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58 web application engineer jobs at 44 companies in Napa, CA

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Principal Engineer - Web Application Development
San Francisco, California, United States
$139k-$249k/yr OnsiteFull Time
Autodesk
AutodeskNASDAQ: ADSK: Developing software for architecture, engineering, and entertainment industries.
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
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Application Security Engineer
San Francisco or New York City or Seattle
OnsiteFull Time
Braintrust
Braintrust: Platform for evaluating and monitoring AI model performance.
5+ YOE5+ years in application security or backend engineering; strong skills in TypeScript/Node.js, Python, Go, or Rust; deep web/API vulnerability knowledge; experience building secure-by-default libraries; authn/authz design; multi-tenant data isolation; secrets management; VS real-time data platform familiarity.
TypeScript, Node.js, Python, Go, Rust, PostgreSQL, Redis, AWS
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2mo
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Lead Application Security Engineer
San Francisco, California, United States
$225k-$400k/yr OnsiteFull Time
Ivo
Ivo: AI-powered contract review and intelligence platform for legal teams.
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
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Software Engineer, Web Infrastructure
San Francisco or New York
$260k-$330k/yr HybridFull Time
Notion
Notion: Provides a unified workspace for notes, documents, and project management.
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
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3mo
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Security Engineer, Application Security
San Francisco or New York City or London
$130k-$500k/yr OnsiteFull Time
Mercor
Mercor: Connecting expert human intelligence with frontier AI model development.
5+ YOEFive+ years of professional experience in application security or security engineering; strong web security knowledge; proficient in at least one of Python, TypeScript, or Go; experience with SAST/DAST tooling and vulnerability management.
Python, TypeScript, Go, Semgrep, CodeQL, Snyk, Burp
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1mo
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Software Engineer, Web Layer
San Francisco, California, United States
$255k-$405k/yr HybridFull Time
OpenAI
OpenAI: Develops artificial intelligence models and generative AI software services.
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
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1w
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Software Development Engineer, AI Features – Photoshop Web
San Jose or San Francisco or Seattle or New York City
$139k-$258k/yr OnsiteFull Time
Adobe
AdobeNASDAQ: ADBE: Provides software for digital media creation and marketing analytics
5+ YOEBachelor's in CS (or equivalent),5+ years building modern web applications,TypeScript experience,Generative AI/LLM and AI coding tool experience,strong communication and problem-solving skills.
TypeScript, Web Components, Generative AI, LLMs, AI Coding Tools
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3w
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Senior Product Security Engineer
San Francisco or New York City or Seattle or Austin
$151k-$280k/yr OnsiteFull Time
Rippling
Rippling: Unified platform managing workforce HR, IT, and finance operations
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
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3d
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Staff Software Engineer
United States or New York City or San Francisco
$200k-$240k/yr RemoteFull Time
Euclid Power
Euclid Power: Operating system for renewable energy project development and operations.
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
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3w
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Senior Software Engineer - Python/Agentic AI
Pleasanton, California, United States
$156k-$196k/yr HybridFull Time
BlackLine
BlackLineNASDAQ: BL: Provides cloud software to automate financial close and accounting.
3+ YOEBS CS +5 yrs or MS CS +3 yrs experience with software development; 3+ years building web applications, SaaS, and RESTful APIs; AI-first development experience; strong SQL and distributed systems knowledge; production deployments and on-call experience.
C#, Java, Python, .NET, .NET Core, HTML, JavaScript, CSS, SQL, PostgreSQL, NoSQL, Docker, Kubernetes, API gateway, Kafka, SQS, RabbitMQ, Azure, ASW, GCP
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1mo
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Senior Software Engineer, WebOTT
San Francisco or Los Angeles or New York City
$186k-$266k/yr HybridFull Time
Tubi
TubiNASDAQ: FOXA: Free ad-supported streaming service for movies and television.
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
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Software Engineer, Applications
San Francisco, California, United States
$130k-$180k/yr HybridFull Time
Voxel
Voxel: AI platform for real-time industrial workplace safety monitoring.
0+ YOEBachelor's in CS or equivalent, 0-4 years software engineering experience, strong in Go, TypeScript, or Python, experience with web applications (APIs, auth), familiarity with Git, CI/CD, and unit testing, strong communication skills.
Go, TypeScript, Python, React, React Native, Git, CI/CD, Unit testing
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3w
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Technology Engineer – Senior (1043) - Applications Specialty - Citywide (C00094)
San Francisco, California, United States
$159k-$200k/yr OnsiteFull Time
City and County of San Francisco
City and County of San Francisco: Provides public services and governance for the San Francis area.
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
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2mo
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Senior Software Engineer
San Francisco, California, United States
$180k-$215k/yr OnsiteFull Time
HeartFlow
HeartFlowNASDAQ: HTFL: Provides AI-driven non-invasive cardiac diagnostic software and analysis.
3+ YOESenior Software Engineer with strong Python, AWS, Django/JS, TypeScript, CI/CD, and experience building cloud-native APIs and web applications in regulated environments.
Python, AWS, Django, JavaScript, TypeScript, Nginx, Pytest, GitHub, GitHub Actions, Kubernetes, CDK, Step Functions, Lambdas, API Gateway, Fargate, ECS, Aurora
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3w
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Lead GenAI Forward Deployed Engineer, YouTube
San Bruno or Mountain View or New York
$186k-$270k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
9+ YOE4+ MgmtBachelor's in CS/EE/Math or equivalent, 9+ years building APIs/web apps and scalable systems, 8+ years full‑stack development (Python, Go, Java, C++, TypeScript), 4+ years product roadmap collaboration, 4+ years as Tech Lead or EM; BLS/CPR not applicable.
Python, Go, Java, C++, TypeScript, LLMs, RAG, evals, MCP, CRMs
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2w
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Senior Software Engineer, Product
San Francisco or New York City
$196k-$265k/yr HybridFull Time
Pave
Pave: Cloud-based software for managing and benchmarking employee compensation.
5+ YOE5+ years engineering experience; proficiency with TypeScript and Node.js; experience building data-intensive web applications; strong product intuition, technical leadership, and ability to drive ambiguous problems to completion.
TypeScript, Node.js
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5d
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Frontend Engineer - BizBuySell - San Francisco
San Francisco, California, United States
$125k-$172k/yr OnsiteFull Time
CoStar Group
CoStar GroupNASDAQ: CSGP: Global provider of commercial and residential real estate data.
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
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6d
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Software Engineer, Full Stack
San Mateo or San Francisco
OnsiteFull Time
XDOF
XDOF: Data infrastructure and collection systems for general-purpose robot training.
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
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2w
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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
Snap
SnapNYSE: SNAP: Provides visual messaging software and augmented reality wearable devices.
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
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1mo
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Software Engineer (Applications Engineering)
San Francisco, California, United States
OnsiteFull Time
Knowtex
Knowtex: AI-powered voice platform automating clinical documentation for healthcare providers.
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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