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29 senior fullstack engineer jobs at 21 companies in Santa Rosa, CA

1mo
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Senior Fullstack Engineer, Postman Insights
San Francisco or Boston or Austin or New York City or Tokyo or London or Bangalore
OnsiteFull Time
Postman
Postman: Platform for building, testing, and managing software APIs.
Senior fullstack engineer with strong track record launching user-facing frontend and backend features, architecture experience, driving large projects, fast startup experience, product focus, AI familiarity, and ability to work from San Francisco office 5 days/week.
Postman Insights, Postman
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3h
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Senior Fullstack Engineer
Da Nang or San Francisco or United States or Vietnam or Europe
OnsiteFull Time
Flodesk: Design-focused email marketing and commerce platform for creators.
Strong frontend or backend engineering skills; TypeScript, React, modern build tools, SOA, Golang or Node.js, databases, AWS, scalable systems, AI-assisted development, product thinking, ownership, and collaboration.
TypeScript, React, Vite, Turbo, Golang, Node.js, MongoDB, PostgreSQL, AWS, Claude Code, Cursor, Codex, Figma, Shopify, Zapier, WooCommerce, MacBook Pro
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3mo
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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
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4w
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Senior Fullstack Engineer
San Francisco, California, United States
$230k-$280k/yr OnsiteFull Time
Mochi Health
Mochi Health: Provides telehealth weight management and prescription medication services.
5+ YOE5+ years full-stack experience, production systems experience, strong frontend state management, data modeling, ownership of lifecycle, experience with Kubernetes/Terraform/AWS, mentoring skills, and familiarity using frontier AI tools.
Kubernetes, Terraform, AWS, React, CI/CD, Codex 5.3, Claude Opus 4.6
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2w
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Senior Fullstack Engineer
Palo Alto or San Francisco
$170k-$210k/yr HybridFull Time
Midi Health
Midi Health: Virtual medical care for women navigating midlife and menopause.
6+ YOE6+ years building production full‑stack web applications; strong system design; hands‑on experience with Django/DRF and React/Next.js or equivalent; fluent with AI coding tools; excellent communication and mentorship.
Claude Code, Cursor, Copilot, Django, DRF, React, Next.js
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3w
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Senior Fullstack Engineer
San Francisco, California, United States
$170k-$250k/yr OnsiteFull Time
Circleback
Circleback: AI-powered platform for capturing and managing workplace meeting intelligence.
3+ YOE3+ years building and shipping full‑stack software; experience with React/Next.js, Electron, Swift, React Native; AI and product-oriented engineering judgment.
React, Next.js, Electron, Swift, React Native
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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
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2mo
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Staff Fullstack Engineer
New York City or San Francisco
HybridFull Time
Dispatch
Dispatch: Syncing client data across financial advisor software tools.
10+ YOE10+ years engineering experience; deep Node and React proficiency; track record architecting and shipping high-scale production systems; experience setting technical direction across teams; startup experience preferred.
React, Node, Fastify, MUI, React Query, Vite, Storybook, Playwright, Go, Postgres, gRPC, Protobuf, Redis, AWS, Terraform, GitHub Actions
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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
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2mo
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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
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3w
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Senior Fullstack Product Engineer (Go)
London or New York City or San Francisco or Palma or Casablanca
OnsiteFull Time
Nuitée
Nuitée: Provides API infrastructure for the global travel industry.
Experienced Go backend and modern frontend (Next.js/Vue.js) developer with product focus, UX judgement, and ability to own features end-to-end.
Golang, Next.js, Vue.js
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2mo
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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
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1mo
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Fullstack Design Engineer
San Francisco, California, United States
$140k-$180k/yr OnsiteFull Time
Blaxel
Blaxel: Cloud infrastructure purpose-built for autonomous AI agents.
Design and ship end-to-end product experiences; strong design craft, front-end fundamentals (TypeScript, React, CSS), AI fluency, analytics-driven iteration, and building design systems.
TypeScript, React, CSS, Figma
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4w
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Member of Technical Staff, Fullstack
San Francisco, California, United States
$205k-$225k/yr OnsiteFull Time
Envoy
Envoy: Unified workplace management platform for hybrid office operations.
7+ YOEBS/MS in CS or related field,7+ years building production fullstack software with React and TypeScript plus backend experience (Java/Kotlin/Ruby),Postgres,Git,CI/CD,API design,product-focused mindset.
React, JavaScript, TypeScript, HTML, CSS, Postgres, Git, GitHub, CI/CD, RESTful APIs, GraphQL, Java, Kotlin, Ruby on Rails, LenelS2, Brivo, Genetec, Honeywell, Cisco Meraki, Okta, Microsoft Azure, Microsoft Teams, Slack, ServiceNow, DocuSign, Avigilon Alta, Descartes Visual Compliance
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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
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1mo
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Senior Software Engineer, Platform Fullstack - Hiring Sprint
San Francisco, California, United States
$196k-$255k/yr HybridFull Time
Airbyte
Airbyte: Open-source data integration platform for automated data movement.
5+ YOE5+ years building production fullstack applications; deep expertise with React and TypeScript; strong backend experience building APIs and distributed systems; familiarity with cloud infrastructure and modern deployment workflows.
React, TypeScript, Kubernetes, Docker, Terraform, GitHub Actions, CI/CD, Grafana, Datadog, Prometheus, Java, Kotlin
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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
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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
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1w
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Senior Product Engineer, Fullstack
San Francisco, California, United States
$160k-$230k/yr OnsiteFull Time
Together AI
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).
JavaScript, TypeScript, React, Next.js, Tailwind, shadcn/ui, Amplitude, Grafana, CI/CD, Go, Python
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2mo
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Senior Software Engineer, Backend Full Stack - Rippling AI
San Francisco or New York City
$168k-$280k/yr OnsiteFull Time
Rippling
Rippling: Unified platform managing workforce HR, IT, and finance operations
5+ YOE5+ years software engineering experience, fullstack production experience, familiarity with Python, Django, React, Postgres, MongoDB, and AWS; strong problem solving and cross-functional collaboration skills.
Python, Django, React, Postgres, MongoDB, AWS, Slack, Microsoft 365
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