Mountlake Terrace • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Mountlake Terrace • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Mountlake Terrace • 50 milesRemote · Hybrid · Onsite · Field · All Environments
Mountlake Terrace • 50 milesRemote · Hybrid · Onsite · Field · All Environments
56 ui developer jobs at 32 companies in Mountlake Terrace, WA
1mo
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UI Engineer
Seattle or United States
$110k-$125k/yr RemoteFull Time
3+ YOEBachelor's degree or equivalent experience, 3+ years software development, strong frontend skills (Angular/TypeScript/HTML/CSS), experience with backend (.NET/C# or Node.js), CI/CD and observability tool experience, cloud familiarity (Azure preferred).
Angular, TypeScript, HTML, CSS, RxJS, Redux, C#, .NET, .NET 8, Node.js, Scala, SQL, NoSQL, Azure, GitHub Actions, Bicep, New Relic, Application Insights, Jasmine, Cypress, Playwright, Cursor, Claude Code, Codex, GitHub Copilot, Kafka
4w
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UI Software Engineer
Seattle, Washington, United States
$110k-$135k/yr OnsiteFull Time
4+ YOE4+ years building web UIs, TypeScript/JavaScript experience, Git and CI/CD knowledge, strong communication and collaboration, bachelor's or equivalent experience.
TypeScript, JavaScript, Angular, Git, Continuous Integration and Delivery, AI tools
1mo
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UI Engineer
Seattle, Washington, United States
$110k-$170k/yr HybridFull Time
3+ YOE3+ years building cloud applications; strong front-end experience with TypeScript, React, HTML/CSS/JavaScript; experience with design systems, component libraries, and cloud infrastructure; Bachelor's in CS or equivalent experience.
HTML, CSS, JavaScript, TypeScript, React, NodeJS, Python, SQL, Blob, Document, Search, AWS, DataDog, GitHub CI/CD
3w
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UX and UI Software Engineer — Observability
Seattle, Washington, United States
OnsiteFull Time
Software engineering role focused on designing and building user interfaces and observability experiences that transform large-scale telemetry data into actionable insights.
1mo
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Product Engineer (UX/UI)
Seattle, Washington, United States
$120k-$170k/yr OnsiteFull Time
3+ years front-end/product engineering experience; proficiency with TypeScript, React, Next.js, HTML, CSS, JavaScript; experience with design systems, accessibility, performance, and prototyping.
TypeScript, React, Next.js, HTML, CSS, JavaScript
2mo
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Senior Software Engineer - UI
Seattle, Washington, United States
OnsiteFull Time
5+ YOE5+ years frontend software engineering; expert in TypeScript/React; 3D web graphics; real-time data protocols; modern tooling; strong debugging; independent, cross-functional collaboration.
TypeScript, React, Three.js, React Three Fiber, Drei, WebGL, Protocol Buffers, gRPC-web, WebSockets, Vite, npm workspaces, Storybook, Vitest, Cypress, Testing Library
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
3mo
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Sr UI Motion Designer
Frisco or Overland Park or Bellevue
$97k-$176k/yr HybridFull Time
5+ YOEDesign user experiences, wireframes, and prototypes; collaborate with product and development; 5+ years exp; BS +5 yrs or advanced degree +3 yrs; strong UX, communication, analytics, and PM skills.
1w
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Software Engineer - Digital Site Development
Issaquah or Seattle
$85k-$225k/yr OnsiteFull Time
7+ YOERequires 7+ years of React.js development, advanced JavaScript, HTML, CSS3, responsive UI, REST/GraphQL, Redux, testing, debugging, CI/CD, and cross-functional coaching experience.
React.js, Redux, Server-Side Rendering, Styled Components, Storybook, HTML, CSS3, JavaScript, REST, GraphQL, Redux Sagas, JavaScript ES6+, Jest, React Testing Library, Azure, Google Cloud Platform (GCP), Redis, MongoDB, MUI v5, Storybook.js, Chromatic, Gatsby.js, Google Workspace, Google Sheets, Google Docs, Google Slides, Gmail, Figma, Dynatrace, Splunk, CI/CD, DevSecOps, WCAG 2.1 AA
1mo
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Staff Design Engineer
Bellevue or Menlo Park
$173k-$248k/yr HybridFull Time
10+ YOE10+ years building high-quality UIs; strong web development with React JS, CSS3, JS/Typescript, NodeJS; experience with design systems, accessibility, portfolio, and collaboration skills.
React JS, CSS3, JS, Typescript, NodeJS
3mo
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Mobile Engineer 5 - Commerce Design System
Los Gatos or Los Angeles or Seattle
$388k-$558k/yr OnsiteFull Time
Mobile UI engineer with Kotlin/Jetpack Compose focus; Android and iOS experience; design system development; cross‑platform familiarity; AI tooling.
Kotlin, Jetpack Compose, Dagger/Hilt, Circuit, Swift, SwiftUI, UIKit, GraphQL
4w
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Sr Design Engineer, Spectrum Desktop
San Francisco or Seattle or San Jose
$139k-$258k/yr OnsiteFull Time
5+ YOE5+ years software engineering with strong C++ and systems-design experience; experience with UI frameworks, cross-platform Windows/macOS development, and strong communication and design sensibility.
C++, Objective-C, JavaScript/TypeScript, Python
4w
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Senior Product Software Engineer (Swift)
Glendale or Seattle or New York City
$142k-$190k/yr OnsiteFull Time
5+ YOE5+ years iOS development experience (3+ with Swift), strong UI framework experience, agile experience, full software lifecycle, strong communication and testing/CI familiarity.
Swift, Objective-C, UIKit, SwiftUI, AVKit, StoreKit, AVFoundation, HLS, MPEG-DASH, CMAF, iOS, tvOS
1mo
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UX Engineer
Bellevue, Washington, United States
$150k-$225k/yr OnsiteFull Time
4+ YOE4+ years building production UIs at the design-engineering intersection. Bachelor\u0002s in CS/HCI/Design, proficiency with React/JavaScript/TypeScript/CSS, Azure experience, accessibility expertise, strong communication and prototyping judgment.
React, JavaScript, TypeScript, CSS, Azure
2w
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Senior Full Stack Software Engineer - Application Engineering
Bothell or Boulder or College Park or Toronto
$146k-$209k/yr HybridFull Time
5+ YOEBachelor's degree or equivalent experience; 5+ years full-stack development and API framework experience; JavaScript, Python, or Golang; UI visualization; scientific or quantum computing experience.
JavaScript, Python, Golang, REST, GraphQL, gRPC, three.js, D3, WebGL, Agentic AI, numpy, pandas, C, C++, AWS, GCP
3d
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Ground System Software Engineer (R4787)
Seattle, Washington, United States
OnsiteFull Time
5+ YOEBachelor's degree plus 5+ years, master's plus 4+ years, or PhD plus 2+ years; strongly typed language, React, TypeScript, Node.js, distributed systems, UI development, security clearance eligibility.
C#, TypeScript, Java, C++, React, JavaScript, Node.js, Vue, QT, REST, gRPC, WebSocket, STANAG 4586, Cursor on Target (CoT), MAVLink, Docker, Kubernetes, CI/CD
3w
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Scientific Applications Engineer/DataOps Manager (Seattle or Redmond, WA)
Seattle or Redmond
$102k-$120k/yr HybridFull Time
Experience in scientific software development, strong Java skills, familiarity with Python or R, relational databases, web UI frameworks, EMR of data pipelines, AWS and LabKey preferred; strong communication and collaboration.
Java, Python, R, PrimeFaces, ExtJs, AngularJS, AWS, LabKey, NGS
3w
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Scientific Applications Engineer/DataOps Manager (Seattle or Redmond, WA)
Seattle or Redmond
$102k-$120k/yr HybridFull Time
B.S./M.S. or equivalent experience in scientific software development; strong Java experience; familiarity with Python or R, relational databases, web UI frameworks, and cloud solutions; excellent communication and analytical skills.
Java, Python, R, PrimeFaces, ExtJs, AngularJS, AWS, LabKey
1mo
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Android Engineer
Costa Mesa or Seattle or Washington
$166k-$220k/yr OnsiteFull Time
Degree in CS/CE/Aerospace or related, experience building Android map-based and data-intensive UIs, proficiency with Jetpack Compose/Java/Kotlin and backend languages (C++, Rust, Go), networking (TCP/UDP/Multicast/HTTP/protobuf/gRPC), willingness to be on-call, and ability to travel up to 30%.
Jetpack Compose, XML, Java, Kotlin, C++, Rust, Golang, TCP, UDP, Multicast, HTTP, protobuf, gRPC, Android Tactical Assault Kit (ATAK), CMake, Cargo, gradle, NixOS, CircleCI, Docker, TypeScript, React, C++/Qt, C#/.NET, ArcGIS, Cesium, MapBox, TAK, Gitlab-CI, Python, Bash
2mo
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Front End Engineer
Arlington or Seattle or New York City
OnsiteFull Time
4+ YOE4+ years front-end experience (75%+ in pure front end); expert in React or Angular, TypeScript, JavaScript, and HTML; able to own front-end architecture and build production-grade, data-intensive UIs.
React, Angular, TypeScript, JavaScript, HTML, APIs, WebSocket, D3.js, Mapbox, MapLibre
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