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42 node js backend jobs at 28 companies in Fairfield, CA

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Remote Backend Engineer (Python/FastAPI)
San Francisco or United States or Berlin
€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, production deployment experience, software architecture and debugging, excellent communication.
Python, FastAPI, JavaScript, React, Node.js, C/C++, Java, Rust, Go
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3w
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Senior Backend JavaScript Developer - San Francisco Office
San Francisco, California, United States
OnsiteFull Time
Bright Data
Bright Data: Provides automated web data collection and proxy infrastructure platforms.
5+ YOE5+ years software engineering experience with 2+ years backend JavaScript/Node.js; strong networking and security knowledge; experience with MongoDB, Redis, Kubernetes; production service ownership and debugging skills.
Node.js, JavaScript, MongoDB, Redis, Kubernetes, AWS, Wireshark
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1mo
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Senior Software Engineer - Backend
San Francisco, California, United States
$158k-$238k/yr HybridFull Time
Hinge Health
Hinge HealthNYSE: HNGE: Digital provider of musculoskeletal care and physical therapy
5+ YOEBachelor's in CS/Engineering or equivalent, 5+ years professional software development, delivered large production projects, proficiency in at least one modern language, experience with cloud/distributed systems and production reliability.
React Native, React, Node.js, TypeScript, Nestjs, GraphQL, Docker, Rails, AWS, Postgres, Redis, Apollo, Redux, Python, Java, JavaScript
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1mo
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Senior Software Engineer, Backend
Sofia or San Francisco or North America or Europe or Australia
HybridFull Time
LucidLink
LucidLink: Cloud-native file streaming for real-time remote collaboration.
5+ YOE5–8 years software development experience; strong knowledge of TypeScript/JavaScript, Node.js or React; web architecture, RESTful APIs, microservices; automated testing, code reviews, CI/CD; cloud platform familiarity; English fluency.
TypeScript, Node.js, React, JavaScript, AWS, GCP, Azure, CI/CD
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4w
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Staff Software Engineer, Backend
Los Angeles or San Francisco
$200k-$240k/yr OnsiteFull Time
Cantina
Cantina: Social platform for creating and interacting with AI characters.
5+ YOE5–10 years backend engineering experience; Bachelor's degree in CS/Engineering; proficiency in Golang, Node.js, JavaScript/TypeScript, Postgres, and AWS; experience with microservices, REST APIs, and growth-focused projects.
Golang, Node.js, JavaScript, TypeScript, Postgres, AWS Lambda, DynamoDB, API Gateway, S3, Segment, Branch.io
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1mo
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Staff Full Stack/Back End Engineer (NodeJS+React)
South San Francisco, California, United States
HybridFull Time
Deep Origin
Deep Origin: Platform for scientific simulation and drug discovery research.
10+ YOE10+ years building scalable distributed systems; 5+ years with React/TypeScript/JavaScript/NodeJS; experience with Postgres, MongoDB, Kubernetes, cloud infra, multi-tenant systems; authorized to work in the U.S.; strong system design skills.
React, TypeScript, JavaScript, NodeJS, Postgres, MongoDB, Kubernetes
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1w
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Software Engineer (TypeScript/JavaScript)
Boston or Salt Lake City or San Francisco or New York City
RemoteFull Time
Databento
Databento: Provides a pay-as-you-go financial market data platform.
5+ YOEMid/senior engineer experienced with TypeScript/JavaScript, building/maintaining JS client libraries, React/Redux front-ends, native integrations (N-API/node-addon-api/Wasm), and backend work in Python or Rust.
TypeScript, JavaScript, N-API, node-addon-api, Wasm, React, Redux, Vite, Web Workers, WebSockets, Python, Rust, REST API, Storybook, Figma, CI/CD, npm
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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
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1mo
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Senior Software Development Engineer In Test, ML/AI
San Mateo, California, United States
$183k-$275k/yr HybridFull Time
Sony Interactive Entertainment
Sony Interactive EntertainmentNYSE: SONY: Provides PlayStation gaming hardware, software, and digital network services.
5+ YOEBachelor's in CS, 5+ years SDET/QE experience for backend/distributed systems, experience with LLMs and ML evaluation, proficiency in Python/Java/JS, automation frameworks, CI/CD, cloud and container tech.
Python, Java, JS, pytest, JUnit, Selenium, Playwright, Cypress, Appium, Jenkins, GitHub Actions, AWS, GCP, Kubernetes, Docker, Databricks, Seldon, KServe, Ray Serve, Node.js, React, LLMs
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3w
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Product Engineering Team - Software Engineer (Staff)
San Francisco, California, United States
$220k-$260k/yr HybridFull Time
Sprinter Health
Sprinter Health: Mobile provider of in-home diagnostic and preventive healthcare services.
5+ YOE5+ years backend or full‑stack engineering experience; experience building scalable backend services, APIs, and integrations; strong system design, mentoring, and product collaboration skills.
AWS AppSync, DynamoDB, Lambda, Amplify, CloudFormation, Node.js, React Native, React Native for Web, GraphQL, TypeScript, JavaScript
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2mo
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Software Engineer, Full-Stack
San Francisco or Seattle
$164k-$284k/yr HybridFull Time
Superhuman
Superhuman: An AI-native productivity platform for email, writing, and collaboration.
3+ YOE3+ years full-stack development; strong CS fundamentals; production systems; frontend and backend; modern web tooling; independent and collaborative.
JavaScript, TypeScript, React, Node.js, Infrastructure as Code, CI/CD, AWS
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2mo
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Full-Stack Software Engineer, Applied Foundations
San Francisco, California, United States
$185k-$385k/yr HybridFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
Design and implement safe frontend and backend systems; build full-stack apps; collaborate with cross-functional teams; ship end-to-end solutions.
JavaScript, TypeScript, React, Node.js, Python
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2mo
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US - Full Stack Engineer
San Francisco, California, United States
$120k-$160k/yr HybridFull Time
AuxoAI
AuxoAI: Developing AI-driven enterprise software and intelligent automation solutions.
3+ YOEBachelor’s degree or equivalent experience; 3-6 years experience; frontend and backend development; cloud and CI/CD; API development; AI-assisted tools familiarity.
React, Angular, Vue.js, HTML, CSS, JavaScript, Java, Python, C#, Node.js, Spring, Vert.x, FastAPI, API, PostgreSQL, MySQL, MongoDB, Neo4J, AWS, Azure, GCP, CI/CD, GitHub Actions, Azure DevOps
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1w
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Software Engineer
San Francisco or Seattle
$146k-$235k/yr HybridFull Time
DocuSign
DocuSignNASDAQ: DOCU: Provider of e-signature and intelligent agreement management software.
5+ YOE5+ years software development, Bachelor's in CS or related, experience with backend and frontend frameworks, cloud and container experience preferred, strong problem-solving and collaboration skills.
C#, Go, Java, Node.js, React, Angular, Vue.js, TypeScript, JavaScript, Azure, AWS, GCP, Kubernetes, Docker
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3mo
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Senior Platform Engineer
San Francisco, California, United States
OnsiteFull Time
Ironsite
Ironsite: AI-powered wearable cameras for construction safety and productivity.
4+ YOE4+ years in full-stack platform development; backend with Node.js, PostgreSQL, Redis; AWS; API design and microservices; real-time data processing; enterprise security.
Node.js, PostgreSQL, Redis, AWS, APIs, Microservices, JavaScript, Web Frameworks
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2mo
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Software Engineer, Product
San Mateo or Provo or Canada or United States
$165k-$350k/yr RemoteFull Time
GC AI
GC AI: AI-powered legal platform for in-house legal teams.
3+ YOE3+ years building production web applications; strong JavaScript/TypeScript and React skills; experience designing scalable backend systems and using GCP; strong architecture and collaboration skills.
JavaScript, TypeScript, React, Node.js, GCP, Drizzle, Prisma, LLM
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1mo
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Member of Technical Staff- Full Stack Software Engineer
San Mateo, California, United States
OnsiteFull Time
Fireworks AI
Fireworks AI: Provides high-performance generative AI model inference and deployment infrastructure.
6+ YOE2+ MgmtBachelor's or equivalent,6+ years full stack experience,2+ years technical leadership,frontend (React,TypeScript,Next.js) and backend (Node.js,Python,Go) expertise,cloud and container experience.
React, TypeScript, JavaScript, Next.js, Node.js, Python, Go, SQL, NoSQL, GraphQL, AWS, GCP, OCI, Docker, CI/CD, LangChain, LlamaIndex
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1mo
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Founding Engineer
San Francisco, California, United States
OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
Proficiency with TypeScript/JavaScript and Python; backend Node.js and REST API experience; frontend React; PostgreSQL and Supabase; experience integrating OpenAI or Claude; ability to own product areas and ship to production rapidly.
TypeScript, JavaScript, Python, Node.js, React, PostgreSQL, Supabase, OpenAI, Claude, REST API
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1mo
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Software Engineer II, Data Solutions
Chicago or New York City or San Francisco or Illinois or California or Colorado or New York
$85k-$130k/yr OnsiteFull Time
Tempus AI
Tempus AINASDAQ: TEM: Builds a data platform for AI-powered precision medicine diagnostics.
8+ YOE8+ years in software/data engineering with platform or distributed systems experience; strong TypeScript/Node.js or Python backend skills; deep GCP, cloud storage, and data warehousing experience; on-call and mentorship experience.
TypeScript, JavaScript, Python, Node.js, GCP, GCS, S3, Dataflow, BigQuery, Cloud Spanner, JSON Schema, Avro, GKE, CI/CD
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1mo
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Software Engineer, Product Frontend (8+ YOE)
San Francisco or New York City
$213k-$340k/yr HybridFull Time
Airtable
Airtable: No-code platform for building collaborative apps and business workflows.
8+ YOE8+ years full-stack web development experience, emphasis on user-facing feature work; leadership of large initiatives; proficient with JavaScript and React; experience across frontend and backend systems and web architecture.
AWS, Node.js, SQL, React, HTML, CSS, JavaScript
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