Principal Software Developer (Java, JavaScript, Docker)
Themis Insight · Fort Meade, MD · United States · On-site
Posted Oct 1, 2026
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Themis Insight solves difficult business, IT, and analytic problems by addressing the whole problem – not just the symptoms – using interdisciplinary approaches that are both practical and innovative. We provide fresh alternatives to ordinary, mainstream consulting firms through small, highly skilled, and hand-picked teams that can meet clients' needs in any industry. Our broad interdisciplinary understanding allows us to provide the right solution, even if it is from outside the industry or traditionally defined problem space. We bring Public and Private, Civilian and Military expertise to every case.
We are hiring a Principal Software Developer (Java, JavaScript, Docker) to work in the Ft. Meade, MD vicinity . Position location is subject to change based on central MD client's needs.
Required: TS/SCI with a Polygraph
Description:
Designs, develops, troubleshoots and analyzes routine, complicated and difficult software programs for computer-based systems. Advises hardware engineers on machine characteristics that affect software systems, such as storage capacity, processing speed and input/output requirements. As required, provides inputs for documentation of new or existing programs.
The Level 3 Software Developer shall possess the following capabilities:
Use object oriented techniques, programming languages, and standard methodologies, including classic development, waterfall, and agile methods (Extreme programming).
Perform deployment, installation, maintenance, quality control monitoring, and implementation of software at Government specified locations.
Maintain processes to log and track customer service requests.
Maintain/develop software products to be used on a variety of platforms.
Uses Configuration Management (CM) tools, such as Subversion/Trac or Git
Codes in eXtensible Mark-up Language (XML)/W3C XML Schema to C++ Compiler (XSD)
Applies middleware technologies, such as enterprise service bus (ESB), CORBA, or Internet Communications Engine (ICE)
Uses Integrated Development Environments (IDEs), such as JBuilder and/or Eclipse
Design, develop, and document system and subsystem-level code. This includes support for system requirements, preliminary design, detailed design and specifications, data dictionaries, interface control/design documents, user help information/manuals, maintenance information/manuals, operations information/manuals, program code, quality assurance activities, and test.
Develop customer requirements and information needs into software specifications that can be implemented
Maintain/modify software code to add new features, correct errors, adapt to new hardware, or to improve system performance.
Integrate with other signal repositories when prioritized by the Government.
Perform system and unit level testing. This includes test plans and procedures, documentation of test results and development of special test code. Plan/conduct regression tests after each code modification,…