Top Front End Developer Jobs in Denver & Boulder, CO

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.

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.

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

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

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.

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

Lead frontend architecture for menu management, design scalable UI patterns, collaborate with teams for UI solutions, and mentor peer engineers.

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

Lead frontend architecture for menu management workflows, developing scalable UI, collaborating with teams, and mentoring engineers while ensuring system reliability.

Lead front-end technical strategy for Coinbase Advanced trading platform: define and execute a scalable roadmap, deliver a low-latency interface across web and mobile, mentor engineers, anchor complex projects, and ensure high standards for code quality and system design.

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

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

The Product Frontend Engineer will design and build AI-driven applications, collaborate with teams, and ensure code quality and performance.

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.

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.

As a Frontend Engineer, you will develop and enhance user experiences for Wordly's translation services, focusing on UI implementation, testing, and API integration.

Lead the design, implementation, and maintenance of scalable frontend solutions, mentoring junior developers, and optimizing performance and reliability of platform components.

As a Staff Frontend Engineer at ClickUp, you will lead complex frontend implementations, influence technical direction, mentor engineers, and enhance application performance across teams.

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

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.

The Product Frontend Engineer will design and build scalable applications, collaborate with teams, and enhance frontend quality using AI tools.

Build front-end features for Backpack Exchange, optimize performance, and manage projects from start to finish with a focus on React.

As a Front-End Engineer at WhatConverts, you'll develop and optimize web pages, collaborate with UX designers, and maintain the user interface for the Marketing site, focusing on user experience and performance.

As a Mid-Level Frontend Engineer, you will develop user interfaces, collaborate with engineers, implement data visualizations, and ensure high-performance user experiences using React and Next.js.

As a Front-End Developer Intern, you will design and build web applications, collaborate with teams, participate in code reviews, and maintain code quality.