155 fastapi jobs at 103 companies in San Rafael, CA

4d
Save
Mark Applied
Hide
Remote Backend Engineer (Python/FastAPI)
San Francisco, California, United States
$200-$300/hr RemoteContract
Turing
Turing: AI-powered platform connecting companies with global remote software developers.
3+ YOE3+ years software engineering experience; strong Python and JavaScript (React, Node.js) skills; experience building and deploying production-grade scalable systems; excellent communication and code review ability.
Python, FastAPI, JavaScript, React, Node.js, C/C++, Java, Rust, Go
2mo
Save
Mark Applied
Hide
Senior Backend Engineer
San Francisco, California, United States
$175k-$275k/yr OnsiteFull Time
Hedra
Hedra: Builds artificial intelligence models for character-driven video generation.
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
2mo
Save
Mark Applied
Hide
Staff Platform Engineer (Pacific Time Zone)
San Francisco, California, United States
$225k-$275k/yr HybridFull Time
Komodo Health
Komodo Health: Provides AI-driven healthcare data and patient journey analytics software.
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
3mo
Save
Mark Applied
Hide
Senior Backend Engineer (Python)
San Francisco, California, United States
$175k-$250k/yr RemoteFull Time
Ellipsis Health
Ellipsis Health: AI-powered voice agent for healthcare care management.
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
3w
Save
Mark Applied
Hide
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
4d
Save
Mark Applied
Hide
Senior Software Engineer - AI, CoCounsel International
Eagan or Frisco or New York City or Ann Arbor or San Francisco or Los Angeles or Irvine or McLean or Washington
$110k-$204k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
4+ YOE4+ years backend engineering experience with Python, FastAPI, PostgreSQL, AWS; production agentic AI and LLM integration experience; strong debugging, architecture, and collaboration skills.
Python, FastAPI, PostgreSQL, AWS, OpenAI, Anthropic
2mo
Save
Mark Applied
Hide
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
PwC
PwC: Providing audit, tax, and management consulting services to businesses.
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
1mo
Save
Mark Applied
Hide
Founding Engineer
San Francisco, California, United States
$120k-$150k/yr OnsiteFull Time
Avent Industrial
Avent Industrial: AI-powered operating system for industrial supply chains.
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
3w
Save
Mark Applied
Hide
Senior Software Engineer II, Enterprise Platform
San Francisco, California, United States
$180k-$256k/yr OnsiteFull Time
Lila Sciences
Lila Sciences: Develops an AI platform for autonomous scientific research and discovery.
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
Save
Mark Applied
Hide
Engineering Manager
Munich or Austin or San Francisco
OnsiteFull Time
RobCo
RobCo: A developing modular, software-defined industrial robotics and automation solutions.
3+ YOE3+ Mgmt3+ years leading technical teams in robotics or industrial IoT; deep experience with Python, FastAPI, Vue.js, Docker on Linux; strong SDLC, CI/CD, and stakeholder communication skills.
Python, FastAPI, Vue.js, Docker, Linux
1mo
Save
Mark Applied
Hide
Senior Full Stack Software Engineer
Redwood City, California, United States
HybridFull Time
GridCARE
GridCARE: Unlocking electrical grid capacity for AI data center power.
Senior-level experience building production web applications with TypeScript and modern frontend frameworks; backend experience with Python/FastAPI and relational databases; strong product judgment and collaboration skills.
TypeScript, Next.js, React, Vite, Python, FastAPI, PostgreSQL
1mo
Save
Mark Applied
Hide
Senior Software Engineer - Full Stack, Technical Lead
San Francisco, California, United States
$200k-$250k/yr HybridFull Time
Baton
BatonNYSE: R: Builds AI software to automate and optimize supply chains.
5+ YOE5+ years full-stack experience; advanced Python; frontend with React and TypeScript; backend experience with GraphQL/FastAPI; Postgres and AWS familiarity; proven technical project leadership and mentorship.
Python 3, GraphQL, FastAPI, React, TypeScript, Postgres, AWS
3w
Save
Mark Applied
Hide
Software Engineer, AI Runtime & Platform Services
San Francisco, California, United States
HybridFull Time
CrewAI
CrewAI: Platform for orchestrating collaborative multi-agent AI systems.
Strong Python backend/platform experience building production services; FastAPI, Celery, Redis, Pydantic, typed Python; distributed systems, auth/security, observability, testing and CI experience.
Python, FastAPI, Celery, Redis, Pydantic, OpenTelemetry, Sentry, pytest, mypy, ruff, AWS ECS, AWS ECR, Kubernetes, Helm, Rails
3mo
Save
Mark Applied
Hide
Software Engineer (Machine Learning)
Sunnyvale, California, United States
$150k-$250k/yr OnsiteFull Time
Collinear
Collinear: Builds simulation platforms to improve AI agent reliability.
Full-stack software engineer with React/Next.js frontend and Python/FastAPI backend, DevOps experience (Jenkins, AWS, Docker, Kubernetes), testing, SQL/NoSQL, AI/ML exposure.
React, Next.js, Python, FastAPI, Jenkins, AWS, Docker, Kubernetes, SQL, NoSQL, NLP, LLM, TDD
10h
Save
Mark Applied
Hide
Founding Product Engineer
San Francisco, California, United States
$200k-$250k/yr OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
8+ YOE8+ years full-stack engineering with backend (FastAPI, Python, MongoDB), frontend (React, TypeScript), API design (REST/GraphQL), ownership of product modules, and strong correctness for financial logic.
FastAPI, Python, MongoDB, React, TypeScript, REST, GraphQL, MCP, FastMCP, Cursor, Copilot
1mo
Save
Mark Applied
Hide
Platform Engineer, APIs & Observability
San Francisco or New York City
$180k-$200k/yr HybridFull Time
StackAI
StackAI: Build and deploy custom AI agents without writing code.
4+ YOE4+ years building backend services and public APIs; strong REST/OpenAPI skills, observability and distributed tracing, Python and FastAPI, familiarity with TypeScript/Node.js, and analytics-driven metrics and reporting.
OpenAPI, Python, FastAPI, TypeScript, Node.js, OpenTelemetry, ClickHouse, Druid
3d
Save
Mark Applied
Hide
Staff Software Engineer, Continuity
San Francisco or United States
$175k-$230k/yr OnsiteFull Time
Rad AI
Rad AI: Generative AI platform for radiology report automation and workflows.
7+ YOE7+ years engineering experience; strong Python and FastAPI; knowledge of relational and document databases; unit/integration testing; git; distributed systems; performance optimization; experience in HIPAA/healthcare environments preferred.
Python, FastAPI, PostgreSQL, Auth0, Amplitude, git, FHIR, HL7
1mo
Save
Mark Applied
Hide
Backend Engineer - Mission Operations Services
Golden or San Francisco or Toulouse
$140k-$190k/yr OnsiteFull Time
Loft Orbital
Loft Orbital: Deploy and operate satellite missions for organizations and governments.
Production Python experience, Docker, backend web frameworks (Django/Flask/FastAPI), API design (HTTP/GraphQL/REST), and strong backend engineering for mission-critical systems; familiarity with databases and observability.
Python, Docker, Django, Flask, FastAPI, GraphQL, HTTP, REST, Postgres, Kubernetes, InfluxDB, TimescaleDB
1w
Save
Mark Applied
Hide
Software Engineer
Hayward, California, United States
$112k-$162k/yr OnsiteFull Time
Predicine
Predicine: Develops liquid biopsy cancer diagnostics and precision medicine solutions.
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
1w
Save
Mark Applied
Hide
Member of Technical Staff, Product
San Mateo, California, United States
OnsiteFull Time
SkyPilot
SkyPilot: Unified compute platform for orchestrating AI workloads across clouds.
Experienced full‑stack product engineer to own user‑facing features end-to-end; strong product taste; familiarity with SaaS/cloud platforms; experience with NextJS, TypeScript, React, FastAPI, and Python.
NextJS, TypeScript, React, FastAPI, Python