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58 junior full stack developer jobs at 44 companies in Fairfield, CA

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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
Help us #BeatIndeed & #BeatLinkedIn
4w
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Full Stack Engineer
San Francisco, California, United States
$170k-$240k/yr OnsiteFull Time
David AI
David AI: Providing proprietary audio datasets for training advanced AI models.
2+ YOE2+ years full-stack experience, strong web development fundamentals, ability to ship production-grade features and build scalable data pipelines; experience with prototyping, collaborating with researchers, and eagerness to learn ML/audio.
Next.js, TypeScript, TailwindCSS, Node.js, tRPC, PostgreSQL, AWS, Trigger.dev, WebRTC, FFmpeg
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1mo
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Full-Stack Engineer (Boston)
Boston or Cambridge or San Francisco
$150k-$225k/yr HybridFull Time
General Medicine
General Medicine: An online store for upfront-priced medical care and consultations.
2+ YOE2+ years building web apps as a full-stack engineer; proficiency with modern infra and stacks (AWS, Ruby on Rails, NextJS); SQL experience; strong communication, critical thinking, and product/QA ownership.
AWS, Ruby on Rails, NextJS, SQL, EHRs, LLMs
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1mo
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Founding Engineer - Full Stack
San Francisco, California, United States
$150k-$250k/yr OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
1+ YOE1+ years engineering experience (2+ preferred), full-stack proficiency, experience with React, Python, Terraform, and AWS, production LLM/agent experience, strong product sense, US work authorization required.
React, Python, Terraform, AWS
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1mo
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Full-Stack Engineer
San Francisco, California, United States
$157k-$235k/yr HybridFull Time
Stripe
Stripe: Provides online payment processing and financial infrastructure for businesses.
1+ YOEBachelor's in CS or related plus 1 year software development (including internship), 1 year Python, backend API design, front-end UI development, data analysis experience, and contributions to large-scale codebases.
Python, APIs
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1w
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Full-Stack Software Engineer
San Francisco, California, United States
$150k-$190k/yr HybridFull Time
Abby Care
Abby Care: Trains and pays family members to provide home care.
2+ YOE2+ years software engineering experience; strong TypeScript and Python skills; web and API development; cloud/AWS experience; product-led mindset; willing to reside or relocate to San Francisco.
TypeScript, Python, AWS
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1d
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Full-Stack Software Engineer (Product) - Intern - 2026-2027
San Francisco, California, United States
OnsiteInternship
Netic
Netic: AI platform automating customer outreach and bookings for service businesses.
Experience building user-facing full-stack features with React, TypeScript, and Python; familiarity with databases and cloud infrastructure; strong communication and customer empathy.
React, TypeScript, Python, LLM APIs, embeddings, RAG
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1w
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Full Stack Engineer at BudBreak
San Francisco or Napa
HybridFull Time
Phenix Space
Phenix Space: Builds robotic systems for on-orbit satellite assembly and upgrades.
2+ YOE2+ years building production web applications; proficiency in a modern frontend framework and Python or Node.js; experience deploying on GCP or AWS; preferred experience with computer vision, LLMs, geospatial or time-series sensor data.
Python, Node.js, GCP, AWS
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2w
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Full-Stack Software Engineer
United States or San Francisco
RemoteFull Time
Concentrate AI
Concentrate AI: Provides an AI gateway for managing LLM model access.
2+ YOE2+ years experience; strong TypeScript and Node.js skills; frontend experience with React/Next.js; PostgreSQL schema and query knowledge; Docker, CI/CD, JWT/OAuth, testing discipline; familiarity with Fastify and modern frontend tooling.
TypeScript, Node.js, React, Next.js, Tailwind, Fastify, PostgreSQL, Docker, CI/CD, JWT, OAuth, Kysely, Drizzle, Redis, Nginx, Turborepo, Nx, OpenAI
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1mo
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Full Stack Product Engineer, AI Enabled Products
San Francisco or New York City or Colorado or United States
$130k-$175k/yr RemoteFull Time
Solv Health
Solv Health: Connects patients with same-day doctor appointments and urgent care.
2+ YOE2+ years building and maintaining production web applications; comfortable across frontend and backend; experience with React, Python, and SQL/Postgres; experience using AI-assisted development tools; strong testing, debugging, and collaboration skills.
React, Remix, Python, FastAPI, Postgres, SQL
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3mo
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Full Stack Engineer, AI Accelerator Open Source Ecosystem
San Francisco or New York City or Mexico or Canada or United States or Singapore or Asia
HybridFull Time
SemiAnalysis
SemiAnalysis: Independent research and analysis firm specializing in semiconductor and AI industries.
Proficient in React, Next.js, TypeScript, SQL; strong CI/CD, GitHub API; able to analyze data and communicate findings.
React, Next.js, TypeScript, SQL, PostgreSQL, GitHub API, CI/CD, Chart.js, D3.js, Recharts, Vercel, GitHub Actions
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2mo
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Full Stack Software Engineer Intern - Winter 2027
San Francisco or New York City or Seattle
OnsiteMultiple Commitments Available
Rippling
Rippling: Unified platform managing workforce HR, IT, and finance operations
Currently enrolled in a Bachelor's or Master's in CS or related; previous internship/co-op experience; backend experience with Python and frontend experience with JavaScript and HTML/CSS; strong communication skills.
Python, JavaScript, HTML/CSS, Slack, Microsoft 365
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2w
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Software Engineer, Full Stack, Level 4
Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto or Santa Monica
$133k-$235k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Develops social media applications and augmented reality technology.
2+ YOEBachelor's in CS or equivalent experience; 2+ years post-bachelor software development; full stack web development experience; proficient in JavaScript/TypeScript, front-end frameworks, backend languages, unit testing, and AI tooling.
JavaScript, TypeScript, HTML, CSS, Java, Golang, NodeJs, Python, React, Angular, Vue, WebGL, Canvas, WebAssembly, Service workers, GraphQL, Memcache, Redis, Kubernetes, Google, AWS
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2w
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Software Engineer, Full Stack, Level 4
Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto or Santa Monica
$157k-$235k/yr OnsiteFull Time
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
2+ YOEBachelor's degree or equivalent, 2+ years post-degree software development, proficiency in JavaScript/TypeScript, HTML, CSS and one or more backend languages (Java, Golang, NodeJs, Python), front-end frameworks, unit testing, and full-stack web development.
JavaScript, TypeScript, HTML, CSS, Java, Golang, NodeJs, Python, React, Angular, Vue, WebGL, Canvas, WebAssembly, Service workers, GraphQL, NoSQL, Memcache, Redis, Kubernetes, Google, AWS
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3mo
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Software Engineer I (Full Stack) – Immediate Joiners
Daly City, California, United States
OnsiteFull Time
Interscripts
Interscripts: Provider of healthcare IT consulting and data management solutions.
0+ YOEBachelor's degree in CS/IT or related STEM; 0–2 years software development experience; strong OO and web development basics; TS/React knowledge; REST APIs; Git; good communication and debugging skills.
TypeScript, React, Next.js, REST, PostgreSQL, SQL Server, Git, Docker
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1w
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Engineer -Computer Systems Support
San Ramon, California, United States
$80k-$92k/yr OnsiteFull Time
Tata Consultancy Services
Tata Consultancy ServicesNational Stock Exchange of India: TCS: Global provider of IT services, consulting, and business solutions.
2+ YOE3–5 years full stack development experience with Python, Node.js, Angular, REST APIs, microservices, and AWS; Bachelor\u0002s degree required.
Python, Node.js, Angular, REST APIs, microservices architecture, AWS, EC2, S3, Lambda, API Gateway, Django, Flask, FastAPI
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2w
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Software Engineer
Oakland or United States
$149k-$155k/yr RemoteFull Time
Dutch
Dutch: Providing virtual veterinary consultations and prescription services for pets.
2+ YOEBachelor's in STEM, 2 years full-stack software development experience with JavaScript/TypeScript, React, React Native, GraphQL, Git/GitHub, HTML/CSS/Sass, and API integration.
GitHub, Git, JavaScript, TypeScript, HTML, CSS, Sass, React, React Native, GraphQL, APIs
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3w
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Product Engineer
San Francisco, California, United States
$115k-$150k/yr OnsiteFull Time
Workhelix
Workhelix: Provides software to measure and optimize enterprise AI ROI.
2+ YOE2+ years full-stack engineering experience; strong Python and React preference; SQL fluency; experience with FastAPI/Postgres/React stack; strong communication, systems mindset, and customer-focused problem solving.
FastAPI, Python, Postgres, PostgreSQL, React, SQL, Slack
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4w
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Software Engineer, Product Experiences
San Francisco or Washington
$160k-$220k/yr OnsiteFull Time
Peregrine
Peregrine: Data integration and analytics platform for public safety agencies.
2+ YOE2+ years building production user-facing software; strong React/TypeScript frontend skills; full-stack experience; degree in CS or equivalent; experience with distributed systems and product-focused development.
React, Redux, TypeScript, Mapbox, Python, Django, Celery, Airflow, Kafka, PostgreSQL, Elasticsearch, Bedrock, Sagemaker, AWS, Pulumi, Terraform, Kubernetes
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1w
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Software Engineer II, Power Plant Software
Berkeley, California, United States
$112k-$147k/yr HybridFull Time
Form Energy
Form Energy: Developing multi-day batteries for grid-scale energy storage.
2+ YOEBachelor's degree plus 2+ years software engineering experience; full‑stack UI and backend development; experience with React; familiarity or willingness to learn Python, Go, gRPC, Protobuf, and industrial protocols; strong collaboration and ownership.
React, Python, Go, gRPC, Protobuf, Modbus, DNP3, CAN
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3mo
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Java Developer
Foster City, California, United States
$140k-$160k/yr RemoteFull Time
QuinStreet
QuinStreetNasdaq: QNST: Operates online marketplaces connecting consumers with service providers.
1+ YOEBachelor's in CS or related field +1 year of experience; Java/J2EE tech stack; PHP/HTML/JS web development; MVC front-end concepts; JBoss/Tomcat servers; SQL with Oracle or similar; UNIX/Linux environment; HTTP, sessions.
Java, J2EE, JSP, XML, EJB, JDBC, PHP, HTML, JavaScript, MVC, JBoss, Tomcat, SQL, Oracle, UNIX, Linux, HTTP
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