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61 ui engineer jobs at 34 companies in Washington

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 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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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
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 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
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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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Contract Technical UI/UX Designer - Video Games
San Francisco or New York City or Los Angeles or Seattle or Boston or Washington or Austin or Denver or Nashville or Atlanta or Chicago or Dallas or Miami or United States
$33-$58/hr RemoteContract
Mob Entertainment
Mob Entertainment: Animation & Game Studio • Creator of the hit game Poppy Playtime!
3+ YOE3+ years in UI technical design for games, strong proficiency with Unreal Engine and Blueprint scripting, experience building real-time UI, optimization and accessibility knowledge, collaborative problem-solving skills.
Unreal Engine, Blueprint, C++, C#
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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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3mo
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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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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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2w
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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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2w
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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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Staff Engineer – Full Stack Applications FinOps
Bethesda or Palo Alto or Dallas or Seattle
$110k-$230k/yr HybridFull Time
GEICO
GEICO: A leading provider of auto and property insurance.
8+ YOE8+ years software engineering experience building full-stack web platforms; leadership in UI and backend, cloud and Kubernetes experience; strong knowledge of microservices, event-driven architectures, and data stores.
React, Typescript, Bootstrap, Django, Golang, Python, Kafka, gRPC, protocol buffers, Apache Spark, PostgreSQL, Cassandra, MongoDB, Kubernetes, k8s, Docker, Terraform, AWS, GCP, Azure, CICD, Java, ReactJS, TypeScript, BoostrapJS
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2mo
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Senior Tools Programmer, UI & AI Workflows
Cary or New York City or California or Washington
$173k-$279k/yr OnsiteFull Time
Epic Games
Epic Games: Developer of video games and real-time 3D creation tools.
Strong tools-programming background with deep UI expertise, excellent C++ skills, familiarity with AI/agentic workflows, strong communication; Unreal Engine/Slate/UMG and shipped-title experience are a plus.
C++, Unreal Engine, Slate, UMG
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Design Engineer, Americas
New York or San Francisco or Austin or Portland or Los Angeles or Seattle or Boston or Chicago or Denver or United States
$122k-$220k/yr RemoteFull Time
Ashby: Private recruiting software providing ATS, CRM, sourcing, scheduling, analytics, and AI tools to hiring teams.
2+ YOEDesign and implement product-facing UI/UX and production code. Expect proficiency with TypeScript, React, CSS; familiarity with GraphQL, Node.js, Postgres, Redis is a plus. 2+ years industry experience preferred.
TypeScript, React, GraphQL, Node.js, Postgres, Redis, CSS
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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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Software Development Engineer
Seattle, Washington, United States
$93k-$179k/yr OnsiteFull Time
Adobe
AdobeNASDAQ: ADBE: Empowering everyone to create through innovative digital experiences.
2+ YOE2+ years software engineering experience; strong in JavaScript/TypeScript, Node.js or Java; GraphQL and UI framework familiarity; strong communication and problem-solving skills.
GraphQL, Java, Node.js, JavaScript, TypeScript, Claude Code
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Lead Test Automation Engineer
United States or Bellevue
$129k-$215k/yr HybridFull Time
Symetra
Symetra: Private U.S. financial services providing retirement solutions, life insurance and employee benefits to people and businesses.
8+ YOE8+ years test automation/quality engineering experience, proven technical leadership, strong automation framework design, API and UI test automation, CI/CD integration, and cloud testing experience.
Playwright, Cypress, Selenium, Pytest, Postman, Python, Azure DevOps pipelines, GitHub Actions, AWS, Azure, GCP
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Lead Test Automation Engineer
Bellevue or United States
$129k-$215k/yr RemoteFull Time
Symetra
Symetra: Private U.S. financial services providing retirement solutions, life insurance and employee benefits to people and businesses.
8+ YOE8+ years in test automation/quality engineering, proven leadership of automation teams, experience designing scalable frameworks, API/UI testing, CI/CD integration, cloud testing, and strong debugging and communication skills.
Playwright, Cypress, Selenium, Pytest, Postman, REST, JSON, Python, Microsoft Azure DevOps, GitHub Actions, AWS, Azure, GCP
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Test Engineer II, Off-Radar Software
Kirkland, Washington, United States
$114k-$171k/yr OnsiteFull Time
Echodyne
Echodyne: U.S. radar manufacturer serving defense, government, security, and autonomous-systems customers with compact MESA radar.
3+ YOE3+ years in software/test engineering for web apps and REST APIs; experience with UI and API testing, test design, Linux, Git, CI/CD, hardware-software integration; Python and automation experience preferred.
Python, Playwright, Selenium, Linux, Git, CI/CD
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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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