> Markdown version of [/jobs/ext/1389128-senior-java-software-engineer-329k-yr-ts-sci-fs-poly](https://www.wearedevelopers.com/jobs/ext/1389128-senior-java-software-engineer-329k-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 [$329k/yr+] TS/SCI-FS Poly - **Company:** SYSTOLIC, INC. - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Salary:** $329,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Extract Transform Load (ETL), Elasticsearch, Electronic Data Capture, PostgreSQL, Software Engineering, Software Requirements Analysis, SQL Databases, Data Management - **Published:** July 22, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9045915/senior-java-software-engineer-329kyr-tssci-fs-poly ## About the Role * Degree: Technical bachelor's degree or equivalent experience * Years of experience: 20+ years * Total Compensation: $329k+ yearly ## Description * Develop web-based data management applications using Java. * Design and implement complex algorithms for data movement and integration. * Utilize Agile methodologies for software development and requirements analysis. * Perform database engineering tasks including SQL query creation and PostgreSQL management., * Support a suite of web-based applications automating data management and movement. * Facilitate information capture and approvals for compliant data movement. * Standardize and simplify data movement, reuse, and integration with downstream tools. * Develop software using Java within an Agile environment. * Design and implement complex algorithms adhering to strict timing and resource constraints. * Perform quality control on team products and implement improvements for documentation and development standards. * Collaborate with system and hardware engineers to derive software requirements. * Coordinate software system installation and monitor equipment functions. * Utilize experience with DBA development, SQL, PostgreSQL, and ElasticSearch aggregations. * Active TS/SCI clearance with polygraph required. ## Related Videos - [Optimizing Discovery: PostgreSQL's Role in Transforming GetYourGuide's Search](https://www.wearedevelopers.com/videos/1647-optimizing-discovery-postgresql-s-role-in-transforming-getyourguide-s-search) - [Add Location-based Searching to Site with ElasticSearch](https://www.wearedevelopers.com/videos/77-add-location-based-searching-to-site-with-elasticsearch) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1146-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) - [Grappling With Clunky Old Software? Start by Understanding What’s Inside!](https://www.wearedevelopers.com/videos/1189-grappling-with-clunky-old-software-start-by-understanding-what-s-inside) - [Tracking vehicles at scale](https://www.wearedevelopers.com/videos/1999-tracking-vehicles-at-scale) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1520-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [How Much Does a Software Engineer Make? Realistic Software Engineering Salaries](https://www.wearedevelopers.com/magazine/425-how-much-does-a-software-engineer-make-realistic-software-engineering-salaries) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Fullstack developer salary in Germany [2023]](https://www.wearedevelopers.com/magazine/197-fullstack-developer-salary-in-germany-2023)