176 fastapi developer jobs at 116 companies in Lafayette, CA
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Backend Engineer (Python / FastAPI)
San Francisco or Hyderabad
OnsiteFull Time
3+ YOERequires strong FastAPI and Python expertise, asynchronous programming knowledge, production backend scaling experience, database performance skills, and 3–5 years of backend development experience.
FastAPI, Python, Django, asyncio, GraphQL, Golang, NodeJS, Postgres, Redis, Amazon Web Services (AWS), Kubernetes, Rancher, RabbitMQ, Kafka, DataDog, Sentry, GitHub, Slack, Plane, Figma, Whimsical
19h
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Remote Backend Engineer (Python/FastAPI)
San Francisco or United States
$200-$300/hr RemoteContract
3+ YOE3+ years of software engineering experience; expertise in Python, JavaScript, React, and Node.js; experience deploying scalable production software; strong architecture, debugging, code review, and communication skills.
Python, FastAPI, JavaScript, React, Node.js, C, C++, Java, Rust, Go
2mo
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Senior Backend Engineer
San Francisco, California, United States
$175k-$275k/yr OnsiteFull Time
5+ YOE5+ years backend development with Python, FastAPI/Pydantic; Kubernetes/EKS; relational databases; AWS stack; building scalable services.
Python, FastAPI, Pydantic, Kubernetes, EKS, PostgreSQL, Redis, S3, DynamoDB, AWS
3w
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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
2w
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Software Engineer
Hayward, California, United States
$112k-$162k/yr OnsiteFull Time
Master's in CS/CE or related required; no prior work experience required; demonstrated coursework or projects in HTML,CSS,JavaScript,TypeScript,Flask,FastAPI,React, algorithms, databases, and full-stack development.
LIMS, FastAPI, Flask, HTML, CSS, JavaScript, TypeScript, React
1mo
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Senior Software Engineer - Python
Toronto or San Francisco
$130k-$225k/yr RemoteFull Time
5+ YOE5+ years software development with production-level Python, enterprise SaaS/scale experience, proficiency with Python, Git, FastAPI, Pydantic, strong communication and mentorship skills, and unrestricted right to work in the U.S.
Python, Git, FastAPI, Pydantic
1mo
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Senior Software Engineer II, Enterprise Platform
San Francisco, California, United States
$180k-$256k/yr OnsiteFull Time
7+ YOE7+ years backend engineering experience with APIs, multi-tenancy, auth, Python/FastAPI, Kubernetes, AWS, and database design; strong API design and developer experience focus.
Python, FastAPI, Kubernetes, AWS, SQL, OpenAPI, OIDC, OAuth 2.0, OPA, REST
1mo
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Founding Engineer
San Francisco, California, United States
$120k-$150k/yr OnsiteFull Time
Experienced engineer to build core systems for quoting, procurement, and decision-making; systems thinking, high ownership, speed with judgment; familiarity with Next.js, TypeScript, Python/FastAPI, and PostgreSQL.
Next.js, TypeScript, Python, FastAPI, PostgreSQL
1mo
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Sr Product Engineer
Palo Alto or California
$180k-$250k/yr OnsiteFull Time
5+ YOE5+ years backend development experience; proficiency with Python, FastAPI, PostgreSQL; experience with LLM/ML products; comfortable owning frontend (React/TypeScript); BS/MS in CS or related; located in San Francisco Bay Area or willing to relocate.
Python, FastAPI, PostgreSQL, TypeScript, React, Claude Code, Codex, Cursor, MCP servers, LLMs, ML, AWS, Supabase, LaunchDarkly, Betterstack
3mo
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Staff Platform Engineer (Pacific Time Zone)
San Francisco, California, United States
$225k-$275k/yr HybridFull Time
Senior backend engineer with platform and control-plane experience; strong Python (FastAPI) and AWS; multi-tenant SaaS; focus on observability, reliability, and developer productivity.
Python, FastAPI, AWS, Snowflake, Airflow, Spark, RBAC, API design, KMC/PSS
2mo
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Backend Software Engineer
San Francisco, California, United States
$167k-$231k/yr HybridFull Time
3+ YOE3+ years software development experience (AI/ML focus), BS/MS in CS/Engineering or equivalent, experience with GenAI, Python APIs (FastAPI/Django), containerized cloud deployments (Docker, AWS), CI/CD, and secure coding.
Python, FastAPI, Django, AWS, Docker, Terraform, Pulumi, React
1mo
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Backend Engineer - Mission Operations Services
San Francisco or Golden or Toulouse
$140k-$190k/yr OnsiteFull Time
Production Python development, Docker/container experience, backend web frameworks (Django/Flask/FastAPI), API design (HTTP/GraphQL/REST), and working with databases (Postgres, time-series DBs). Experience operating mission-critical systems preferred.
Python, Docker, Django, Flask, FastAPI, GraphQL, HTTP, REST, Postgres, InfluxDB, TimescaleDB, Kubernetes, Cockpit
1mo
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ML Platform Engineer
United States or San Francisco
$136k-$167k/yr RemoteFull Time
5+ YOE5+ years software development experience focused on data/ML/AI infrastructure; building scalable distributed systems; strong coding and design skills; proficiency with Python/Golang, Kafka, Postgres, Redis, FastAPI, Ray; cloud experience (AWS).
Python, Golang, Kafka, Postgres, Redis, FastAPI, Ray, AnyScale, LangGraph, LangSmith, AWS
1mo
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Product Engineer
San Francisco, California, United States
$115k-$150k/yr OnsiteFull Time
2+ YOE2+ years full-stack engineering experience; strong Python and React preference; SQL fluency; experience with FastAPI/Postgres/React stack; strong communication, systems mindset, and customer-focused problem solving.
FastAPI, Python, Postgres, PostgreSQL, React, SQL, Slack
1w
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AI Engineer
San Francisco, California, United States
$170k-$220k/yr OnsiteFull Time
1+ YOE1-2 years backend/full-stack production experience; familiarity with OpenAI API and LLM APIs; strong Python and FastAPI skills; experience with Redis and Postgres; passion for open source and user engagement.
Python, LLM APIs, FastAPI, Redis, Postgres, OpenAI API, Anthropic, Python SDK
2w
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Founding Product Engineer
San Francisco, California, United States
$200k-$250k/yr OnsiteFull Time
8+ YOE8+ years engineering experience, shipped end-to-end product areas, strong backend depth with FastAPI/Python/MongoDB, frontend experience with React/TypeScript, US work authorization required, no visa sponsorship.
TypeScript, React, Vercel Chat SDK, Python, FastAPI, Mongo, Atlas, GCP, Pulumi, Cloudflare Pages, FastMCP, Langfuse, Claude Code, Cursor, Vercel Eve
1mo
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Product Engineer
Sunnyvale, California, United States
$150k-$250k/yr OnsiteFull Time
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
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
3mo
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Senior Backend Engineer (Python)
San Francisco, California, United States
$175k-$250k/yr RemoteFull Time
4+ YOE4+ years building production back-ends in Python; real-time streaming; AWS/GCP/Azure; PostgreSQL/Redis; FastAPI/asyncio; HIPAA security.
Python, FastAPI, asyncio, WebRTC, WebSockets, gRPC, AWS, GCP, Azure, Kubernetes, Kafka, SQS, Pub/Sub, Terraform, PostgreSQL, Redis, OpenTelemetry
2mo
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Software Engineer - Full Stack
San Francisco, California, United States
$120k-$150k/yr OnsiteFull Time
Experience owning end-to-end production projects, building backend systems and APIs, strong AWS and Python (Django/FastAPI) skills, PostgreSQL expertise, and legal authorization to work in the US without sponsorship.
REST, gRPC, AWS, Python, Django, FastAPI, PostgreSQL, ClickHouse, Docker, Kubernetes, Kafka, Redis Streams
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