Java Full Stack Developer - TS/SCI w/Poly

Company: Cohere Technology Group LLC
Location: Chantilly
Posted on: February 19, 2026

Job Description:

Job Description Job Description Java Full Stack Developer Job Location: Chantilly, VA (On-site 100%) Active TS/SCI security clearance. Need to have Current CI Poly or consent to Poly at a briefing. Job Description: Cohere is looking for a self-starting, team-oriented Mid-to-Senior Software Engineer to join our dynamic development team in supporting a Government customer. The team is building a large-scale enterprise application using web technologies, distributed computation and storage frameworks, and sophisticated, cutting-edge domain analytics, with the system hosted on virtualized and cloud-computing platforms. The successful candidate will have the ability to work both independently with little supervision as well as engage with a team to achieve overall project objectives. Essential Functions: The Java Full Stack Developer participates in a development team that uses agile methodologies combined with mature software practices and a technology-supported development infrastructure. The Java Full Stack Developer will execute full lifecycle agile workflow including daily SCRUMs, story grooming and bidding, and sprint execution. The Java Full Stack Developer will develop software and extend the software baseline to implement new capabilities and to mature existing capabilities using key enabling technologies and frameworks. The Java Full Stack Developer will help maintain the deployed system, diagnose and resolve issues, and provide support to end-users as needed. The Java Full Stack Developer will provide technical and methodological guidance to the team, while helping steer the team to be self-reliant and highly effective at meeting project objectives. The ideal candidate will have outstanding technical talent; have the desire to continuously learn and apply new skills and technologies; and be eager to take on hard problems and develop successful solutions to achieve the overall mission. Backend: Database – PostgreSQL or any SQL (Experience with PostgreSQL or similar Relational Database Management System (RDBMS) Web app server Familiar (Experience preferred) with open source web application server such as Apache HTTP, Tomcat Middle tier – messaging systems Experience using the following: Kafka – or any Java-based message broker Active MQ – product we are using that is java based message broker or similiar Experience in development and usage with RESTful web services Frontend: Experience with development using Angular 3 front-end web application platform or similar web framework Qualifications: B.S. degree Computer Science, Systems Engineering, Information Systems, Computer Engineering, or a related discipline and 12 years of experience or Master's degree and 10 years of experience. 6 plus years' experience with Java development with some experience in Relational Database Management. 6 Years' Experience with Angular 3 front-end web application platform and PrimeNG UI components or similar web framework. Experience with middle tier messaging systems, Kafka, Active MQ or similiar and development and usage with RESTful web services Active TS/SCI security clearance. Need to have Current CI Poly or consent to Poly at a briefing. Preferred Qualifications: 4 years' experience working on a program following SAFe Methodology. Compensation: Cohere knows that our employees are our most valuable assets. Cohere offers competitive pay, commensurate with experience, labor categories, and current market demands. FULLY PAID health care premiums for medical with PPO and HSA options FULLY PAID dental, vision, and life insurance Earn 240 hours PTO / year (30 days, accrued at 20 hours/month) 401k plan with matching employer contributions and profit sharing Extremely lucrative referral programs Monthly billable incentive rewards Yearly training allowance for self-development Flexible schedules About Cohere: Cohere was founded in 2015 by seasoned intelligence community engineers to unify and streamline both cyber and kinetic workflows for the Intelligence Community and the Department of Defense. We are looking for candidates to join our team as we grow our cyber development department. This is an opportunity to join a close-knit team of engineers who are passionate about learning from each other and developing next-generation capabilities supporting our stakeholders’ operations. Your work will contribute directly to securing the infrastructure from malicious cyber actors. We invest in our people, offering tailored training and mentorship as we grow our engineers. We believe that providing opportunities to learn fuels individual and organizational success. At Cohere, not only will you take your technical skills to the next level, but if desired, you can learn the processes and skills necessary to launch your own company too. We offer mentoring opportunities to learn from experienced leaders on creating and growing your own contracting business. If you have a background in coding and computer security and want to take your career to the next level, with the ability to learn from senior engineers invested in your success, apply today! Powered by JazzHR xNCMbA9tEo

Keywords: Cohere Technology Group LLC, Potomac , Java Full Stack Developer - TS/SCI w/Poly, IT / Software / Systems , Chantilly, Maryland