> Markdown version of [/jobs/ext/3041175-senior-java-software-engineer-338k-yr-ts-sci-fs-poly](https://www.wearedevelopers.com/jobs/ext/3041175-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), Big Data, Software Quality, Data Cleansing, Data Visualization, Database Queries, Distributed Computing Environment, Apache Hadoop, MapReduce, JSON, Python (Programming Language), Machine Learning, Software Architecture, Software Engineering, Unstructured Data, Extensible Markup Language (XML), Apache Spark, Apache Nifi, Data Management - **Published:** September 23, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9187327/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 * Lead software development teams delivering robust web-based applications that automate end-to-end data management workflows. * Devise advanced strategies to extract meaning, patterns, and insights from structured and unstructured data repositories. * Architect and deploy high-volume dataflows utilizing Java, Apache NiFi, and scalable big data processing technologies. * Implement statistical methodologies and machine learning models using Python and Scala to advance automated data characterization., * Serve as technical lead across multiple software engineering teams, directing implementation, development processes, and architectural decisions. * Develop and ingest complex dataflows using Java, Apache NiFi, and distributed processing frameworks including Apache Spark, Hadoop, MapReduce, and Pig. * Leverage statistical analysis, predictive analytics, and machine learning to analyze entity behaviors and characterize metadata. * Work with structured formats such as XML, CSV, and JSON to support data enrichment, schema development, and database queries. * Ensure rigorous software quality control, monitor development performance, and delegate implementation and testing tasks. * Utilize modern query and data visualization tools to translate complex datasets into actionable analytical insights. * Active TS/SCI with Polygraph clearance required. ## Related Videos - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [Serverless: Past, Present and Future](https://www.wearedevelopers.com/videos/34-serverless-past-present-and-future) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [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) - [PySpark - Combining Machine Learning & Big Data](https://www.wearedevelopers.com/videos/44-pyspark-combining-machine-learning-big-data) - [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [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) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies in Europe](https://www.wearedevelopers.com/magazine/162-highest-paying-tech-companies-in-europe)