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Top Front End Developer Jobs in Denver & Boulder, CO

Reposted 6 Days AgoSaved
Remote
Colorado
Mid level
Mid level
Big Data
The Software Engineer (Frontend) at Metabase will develop user-friendly data tools, leveraging React and CSS while ensuring optimal communication and coding practices.
Top Skills: CSSJavaScriptReactRedux
Reposted 10 Hours AgoSaved
Remote
Colorado
Senior level
Senior level
Information Technology • Web3
Lead technical direction and contribute to the frontend codebase, building user-facing tools and mentoring team engineers to enhance user experiences.
Top Skills: GraphQLNext.JsNode.jsReactTypescript
Reposted 16 Days AgoSaved
Remote
Colorado
140K-220K Annually
Mid level
140K-220K Annually
Mid level
Artificial Intelligence • Blockchain
Design and implement frontend components for the Solidity compiler, optimize performance, develop integration layers, and collaborate with researchers to enhance security features.
Top Skills: C++Formal Verification ToolsLlvmSmt SolversSolidity
Reposted 17 Days AgoSaved
In-Office
Colorado
Senior level
Senior level
Artificial Intelligence • Information Technology • Internet of Things • Software • Automation
The Front End Developer will build web applications using React, work with RESTful services, and handle authentication using SAML or JWT while collaborating in an agile environment.
Top Skills: AnsibleAWSDropwizardGitJSONJwtKafkaReactRestful ServicesSAMLSamza
Reposted 17 Days AgoSaved
Remote
Colorado
200K-200K Annually
Senior level
200K-200K Annually
Senior level
Consumer Web • Information Technology • Other • Social Impact • Software • Sports
Design, build, and optimize high-performance TypeScript and React single-page applications, mentor team members, and advocate modern frontend practices while collaborating with cross-functional teams.
Top Skills: ReactReduxRestful ApisTypescriptViteWebpackZustand
18 Days AgoSaved
Remote
Colorado
Mid level
Mid level
Artificial Intelligence • Software
As a Frontend Engineer, you will develop and enhance user experiences for Wordly's translation services, focusing on UI implementation, testing, and API integration.
Top Skills: AngularClaude CodeCursorGithub CopilotJasmineJavaScriptJestReactReact Testing LibraryTypescriptWindsurf
18 Days AgoSaved
Remote or Hybrid
Colorado
200K-250K Annually
Senior level
200K-250K Annually
Senior level
Cloud • Digital Media • Enterprise Web • Marketing Tech • Software
As a Staff Frontend Engineer at ClickUp, you will lead complex frontend implementations, influence technical direction, mentor engineers, and enhance application performance across teams.
Top Skills: AngularCSSHTMLJavaScriptNgrxReactRxjsTypescript
Reposted 23 Days AgoSaved
Remote or Hybrid
Colorado
202K-238K Annually
Senior level
202K-238K Annually
Senior level
Big Data • Fintech • Information Technology • Insurance • Software
Lead the frontend platform's evolution, architect complex UIs, mentor engineers, and drive performance and testing excellence while collaborating with cross-functional teams.
Top Skills: CircleCICypressGraphQLJestNextjsNxPlaywrightReactReact Testing LibraryRemixVitest
19 Days AgoSaved
Remote
Colorado
192K-249K Annually
Senior level
192K-249K Annually
Senior level
eCommerce • Music • Payments • Professional Services • Sharing Economy
The Full Stack Engineer Lead will define frontend standards and practices, write production code, and mentor engineers while ensuring high engineering quality and system scalability.
Top Skills: AngularAWSCi/Cd PipelinesGitJavaScriptReact
Reposted 19 Days AgoSaved
Remote
Colorado
Junior
Junior
Blockchain • Fintech • Software • Financial Services • Cryptocurrency
Build front-end features for Backpack Exchange, optimize performance, and manage projects from start to finish with a focus on React.
Top Skills: React
Reposted 21 Days AgoSaved
Remote
Colorado
Internship
Internship
Fitness • Healthtech • Payments • Software
As a Front-End Developer Intern, you will design and build web applications, collaborate with teams, participate in code reviews, and maintain code quality.
Top Skills: CSSGitHTMLJavaScriptJqueryReactTypescript
Reposted 10 Hours AgoSaved
Remote
Colorado
175K-250K Annually
Senior level
175K-250K Annually
Senior level
Software
Develop crafted, intuitive interfaces, improve UI/UX quality, and collaborate with product teams. Engage with customers for feedback and mentor future engineers.
Top Skills: CSSReactTypescript
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Reposted 10 Hours AgoSaved
Remote or Hybrid
Colorado
160K-210K Annually
Expert/Leader
160K-210K Annually
Expert/Leader
Cloud • Digital Media • Enterprise Web • Marketing Tech • Software
As a Senior Frontend Engineer, you will optimize performance across the platform, analyze client traffic, and implement fixes for performance issues. You'll collaborate across teams, advocate for best practices, and ensure a high-quality user experience.
Top Skills: Node.jsSQL
Reposted 10 Hours AgoSaved
Easy Apply
Remote
Colorado
Easy Apply
Mid level
Mid level
Professional Services
The Frontend Product Engineer will design and implement user interfaces for an AI coaching platform, focusing on building engaging and intuitive features that enhance user experiences while collaborating closely with engineering and design teams.
Top Skills: Material-UiReactRedux Toolkit
Reposted 23 Days AgoSaved
Remote
Colorado
Senior level
Senior level
AdTech • Marketing Tech
Develop and maintain WordPress websites, create custom themes and plugins, ensure cross-browser compatibility, and optimize for SEO. Provide guidance on user experience and explore new technologies.
Top Skills: BootstrapCSS3FoundationGitHTML5JavaJavaScriptJqueryPHPPythonSassWordpress
Reposted 12 Days AgoSaved
Remote
Colorado
Senior level
Senior level
Artificial Intelligence • Big Data • Internet of Things • Software
We are seeking a Senior Frontend Software Engineer to build advanced web applications using JavaScript and ReactJS, collaborating with a team to enhance user experiences.
Top Skills: AjaxCSS3GitHTML5JavaScriptJqueryLessReactReduxRestful ServicesSass
Reposted YesterdaySaved
Remote
Colorado
Senior level
Senior level
Healthtech • Software
The Software Engineer III will design and develop scalable software solutions, resolving technical challenges and ensuring system reliability through collaborative work and proactive problem resolution.
Top Skills: ReactTypescriptViteWebpack
Reposted 24 Days AgoSaved
Remote
Colorado
Senior level
Senior level
Gaming • Software
As a Senior Frontend Engineer, you will develop and maintain the Chess.com platform, troubleshoot issues, and work with design and development teams to enhance user experience.
Top Skills: CSSScssTypescriptVue
24 Days AgoSaved
Easy Apply
Remote
Colorado
Easy Apply
146K-235K Annually
Senior level
146K-235K Annually
Senior level
Information Technology • Software
The Frontend Engineer will enhance software delivery through observability products, drive end-to-end feature development, mentor teammates, and advance engineering standards, leveraging expertise in frontend technologies and collaboration with cross-functional teams.
Top Skills: JavaScriptObservability ToolsReactRestful Apis
Reposted 2 Days AgoSaved
Remote
Colorado
180K-210K Annually
Senior level
180K-210K Annually
Senior level
Artificial Intelligence • Machine Learning • Software • Analytics
Develop user interfaces for web applications, collaborate with teams, mentor engineers, and ensure code quality and performance in a fast-paced environment.
Top Skills: AWSFigmaFluxFramerGCPInvisionReactReduxTypescript
Reposted 2 Days AgoSaved
Remote
Colorado
191K-223K Annually
Senior level
191K-223K Annually
Senior level
Real Estate • Travel • PropTech
As a Senior Frontend Engineer, you will enhance user experiences by building cross-platform solutions, collaborating with product teams, and improving infrastructure and tooling.
Top Skills: GraphQLRest ApisTypescript
Reposted 2 Days AgoSaved
Remote
Colorado
Senior level
Senior level
Blockchain • Software
As a Senior Frontend Engineer, you will contribute to the development of Wormhole's SDK and frontend components while ensuring best practices in secure frontend development.
Top Skills: Typescript
Reposted 2 Days AgoSaved
Remote
Colorado
180K-220K Annually
Senior level
180K-220K Annually
Senior level
Information Technology
Responsible for the development and maintenance of the web application for fraud analysis, primarily focusing on frontend development using React, while collaborating across the tech stack.
Top Skills: AWSDockerGoPostgresPythonReact
Reposted 2 Days AgoSaved
Easy Apply
Remote or Hybrid
Colorado
Easy Apply
150K-175K Annually
Mid level
150K-175K Annually
Mid level
eCommerce • Fashion • Retail • Social Impact • Design
The Software Engineer will architect and advance our frontend e-commerce platform, collaborating across teams and building reusable components and frontend features.
Top Skills: Apollo ClientCSSGraphQLHTMLJavaScriptNext.JsReactShopifyStyled ComponentsTypescript
Reposted 2 Days AgoSaved
Easy Apply
Remote
Colorado
Easy Apply
150K-175K Annually
Expert/Leader
150K-175K Annually
Expert/Leader
Internet of Things
As a Staff Engineer, you will lead complex technical initiatives, improve front-end architecture, mentor engineers, and ensure high-quality user experiences in a collaborative environment.
Top Skills: CSSGitHTML5JavaScriptMercurialReactVue
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