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58 ui developer jobs at 31 companies in Washington

1mo
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UI Engineer
Seattle or United States
$110k-$125k/yr RemoteFull Time
Marchex
MarchexNASDAQ: MCHX: Public U.S. conversation-intelligence software helping businesses turn phone and text conversations into revenue insights.
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
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1mo
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UI Software Engineer
Seattle, Washington, United States
$110k-$135k/yr OnsiteFull Time
AdaptX
AdaptX: Private healthcare software serving health systems with AI-driven clinical management and real-world EMR data analytics.
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
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UI Engineer
Seattle, Washington, United States
$110k-$170k/yr HybridFull Time
Taxbit
Taxbit: Private fintech software automating tax reporting and regulatory compliance for enterprises, financial institutions, and governments.
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
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2mo
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Lead UI Programmer
Cary or California or Washington or North America
$166k-$267k/yr OnsiteFull Time
Epic Games
Epic Games: Developer of video games and real-time 3D creation tools.
Strong C++ and UI development skills, mobile experience, experience shipping AAA and live-service games, proven leadership/mentoring of programmers, system and tool design, and excellent communication.
C++, Unreal Engine
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3w
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UX and UI Software Engineer — Observability
Seattle, Washington, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designing and manufacturing consumer electronics, software, and digital services.
Software engineering role focused on designing and building user interfaces and observability experiences that transform large-scale telemetry data into actionable insights.
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Product Engineer (UX/UI)
Seattle, Washington, United States
$120k-$170k/yr OnsiteFull Time
Gradial
Gradial: AI-native marketing operations software helping enterprise marketers automate campaign execution across their existing systems.
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
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3mo
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Senior Software Engineer - UI
Seattle, Washington, United States
OnsiteFull Time
AIM Intelligent Machines Inc.
AIM Intelligent Machines Inc.: Private physical-AI retrofitting bulldozers and excavators into autonomous fleets for mining, construction, and defense.
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
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2w
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Staff Software Engineer- UI Foundations Team
North America or San Francisco or New York City or Vancouver or Colorado or Washington
$173k-$264k/yr HybridFull Time
Amplitude
AmplitudeNasdaq: AMPL: Public American software providing AI analytics tools that help businesses build better digital products and experiences.
Staff-level software engineering experience, deep frontend architecture expertise, performance optimization, developer tooling, AI-agent workflows, technical leadership, and strong written and verbal communication.
React, CI/CD, LLM, monorepo, micro-frontend, codegen, Modern Health, One Medical
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Staff Software Engineer- UI Foundations Team
North America or San Francisco or Colorado or New York City or California or Washington or Vancouver or Amsterdam or London or Paris or Singapore or Tokyo
$173k-$264k/yr HybridFull Time
Amplitude
AmplitudeNasdaq: AMPL: Public American software providing AI analytics tools that help businesses build better digital products and experiences.
5+ YOEStaff-level software engineering experience, deep frontend architecture expertise, performance optimization experience, developer tooling or platform infrastructure experience, and familiarity with AI-agent or LLM-powered workflows.
React, CI/CD, Microsoft?, LLM, ESPP, Modern Health, One Medical
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Staff Software Engineer- UI Foundations Team
North America or San Francisco or New York City or Colorado or Washington or Canada or Netherlands or United Kingdom or France or Singapore or Japan
$173k-$264k/yr HybridFull Time
Amplitude
AmplitudeNasdaq: AMPL: Public American software providing AI analytics tools that help businesses build better digital products and experiences.
Staff-level software engineering scope, deep frontend architecture expertise, React or equivalent framework experience, performance optimization, developer tooling, AI-agent workflows, and strong technical communication.
React, CI/CD, LLM, ESPP, Modern Health, One Medical
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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
Prefect
Prefect: Private workflow-orchestration software serving data, machine-learning, and AI teams.
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
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1mo
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Senior Mobile Developer
Utah or Wisconsin or Alaska or Arkansas or Washington or Arizona or Virginia or Alabama or Texas or Pennsylvania or Oregon or Oklahoma or Ohio or Nevada or Nebraska or Montana or Mississippi or Minnesota or Michigan or Massachusetts or Maryland or Maine or Louisiana or Kansas or Iowa or Indiana or Idaho or Florida or Delaware or Connecticut or Missouri or Colorado or California or Wyoming
$125k-$135k/yr RemoteFull Time
Harris Computer
Harris Computer: Global provider of mission-critical vertical market software solutions.
8+ YOEExpertise in Kotlin and Swift, modern mobile UI frameworks, mobile architectures and DI, REST API integration, mobile testing, CI/CD tooling, AI-assisted development experience, bachelor's or equivalent, 8+ years software development.
Kotlin, Swift, Jetpack Compose, SwiftUI, The Composable Architecture, MVVM, Koin, Retrofit, OkHttp, URLSession, JUnit, Mockito, Robolectric, Espresso, Compose UI test, XCTest, XCUITest, Gradle, Swift Package Manager, Bitrise, Fastlane, GitHub Copilot, Claude, Cursor, ChatGPT
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2w
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Software Engineer - Digital Site Development
Issaquah or Seattle
$85k-$225k/yr OnsiteFull Time
Costco Wholesale
Costco WholesaleNASDAQ: COST: Multinational membership-only big-box retail warehouse operator.
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
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Staff Design Engineer
Bellevue or Menlo Park
$173k-$248k/yr HybridFull Time
Snowflake
SnowflakeNYSE: SNOW: Cloud-based data platform for AI, analytics, and data applications.
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
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Sr Design Engineer, Spectrum Desktop
San Francisco or Seattle or San Jose
$139k-$258k/yr OnsiteFull Time
Adobe
AdobeNASDAQ: ADBE: Empowering everyone to create through innovative digital experiences.
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
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Senior Product Software Engineer (Swift)
Glendale or Seattle or New York City
$142k-$190k/yr OnsiteFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: A leading global entertainment and media conglomerate.
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
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1w
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Senior Full Stack Engineer
California or Colorado or Connecticut or Florida or Georgia or Illinois or Indiana or Kansas or Louisiana or Massachusetts or Maryland or Michigan or Minnesota or Missouri or North Carolina or New Hampshire or New Jersey or Nevada or New York or Ohio or Oregon or Pennsylvania or South Carolina or South Dakota or Tennessee or Texas or Virginia or Washington or Wisconsin
$136k-$185k/yr RemoteFull Time
Global Overview
Global Overview: Full-service Amazon agency helping brands grow through operations, retail, advertising, creative, and data services.
7+ YOEBachelor's preferred; 7+ years in full-stack development, data warehousing, SQL, and relational databases. Requires AWS, Redshift, PostgreSQL, Python, CI/CD, ETL, UI, cloud architecture, and mentoring expertise.
AWS, Amazon Redshift, PostgreSQL, Python, Scrum, Scaled Agile Framework (SAFe), Extreme Programming, GitHub, Jenkins, Tableau, Qlik, Amazon QuickSight, SQL, Oracle, SQL Server, Teradata, AWS CLI, PowerShell, Unix shell, AWS Glue, Alteryx, AWS Amplify, Amazon CloudFront, React, Vue, Node.js, HTML, C#, CSS, C++, JavaScript, HTTP, REST APIs, Git, Docker, AWS CloudFormation, YAML, AWS CodeCommit, jQuery
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UX Engineer
Bellevue, Washington, United States
$150k-$225k/yr OnsiteFull Time
Auger
Auger: Private supply-chain software providing autonomous decision and execution systems for enterprise operators.
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
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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
IonQ
IonQNYSE: IONQ: Public quantum technology delivering trapped-ion computing, networking, sensing, and security systems to enterprise and government customers.
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
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Ground System Software Engineer (R4787)
Seattle, Washington, United States
OnsiteFull Time
Shield AI
Shield AI: Developer of AI-powered autonomous systems for defense and aerospace.
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
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