> Markdown version of [/jobs/ext/3925443-senior-java-software-engineer-288k-yr-ts-sci-fs-poly](https://www.wearedevelopers.com/jobs/ext/3925443-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:** $288,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, Code Review, Databases, Data Security, Relational Databases, Software Debugging, PostgreSQL, MariaDB, Operational Data Store, Oracle (Applications), Software Architecture, Software Requirements Analysis, Software Systems, Delivery Pipeline, Spring-boot, Containerization, AngularJS, Gitlab-ci, Kubernetes, Atlassian Tools, Restful APIs, Docker - **Published:** October 26, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9251145/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 and modernize mission-critical enterprise data processing applications utilizing Java, Spring Boot, Angular, and RESTful APIs. * Containerize and deploy services to Kubernetes environments while modernizing legacy software architecture. * Manage and optimize relational database operations across MariaDB, Oracle, and PostgreSQL platforms. * Implement and maintain automated build, test, and deployment pipelines using GitLab CI/CD within an Agile team., * Analyze user and system requirements to drive the technical design, implementation, and modernization of software solutions. * Develop, test, debug, and maintain full-stack applications using Java, Spring Boot, and Angular. * Design, develop, and integrate RESTful APIs and microservice components processing large volumes of operational data. * Develop and optimize queries, data access components, and database interactions across MariaDB, PostgreSQL, and Oracle. * Support application containerization using Docker or Podman and manage deployments across Kubernetes clusters. * Build and maintain unit, integration, and automated test suites alongside GitLab CI/CD delivery pipelines. * Collaborate with cross-functional Agile teams, participate in code reviews, and maintain technical documentation in Jira and Confluence.