Top Front End Developer Jobs in Denver & Boulder, CO

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

Lead the frontend platform's evolution, architect complex UIs, mentor engineers, and drive performance and testing excellence while collaborating with cross-functional teams.

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.

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.

As a Front-End Engineer at WhatConverts, you'll develop and optimize web pages, collaborate with UX designers, and maintain the user interface for the Marketing site, focusing on user experience and performance.

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

Lead frontend projects, collaborate with teams, simplify tech stack, ensure monitoring systems, and maintain user-friendly interfaces.

As a Frontend Developer, you will develop complex web applications, refactor legacy code, and collaborate on UI/UX while integrating APIs and maintaining component libraries.

As a Staff Frontend Engineer, you will develop the Aerospike Cloud Platform, optimize front-end services, and mentor other developers while ensuring quality code and performance.

We are seeking a Senior Frontend Software Engineer to build advanced web applications using JavaScript and ReactJS, collaborating with a team to enhance user experiences.

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.

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 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.

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

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.

Develop and maintain high-performance, scalable full-stack products for merchant storefront experiences. Engage in rapid iterative design and development, conduct code reviews, and ensure adherence to engineering standards.

Join an AI-driven research project as a Frontend Developer, designing and building user-friendly web applications using modern JavaScript frameworks and strong UI/UX principles.

The Senior Software Engineer will enhance user experiences in crypto wallets, focusing on collaboration, performance, and delivering quality products.

As a Front-End Engineer, you'll create intuitive UIs for AI tools, collaborating with design and backend teams, focusing on performance and user experience.

Design, develop, and maintain web applications using modern technologies. Write tests, troubleshoot, participate in code reviews, and collaborate with designers. Requires 5+ years of experience with React.js and 3+ with TypeScript.