> Markdown version of [/jobs/ext/3539255-senior-java-software-engineer-273k-yr-ts-sci-fs-poly](https://www.wearedevelopers.com/jobs/ext/3539255-senior-java-software-engineer-273k-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 [$273k/yr+] TS/SCI-FS Poly - **Company:** SYSTOLIC, INC. - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Salary:** $273,000.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Java (Programming Language), Systems Engineering, Software Bug Management, Software Debugging, Python (Programming Language), MongoDB, MySQL, NoSQL, Service-Oriented Architecture, Software Engineering, Gitlab, Containerization, Atlassian Tools, 3-tier Architectures, Docker - **Published:** September 30, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9204635/senior-java-software-engineer-273kyr-tssci-fs-poly ## About the Role * Degree: Technical bachelor's degree or equivalent experience * Years of experience: 14+ years * Total Compensation: $273k+ yearly ## Description * Develop and implement software enhancements predominantly using Java within an agile engineering environment. * Architect and deploy service-oriented and microservice solutions integrating MongoDB, MySQL, and Python. * Collaborate with cross-functional teams to analyze requirements, derive user stories, and execute integration and testing., * Perform enterprise software development primarily in Java to create and implement enhancements to existing capabilities. * Design, develop, and maintain service-oriented architectures and microservice solutions. * Collaborate with software and systems engineers in an agile environment using Jira and Confluence to analyze requirements and define user stories. * Integrate and query relational and NoSQL databases, including MySQL and MongoDB. * Develop software components and scripts utilizing Python. * Perform integration, software testing, and debugging on integrated applications. * Provide Tier 2 and Tier 3 technical support and bug fixes for deployed capabilities. * Utilize containerization tools such as Docker and Kubernetes, and manage code repositories via GitLab.