Secret Front-End Application Developer

Senior Application Developer Insight Global is seeking a Senior Application Developer for a leading federal technology program supporting a mission-critical Department of Justice initiative. This role is heavily focused on front-end development, with approximately 70% of the work dedicated to building modern user interfaces using Angular and/or React, while the remaining 30% supports backend integration efforts utilizing Java, Spring Boot, and web services. The ideal candidate will serve as a technical leader for UI modernization efforts, helping transform legacy applications into modern, scalable solutions while mentoring teammates and driving best practices. This position offers the opportunity to work on a long-term federal program, collaborate directly with government stakeholders, and contribute to secure, enterprise-scale applications operating within a classified environment. Responsibilities include: Lead UI development and front-end modernization initiatives Develop and maintain secure, scalable applications supporting federal mission requirements Build responsive user interfaces using Angular or React Integrate front-end applications with Java/Spring Boot middleware and backend services Consume and develop RESTful APIs and web services Collaborate with architects, cybersecurity teams, and government stakeholders Participate in Agile ceremonies including sprint planning and technical reviews Refactor legacy applications into modern, containerized solutions Conduct unit and integration testing Support CI/CD deployments and troubleshooting efforts Resolve production and integration issues Mentor junior developers and share best practices across the team Insight Global