Systems Software Developer

Senior • On-site

Chantilly, VA

Closure Technologies is seeking a Systems Software Developer who will leverage their development skills and experience to support the successful ingestion, cleansing, transformation, loading, and display of significant amounts of data, with a particular focus on Cloud data

Clearance Requirement: TS/SCI with Polygraph

Key Responsibilities:

Designing and implementing large-scale ingest systems in a Big Data environment
Optimizing all stages of the data lifecycle, from initial planning, to ingest, through final display and beyond
Designing and implementing data extraction, cleansing, transformation, loading, and replication/distribution
Developing custom solutions/code to ingest and exploit new and existing data sources
Developing data profiling, deduping logic, and matching logic for analysis
Organizing and maintaining data layer documentation, so others are able to understand and use it
Collaborating with teammates, other service providers, vendors, and users to develop new and more efficient methods
Effectively articulating the risks and constraints associated with software solutions, based on environment

Required Qualifications:

Strong software development experience, to include significant Java development, data analysis/parsing, and SQL/database experience
Strong experience with the full data lifecycle, from ingest through display, in a Big Data environment
Strong experience with Java-related technologies, such as JDK, J2EE, EJB, JDBC, and/or Spring, and experience with RESTful APIs
Experience developing and performing ETL tasks in Linux and/or Cloud environments

Preferred Qualifications:

Experience with Hadoop, Hbase, MapReduce
Experience with Elasticsearch
Experience working in a mission environment and/or with many different types of data

Closure Technologies

Closure Technologies is a government-focused technology company based in the United States, supporting high-visibility and complex applications within classified or sensitive environments. Operating in the technology and digital services sector, the company specializes in user experience strategy, design systems, and secure application development for government clients. Its work reflects a strong emphasis on security, compliance, accessibility, and ethical practices, particularly in environments requiring high-level security clearances. Closure Technologies collaborates closely with cross-functional teams to deliver standardized, research-driven, and user-centered digital solutions, demonstrating a commitment to quality, consistency, and mission-focused outcomes in the public sector.

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