Top Senior Front End Developer Jobs in Denver & Boulder, CO

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.

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.

As a Senior Frontend Engineer, you will develop and maintain the Chess.com platform, troubleshoot issues, and work with design and development teams to enhance user experience.

The Frontend Engineer will enhance software delivery through observability products, drive end-to-end feature development, mentor teammates, and advance engineering standards, leveraging expertise in frontend technologies and collaboration with cross-functional teams.

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.

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

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.

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

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 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.

The Senior Frontend Engineer will develop user-friendly and scalable components for a data labeling platform, collaborating with teams and mentoring junior engineers.

As a Lead Front-End Engineer, you'll own UI architecture, mentor team members, manage technical initiatives, and drive AI-powered feature development.

The developer will build and maintain scalable storefront features using Shopify Hydrogen, React, and TypeScript, collaborate with teams, and optimize performance.

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 Data Insights Engineer will design and develop high-quality UI solutions, collaborate with teams, and focus on data visualization and user experience.

As a Senior Frontend Platform Engineer, you'll develop foundational platform capabilities for Calendly's products, focusing on shared frontend architecture, real-time UX infrastructure, and improving developer tooling while collaborating cross-functionally with various teams.

The Senior Frontend Engineer will develop and maintain the frontend of web applications, collaborate with product managers and designers, debug complex issues, and mentor junior developers.

As a Senior Frontend Engineer, you'll build the frontend Graph Semantic Layer with React and TypeScript, developing complex data visualizations and collaborating closely with design and product leadership.

As a Senior Frontend Engineer, you'll develop and optimize user-friendly interfaces for Seek's ML cloud platform using React and TypeScript, collaborate with teams, and enhance performance while ensuring a high-quality user experience.

As a Senior Frontend Engineer, you will build and enhance features on various products using React and TypeScript, collaborating with teams to improve UI and software architecture while ensuring performance across devices and browsers.

Develop and maintain user interface elements, utilize Vaadin, and train team members on front-end development while focusing on customer experience solutions.

Build and maintain TypeScript/React frontends and SDKs for the Nomina web3 platform, create user-facing dapps, improve developer documentation and DX, and collaborate with product and engineering to deliver high-quality, mobile-friendly features.

As a Senior Frontend Engineer, you'll build and maintain a fraud prevention platform UI using ReactJS, collaborating with backend teams and ensuring code quality through tests and CI/CD processes.

The Senior Software Engineer will develop features for Phantom's web platforms, lead new product initiatives, interface with users, and contribute to team culture.