Top Front End Developer Jobs in Denver & Boulder, CO

The Frontend Engineer II will design and implement front-end experiences for eCommerce applications, collaborate with product management, and write tests to ensure code quality.

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

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.

Lead architecture and build high-performance React 19 applications using TypeScript and modern patterns. Define design-system-driven components, optimize front-end performance, mentor teams, drive technical direction, and collaborate across product, design, and customers to deliver scalable enterprise UIs.

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

Contribute to the development of web-based frontend space ground system software, collaborating with teams and ensuring code quality through testing and reviews.

As a Staff Engineer in the Prime UI Platform Team, you'll design core systems for frontend experiences, focusing on reliability and performance. You'll lead architecture decisions, develop APIs, optimize data streams, and enhance developer tools while collaborating with frontend engineers and product teams.

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 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 Staff Frontend Engineer will enhance Airbnb's search product, focusing on scalable solutions and architectural improvements while mentoring team members.

The Front-End Software Engineer will develop and deliver software solutions, focusing on web-based command-and-control systems and training capabilities for defense applications.

The Product Frontend Engineer will design and build AI-driven applications, collaborate with teams, and ensure code quality and performance.

The Senior AEM Front-End Developer designs and builds scalable front-end solutions within Adobe Experience Manager, focusing on reusable UI components and collaborating with various teams to ensure high-quality user interfaces.

Lead the frontend technical direction for spacecraft modeling and simulation software, driving strategic initiatives, mentoring engineers, and shaping product direction.

Lead frontend architecture for menu management workflows, developing scalable UI, collaborating with teams, and mentoring engineers while ensuring system reliability.

As a Senior Frontend Engineer at Zapier, you'll design and develop complex UIs, lead feature delivery, and integrate AI into products while collaborating with cross-functional teams.

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

Architect and implement solutions for subscription products, manage projects, mentor engineers, and ensure product health and operational excellence.

The Product Frontend Engineer will design and build scalable applications, collaborate with teams, and enhance frontend quality using AI tools.

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

Develop and integrate front-end components for online GIS applications, ensuring effective user experiences while collaborating with cross-functional teams to meet national security needs.

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.

Build and own interactive frontend features using React and TypeScript, partner with design and backend/AI teams, write testable code, improve frontend architecture, and contribute to shared components and best practices.

As a Lead Frontend Engineer, you will shape the frontend architecture, lead a team of engineers, and ensure high standards of quality and speed for an AI-driven product.

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.