58 web application developer jobs at 42 companies in Cotati, CA
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Web Application Developer
Lafayette, California, United States
HybridPart Time
Experience designing, coding, and maintaining web applications using PHP, JavaScript, MySQL, Linux/Ubuntu, HTML/CSS, Git; portfolio and ability to work independently and in teams.
PHP, JavaScript, MySQL, Linux, Windows, Python, Typescript, HTML, CSS, MariaSQL, PostgreSQL, GIT, Ubuntu, React, Angular, Vue.js, Docker, ChatGPT
2mo
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Principal Engineer - Web Application Development
San Francisco, California, United States
$139k-$249k/yr OnsiteFull Time
10+ YOE10+ years of software engineering, web tech expertise, and experience scaling large-scale web platforms; strong JS/TS, frontend frameworks, and tooling.
React, Angular, TypeScript, JavaScript, Webpack, Vite, Turborepo, CI/CD, GraphQL, REST, AWS
2mo
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Software Engineer, Web Infrastructure
San Francisco or New York
$260k-$330k/yr HybridFull Time
8+ YOE8-10+ years of experience building and optimizing large web applications in React or similar frameworks; proven performance improvements; strong tooling and collaboration skills.
React, Webpack, Performance profiling
2mo
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Lead Application Security Engineer
San Francisco, California, United States
$225k-$400k/yr OnsiteFull Time
4+ YOE5+ years in application security; hands-on web pen testing; TypeScript/Node and Python; cloud security in GCP/Azure; manage pen tests; secure coding; strong communication.
SAST, DAST, SCA, IaC scanning, secrets detection, OWASP, Firebase Auth, WorkOS, SAML, OAuth, SSO, RBAC, Kubernetes security, cloud security
1mo
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Software Engineer, Web Layer
San Francisco, California, United States
$255k-$405k/yr HybridFull Time
Strong C++ experience (browser/Chromium), end-to-end feature development, familiarity with TypeScript and Python, and ability to design OS integrations and build secure, high-performance desktop application platforms.
C++, Chromium, TypeScript, Python, Electron, macOS, Windows
1d
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iOS Engineer II - Earner Trip Experience
San Francisco or Sunnyvale
$171k-$190k/yr HybridFull Time
2+ YOERequires 2+ years developing iOS applications with Swift or Objective-C, iOS fundamentals, Git, and team code reviews. Web development, backend APIs, reliability, and analytics experience preferred.
Swift, Objective-C, iOS, UIView, UIViewController, Auto Layout, Git, Web, Backend APIs
3d
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AI Platform Engineer
San Francisco, California, United States
$190k-$310k/yr OnsiteFull Time
Strong full-stack engineering skills, production web application experience, real-time and asynchronous systems experience, rapid application development ability, and familiarity with LLM-powered applications and agent architectures.
SDK, LLM
1d
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Staff Software Engineer, Front End
San Francisco or United States
$180k-$200k/yr HybridFull Time
5+ YOEAt least 5 years of hands-on front-end experience building commercial applications; strong front-end web development skills and experience with TypeScript, React, and related web technologies.
TypeScript, React, Next.js, Node.js, Vite, TanStack Router, Tailwind CSS, Material UI, TanStack Query, React Hook Form, Vitest, Playwright, Stripe, Firebase, Sentry, Python, CI/CD
3w
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Frontend Engineer - BizBuySell - San Francisco
San Francisco, California, United States
$125k-$172k/yr OnsiteFull Time
Experience building high-performance web applications with modern web technologies, SPA frameworks, TypeScript, and strong communication; bachelor's degree required.
ASP.NET Core MVC, Angular, Vue, TypeScript, HTML5, CSS, JavaScript, AWS, Microsoft Azure, Microsoft SQL Server, MySQL, Jest, Mocha, Claude Code, Copilot
3w
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Staff Software Engineer
United States or New York City or San Francisco
$200k-$240k/yr RemoteFull Time
8+ YOE8+ years building web applications, leading engineers, architecting scalable web services, mentoring, and broad full‑stack experience; familiarity with React, TypeScript, Kotlin, and Rails; US-based remote.
React, TypeScript, Kotlin, Rails
3w
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Software Engineer, Full Stack
San Mateo or San Francisco
OnsiteFull Time
Proficiency in Python and a modern frontend framework, experience building full-stack web applications, API design, and working with data-intensive applications for technical users.
Python, React, Vue
4d
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Software Engineer, Frontend
San Francisco, California, United States
$160k-$200k/yr HybridFull Time
3+ YOE3+ years building web applications; strong React, NextJS, TypeScript skills; experience with web performance, Tailwind, Radix UI; familiarity with visualization tools and time-series data preferred.
React, NextJS, TypeScript, Tailwind, Radix UI, WebGL, D3.js, Apache ECharts, WebAssembly, Parquet, Flink, Kafka, Redpanda, Beam, DuckDB, Timescale, QuestDB, InfluxDB, Druid, GitHub Actions, AWS, Azure, GCP, Docker, Kubernetes, Terraform, Go, Redux
1mo
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Senior Software Engineer, WebOTT
San Francisco or Los Angeles or New York City
$186k-$266k/yr HybridFull Time
5+ YOE5+ years building high-performance web applications with React, Redux, JavaScript/TypeScript, HTML5/CSS and Web APIs; experience leading initiatives and mentoring engineers; CI/CD and infrastructure familiarity.
React, Redux, Node.js, GitHub Actions, Terraform, CDN, JavaScript, Web APIs, HTML5, CSS, TypeScript
1mo
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Software Engineer (Applications Engineering)
San Francisco, California, United States
OnsiteFull Time
3+ YOE3+ years building production web applications; strong TypeScript proficiency; experience with React, Node.js, REST APIs, relational/NoSQL databases, distributed systems, and strong debugging and communication skills.
TypeScript, React, Node.js, Python, AWS, Lambda, ECS, S3, RDS, DynamoDB, GovCloud, CI/CD, Amplitude, Sentry
3w
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Senior Full Stack Engineer
New York City or San Francisco
$161k-$210k/yr OnsiteFull Time
4+ YOE4+ years building front-end and back-end web applications, BS in CS or 8+ years experience, experience with AI-assisted development tools, strong CS fundamentals and code-review skills.
Claude Code, Cursor, Ruby, Flask, Node, React, Angular, Vue
2w
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Principal Software Development Engineer, Graph
San Francisco or San Jose
$190k-$361k/yr OnsiteFull Time
10+ YOE10+ years building complex frontend web applications; BS/MS in Computer Science or related; deep web components experience (Shadow DOM,LIT); strong frontend architecture, mentoring, and system design skills.
Shadow DOM, LIT, Web Components
2mo
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Senior Backend Engineer
United States or San Francisco
$170k-$195k/yr RemoteFull Time
5+ YOE5+ years production web application experience, CS degree or equivalent, strong algorithms/data-structures, relational DB expertise, mentoring and architecture leadership.
Ruby on Rails, Docker, AWS
1mo
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Senior Full Stack Engineer - Seattle
Seattle or San Francisco or New York City
$200k-$220k/yr HybridFull Time
Haus: Provides an incrementality platform for marketing measurement and optimization.
5+ YOE5+ years building production web applications and APIs; strong Python and React skills; experience with Flask, SQLAlchemy, relational databases, cloud-native (GCP preferred), and AI development tools; on-call participation.
Python, Flask, React, SQLAlchemy, GCP, MySQL, PostgreSQL, Claude Code, Cursor, Copilot, Meta, Google, TikTok, Meta Marketing API, Google Ads API
2mo
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Full Stack Engineer (Contractor) - Palo Alto
Palo Alto or San Francisco or Singapore or Tokyo or Shenzhen or Seattle or Beijing
$85/hr OnsiteFull Time, Contract
3+ YOE3+ years full‑stack experience with modern frontend frameworks (React) and backend development (Go, Java or similar); RESTful API integration; building scalable, reliable web applications; strong communication and ownership.
React, Go, Java, RESTful API
1mo
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Senior Software Engineer - Fullstack
San Francisco, California, United States
$150k-$240k/yr OnsiteFull Time
5+ YOE5+ years building high-quality software; experience deploying robust, secure web applications in continuous deployment environments; strong CS fundamentals and collaborative mindset.
Rust, Go, GraphQL, TypeScript, SQL, Python
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