22 fullstack python developer jobs at 19 companies in Vacaville, CA

PromotedHiringCafe
Founding Backend / Infra Engineer
Cupertino, CA, US
$160k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Own the crawlers, pipelines, and infrastructure powering a real-time job search engine. Strong Node.js and Python fundamentals; bonus points for security and reverse-engineering chops.
Node.js, Python, Elasticsearch, Redis
PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
2mo
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Fullstack Software Engineer
San Francisco, California, United States
$170k-$200k/yr HybridFull Time
Collective
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).
Python, Django, React, SQL, BigQuery, APIs
1mo
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Fullstack Developer (US)
New Jersey or New York City or San Francisco
OnsiteFull Time
Lynx Analytics
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.
React, Next.js, Jest, React Testing Library, Python, AWS, Azure, GCP, Docker, Kubernetes, CI/CD
1mo
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Fullstack Software Engineer, Applied AI
San Francisco, California, United States
$130k-$500k/yr OnsiteFull Time
Mercor
Mercor: Connecting expert human intelligence with frontier AI model development.
5+ YOE5+ years fullstack experience; JS/TS (React/Next.js); Python/Node.js backend; data pipelines; strong UX; able to own frontend and backend.
React, Next.js, Python, Node.js, REST, Relational databases
2mo
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Fullstack Engineer, Creator Home
New York or San Francisco
$189k-$256k/yr HybridFull Time
Patreon
Patreon: Membership platform for creators to monetize work and engage fans.
2+ YOE2–3+ years in software development; Python experience; backend systems; product-minded; ability to explain trade-offs.
Python, React, TypeScript, APIs
1w
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Fullstack Software Engineer
San Francisco or New York City or United States
RemoteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
2+ YOEProficiency with TypeScript, React, Python (FastAPI), PostgreSQL, and AWS; 2+ years full-stack experience; fintech or regulated-industry experience; strong CS fundamentals.
TypeScript, React, Python, FastAPI, PostgreSQL, AWS
1mo
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Senior Fullstack Engineer, Growth & Monetization
New York City or San Francisco or Boston
$175k-$240k/yr OnsiteFull Time
LangChain
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.
LangSmith, LangChain, LangGraph, Deep Agents, LangSmith Engine, React, TypeScript, Python, Go, REST APIs, Postgres, Redis
1mo
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Senior Fullstack Engineer - Growth + Onboarding
New York City or San Francisco or Los Angeles
$180k-$210k/yr HybridFull Time
Pivotal Health
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
2mo
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Fullstack Software Engineer, Notifications Lifecycle
San Francisco, California, United States
$164k-$229k/yr RemoteFull Time
Reddit
RedditNYSE: RDDT: Social platform for community-driven discussion and content sharing.
3+ YOE3+ years software engineering; full stack experience; frontend in Typescript, backend in GraphQL, Go, or Python; strong testing and reliability.
Go, Python, Typescript, GQL, Spark, Kafka, Airflow, BigQuery, Redis, Cassandra, PostgreSQL, Kubernetes, Docker
2mo
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AI Software Engineer (Fullstack)
Walnut Creek, California, United States
HybridFull Time
Clearstory
Clearstory: SaaS platform for managing construction project change orders.
2+ YOE2-3+ years software engineering; Python/TypeScript; fullstack React/Postgres; LLM tooling; cloud; Docker; CI/CD; strong communication.
Python, TypeScript, React, Postgres, Docker, CI/CD, GCP
1mo
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Staff Software Engineer - Fullstack
San Francisco or New York City or London or Sydney
$240k-$270k/yr OnsiteFull Time
Sigma Computing
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.
Rust, Go, GraphQL, TypeScript, SQL, Python
2mo
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Senior Fullstack Engineer, Solve
Austin or Madison or San Francisco
$145k-$217k/yr HybridFull Time
Zendesk
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.
Python, FastAPI, React, TypeScript, WebRTC, Redis, MongoDB, LLM / speech
3mo
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Software Engineer - Platform/Applied AI (Fullstack)
San Francisco, California, United States
$180k-$220k/yr OnsiteFull Time
AfterQuery
AfterQuery: Curating specialized datasets and environments to train frontier AI models.
Proficiency in JavaScript (Next.js) and Python; full‑stack apps; serverless cloud (GCP/AWS); Redis, Elasticsearch, Kafka/RabbitMQ; AI/LLM background; production experience.
Next.js, JavaScript, Python, Cloud Services (GCP/AWS), Redis, Elasticsearch, Kafka, RabbitMQ
3mo
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Senior Software Engineer II, Developer Experience
New York or San Francisco or Santa Clara
$213k-$250k/yr HybridFull Time
Carta
Carta: Software platform for cap table management and fund administration.
8+ YOE8+ years in platform, backend, or fullstack engineering; production LLM experience; API and developer ergonomics focus; Python or Java; CI/CD tooling; cloud-native stack; security-minded.
Python, Java, CI/CD tooling, GitHub Actions, CircleCI, ArgoCD, Jenkins, Docker, AWS, Terraform, Kubernetes, Vault, Cloudsmith
2d
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Software Engineer II, Frontend/AI Fullstack - Growth Engineering
San Francisco, California, United States
$135k-$225k/yr HybridFull Time
Rippling
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.
FastAPI, Kubernetes, Databricks, Kafka, Snowflake, PostgreSQL, Redis, LLM APIs, React, TypeScript, Next.js, Python, LangChain, LangGraph, LangSmith
1mo
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Software Engineer - Fullstack (New Revenue)
San Francisco or Seattle
$140k-$235k/yr HybridFull Time
DocuSign
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.
JavaScript, Typescript, React, C#, Python, Java, Git, Redux, Angular, CI/CD
1mo
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Software Engineer, Adoption
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
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.
Python, TypeScript, React, Postgres, Kubernetes
2mo
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Senior Software Engineer, Air AI
Mountain View or Los Angeles or San Francisco or New York City
$170k-$230k/yr HybridFull Time
Commure
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.
Python, TypeScript, React, Docker, Kubernetes
3mo
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Forward Deployed Engineer
San Francisco, California, United States
$150k-$180k/yr OnsiteFull Time
Parakeet Health
Parakeet Health: AI voice platform automating administrative workflows for healthcare providers.
1+ YOE1-3 years engineering, full-stack capable, Python a plus; ships real products and makes independent judgments.
Python, Full Stack, APIs
3mo
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Staff/Principal Application Security Engineer
San Francisco, California, United States
$240k-$330k/yr HybridFull Time
Binti
Binti: Software for government social services and child welfare agencies.
Proven experience in application security with leadership in security architecture and secure coding practices.
Ruby, Python, Java, OWASP, cloud computing, full-stack development