k-$450k/yr OnsiteFull Time
Institute of Foundation Models
Institute of Foundation Models: Develops open-source frontier-class AI foundation models and research.
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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AI/ML Engineer - Agentic
San Jose, California, United States
$137k-$277k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Providing global edge-to-cloud infrastructure and IT solutions for businesses.
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
1mo
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AI/ML Engineer - Agentic
San Jose, California, United States
$137k-$277k/yr HybridFull Time
Hewlett Packard Enterprise
Hewlett Packard EnterpriseNYSE: HPE: Provides edge-to-cloud IT infrastructure and platform services.
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
2w
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Senior SOCD Applied AI Engineer
Santa Clara, California, United States
$168k-$311k/yr HybridFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs graphics processing units and artificial intelligence hardware.
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 SOCD Applied AI Engineer
Santa Clara, California, United States
$168k-$311k/yr HybridFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
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 Software Engineer, AI and ML Platforms
San Jose, California, United States
$132k-$218k/yr HybridFull Time
Bio-Techne
Bio-TechneNASDAQ: TECH: Provides reagents, instruments, and diagnostic tools for life sciences.
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
1mo
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Senior Full-Stack Software Engineer - Applied AI
San Francisco or San Jose or Cupertino or Palo Alto
HybridFull Time
Mainstay
Mainstay: AI platform for single-family rental real estate transactions.
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