Find & Apply For Web Developer Jobs in Longmont, Colorado

Job Description We are seeking a Senior Front-End Developer with 5-7 years of experience to lead the design and development of scalable, high-performance web applications. In this role, you will own front-end architecture decisions and build modern, responsive user interfaces using React, JavaScript/TypeScript, HTML5, and CSS3. You will collaborate closely with UX designers, backend developers, and QA teams to transform product requirements into intuitive, accessible, and production-ready experiences. The ideal candidate has deep expertise in component-based architecture, state management, performance optimization, API integrations, and frontend testing best practices. As a senior team member, you will conduct code reviews, mentor developers, establish engineering standards, and contribute to technical documentation and architecture planning. Experience building real-time or mission-critical applications, working with CI/CD pipelines, and leveraging AI-assisted development tools such as GitHub Copilot is highly preferred. This role is looking to pay 60-65/hr while on contract as well as benefits and access to a 40k are provided. We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.

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• 5-7 years of professional front-end development experience
• Expert-level proficiency in React and modern JavaScript/TypeScript
• Strong understanding of HTML5, CSS3, and responsive/accessible design
• Experience with state management, component architecture, and performance optimization
• Familiarity with REST APIs and real-time data (WebSockets or similar)
• Familiarity with design systems and reusable component libraries Experience with frontend testing tools and practices