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.

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

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

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.

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.

As a Frontend Engineer at UpDoc, you will develop and maintain patient and provider applications using SvelteKit and TypeScript, ensuring reliable data flows and user accessibility.

As a Staff Front End Engineer, you will lead the front end vision, drive architecture decisions, and mentor engineers while developing high-impact web applications in a collaborative environment.

As a Staff Frontend Engineer, you will enhance Airbnb's client tech stack by empowering product teams, optimizing infrastructure, and mentoring engineers.

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.

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

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.