53 fronted developer jobs at 33 companies in Littleton, CO
3w
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Graduate Developer
Farmington Hills or Rosemont or Pennsylvania or Houston or Dallas or Golden
HybridFull Time
0+ YOEBachelor's degree required, 0-2 years developer experience, proficiency in JavaScript and Python, front- or back-end development, data visualization and manipulation skills.
Javascript, Python, Earth Volumetric Studio
1mo
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Software Engineer II – Portal (Front End)
Atlanta or Denver or Cincinnati or Salt Lake City
$92k-$139k/yr HybridFull Time
6+ YOE6+ years software development experience; 3+ years Angular front-end; 2+ years ExpressJS; experience with Node.js, TypeScript, relational databases, REST APIs and AWS; strong communication and SDLC knowledge.
Node.js, TypeScript, Angular, Playwright, MariaDB, AWS EC2, AWS S3, API Gateway, Git, GitHub, CI, JIRA, Confluence, Qualys, Jenkins, ExpressJS, Postgres, REST APIs
2mo
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Sitecore Web Developer
Tacoma or Aurora or San Antonio or Falls Church
OnsiteFull Time
8+ YOESenior full‑stack web developer with 8+ years experience, Sitecore and ASP.NET/C# expertise, HTML/CSS/JavaScript and modern front-end frameworks, SQL, MVC5/PWAs, IAT II and CE certifications (DoD 8570/8140), U.S. citizenship required.
HTML, CSS, JavaScript, React, Angular, Vue, Active Server Pages (ASP.NET), C#, Sitecore Content Management System (CMS), SQL, MVC5, PWAs, Jira
2mo
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UI Developer
Aurora or Herndon
$122k-$183k/yr OnsiteFull Time
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
1w
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Engineering - Software Engineer
Kentucky or Florida or Arizona or Colorado or Indiana or Missouri or Georgia or Texas or Alabama
OnsiteFull Time
Experience developing web applications with PHP and related frameworks, MySQL, Git, AWS, container tools (Vagrant/Docker), front-end (HTML5,CSS,Less,jQuery), familiarity with Agile; associates or bachelor's degree preferred; occasional travel.
PHP 5, Symfony, Zend, MySQL, Git, Agile, Amazon Web Services, Vagrant, Docker, jQuery, Less, Bootstrap, CSS, HTML 5, Linux Ubuntu, C#, .NET, React .js, node .js, Doctrine Entity Framework
1mo
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Software Engineer, Full Stack
Greenwood Village, Colorado, United States
$100k-$123k/yr HybridFull Time
2+ YOE2+ years front- and back-end development and Agile experience; 1+ year with React, Typescript, Node and cloud platforms; Bachelor's preferred; AI/ML experience and SDLC/CI/CD/Git skills preferred.
React, HTML/CSS, Node.js, SQL, Python, Docker, Kubernetes, AWS, Microsoft PowerShell, Git, Typescript, TensorFlow, Scikit-learn, Amazon SageMaker, Microsoft Azure, Google Cloud
1mo
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Senior React Developer/Architect
Centennial, Colorado, United States
$99k-$172k/yr HybridFull Time
10+ YOE10+ years front-end experience with React and TypeScript; expertise in front-end architecture, Node.js, Express.js, Next.js, AEM/Sitecore, testing (Jest/Cypress), Webpack, state management, and CI/CD.
React, TypeScript, Node.js, Express.js, Next.js, Adobe Experience Manager (AEM), Sitecore, Material UI, GraphQL, Jest, Cypress, React Testing Library, Webpack, Redux, Zustand, Recoil, CI/CD, Storybook, SASS, JavaScript
2w
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Senior Front-End Engineer
Longmont, Colorado, United States
$145k-$165k/yr HybridFull Time
5+ YOE5+ years front-end experience with ownership-level responsibilities; deep React, TypeScript, Node.js, Next.js, CI/CD, performance, accessibility, and analytics experience; AI-fluent and strong mentorship skills.
React, TypeScript, Node.js, Tailwind, AWS Amplify, Vercel, Next.js, Amplitude, Segment, GA4, GitHub, GraphQL, Claude Code, Copilot, Cursor
2w
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Front End Software Engineer
Englewood or Denver
$140k-$180k/yr OnsiteFull Time
Bachelor's in a related field, TS/SCI clearance required, experience with Java/JavaScript/Python and front-end frameworks, strong communication and problem-solving skills.
Java, Python, JavaScript, Angular, React, ElasticSearch, TypeScript, ELK, Redis, Web Services (REST), Docker, LXC, Kubernetes, Helm, Machine Learning, Android, NoSQL, SQL, Xmidas, Digital Signal Processing, Svelte
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
1mo
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Frontend Full Stack Staff Software Engineer, AI Platform Experiences
New York City or Seattle or San Francisco or Denver or Los Angeles or San Jose
$163k-$247k/yr HybridFull Time
8+ YOE8+ years software development experience (4+ building scalable platforms), strong front-end skills, experience with Ruby on Rails, React, GraphQL, platform/AI experience preferred, mentoring and cross-functional collaboration skills.
Ruby on Rails, React, GraphQL
1mo
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Software Engineer I - Ground Software
Greenwood Village or Austin or Laurel
$70k-$125k/yr HybridFull Time
0+ YOEEarly‑career full‑stack engineer; 0–1 years experience; bachelor's (or pursuing) in CS or related; foundational React/Angular knowledge; familiarity with TypeScript, C#, REST, Git, SQL, front-end tools; ability to obtain security clearance.
React, TypeScript, C#, .NET, Docker, Kafka, REST, Yarn, Babel, Material-UI, Git, SQL, TanStack Query
1mo
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Full Stack Software Developer/Engineer
Sterling or Denver
$69k-$142k/yr OnsiteFull Time
3+ YOETS/SCI with CI poly required (or willing to take CI poly); Bachelor's in STEM or related experience with 3+ years; experience with Java or web front end, Linux, full-stack development, Agile/Kanban; willingness to obtain Security+.
Java 17, Spring Boot, Spring Framework, REST, JavaScript, TypeScript, Vue 3, Bootstrap, Mockito, JUnit, Cypress, PostGres, MySQL, Redis, AWS DynamoDB, AWS EC2, RDS, S3, SNS/SQS, Lamda, Git, Jira, Confluence, Gitlab CI/CD, SonarQube, Fortify, Docker, Kubernetes
1w
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Sr. User Interface Engineer (Vue.js)
Westminster, Colorado, United States
$150k-$170k/yr OnsiteFull Time
5+ YOE5+ years front-end experience with strong Vue.js and modern JavaScript skills, HTML/CSS, responsive design, production web app experience, Linux/Unix familiarity, and strong problem-solving.
Vue.js, JavaScript, HTML, CSS, Linux/Unix
1mo
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Sr. Software Engineer - Full Stack - UI (Denver, US)
Denver, Colorado, United States
$90k-$120k/yr OnsiteFull Time
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
1w
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Front End Software Developer
Sterling or Aurora
$82k-$172k/yr OnsiteFull Time
5+ YOE5+ years front-end development experience, TS/JS proficiency, Bachelor\u0002s in CS/Engineering, TS/SCI clearance (CI poly desired), experience with modern web frameworks and DevSecOps.
TypeScript, Java, Spring Boot, Spring Framework, REST, JavaScript, Vue 3, Bootstrap, Vite, Mockito, JUnit, Cypress, PostGres, MySQL, Redis, AWS DynamoDB, AWS EC2, RDS, S3, SNS/SQS, Lamda, Git, Jira, Confluence, Gitlab CI/CD, SonarQube, SAST, Docker, Kubernetes
1mo
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Front End Software Engineer
San Francisco or Denver or New York City
$150k-$200k/yr OnsiteFull Time
3+ YOEBachelor's in CS or similar, 3+ years software engineering experience, proficiency with HTML, CSS, React, TypeScript and API development; familiarity with SSR, GraphQL, Tailwind, Firebase, and Codegen; strong UX instincts.
HTML, CSS, React, TypeScript, API, GraphQL, Tailwind, Firebase, Codegen
1mo
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Engineer Senior - Digital Test Developer
Westminster, Colorado, United States
$97k-$165k/yr OnsiteFull Time
4+ YOEBachelors in engineering (or related) + 4+ years experience; experience in full-stack web/desktop apps, back-end and front-end development, CI/CD and testing; Python and Ruby proficiency; eligible for Top Secret/SCI; U.S. person required.
Python, Ruby, Ruby on Rails, Knockout, Vue, NodeJS, JavaScript, Keycloak, Redis, Traefix, Minio, OpenC3 COSMOS, LabVIEW, Veristand, Linux, Windows, BASH, PowerShell, Docker, Podman, CI/CD, NoSQL, FPGA, VHDL, UART, GPIB, DAQmx, RIO, TCP-IP, USB, Spacewire, 1553
1d
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Sr Software Engineer/Front-End Developer
Denver, Colorado, United States
$97k-$165k/yr OnsiteFull Time
4+ YOEBachelor's degree plus 4 years experience (or equivalent), US person required, Top Secret/SCI clearance required or obtainable, experience with modern front-end frameworks, RESTful APIs, Git, and agile methods.
HTML5, CSS3, LESS, SASS, Bourbon, Twitter Bootstrap, JavaScript, jQuery, Backbone.js, Ember.js, D3, Git, GitHub, Rails, Express, Django, Angular, React, Java, Kubernetes, Docker, Jenkins, Puppet
3w
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Junior Front-End Developer
Westminster, Colorado, United States
$88k-$155k/yr OnsiteFull Time
2+ YOEBachelor's or equivalent, 2+ years related experience, working knowledge of Python and JavaScript, familiarity with PyQT/ReactJS/Dash/Streamlit, HTML/CSS, basic AI/ML concepts, and ability to work onsite in Denver.
Python, JavaScript, PyQT, ReactJS, Dash, Streamlit, HTML, CSS, Git, Azure Machine Learning, Roboflow