Top Front End Developer Jobs in Denver & Boulder, CO

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

As a Principal Frontend Engineer, you will lead the design, development, and optimization of high-performance React applications while mentoring teams and driving technical direction across the organization.

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 Senior Front-End Engineer will architect financial products, lead design discussions, mentor team members, and ensure high-quality application delivery.

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.

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 Developer, you'll work on core applications and microservices, shaping features and optimizing user experience, while collaborating with the team to improve code quality and reduce technical debt.

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

Lead technical direction for a TypeScript/React application, set standards, design UI patterns, mentor engineers, and drive execution in a mission-sensitive environment.

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

As a Principal Frontend Engineer at ClickUp, you'll lead the design and technical vision of scalable front-end systems using Angular, collaborating across teams and mentoring engineers to enhance performance and coding standards.

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 role involves designing and developing user-friendly, robust React Native applications for a cloud-based platform, focusing on performance and team collaboration.

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 role involves architecting and implementing solutions for a subscription product, mentoring team members, and managing project priorities while focusing on growth metrics and operational health.

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

Develop and maintain web interfaces, validate AI-generated code, provide UI/UX feedback, and follow project guidelines in a remote setting.

The Senior Software Engineer will design secure services to integrate with blockchains, build interfaces for digital currency apps, and collaborate with product teams. Responsibilities include writing well-tested code and enhancing user-facing features in web apps, while supporting a positive team environment.

The Lead Frontend Engineer will develop web desktop applications using React, mentor other engineers, and propose frontend improvements.

The Front End Developer will design, develop, and maintain software solutions, focusing on responsive user interfaces using React and AWS services.

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.