> Markdown version of [/jobs/ext/4675662-senior-java-software-engineer-288k-yr-ts-sci-fs-poly](https://www.wearedevelopers.com/jobs/ext/4675662-senior-java-software-engineer-288k-yr-ts-sci-fs-poly). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Java Software Engineer [$288k/yr+] TS/SCI-FS Poly - **Company:** SYSTOLIC, INC. - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Salary:** $288,000 - **Contract:** Permanent contract - **Skills:** Testing (Software), Java (Programming Language), Business Analytics Applications, Information Engineering, Spring Framework, Python (Programming Language), MongoDB, Real-Time Operating Systems, Malware, Backend, Git, Kotlin, Bug Reporting, Apache Nifi, Restful APIs, Data Pipelines, Docker, Microservices - **Published:** November 11, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9307578/senior-java-software-engineer-288kyr-tssci-fs-poly ## About the Role * Degree: Technical bachelor's degree or equivalent experience * Years of experience: 14+ years * Total Compensation: $288k+ yearly ## Description * Develop, maintain, and enhance complex software systems, analytics platforms, and novel algorithms * Support critical missions through malware analysis, robust backend engineering, and modern DevOps workflows * Collaborate across engineering teams to design, test, and deploy resilient distributed applications, * Develop, maintain, and enhance processing-intensive analytics and real-time software systems * Implement backend services and RESTful APIs using Java, Kotlin, Spring, and Python * Design, build, and deploy containerized microservices utilizing Docker and Kubernetes * Support data engineering and data pipeline workflows using Apache NiFi and MongoDB * Perform malware analysis, resolve software problem reports, and conduct system-level software testing * Provide engineering inputs on hardware/software trade-offs, COTS/GOTS integration, and requirements synthesis * Manage source code and collaborative version control using Git