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.

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.

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.

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 architecture and implementation of a new frontend platform, define org-wide frontend best practices, mentor engineers, collaborate with product/design/backend, operationalize tools and CI/CD, drive cross-team initiatives, and ensure high-performance, maintainable, and accessible frontend systems.

The Senior Frontend Engineer will enhance core libraries, improve developer experience, and collaborate across teams to deliver platform capabilities that enhance user experience.

Lead architecture and development of front-end features for the Risk Cloud platform using Angular and TypeScript. Write and review tests and code, collaborate with product, design, QA, and engineering teams using Agile practices, and optimize the front-end for speed, reliability, and scalability while promoting testing-first and iterative delivery.

As a Front-End Engineer, you will build and refine user-facing components, ensuring responsiveness, performance, and user experience through collaboration with UI/UX and backend teams.

The role involves migrating content from AEM to Shopify and Sanity, developing reusable components, and ensuring content integrity and SEO throughout the process.

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.

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

As a Frontend Engineer, you'll develop and maintain frontend features, collaborate cross-functionally, and implement best practices in a dynamic coding environment.

Seeking a skilled Front-End React Developer with 3-5 years of experience to develop responsive web applications, optimize performance, and collaborate in an agile environment.

As a Front End Engineer, you'll build and improve web applications using modern technologies, collaborate on UI design, and utilize AI-driven tools for efficient development.

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.

As a Senior Frontend Engineer, you will build and enhance features for a high-performance observability platform, focusing on user experience and community engagement.

Build and optimize a responsive Vue.js frontend for a customer-service SaaS, collaborate with product and dev teams, handle production support, participate in Agile ceremonies, perform code reviews, and mentor junior developers.

Own front-end development of web applications using React and TypeScript. Build reusable components, collaborate with design/backend/AI teams, integrate APIs, optimize performance and accessibility, and iterate via A/B testing and analytics.

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.

As a Front-End Developer, you'll deliver user-friendly applications by developing responsive front-end applications, collaborating with teams, and ensuring code quality through testing and best practices.

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