Top Front End Developer Jobs in Denver & Boulder, CO

Build and ship performant, accessible subscription and billing UIs. Implement plan selection, checkout, and billing management features using React/TypeScript, ensuring maintainable, tested, and high-quality front-end code. Collaborate with product, design, and cross-functional teams to improve monetization, conversion, and retention.

Lead architecture and build high-performance React 19 applications using TypeScript and modern patterns. Define design-system-driven components, optimize front-end performance, mentor teams, drive technical direction, and collaborate across product, design, and customers to deliver scalable enterprise UIs.

Develop and implement advanced UI applications for defense intelligence using TypeScript and React, mentoring junior engineers and collaborating with cross-functional teams.

Youtopia Marketplace seeks a Senior Front-End Engineer to develop high-performance UIs using Angular and Ionic for a 6-month contract, focusing on user experience and mobile application engineering.

The Senior Frontend Engineer will architect and develop core services using Angular, collaborating on design and maintenance of web applications, ensuring quality and security standards are met.

The Sr. Software Engineer, Front End will develop 2D and 3D frontend features, drive architectural direction, mentor junior engineers, and address technical debt under high accountability in a complex simulation environment.

Lead front-end development on a cross-functional team building user-focused UI features. Architect scalable, accessible component-based interfaces, ensure testing and quality, mentor engineers, and own features from inception through delivery.

As a Frontend Software Engineer at Coinbase, you'll enhance user identity experiences, collaborate with teams, and build reliable, scalable applications using React and TypeScript.

Develop and maintain mobile infrastructure, enhance developer tools, collaborate on features, implement app release automation, and mentor team members.

Own the frontend experience of the Internal Developer Platform, build and maintain React components, and collaborate with cross-functional teams to enhance internal tools and improve user experience.

Design and enhance frontend systems for user identity interactions at Coinbase, focusing on performance and reliability while collaborating across teams.

Develop and maintain engaging web and mobile applications using Ionic and Angular. Collaborate on front-end requirements and ensure high-quality, maintainable code while mentoring junior engineers.

Develop and maintain responsive web and mobile applications using Ionic and Angular. Collaborate with teams, integrate APIs, and optimize UI components.

The role involves leading the frontend platform's evolution, architecting user interfaces, partnering with backend developers, and overseeing testing standards and CI/CD infrastructure.

Lead the evolution of the frontend platform, design complex user interfaces, provide technical leadership, and optimize CI/CD infrastructure for a scalable experience.

As a Frontend Software Engineer II, you'll develop scalable UI experiences using React and Remix, optimize GraphQL infrastructure, implement tests, and collaborate closely with cross-functional teams.

The Senior Software Engineer will design and implement web applications using React and Typescript, ensuring security and scalability while participating in Agile processes.

Build sophisticated user interfaces for AI and blockchain interactions, including monitoring tools and decentralized application interfaces, while collaborating across teams for seamless user experience.

Seeking a Senior Software Engineer to build consumer-facing applications using React and React Native, influencing the technical roadmap and ensuring high-quality user experiences across platforms.

Develop and deliver high-quality front-end software for freight logistics. Lead design, mentor junior engineers, and enhance customer experiences using modern frameworks.

Senior Front-End Vue Developer focused on building and maintaining Vue.js applications, collaborating with teams, optimizing performance, and mentoring others.

Develop and maintain websites, drive UI/UX, ensure usability and performance, troubleshoot issues, and collaborate with the team.

Design and implement frontend components for the Solidity compiler, optimize performance, develop integration layers, and collaborate with researchers to enhance security features.

Lead the frontend platform's evolution, architect complex UIs, mentor engineers, and drive performance and testing excellence while collaborating with cross-functional teams.

Develop innovative UI and web systems, managing project priorities and deadlines while working within a collaborative team environment.