> Markdown version of [/jobs/ext/3053965-senior-java-software-engineer-338k-yr-ts-sci-fs-poly](https://www.wearedevelopers.com/jobs/ext/3053965-senior-java-software-engineer-338k-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 [$338k/yr+] TS/SCI-FS Poly - **Company:** SYSTOLIC, INC. - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Salary:** $338,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Software Documentation, Extract Transform Load (ETL), Database Queries, Elasticsearch, PostgreSQL, Software Requirements Analysis, SQL Databases, Primefaces, Data Management - **Published:** September 24, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9187312/senior-java-software-engineer-338kyr-tssci-fs-poly ## About the Role * Degree: Technical bachelor's degree or equivalent experience * Years of experience: 20+ years * Total Compensation: $338k+ yearly (tentative) ## Description * Develop and maintain web-based applications that automate data management and ensure compliant data movement. * Design and implement complex algorithms adhering to strict system constraints and performance requirements. * Collaborate within an Agile software development team utilizing modern Java technologies and data management tools., * Develop, maintain, and enhance web-based applications using Java, Quarkus, and PrimeFaces. * Design and implement complex algorithms adhering to strict timing, system resource, and interface constraints. * Create and optimize database queries and aggregations utilizing SQL, PostgreSQL, and Elasticsearch. * Confer with system and hardware engineers to derive software requirements and establish system performance baselines. * Coordinate software system installations and monitor equipment functions to verify operational specifications. * Implement process improvements and maintain high documentation standards within an Agile development framework.