Java Software Engineers (Active TS / SCI Required)

We are seeking a TS / SCI Cleared Java Software Engineers to support a mission-critical government program located in Southern Denver, Colorado. This team have multiple openings of varying level and years of experience ; all BACKEND-FOCUSED.This role is fully onsite, 5 days per week, working alongside a highly collaborative team of software engineers, QA professionals, and systems integrators in a secure environment. The ideal candidates will bring strong experience designing and executing automated test frameworks to validate complex, integrated systems. You will play a key role in ensuring software quality across UI, API, and backend services, with a focus on scalability, reliability, and performance in support of real-world operational missions. This is an opportunity to contribute directly to cutting-edge defense technology while working in a fast-paced, highly impactful program.Candidates must hold an active TS / SCI security clearance and be comfortable operating in a fully classified, onsite setting. This is on a program that recently kicked off and expected to go through 2032.