Top Front End Developer Jobs in Denver & Boulder, CO

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

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.

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.

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.

The Software Engineer (Frontend) at Metabase will develop user-friendly data tools, leveraging React and CSS while ensuring optimal communication and coding practices.

Lead technical direction and contribute to the frontend codebase, building user-facing tools and mentoring team engineers to enhance user experiences.

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

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

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

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

The Senior Frontend Engineer will implement and launch features for Slush Wallet, update frontend architecture, and collaborate with design and product teams.

Lead development of complex React applications, maintain reusable component libraries, optimize frontend performance and accessibility, translate Figma designs into responsive UI, collaborate on API design (Node/Python), use analytics to improve user journeys, and champion AI-augmented development workflows.

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

Own the frontend architecture for the member-facing product, ensuring high-quality interfaces, performance, and innovative AI integration.

Build intuitive interfaces for construction workflows using React and TypeScript, optimizing performance and creating data-rich dashboards.

The role involves designing, developing, and maintaining scalable web applications, with a focus on UI, testing, and collaboration. It requires strong front-end skills and familiarity with back-end integration.

As a Senior Frontend Engineer, you will lead frontend development, mentor team members, design scalable architecture, and enhance UI quality using AI tools.

Responsible for leading the architecture and development of scalable web applications, optimizing performance, and mentoring junior developers.

Develop crafted, intuitive interfaces, improve UI/UX quality, and collaborate with product teams. Engage with customers for feedback and mentor future engineers.