> Markdown version of [/jobs/ext/1133154-senior-java-backend-engineer-333k-yr-ts-sci-fs-poly](https://www.wearedevelopers.com/jobs/ext/1133154-senior-java-backend-engineer-333k-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 Backend Engineer [$333k/yr+] TS/SCI-FS Poly

- **Company:** SYSTOLIC, INC.
- **Location:** Annapolis Junction, MD, United States
- **Experience:** Expert
- **Salary:** $333,000.0
- **Contract:** Permanent contract
- **Skills:** Testing (Software), Java (Programming Language), JavaScript (Programming Language), Algorithm Design, Amazon Web Services, Apache Tomcat, Systems Engineering, Confluence, JIRA, Big Data, Code Reuse, Elasticsearch, Data Flow Control, Integrated Development Environments, Spring Framework, PostgreSQL, Apache Maven, MongoDB, MySQL, Node.Js, Svelte, Software Engineering, Software Systems, SQL Databases, Web Services, Real Time Systems, ReactJS, Backend, Git, AngularJS, Kubernetes, Bug Reporting, Rancher, Kibana, Restful APIs, Docker
- **Published:** July 1, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9005196/senior-java-backend-engineer-333kyr-tssci-fs-poly

## About the Role

* Degree: Technical bachelor's degree or equivalent experience
 * Years of experience: 20+ years
 * Total Compensation: $333k+ yearly

## Description

* Develop and maintain complex software systems.
 * Focus on backend web services and dataflow management.
 * Utilize Java, Javascript, Spring, AWS, Docker, Kubernetes, MongoDB, Elasticsearch, PostgreSQL, and MySQL.
 * Perform software design, testing, requirements analysis, algorithm development, and database engineering.
 * Work with Confluence, Jira, Maven, and Git., * Develop, maintain, and enhance complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements.
 * Review and test software components for adherence to design requirements and document test results.
 * Resolve software problem reports.
 * Utilize software development and software design methodologies appropriate to the development environment.
 * Provide specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.
 * Key Skills: Git, Maven, Apache Tomcat, Docker, Kibana, Kubernetes, Rancher, Algorithm Development, Communications/Technical Writing, Database Engineering, Integration and Test (I&T), Mathematics, Requirements Analysis, Software Development, Software Testing, Systems Engineering, Technical Team Leadership, Dataflow, Web Services, Angular.js, Node.js, React.js, Spring, Svelte, Java, Javascript, SQL, Confluence, JIRA, AWS, Elasticsearch, MongoDB, MySQL, PostgreSQL, Restful Web Services


## Related Videos

- [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94)
- [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray)
- [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of)
- [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)
- [Branch your database like your code:  How schema changes and pull requests go hand in hand](https://www.wearedevelopers.com/videos/350-branch-your-database-like-your-code-how-schema-changes-and-pull-requests-go-hand-in-hand)
- [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews)

## Related Articles

- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [React Developer Salary [2023]](https://www.wearedevelopers.com/magazine/198-react-developer-salary-2023)
- [Backend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/196-backend-developer-salary-in-germany-2023)
- [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london)
- [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023)
- [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)