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.

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

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.

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

The Principal Software Engineer will lead front-end development using React, mentor teams, and oversee high-performance web applications in a collaborative environment.

Build and ship geospatial web applications as a Senior Front-End Engineer, focusing on interactive UI features in a TypeScript/React environment.

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.

As a Frontend Engineer at Files.com, you'll develop robust features using React and TypeScript, architect scalable systems, and collaborate across teams to improve usability for enterprise customers.

The Front-End Developer will create and maintain web applications using HTML, CSS, and JavaScript, focusing on automation and software delivery processes.

The Frontend Engineer will design and maintain backend systems for growth initiatives, focusing on A/B testing frameworks, microservices, and performance metrics, while collaborating cross-functionally.

Lead the development of front-end architecture for spacecraft modeling software, drive cross-functional initiatives, mentor engineers, and influence product strategy.

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

As a Frontend Engineer, you will develop and maintain Outlive's web experience, focusing on usability and integrating payment systems, while ensuring high-quality standards in design and engineering practices.

As a Mobile Frontend Engineer at Outlive, you will develop and maintain a React Native application for iOS and Android, implement user experiences, integrate APIs, and ensure accessibility while collaborating closely with product, design, and backend teams.

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.

Lead a team to develop user interfaces for mission-critical solutions. Responsibilities include code contributions, guidance, task assignments, and maintaining CI/CD pipelines.

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.

As an Intermediate Front End Engineer, you'll collaborate with designers and engineers to develop user-focused features, maintain core products, and ensure code quality and security.

Lead frontend engineering at ClickUp by driving technical architecture strategy, solving complex challenges, mentoring engineers, and ensuring high-quality systems while collaborating across teams.

The Staff Frontend Engineer will lead frontend system development, architect scalable solutions, mentor engineers, and drive best practices while collaborating cross-functionally.

The role involves designing and building internal web applications for Nebius, focusing on automating data center operations and developing user interfaces for infrastructure management.

The Frontend Engineer will collaborate with design and product teams to create responsive user interfaces, write maintainable code, and optimize performance for a financial platform.

The Frontend Engineer will focus on improving product accessibility based on audit findings, enhancing coding standards, and ensuring WCAG compliance.

The role involves developing high-quality front-end software for freight logistics, mentoring junior engineers, and collaborating on customer experience projects using advanced frameworks.

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