25 fastapi developer jobs at 17 companies in Phelan, CA
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Staff Software Engineer
Los Angeles, California, United States
$150k-$225k/yr OnsiteFull Time
2+ YOEAdvanced Python and FastAPI, frontend experience with ReactJS, AWS (Cognito/Pinpoint/IoT/MSK), Docker, PyTest, relational and NoSQL databases, security/HIPAA awareness, and 2+ years recent tenure.
Python, FastAPI, NumPy, Pandas, Pydantic, ReactJS, Javascript, C++, MySQL, PostgreSQL, MongoDB, PyTest, Git, Jenkins, CircleCI, Confluence, Markdown, Prometheus, Grafana, Docker, Cognito, Pinpoint, IoT, MSK
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
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
3w
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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
3mo
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Software Engineer II
Glendale or Seattle or New York
$118k-$158k/yr HybridFull Time
3+ YOE3+ years backend development experience; AI/ML engineering knowledge; API design and cloud deployments; strong communication and collaboration.
FastAPI, Flask, PyTorch, TensorFlow, GitHub, Docker, AWS, EKS, LangChain, LangGraph
2w
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Software Engineer
San Francisco or Los Angeles
$130k-$170k/yr HybridFull Time
Strong Python and modern C++ skills, backend/distributed systems and API experience (REST,gRPC,GraphQL), familiarity with compiler concepts desirable, bachelor's degree preferred.
Python, C++, REST, gRPC, GraphQL, FastAPI, Flask, Django, LLVM, MLIR, Rust, Go
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Software Engineer I
Los Angeles, California, United States
$91k-$111k/yr HybridFull Time
1+ YOEBachelor's in a quantitative field, 1+ year production software experience, strong Python and SQL skills, familiarity with testing and Git, and effective communication.
Python, FastAPI, Pydantic, GitHub Actions, Snowflake, Prefect, Git, SQL, Azure, Docker, Dagster, Airflow
2mo
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GenAI Python Systems Engineer –Senior Manager
Chicago or Raleigh or Charlotte or Cincinnati or Cleveland or Columbia or Columbus or Dallas or Baltimore or Richmond or Rosemont or Sacramento or Boston or St. Louis or Salt Lake City or San Antonio or San Diego or San Francisco or Silicon Valley or Seattle or Spartanburg or Albany or Stamford or Tampa or Atlanta or Toledo or Austin or Tulsa or Washington or Denver or Des Moines or Detroit or Buffalo or Florham Park or Kansas City or Las Vegas or Little Rock or Los Angeles or Louisville or Birmingham or Fayetteville or Miami or Milwaukee or Minneapolis or Nashville or New Orleans or New York or Oklahoma City or Philadelphia or Phoenix or Pittsburgh or Portland
$124k-$280k/yr HybridFull Time
8+ YOESenior Manager level with 8+ years of experience; proficient in Python, SQL, FastAPI; cloud certifications a plus; willing to travel up to 80%; Bachelor's degree required.
Python, SQL, FastAPI, Cloud Platforms, LLM techniques, Data Warehousing, Data Lakes, IAM
2w
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Staff Software Engineer, Frameworks
Mountain View or Los Angeles or San Francisco
$210k-$250k/yr HybridFull Time
8+ YOE8+ years software engineering experience designing and operating secure, scalable authentication/authorization and distributed backend systems; experience with Kubernetes and cloud-native infrastructure; strong technical leadership and mentorship.
OAuth 2.0, OIDC, JWT, AWS Cognito, Python, FastAPI, Pydantic, PostgreSQL, Go, Kubernetes
2mo
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Senior Software Engineer | Remote
Los Angeles or United States
RemoteFull Time
Senior full-stack engineer to lead frontend tooling, backend services, and cloud infrastructure for production AI integrations; strong JavaScript and Python skills, low-level language experience, media pipeline knowledge, observability and distributed systems expertise.
JavaScript, React, Vue, Angular, Python, C, C++, Rust, Zig, Next.js, FastAPI, Django, Flask, Docker, Kubernetes, PostgreSQL, MongoDB, Redis, Temporal, Airflow, Dagster, Kafka, RabbitMQ, ffmpeg, AWS, GCP, Azure
3w
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Full Stack Engineer
Los Angeles, California, United States
$89k-$136k/yr RemoteFull Time
8+ YOE8+ years full‑stack experience; expert in Node.js, JavaScript, TypeScript, React; experience with microservices, gRPC, relational databases, Redis, AWS, Docker/Kubernetes; US work authorization required.
TypeScript, gRPC, React, GoLang, Redis, Memcached, MariaDB, MySQL, Postgres, RESTful APIs, Node.js, JavaScript, StoryBook, CSS/SASS, AWS, Docker, Kubernetes, GraphQL, Flask, FastAPI, Kafka, Python, Figma
2d
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ML Platform Engineer
Los Angeles, California, United States
$170k-$300k/yr OnsiteFull Time
Production ML infrastructure experience; strong Python and SQL; Kubernetes, containers, distributed systems, model registries, feature systems, inference, CI/CD, observability, and stakeholder collaboration.
MLflow, Dagster, ECR, FastAPI, EKS, Python, SQL, Kubernetes, Feast, Tecton, Ray Serve, KServe, Triton, BentoML, SageMaker, Vertex AI, gRPC, Go, Rust
1mo
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Data Engineer
New York or Los Angeles or San Francisco
$140k-$175k/yr HybridFull Time
3+ YOEBS or equivalent, 3+ years data engineering experience, Python and SQL proficiency, experience with PySpark and distributed data processing, AWS experience preferred, LLM-assisted development familiarity, and willingness to participate in on-call support.
S3, Apache Iceberg, EMR, PySpark, Dagster, Kubernetes, ClickHouse, PostgreSQL, FastAPI, Metabase, Python, SQL, AWS, AWS Athena, EHR, OMOP CDM, HIPAA, LLM
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Mid-Level AI Product / Creative-Tools Engineer
Santa Ana, California, United States
$120k-$155k/yr OnsiteFull Time
2–4 years production software engineering experience; strong React and TypeScript; modern React toolchain (Next.js or Vite); Node.js backend and relational DB knowledge; automated testing; fluency with agentic coding tools.
React, TypeScript, Next.js, Vite, Node.js, NestJS, Python, FastAPI, Claude Code, Codex, Cursor, Playwright, TanStack Query, Mantine, SSE, WebSockets
2mo
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Trading, Investment & Optimization - QuantAI Engineer (Hybrid)
Seattle or Chicago or Los Angeles or Atlanta or Houston or Arlington or San Francisco or Morristown or Boston or Dallas or San Diego or New York
HybridFull Time
3+ YOEBachelor's in CS/engineering or related field; 3+ years in client-facing tech delivery; strong backend/API/full-stack or ML workflows; experience with enterprise hardening and deployment.
Electron, FastAPI, Docker, cloud services, evaluation tooling, agent orchestration frameworks, MCP-style integrations, Python, TypeScript, JavaScript
2mo
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Senior Platform Engineer, Data & AI Infrastructure
Durham or New York City or Los Angeles or Phoenix
$140k-$160k/yr HybridFull Time
4+ YOE4+ years of professional software engineering with backend focus; strong Python, cloud, and data tooling; experience with AI/LLM integration and security best practices.
Terraform, GitOps, Snowflake, Fivetran, DBT, Python, FastAPI, Docker, Kubernetes, OpenAI, Anthropic, Google Gemini, BigQuery, Dataform, Cloud Run, Compute Engine, Secret Manager, Artifact Registry, Cloud Build, Cloud Monitoring, IAM, Secret Management, ECR, CodePipeline, CI/CD
2mo
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Senior AI Engineering
Pasadena or New York City or Houston
$150k-$275k/yr OnsiteFull Time
10+ YOE10+ years in software/AI engineering, experience delivering production LLM/AI solutions, strong Python and cloud (Azure) skills, experience with ML/LLM frameworks, and fintech/regulatory domain knowledge.
Python, FastAPI, Flask, Azure OpenAI, Azure ML, Databricks, ADLS, Azure AI Search, OpenAI ChatGPT, OpenAI Codex, Anthropic Claude, Google Gemini, Microsoft Copilot, AWS Bedrock, Llama, Mistral, LangChain, LlamaIndex, Semantic Kernel, vector databases, model registries, CI/CD, MLOps, LLMOps
1mo
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Agentic AI Architect - Intelligence Engineering (West)
Denver or East Bay or Los Angeles or Orange County or Phoenix or Portland or Salt Lake City or San Diego or San Francisco or Seattle or Silicon Valley
$108k-$237k/yr HybridFull Time
5+ YOE5+ years software engineering experience with 2+ years on generative/agentic AI, multi-agent system design, RAG architectures, cloud AI platform deployment, Python proficiency, and strong communication skills.
Python, FastAPI, Flask, Lang Graph, Strands Agents SDK, OpenAI Agents SDK, Google ADK, LangSmith, Model Context Protocol (MCP), AWS Bedrock, Azure AI Foundry, OpenAI Service, GCP Vertex AI, Gemini, Databricks, Claude Code, Cursor, Kiro, RAGAS, DeepEval
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