Top Front End Developer Jobs in Denver & Boulder, CO

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.

As a Staff Frontend Engineer, you will lead frontend architecture, drive design system evolution, and oversee the migration from legacy to modern frontend while mentoring engineers and delivering AI-native product experiences.

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.

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

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 Salesforce Front-End Developer will collaborate with UI/UX designers to design and deploy Salesforce applications, develop Lightning Web Components, implement best practices, and manage end-to-end technical solutions.

The Senior Staff Frontend Engineer will lead major frontend initiatives, contributing to application architecture, performance, and user experience while collaborating with engineers across the stack.

The Frontend Developer will design, build, and enhance user interfaces, collaborate with project teams, maintain responsive designs, debug issues, and ensure high performance.

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

Lead and architect features for the Risk Cloud platform using Front-End technologies. Collaborate with teams, implement best practices, and ensure high quality through testing and optimization.

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

As a Senior Frontend Engineer, you will lead frontend architecture, collaborate across teams, ensure quality, and mentor contributing engineers while integrating AI features.

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.

Develop and optimize frontend systems for the Purchasing Integrations team using JavaScript frameworks, while ensuring performance and integration within diverse merchant environments.

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 Principal Software Engineer leads the development of high-performance React applications, mentors teams, and drives engineering excellence through innovative practices and technical direction.

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

The Staff Frontend Engineer will lead frontend architecture decisions, design UI elements, write high-quality code, advocate for user experience, and mentor other engineers.

The Frontend Engineer will develop user interfaces utilizing React and other technologies to enhance community knowledge organization and data interaction.

The Front-End Software Engineer will develop high-performance web components, integrate APIs, collaborate with teams, and author documentation for command and control systems.

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.

As a Frontend Engineer, you will lead frontend development using React, ship high-quality user experiences, collaborate with stakeholders, and improve frontend architecture to enhance merchant and consumer interactions.