> Markdown version of [/jobs/ext/3779253-mid-level-java-software-engineer-259k-yr-ts-sci-fs-poly](https://www.wearedevelopers.com/jobs/ext/3779253-mid-level-java-software-engineer-259k-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). --- # Mid-Level Java Software Engineer [$259k/yr+] TS/SCI-FS Poly - **Company:** SYSTOLIC, INC. - **Location:** Annapolis Junction, MD, United States - **Experience:** Experienced - **Salary:** $259,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Software Applications, Bash Shell, Configuration Management, Linux, Spring Framework, Python (Programming Language), PostgreSQL, Linux System Administration, MongoDB, Ansible, Data Streaming, Enterprise Software Applications, Kubernetes Helm Charts, Backend, Gitlab, Git, Kubernetes, Atlassian Tools, Apache Kafka, Non-relational Database, Atlassian Bamboo, Docker, Microservices - **Published:** October 16, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9245446/mid-level-java-software-engineer-259kyr-tssci-fs-poly ## About the Role * Degree: Technical bachelor's degree or equivalent experience * Years of experience: 7+ years * Total Compensation: $259k+ yearly ## Description * Develop, sustain, and troubleshoot mission-critical software suites and backend applications. * Implement robust services utilizing Java, the Spring Framework, and modern scripting tools. * Integrate and maintain COTS and FOSS software packages, libraries, and microservices across Linux environments., * Design, develop, test, and sustain software applications utilizing Java and the Spring Framework. * Write automation and utility scripts using Bash and Python within Linux operating environments. * Interface with relational and non-relational databases, including PostgreSQL and MongoDB. * Package and deploy containerized microservices utilizing Docker, Kubernetes, and Helm charts. * Maintain and optimize CI/CD pipelines and automated configuration management using GitLab, Bamboo, Ansible, and Git. * Integrate streaming data platforms such as Apache Kafka and collaborate using JIRA and Confluence.