20 python fullstack software engineer jobs at 17 companies in Fairfield, CA
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Fullstack Software Engineer
San Francisco, California, United States
$170k-$200k/yrHybridFull Time
Collective: All-in-one financial platform for self-employed entrepreneurs.
3+ YOE3–4 years of production software experience; strong fullstack skills (Python, Django, React); experience with external APIs and real-world data; hands-on AI developer tools; ability to ship end-to-end features with instrumentation; SQL and data warehousing (BigQuery a plus).
San Francisco or New York City or London or Sydney
$240k-$270k/yrOnsiteFull Time
Sigma Computing: Cloud-native analytics platform featuring a spreadsheet-style interface.
10+ YOE10+ years building and deploying high-quality web software; strong CS fundamentals; experience with Rust, Go, GraphQL, and TypeScript; continuous deployment and distributed systems experience preferred.
VisaNYSE: V: Global payment technology facilitating electronic funds transfers.
2+ YOEMaster's degree in a technical field or Bachelor's + 2 years, or 5 years related experience; expertise in one or more languages (Java, C#, C++, Python, PHP, JavaScript); experience building scalable services; familiarity with front-end (HTML, CSS, JavaScript) and modern tools (Angular, React, Kubernetes, Docker).
Pivotal Health: AI platform automating healthcare insurance claim disputes for providers.
6+ YOE2+ Mgmt6+ years software engineering experience with recent backend work, 2+ years managing engineers, experience with integrations and third-party APIs, customer-facing communication, Python familiarity, and Bachelor's in STEM preferred.
EDI, 835/837, HL7, FHIR, ICD-10, CPT, Epic, Cerner, SFTP, Python
E3 Group: Builds AI-powered agentic platforms for freight logistics automation.
Proven fullstack development experience; front-end (HTML,CSS,JavaScript,React/Angular) and back-end (Node.js,Python,Ruby,Java) proficiency; RESTful API and Git experience; strong problem-solving and communication skills.
Lynx Analytics: Provides graph-based AI and big data analytics solutions for enterprises.
5+ YOEBachelor's in CS, 5+ years full-stack development across front- and back-end, experience with React/Next.js and Python, cloud-native experience, overlap 3 hours/day with Pacific Time, strong communication.
DocuSignNASDAQ: DOCU: Provider of e-signature and intelligent agreement management software.
5+ YOE5+ years software development; 3+ years JavaScript/Typescript web apps; experience with React, backend services, unit testing, CI/CD, Git; BS in CS preferred.
Software Engineer II, Frontend/AI Fullstack - Growth Engineering
San Francisco, California, United States
$135k-$225k/yrHybridFull Time
Rippling: Unified platform managing workforce HR, IT, and finance operations
3+ YOE3+ years software engineering experience; strong frontend skills in React and TypeScript; experience with Python/FastAPI, LLM-powered products, LangChain/LangGraph/LangSmith; ability to build full‑stack features and AI chat workflows.
LangChain: Tools for building and deploying production-ready AI agents.
Extensive full-stack experience with React, TypeScript, and Go and/or Python; familiarity with Postgres, Redis, REST APIs, usage metering, subscriptions, and monetization systems; strong product intuition and analytics-driven mindset.
Mountain View or Los Angeles or San Francisco or New York City
$170k-$230k/yrHybridFull Time
Commure: AI-powered software platform for healthcare workflow and administrative automation.
4+ YOE4+ years software engineering; strong fullstack Python backend and TypeScript/React frontend; Docker and Kubernetes; experience with LLM APIs; production AI features; able to ship quickly.
Zendesk: Provides cloud-based software for customer service and support.
3+ YOE3+ years of production software experience; backend-first with APIs, async systems, integrations, and real-time systems; ownership of features end-to-end; experience with real-time or event-driven tech such as WebSockets/WebRTC.
London or San Francisco or Toronto or New York City or Montreal or Paris or Seoul or Germany or United States or Canada or Europe
HybridFull Time
Cohere: Provides enterprise-grade large language models and AI software platforms.
2+ YOE2+ years experience; shipped fullstack production code with Python and React; experience building/deploying RAG/agentic applications; strong coding, security/privacy focus; collaboration with researchers.
Together AI: Cloud platform for training and deploying artificial intelligence models.
4+ YOE4–7 years building and shipping product, strong JavaScript/TypeScript and React, full-stack fluency, experience with Next.js/Tailwind a plus, familiarity with analytics/monitoring and backend languages (Go or Python).