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40 ui developer jobs at 30 companies in Castle Rock, CO

PromotedHiringCafe
Founding Full-stack / Product Engineer
Cupertino, CA, US
$130k-$300k/yr On-SiteFull Time
HiringCafe
HiringCafe: Building a 100× better job search engine to take on Indeed and LinkedIn.
Help us build a 100× better job search engine. We need a full-stack engineer with great taste, sharp fundamentals, and a track record of shipping polished product on React/Next.js plus a real backend (Firebase, Elasticsearch, Redis, Stripe).
React, Next.js, TypeScript, Firebase, Elasticsearch, Redis, Stripe
Help us #BeatIndeed & #BeatLinkedIn
1mo
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UI Developer
Aurora or Herndon
$122k-$183k/yr OnsiteFull Time
Two Six Technologies
Two Six Technologies: Develops cybersecurity and data systems for national security missions.
5+ YOE5+ years software engineering; 2+ years JavaScript/TypeScript; Bachelor's in Systems Engineering, Computer Science, Information Systems, or related field; front-end frameworks; collaborative teamwork.
JavaScript, TypeScript, D3.js, Cesium, SCSS, Bootstrap, RxJS, Sketch, Figma, Jasmine, Karma, Vitest, Cypress, Git, Jira
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1mo
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UI/UX Software Engineer (AI-Specialty)
Colorado Springs or King of Prussia
$93k-$186k/yr HybridFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Designs and manufactures global security and aerospace systems.
3+ YOESecret clearance (US citizen) preferred; 3+ years experience; experience with UI/UX tools (Figma, MockFlow, UXPin, Axure), AI-assisted design, Angular/JavaScript/CSS/HTML, Docker and REST APIs; SDLC experience.
Figma, MockFlow, UXPin, Axure, Figma AI, UX Pilot, Google Stitch, Angular, JavaScript, CSS, HTML, Docker, REST APIs, Cypress, Selenium, Playwright, Jest, GitLab CI/CD, Helm, Kubernetes, gRPC, Python, Flask
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1mo
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Senior Front-End UI/UX Engineer
Colorado Springs, Colorado, United States
$130k-$170k/yr OnsiteFull Time
GXM Technologies
GXM Technologies: Delivering rapid software solutions and innovation for defense organizations.
8+ YOEU.S. citizen with active TS/SCI clearance, Bachelor's in a related field, 8+ years front-end/UI/UX experience, expertise with React/Angular/Vue, TypeScript, JavaScript, HTML, CSS, and data visualization.
React, Angular, Vue, TypeScript, JavaScript, HTML, CSS, Figma
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1mo
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Sr. Software Engineer - Full Stack - UI (Denver, US)
Denver, Colorado, United States
$90k-$120k/yr OnsiteFull Time
KUKA
KUKA: Provides industrial robots and automated logistics and production systems.
7+ YOEBachelor's/Master's in CS or equivalent, 7+ years software development, 4+ years front-end/UI, expertise in TypeScript/Angular/React/SignalR/Vue, REST/GraphQL, CI/CD, Linux/Windows, strong problem-solving and communication.
TypeScript, Angular, React, SignalR, Vue, REST, GraphQL, Linux, Windows, CI/CD
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3mo
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Software Engineer, UI/UX
Broomfield, Colorado, United States
$107k-$125k/yr HybridFull Time
Lightship
Lightship: Manufacturer of aerodynamic all-electric recreational travel trailers.
2+ YOEBachelor’s degree or 2+ years of relevant experience; Kotlin for Android; Flutter; UI design basics; embedded Linux; databases; Git; CI/CD; strong communication.
Kotlin, Flutter, Firebase, ProtoBufs, MQTT, WebSockets, Embedded Linux, SQLite, Git, CI/CD, AWS IoT Core, Lambda, C#, Python, Ethernet, WiFi, LTE, Bluetooth, XCode, TestFlight
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1w
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UI/UX Engineer – Mid (TS/SCI with CI Polygraph)
Aurora, Colorado, United States
$145k-$175k/yr OnsiteFull Time
DeNOVO Solutions
DeNOVO Solutions: Provides defense and intelligence technology, software engineering, and cybersecurity services.
5+ YOE5–10 years experience designing and prototyping UI/UX for mission systems; bachelor’s in computer science or related (or equivalent experience); TS/SCI with CI Polygraph required.
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2mo
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UI/UX Software Engineer - Aurora, CO or Meridian, CO
Aurora or Meridian
$140k-$199k/yr OnsiteFull Time
ICR
ICR: Independent research and development organization
Top Secret clearance with SCI access; US Citizenship; Angular 17+, Tailwind, MapLibre; Linux; API design; SDLC; strong communication; self-motivated; team collaboration.
Angular, TypeScript, Git, GitLab-Pipelines, JSON Schema, OpenAPI, Protocol Buffers, Cesium, OpenLayers, MapLibre, Linux
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1mo
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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: Builds and operates resilient data workflow orchestration platforms.
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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3mo
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26-139 CI/CD Engineer UI
Colorado Springs, Colorado, United States
$106k-$115k/yr OnsiteFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Engineers secure communication and mission-critical defense technology systems.
9+ YOEBachelor’s or Engineering tech degree; 4+ years experience; plus 5+ years or Master’s with 3+ years; DoD Secret clearance; U.S. citizenship.
GitLab, Jenkins, Ansible, Infrastructure as Code, Bash, PowerShell
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3mo
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Principal Software Engineer - Frontend, Developer Experience
San Francisco or Phoenix or Denver or Austin or Jacksonville or Bridgeport or Boston or New York City or Atlanta
RemoteFull Time
Palo Alto Networks
Palo Alto NetworksNASDAQ: PANW: Provides enterprise-grade network, cloud, and endpoint security software.
5+ YOEDevelop frontend UIs with TypeScript/React; collaborate with product/design; contribute to architecture and testing; mentor colleagues.
TypeScript, React, GraphQL, Node.js
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2mo
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Software Engineer
Denver, Colorado, United States
$115k-$155k/yr OnsiteFull Time
Performance Drone Works
Performance Drone Works: Manufacturer of autonomous, tactical unmanned aerial systems for defense.
3+ YOEC++ software development in embedded/Linux environments; UI with Qt/QML; CI/CD; collaboration across teams; 3–5 years experience.
C++, Qt, QML, Linux, Git, CMake, QMake, CI/CD
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3w
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Senior iOS Developer
Pittsburgh or Cleveland or Dallas or Birmingham or Phoenix or Denver
$71k-$157k/yr OnsiteFull Time
CGI
CGINYSE: GIB: Provides information technology and business consulting services.
7+ YOE7+ years mobile development; 5+ years iOS with Swift, Swift UI and Objective C; experience with XCode, Core Data, RESTful APIs, Git, unit testing frameworks, app architecture (MVC/MVP/MVVM), and biometric/device capabilities.
Swift, Swift UI, Objective C, XCode, Core Data, Core Animation, XCTestFramework, XCUITestFramework, Git, Java, JSON, RESTful APIs, MVC, MVP, MVVM
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3mo
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Full Stack Software Engineer – UI/UX & Web Engineering (Azure)
New York or Washington or Denver or Seattle or Los Angeles or Chicago or Austin or Dallas
OnsiteFull Time
WSP
WSPToronto Stock Exchange: WSP: Provides engineering, design, and environmental consultancy services globally.
12+ YOEBachelor's degree; 12+ years full-stack experience; strong React/Vue; REST APIs; Python/Node/.NET; Azure services; DevOps; Git; Agile.
React, Vue, Python, Node.js, .NET, REST APIs, Azure, Azure App Services, Azure Functions, Cosmos DB, Azure Storage, CI/CD, Git
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3mo
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Full Stack Developer
Littleton, Colorado, United States
$100k-$120k/yr OnsiteFull Time
PassTime
PassTime: Provides GPS vehicle tracking and automotive asset management solutions.
6+ YOE6+ years of progressive full stack development; Bachelor's in a related field; strong JS framework experience; US work authorization; ability to work after hours/weekends as needed.
JavaScript, Angular, React, API integration, AWS, Azure, MS SQL Server, TFS, DevOps, Git, GitLab, WebAPI, REST, CSS, UI/UX
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2mo
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Front End Software Developer
Colorado Springs, Colorado, United States
$101k-$175k/yr HybridFull Time
LMI
LMI: Delivers management, technology, and analytics solutions for federal agencies.
5–10 years of front-end software development experience; strong JS/HTML/CSS; React/Angular/Vue; data visualization; REST APIs; UI/UX.
JavaScript, HTML, CSS, React, Angular, Vue.js, D3.js, Chart.js, REST APIs
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1mo
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Senior Frontend Software Developer
Aurora, Colorado, United States
$87k-$165k/yr OnsiteFull Time
RTX
RTXNYSE: RTX: Provides advanced aerospace and defense systems and services.
5+ YOEBachelor's in STEM and 5+ years relevant experience; proficiency with JavaScript and Angular; UI development experience; ability to obtain and maintain TS/SCI clearance; experience with Java or C++ preferred; familiarity with Confluence, Eclipse, Jira, and Git.
JavaScript, Angular, Java, C++, Confluence, Eclipse, Jira, Git
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1mo
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Software Engineer - Level 3
Colorado Springs, Colorado, United States
$104k-$155k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
5+ YOEBachelor's in STEM with 5 years (or Master's +3, PhD +1); 3+ years developing in C++; RHEL/Linux, UI/UX, software design and debugging experience; active US Secret clearance required; willingness to travel ~10%.
C++, Red Hat Enterprise Linux (RHEL), Linux, Git, Bitbucket, Jira, Confluence, Jenkins, GDB, OpenGL, Motif, TeleUSE GUI Builder
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2mo
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Front End Software Developer
Colorado Springs, Colorado, United States
$101k-$175k/yr HybridFull Time
LMI
LMI: Provides management consulting and digital solutions to federal government agencies.
5+ YOEBachelor’s in CS/SE or related field; 5–10 years front-end experience; React/Angular/Vue.js; JS/HTML/CSS; data-driven UI; REST APIs; UI/UX; fast-paced environment; strong communication.
React, Angular, Vue.js, D3.js, Chart.js, REST APIs, JavaScript, HTML, CSS
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2mo
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Design Engineer
New York or Denver or San Francisco or Remote
$140k-$210k/yr HybridFull Time
Ambrook
Ambrook: Financial management platform for agricultural and industrial businesses.
3+ YOE3+ years building high-quality web and mobile experiences; design system ownership; strong UI/UX; advanced frontend skills; collaborative; React/TypeScript; mission-driven.
Next.js, React, TypeScript, React Native, Expo, Firestore, Google Cloud Platform, BigQuery, Figma
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1mo
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Software Engineer II (Frontend)
San Francisco or Atlanta or Austin or Boston or Chicago or Dallas or Denver or Houston or Jacksonville or Los Angeles or Miami or New York City or Phoenix or Portland or Sacramento or Salt Lake City or San Diego or Seattle or Washington, D.C. or Ottawa or Toronto or Vancouver or Mexico City
$103k-$186k/yr HybridFull Time
Scribd
Scribd: Subscription-based digital library for e-books, audiobooks, and documents.
4+ YOE4+ years frontend software development; strong TS/JS/React; Next.js; Rails familiarity; API integration; accessibility; testing; A/B testing; AI tools.
TypeScript, JavaScript, React, Next.js, Ruby on Rails, REST, GraphQL, Redis, Kafka, MySQL, Terraform, CI/CD, Monorepos, UI Libraries, AI Tools
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