66 fastapi developer jobs at 34 companies in Shadow Hills, CA
3mo
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Software Engineer, AI
El Segundo or United States
$131k-$150k/yr HybridFull Time
3+ YOE3+ years in software development; Python and TypeScript; AI agent frameworks; Docker; FastAPI; production/MLOps experience; regulated environment preferred.
Python, TypeScript, LangGraph, LangChain, CrewAI, LlamaIndex, Docker, FastAPI
2mo
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SATCOM Mission Planning Software Engineer (Associate or Experienced)
Seal Beach, California, United States
$113k-$175k/yr OnsiteFull Time
3+ YOEBachelor's degree, active U.S. DoD Secret clearance, 3+ years software development for space/ground systems, experience with Python/Java/TypeScript/FastAPI, CI/CD, GitLab, Kubernetes, Postgres, and Agile/DevSecOps practices.
Python, Java, TypeScript, FastAPI, Kubernetes, Postgres, SQL, NoSQL, GitLab, CI/CD, DevSecOps
1w
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Staff Software Engineer
El Segundo, California, United States
$150k-$240k/yr HybridFull Time
7+ YOERequires 7+ years shipping full-stack production software, strong Python, FastAPI, Pydantic, 3+ years React, AWS, databases, testing, integrations, customer experience, and technical ownership.
React, Python, FastAPI, Pydantic, PointClickCare, Homecare Homebase, WellSky, HL7 v2, FHIR, REST, SFTP, CDC, AWS, PyTest
2mo
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SATCOM Mission Planning Software Engineer (Associate or Experienced)
Seal Beach, California, United States
$113k-$175k/yr OnsiteFull Time
3+ YOEBachelor's degree, active U.S. Secret clearance, 3+ years software development for space/ground systems, 3+ years with Python/Java/TypeScript/FastAPI, experience with CI/CD, Kubernetes, Postgres, GitLab, Agile, and strong troubleshooting and system-design skills.
Python, Java, TypeScript, FastAPI, Kubernetes, Postgres, SQL, NoSQL, GitLab, CI/CD, DevSecOps, CodeVue, Agile
1mo
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Principal Engineer, CoCounsel
Eagan or Frisco or New York City or Toronto or Ann Arbor or San Francisco or Los Angeles or Irvine or McLean or Washington
$159k-$295k/yr HybridFull Time
Bachelor's degree (or equivalent) in CS or CE, deep Python and distributed systems experience, hands-on AI/LLM and agent experience, FastAPI/PostgreSQL/AWS familiarity, identity/IAM (SAML, OIDC, OAuth 2.0) expertise, strong communication.
Python, FastAPI, PostgreSQL, AWS, SSO, SAML, OIDC, OAuth 2.0, RBAC, ABAC, Anthropic, OpenAI, LLMs, MCP servers, vector databases, embeddings, semantic search
2mo
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Principal Software Engineer (Python)
Irvine or Oklahoma City or Sunrise or Oxford or Dallas or Austin
$155k-$180k/yr HybridFull Time
10+ YOE10+ years professional software engineering experience; expert Python/FastAPI; semantic, graph, and RAG/Vector retrieval experience; cloud (GCP/AWS/Azure); leadership, TDD, and AI/LLM/SLM familiarity.
Git, Unix, Python, FastAPI, FastMCP, ADK, LLM, SLM, GraphRAG, Vector Databases, RAGAS, DeepEval, GCP, AWS, Azure
5d
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Forward Deployed Engineer
Los Angeles or New York City
$150k-$230k/yr HybridFull Time
2+ YOERequires 2–5 years of full-stack engineering experience, startup ownership, third-party API integrations, Python, FastAPI, React, TypeScript, AI coding tools, and strong stakeholder communication.
Python, FastAPI, React, TypeScript, Postgres, AWS, GCP, GitHub, Claude Code, Cursor, RPA
2mo
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Principal Software Engineer (Python)
Irvine or Oklahoma City or Sunrise or Oxford or Dallas or Austin
$155k-$180k/yr HybridFull Time
10+ YOEMaster's or Bachelor's in CS/AI (required), 10+ years software engineering, expert Python/FastAPI, semantic/graph and RAG experience, cloud (GCP/AWS/Azure), Git/Unix, ADK, vector DBs, strong communication and leadership.
Git, Unix, Python, FastAPI, FastMCP, ADK, Vector Databases, GraphRAG, RAGAS, DeepEval, HyDE, GCP, AWS, Azure
1mo
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Senior AI Engineer
United States or New York City or Palm Beach or Los Angeles or Miami or Greenwich or Westchester County or The Hamptons or San Francisco or Manhattan
$190k-$250k/yr RemoteFull Time
4+ YOE4+ years building and operating LLM-powered production ML systems, strong Python, backend framework experience (FastAPI/Flask), LLM orchestration and retrieval design, Snowflake/dbt/Dagster/Airflow familiarity, evaluation systems, HIPAA/PHI knowledge, and strong written communication.
Python, FastAPI, Flask, Snowflake, dbt, Dagster, Airflow, vLLM, Triton, TGI, SGLang, LOINC, SNOMED CT, ICD-10, RxNorm, FHIR, HL7
1mo
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Sr. Full Stack Engineer
Tempe or Burbank
$135k-$163k/yr HybridFull Time
Entertainment Partners: Provides payroll and workforce management for entertainment productions.
6+ YOE6+ years software engineering experience, strong Python (FastAPI), React.js/TypeScript, API and database expertise, CI/CD and cloud experience, LLM/AI integration, bachelor's degree or equivalent.
Python, FastAPI, React.js, TypeScript, PostgreSQL, MySQL, MongoDB, ORMs, GitHub Actions, Jenkins, Microsoft Azure DevOps, Docker, Kubernetes, AWS, Azure, OCI, OpenAI, Anthropic/Claude, LangChain, LangGraph, pgvector, Pinecone, Weaviate, WebSockets, SSE, JWT, OAuth2
1mo
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Full Stack Engineer
Irvine, California, United States
$125k-$140k/yr OnsiteFull Time
2+ YOEBachelor's degree in CS/IT, 2+ years full‑stack development with production AWS deployments; proficiency in Go, FastAPI, React, and experience with RESTful APIs and cloud-native patterns; eligible for Top Secret clearance.
Go, Python, React, FastAPI, AWS, Kubernetes, AWS CDK, Terraform, JavaScript, TypeScript, IAM, API Gateway, Lambda, DynamoDB
6d
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Software Engineer, Simulation
Hawthorne, California, United States
$125k-$195k/yr OnsiteFull Time
2+ YOEBachelor's degree in computer science, engineering, math, or STEM, or 5+ years of software experience; 2+ years developing in C++, Python, or object-oriented languages.
C++, Python, OpenFOAM, ANSYS Fluent, COMSOL Multiphysics, NX, ANSYS Meshing, SnappyHexMesh, ParaView, VisIt, Tecplot, Three.js, Flask, SQLAlchemy, FastAPI, React, JavaScript, PostgreSQL, SQL Server, Linux, OpenFOAM, CFD
3d
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Lead Software Engineer
New York City or Glendale
$156k-$219k/yr HybridFull Time
7+ YOERequires 7+ years of backend development experience, Python or similar programming, distributed systems, AI/ML engineering, scalable APIs, cloud-native deployments, and a bachelor's degree or equivalent experience.
FastAPI, Flask, Spark, PySpark, Python, Claude, GPT-4, OpenAI, Qwen, LangChain, LangGraph, PyTorch, TensorFlow, Cursor, Claude Code, GitHub, Docker, AWS, EKS, Datadog, Grafana, Conviva, Pandas, Databricks, Snowflake
3d
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Senior Software Engineer
Burbank, California, United States
$170k-$200k/yr HybridFull Time
5+ YOERequires 5+ years of software engineering experience, strong Python and backend/API development skills, AI/ML integration experience, testing and CI/CD proficiency, and knowledge of asynchronous programming and microservices.
Python, FastAPI, Flask, Django, REST APIs, OpenAI, LangChain, Hugging Face, AWS Bedrock, Vertex AI, NLP, OCR, RPA, CI/CD, Temporal, Step Functions, Airflow, AWS, GCP, Azure
3d
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Lead Software Engineer
New York City or Glendale
$163k-$219k/yr HybridFull Time
7+ YOE7+ years in backend development and AI/data applications; Python, Spark/PySpark, scalable APIs, distributed systems, AI/ML, foundation models, cloud deployments, GitHub, Docker, and AWS/EKS experience.
FastAPI, Flask, Spark, PySpark, Python, Claude, GPT-4, OpenAI, Qwen, LangChain, LangGraph, PyTorch, TensorFlow, Cursor, Claude Code, GitHub, Docker, AWS, EKS, Datadog, Grafana, Conviva, Pandas, Databricks, Snowflake
2w
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Senior Software Engineer, Enterprise Applications
Long Beach, California, United States
$135k-$267k/yr OnsiteFull Time
6+ YOEBachelor’s degree or equivalent experience, 6+ years of software development, and experience building, shipping, and supporting complex data-intensive full-stack applications.
React, Vue, GraphQL, Node.js, OAuth, Terraform, FastAPI, PostgreSQL, MySQL, SQL Server
1mo
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Full Stack Engineer
Los Angeles, California, United States
$89k-$136k/yr RemoteFull Time
8+ YOE8+ years full-stack web development experience; expert in Node.js, JavaScript, TypeScript; React and StoryBook; Redis/Memcached and relational DBs; gRPC/REST; AWS and Docker/Kubernetes; US work authorization required.
Node.js, JavaScript, TypeScript, React, StoryBook, CSS/SASS, Redis, Memcached, MariaDB, MySQL, Postgres, gRPC, GoLang, GraphQL, Figma, Python, Flask, FastAPI, Kafka, AWS, Docker, Kubernetes
21h
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GenAI/Python Senior Engineer
Los Angeles, California, United States
$90k-$130k/yr OnsiteFull Time
5+ YOERequires 5+ years of advanced Python development, 1.5+ years building production GenAI/LLM applications, agentic AI, RAG, APIs, SQL, cloud experience, and strong communication skills.
Python, pytest, Git, Docker, OpenAI, Azure OpenAI, Anthropic, Bedrock, LangChain, LangGraph, LlamaIndex, Pydantic, pgvector, Pinecone, Weaviate, OpenSearch, Snowflake, FastAPI, Flask, Django, SQL, Azure, AWS, GCP, Confluence
19h
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Staff Backend Engineer (Digital Foot Print)
United States or Canada or San Francisco or Los Angeles or New York City
$251k-$275k/yr HybridFull Time
6+ YOE6+ years of backend software development experience; strong TypeScript, Node.js, messaging queues, MongoDB, analytical skills, and customer collaboration. Bachelor's degree or equivalent practical experience.
TypeScript, Node.js, AWS SQS, MongoDB, Python, Django, FastAPI, Flask, Airflow, PostgreSQL, NestJS
3w
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Senior Principal Software Engineer - TS/SCI
Long Beach, California, United States
$198k-$297k/yr OnsiteFull Time
15+ YOE15+ years software development experience with embedded and ground systems, proficiency in C/C++ and Python, active TS/SCI clearance and U.S. eligibility, bachelor\u0019s degree in engineering or computer science required.
C, C++, python, VxWorks, embedded Linux, RTOS, DIO, AIO, ICD, RF, CAN/CAN-FD, SpaceWire, UDP/TCP, FastAPI, Golang, Rust, Typescript, Angular, InfluxDB, PostgreSQL, Git, Kubernetes, OAuth, CCSDS, Space Packet Protocol, COP-1, CFD, CI/CD
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