62 web application engineer jobs at 45 companies in Cotati, CA
4d
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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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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
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
1w
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Staff Application Database Architect
San Francisco, California, United States
$190k-$250k/yr HybridFull Time
10+ YOE10+ years building OLTP databases for web applications; expert relational modeling, query optimization, Python/Django data access, AWS experience, and healthcare compliance knowledge (FDA/HIPAA/GDPR).
PostgreSQL, MySQL, Aurora, Python, Django, Django ORM, SQLAlchemy, Redis, Memcached, AWS, RDS, ElastiCache, S3, Glue, Spark, Airflow, FHIR, HL7, DICOM
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
1mo
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Senior Product Security Engineer
San Francisco or New York City or Seattle or Austin
$151k-$280k/yr OnsiteFull Time
5+ YOE5+ years product security experience, deep web application security, fluency in Python, React, Django Rest Framework, experience with code review, CI/CD application security, and mentoring engineering teams.
Python, React, Django Rest Framework, CI/CD, SSO, OAUTH, SAML, AWS
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
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
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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Technology Engineer – Senior (1043) - Applications Specialty - Citywide (C00094)
San Francisco, California, United States
$159k-$200k/yr OnsiteFull Time
3+ YOEAssociate degree in CS or related (or equivalent experience), 3+ years engineering experience building/maintaining platforms, APIs, web apps (e.g., Drupal), and databases (SQL). Must pass online exam; some assignments require security/TWIC/customs clearances.
Drupal, SQL, API
2w
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Staff Software Engineer, Stripe Dashboard
Toronto or United States or South San Francisco
$271k-$407k/yr HybridFull Time
10+ YOE10+ years building large-scale user-facing web applications, leading cross-functional engineering projects, deep frontend/full-stack expertise, performance engineering, and strong communication.
React
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
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
3d
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Senior Mobile Engineer
California or San Francisco or New York City or Pittsburgh
$218k-$250k/yr HybridFull Time
7+ YOERequires 7+ years building web applications, including 5+ years with React, independent feature delivery, React and TypeScript expertise, autonomy, cross-domain curiosity, and deep experience using AI tools in engineering workflows.
React, TypeScript, Electron, AI
4d
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Senior Customer Solutions Engineer
Sunnyvale or Boulder or San Francisco
$152k-$221k/yr OnsiteFull Time
6+ YOEBachelor's in engineering/CS or equivalent,6+ years with client-side web tech and programming,experience troubleshooting partners,EMR not applicable; SQL/NoSQL and systems experience preferred.
HTML, CSS, JavaScript, HTTP, Java, C, C++, Python, SQL, NoSQL, Linux, Unix
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
1mo
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Manager, Machine Learning Engineering, Web Ads Ranking
Palo Alto or San Francisco or Los Angeles or New York or Bellevue
$195k-$343k/yr OnsiteFull Time
8+ YOE1+ MgmtManage ML engineering team focused on ranking and recommendations. Requires 8+ years post-Bachelor ML experience (or equivalent), 1+ year leading ML teams, Bachelor’s in a technical field or equivalent, experience with ranking/LLM applications, distributed systems, and ML frameworks.
TensorFlow, Caffe2, PyTorch, Spark ML, scikit-learn
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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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
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