150 ui developer jobs at 90 companies in Mill Valley, CA
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UI Developer
Mountain View or Walnut Creek
$49-$59/hr OnsiteFull Time
3+ YOE3+ years frontend experience with HTML5/CSS3/JavaScript and React; experience building responsive UIs, integrating REST/GraphQL APIs, using build/test tooling, and translating Figma designs to accessible components; TypeScript preferred.
HTML5, CSS3, JavaScript (ES6+), React.js, TypeScript, Flexbox, CSS Grid, Material UI, Tailwind CSS, RESTful, GraphQL, OAuth 2.0, JWT, Webpack, Vite, Jest, React Testing Library, Cypress, Git, Figma, WCAG 2.1, Core Web Vitals, Next.js, Redux
2mo
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Software Engineer, UI
San Francisco, California, United States
$135k-$240k/yr OnsiteFull Time
Experience building polished UI with TypeScript, React, and CSS; portfolio demonstrating visual craft; experience with animation systems (Framer Motion, CSS transitions); startup/founding experience preferred.
TypeScript, React, CSS, Framer Motion, CSS transitions
2d
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UI Engineer
Cupertino, California, United States
$100k-$115k/yr OnsiteFull Time
8+ YOEExperience with frontend web development using React, JavaScript/TypeScript, HTML/CSS, REST APIs, Node.js, SQL, Git, Docker, Kubernetes, AWS, and software engineering best practices.
React, JavaScript, TypeScript, HTML, CSS, REST APIs, Node.js, SQL, Git, Docker, Kubernetes, AWS, CI/CD
3w
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UI Frameworks Engineer, macOS
Cupertino, California, United States
OnsiteFull Time
Design and build macOS UI components and APIs across SwiftUI, AppKit, and UIKit to improve developer and user experience.
SwiftUI, AppKit, UIKit
2mo
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UI Engineer
San Francisco, California, United States
$180k-$310k/yr HybridFull Time
3+ YOE3–5+ years frontend engineering with React, CSS mastery, design systems, accessibility, and performance focus.
React, CSS, Design Systems, Browser Debugging, Accessibility
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UI Engineer
Salt Lake City or Seattle or San Francisco or New York City or London or Madrid or Singapore
$110k-$170k/yr HybridFull Time
3+ YOE3+ years building cloud applications; strong front-end experience with React, TypeScript, HTML/CSS/JavaScript; experience with design systems, component libraries, cloud storage and AWS; BS in CS or equivalent preferred; AI experience a plus.
HTML, CSS, JavaScript, TypeScript, React, NodeJS, Python, SQL, Blob, Document, Search, AWS, DataDog, GitHub CI/CD
2mo
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Embedded UI Engineer - Alarms
San Mateo, California, United States
$130k-$280k/yr OnsiteFull Time
6+ YOE6+ years software engineering; strong Android embedded experience; shipped embedded UI products; optimize performance on constrained hardware.
Android, LVGL, Qt, Linux
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Staff Software Engineer Embedded UI
Sunnyvale, California, United States
$224k-$322k/yr OnsiteFull Time
8+ YOEBachelor's degree in CS/EE/Biomedical Eng; 8+ years industry experience (or equivalent with advanced degree); strong C++ (11/14/17+); experience shipping production UI; Qt/QML, 3D graphics, Linux, regulated software lifecycle experience preferred.
Qt, QML, C++, Qt3D, OpenGL, Vulkan, Linux, Agile, IEC 62304
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UI Engineer - Full-Stack (React/TypeScript, Python)
San Francisco, California, United States
$140k-$320k/yr OnsiteFull Time
Strong production experience with React and TypeScript, comfortable working with Python backends, API design, frontend architecture, performance, testing, and collaborating with designers.
React, TypeScript, Python, Kubernetes, LLM, CLI
3w
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UI Path Automation Engineer
Santa Clara or United States
$114k-$120k/yr RemoteFull Time
4+ YOE4+ years UiPath development experience; strong UiPath Studio, Orchestrator, REFramework knowledge; experience with APIs, Microsoft Excel, PDF and email automation, web apps, SQL; Agile/SALC familiarity.
UiPath Studio, Orchestrator, REFramework, APIs, Microsoft Excel, SQL
2mo
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Quality Assurance Engineer - Cloud, UI & API
Cupertino, California, United States
$106k-$214k/yr HybridFull Time
5+ YOE5+ years in QA/software testing or related roles; strong Python, UI/API testing; test automation; customer-facing support experience.
Python, Selenium, pytest, Django REST framework
2mo
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Quality Assurance Engineer - Cloud, UI & API
Cupertino, California, United States
$106k-$214k/yr OnsiteFull Time
5+ YOE5+ years QA experience; Python; UI/API testing; test automation; customer interaction; US citizenship; degree in CS or related field.
Python, Selenium, pytest, Django RESTful API
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Member of Technical Staff - UX/UI
Palo Alto, California, United States
OnsiteFull Time
Expert React and TypeScript frontend skills with full-stack foundation (Node.js or Python), experience shipping scalable product UIs, AI fluency, product partnership, and mentoring ability.
React, TypeScript, Node.js, Python, D3
2mo
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Product Engineer (UI-Focused) — Horizon
San Francisco or New York City or Washington or Boston or Los Angeles or Seattle or Denver or Chicago or Atlanta or United States
$172k-$242k/yr RemoteFull Time
5+ YOE5+ years full-stack engineering with front-end focus; strong proficiency in TypeScript and React; experience shipping user-facing products; familiarity with Model Context Protocol and AI/LLM tooling; on-call/incident participation.
Python, TypeScript, React, TanStack, Model Context Protocol (MCP), Claude Code, Codex
2mo
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Quality Assurance Engineer - Cloud, UI & API
Cupertino, California, United States
$106k-$214k/yr HybridFull Time
5+ YOE5+ years QA/software testing, customer support, or related engineering; Python proficiency; UI/API troubleshooting; Selenium/pytest experience.
Python, Selenium, pytest, Django RESTful API
3mo
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Design Engineer
San Francisco, California, United States
OnsiteFull Time
Design Engineer with frontend UI/UX ownership, shipping 0-to-1 products, and familiarity with AI tools.
UI/UX, Design Systems, AI tools
1mo
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Product Engineer
Sunnyvale, California, United States
$150k-$240k/yr OnsiteFull Time
Experience with full-stack web development, interest in 2D/3D spatial UIs, strong UI/UX sensibility, U.S. citizenship and eligibility for security clearance; familiarity with React/TypeScript/Angular is a plus.
React, TypeScript, Angular
2w
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Design Engineer
San Francisco, California, United States
OnsiteFull Time
Experienced front-end/design engineer with TypeScript, React, CSS and UI/component expertise; strong product taste, prototyping speed, systems thinking, and experience building complex visualizations or developer UIs.
TypeScript, React, CSS
3mo
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Senior Software Engineer
Mountain View or Austin or Warren
$138k-$175k/yr HybridFull Time
5+ YOE5+ years embedded or system-level C++ software; ECU/CAN/LIN/Ethernet experience; strong UI/UX and performance emphasis; Bachelor’s in CS/EE or related field.
C++, RTOS, Android, Unreal Engine, CANoe, VehicleSpy, CAN, Ethernet, UI frameworks, 3D display rendering
1mo
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Senior Software Engineer, Operator Tools
Byron, California, United States
$180k-$275k/yr RemoteFull Time
5+ YOE5+ years software development with strong C++ and/or Python, desktop (Qt/Electron) and web UI experience, telemetry/embedded integration, protocol parsing, and building UIs for operational use.
C++, Python, Qt, Electron, React, Git, GitHub, MAVLink, UDP, serial
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