Top Front End Developer Jobs in Denver & Boulder, CO

YesterdaySaved
In-Office
Colorado
127K-217K Annually
Senior level
127K-217K Annually
Senior level
Aerospace • Information Technology • Software • Cybersecurity • Design • Defense • Manufacturing
Lead a team of HMI developers to design and implement high-performance web-based HMI and visualization components. Build front-end applications and APIs integrating backend services, simulations, and digital twin data. Collaborate with cross-functional teams, prototype features, participate in design/code reviews, testing, documentation, and support deployment and operational testing for defense command-and-control systems.
Top Skills: APIsCesiumCesiumjsDigital TwinFlaskHmiJavaJavaScriptMod & SimNode.jsPythonSpring BootThreejsWebgl
Reposted 25 Days AgoSaved
Remote
Colorado
170K-230K Annually
Senior level
170K-230K Annually
Senior level
Healthtech • Pet
The Staff Frontend Engineer will lead frontend architecture, build high-performance React applications, mentor junior engineers, and collaborate closely with product teams to enhance user experiences.
Top Skills: ClickhouseDjangoDjango Rest FrameworkElasticsearchGitJavaScriptPostgresPythonReactReact NativeRedisTypescript
4 Hours AgoSaved
Remote
Colorado
Mid level
Mid level
Gaming • Information Technology • Payments • Software
3-month contract Frontend Engineer to build client-facing UIs and integrations for cybersecurity use cases. Collaborate with product, design, and engineering to deliver secure, performant, scalable features, maintain component libraries and automated tests. Remote (GMT+8) role focused on TypeScript and modern web tooling.
Top Skills: Ai (Agentic Systems)DrizzleNext.JsPlaywrightPrismaRadix UiReactReact AriaShadcn/UiTailwind CssTanstack QueryTrpcTurbopackTurborepoTypescriptViteVitestZod
Reposted 19 Hours AgoSaved
Remote
Colorado
204K-255K Annually
Expert/Leader
204K-255K Annually
Expert/Leader
Real Estate • Travel • PropTech
As a Staff Frontend Engineer, you will enhance Airbnb's client tech stack by empowering product teams, optimizing infrastructure, and mentoring engineers.
Top Skills: GraphQLRest ApisTypescript
Reposted YesterdaySaved
Remote
Colorado
120K-150K Annually
Mid level
120K-150K Annually
Mid level
Fintech • Financial Services
As a Front End Engineer, you will build polished front-end experiences for Decile Hub, using a Rails codebase and ensuring UI consistency and quality. You will work closely with product and design teams to implement functional and aesthetically pleasing user interfaces while utilizing AI tools to enhance your workflow.
Top Skills: Ai Coding ToolsCSSHotwireHTMLJavaScriptRuby on RailsStimulusTurbo
Reposted YesterdaySaved
Remote or Hybrid
Colorado
250K-300K Annually
Expert/Leader
250K-300K Annually
Expert/Leader
Cloud • Digital Media • Enterprise Web • Marketing Tech • Software
Lead frontend engineering at ClickUp by driving technical architecture strategy, solving complex challenges, mentoring engineers, and ensuring high-quality systems while collaborating across teams.
Top Skills: Angular 2+NgrxReactRxjsTypescript
Reposted YesterdaySaved
Remote or Hybrid
Colorado
200K-250K Annually
Senior level
200K-250K Annually
Senior level
Cloud • Digital Media • Enterprise Web • Marketing Tech • Software
The Staff Frontend Engineer will lead frontend system development, architect scalable solutions, mentor engineers, and drive best practices while collaborating cross-functionally.
Top Skills: Angular 2+JestNgrxPlaywrightReactRxjsTypescriptVite
Reposted YesterdaySaved
Remote
Colorado
210K-240K Annually
Mid level
210K-240K Annually
Mid level
Artificial Intelligence • Insurance • Software • Automation
As a Staff Frontend Engineer, you'll drive frontend architecture decisions, implement UI systems, and collaborate closely with design and product teams to enhance user experiences using AI tooling.
Top Skills: Ai-Assisted Development ToolsComponent SystemsFrontend ArchitectureModern Web ApplicationsPerformance OptimizationState Management
Reposted YesterdaySaved
Remote
Colorado
175K-200K Annually
Senior level
175K-200K Annually
Senior level
Healthtech • HR Tech • Sales • Social Impact • Software
As a Staff Front End Engineer, you will lead the front end vision, drive architecture decisions, and mentor engineers while developing high-impact web applications in a collaborative environment.
Top Skills: JavaScriptReactReact NativeTypescriptWebpack
Reposted YesterdaySaved
Remote
Colorado
Senior level
Senior level
Food • Manufacturing
Design, build, test, and maintain scalable React/Redux web applications. Implement responsive UIs, integrate with Node.js and REST APIs, write unit tests with JEST, perform code reviews, debug issues, and participate in Agile ceremonies while maintaining project documentation.
Top Skills: CSSDynatraceGrafanaHTMLJavaScriptJestMicroservicesNode.jsReactReduxRestful ApisWebpack
Reposted YesterdaySaved
In-Office or Remote
Colorado
Mid level
Mid level
Blockchain • Information Technology • Software • Cryptocurrency
The Frontend Engineer will implement UI features, automate UI testing, and oversee production releases while focusing on user experience in the blockchain space.
Top Skills: BlockchainEvmUi Testing
Reposted YesterdaySaved
Remote
Colorado
100K-150K Hourly
Mid level
100K-150K Hourly
Mid level
Blockchain • Fintech • Cryptocurrency • Web3
Design, build, and maintain high-performance Next.js + TypeScript front-end applications. Implement responsive, accessible UIs, optimize rendering and bundle size, integrate with REST and WebSocket APIs, contribute to back-end work as needed, uphold testing and documentation standards, and mentor junior engineers.
Top Skills: Cloud ServicesDatabasesJavaScriptNext.JsNode.jsPostgresReactRestTypescriptWebsocket
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YesterdaySaved
In-Office or Remote
Colorado
Mid level
Mid level
Marketing Tech • Software
Build responsive, production-grade web UIs and data-dense dashboards from design prototypes. Implement interactive visualizations, integrate with REST/GraphQL backends, manage state and performance, write frontend tests, and collaborate with designers, backend and data engineers to deliver polished, accessible, and performant cybersecurity and analytics products.
Top Skills: AngularCSS3CypressD3DockerEchartsFigmaGitGithub ActionsGraphQLHTML5JavaScriptJestKubernetesPlaywrightReactRechartsRestStorybookSupersetTypescriptVue
YesterdaySaved
In-Office or Remote
Colorado
Senior level
Senior level
Information Technology • Software • Web3 • Infrastructure as a Service (IaaS)
Build and own frontend surfaces for trading and DeFi products, designing scalable real-time UIs, improving UX, setting frontend standards, collaborating on SDKs/APIs, and contributing to tooling, testing, and CI/CD.
Top Skills: ClaudeFigmaReactReact QueryReduxTypescriptWebsocketsZustand
YesterdaySaved
In-Office or Remote
Colorado
Senior level
Senior level
Information Technology • Software
Design and implement developer-facing UI from Figma to production using Hotwire (Turbo + Stimulus) and ViewComponents. Own the dashboard, API playgrounds, docs, marketing site, and data visualization. Optimize performance and bundle size, maintain a coherent component system, and ship polished, production-ready front-end with tests and CI/CD.
Top Skills: Ci/CdClaudeCursorEsbuildFigmaGitHotwireHTMLJavaScriptRuby On Rails 8SlackStimulusTailwind CssTurboTurbo FramesViewcomponent
Reposted YesterdaySaved
Remote
Colorado
35K-50K Annually
Entry level
35K-50K Annually
Entry level
Agency • HR Tech • Information Technology • Professional Services
The Front-End Developer will create and maintain web applications using HTML, CSS, and JavaScript, focusing on automation and software delivery processes.
Top Skills: Ci/CdCSSHTMLJavaScript
Reposted YesterdaySaved
Remote
Colorado
160K-220K Annually
Senior level
160K-220K Annually
Senior level
Fintech • Payments • Software • Financial Services
The Frontend Engineer will lead the development of applications using React, focusing on user experience and collaborating with cross-functional teams to improve frontend architecture and address user needs.
Top Skills: React
Reposted 7 Days AgoSaved
In-Office
Colorado
185K-320K Annually
Senior level
185K-320K Annually
Senior level
Aerospace • Artificial Intelligence • Hardware • Machine Learning • Software • Defense • Manufacturing
Lead the development of front-end architecture for spacecraft modeling software, drive cross-functional initiatives, mentor engineers, and influence product strategy.
Top Skills: CSSGraphQLGrpcHTMLJavaScriptReactRestTypescriptWebsockets
4 Days AgoSaved
Remote
Colorado
Mid level
Mid level
Hardware • Industrial • Manufacturing
Develop and maintain user interfaces and digital marketing tools, build reusable scalable front-end code, collaborate with back-end and cross-functional teams, troubleshoot and optimize site interaction and UX, lead projects, and stay current with web best practices and new technologies.
Top Skills: Advertising Platform ApisBigcommerceCSS3HTML5JavaScriptJqueryMagentoReactSeoShopifyWoocommerceWordpress
Reposted 4 Days AgoSaved
Remote
Colorado
200K-245K Annually
Senior level
200K-245K Annually
Senior level
Machine Learning • Software
The Sr/Staff Frontend Engineer will develop new web applications, enhance UI experiences, architect solutions, and collaborate with various stakeholders to ensure a scalable and secure platform.
Top Skills: APIsCSSGitHTMLJavaScriptJIRAMicro-ServicesTypescript
Reposted 10 Days AgoSaved
In-Office
Colorado
122K-157K Annually
Senior level
122K-157K Annually
Senior level
Aerospace • Hardware • Machine Learning • Software • App development • Defense • Data Privacy
Lead a team to develop user interfaces for mission-critical solutions. Responsibilities include code contributions, guidance, task assignments, and maintaining CI/CD pipelines.
Top Skills: IonicNode.jsTauriTypescriptVue
Reposted 10 Days AgoSaved
Easy Apply
Remote
Colorado
Easy Apply
232K-310K Annually
Senior level
232K-310K Annually
Senior level
Big Data • Fintech • Mobile • Payments • Financial Services
This role involves leading web platform initiatives, mentoring senior engineers, architecting web applications, and implementing technical strategies for improved performance.
Top Skills: Ai ToolingCi/CdNxOxlintReactRspackTurborepoTypescriptVite
Reposted 5 Days AgoSaved
Remote
Colorado
100K-160K Annually
Mid level
100K-160K Annually
Mid level
Blockchain • Software • Financial Services • Cryptocurrency
The Frontend Engineer will develop high-performance trading UIs for a decentralized exchange platform, manage state across various blockchains, and implement reliable transaction handling features.
Top Skills: JavaScriptReactTypescriptWebsockets
6 Days AgoSaved
In-Office
Colorado
76K-156K Annually
Mid level
76K-156K Annually
Mid level
Information Technology • Consulting • Defense
Develop and maintain front-end web applications across the full lifecycle. Implement modern JavaScript frameworks, UI/UX best practices, RESTful/WebSocket integrations, and support system design, integration, testing, and deployment within an agile team.
Top Skills: AngularAutomated Functional And Cross-Browser TestingBootstrapBrowser ApisCSSEdge ComputingGisGitGitlabGraphQLHTMLJavaScriptNode.jsNpmOgc WfsOgc WmsRestful ApisSassSvelteTailwindTypescriptVueWebglWebsockets
6 Days AgoSaved
Remote
Colorado
Senior level
Senior level
Big Data • Healthtech • Software • Biotech
Lead frontend development for native iOS and Android apps using React Native. Turn Figma designs into high-performance screens, ship end-to-end releases to App Store and Google Play, optimize performance and startup time, design architecture and state management, own code quality and reviews, implement rich animations and gestures, integrate APIs and AI features, and maintain analytics, logging, and monitoring.
Top Skills: AIAndroidApp StoreEasExpoFigmaGoogle PlayiOSReactReact NativeTypescript
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