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Senior Software Developer III

T-Rex Solutions, LLC
Fort Meade, MD Full Time
POSTED ON 8/5/2025 CLOSED ON 9/3/2025

What are the responsibilities and job description for the Senior Software Developer III position at T-Rex Solutions, LLC?

T-Rex is looking for a talented Senior Software Developer III to work on a program in the Annapolis Junction area in support of the Intelligence Community.

Responsibilities:

  • Lead a team to design, develop, and test application software to fulfill unique requirements on Windows, Unix, or other specified platforms.
  • Build applications using a specified programming language
  • Build graphical user interfaces (GUIs) for custom applications.
  • Respond to evolving requirements in an agile environment.
  • Experience implementing software life cycle management (requirements, design, develop, test, validate, deploy)
  • Windows (1 FTE): C/C , C#, COM, knowledge of Windows Internals/APIs, Wireshark, IDA Pro and/or Ghidra, CNE development experience is preferred

Requirements:

  • Minimum eight (8) years' experience programming with object-oriented programming languages
  • Minimum five (5) years experience developing Windows applications using Visual Studio or .NET environments OR minimum five (5) years experience developing Unix applications using make files or comparable build environment.
  • Experience developing complex programs using C, C#, C , Java, or other comparable languages.
  • . Minimum three (3) years leading projects that develop complex software, ensuring a collaborative environment, and configuration management.
  • Active and transferable U.S. government issued TS/SCI with FSP security clearance is required.

T-Rex Overview

Established in 1999, T-Rex Solutions, LLC is a proven mid-tier business providing data-centric mission services to the Federal government as it increasingly tries to secure and leverage the power of data. We design, integrate, secure, and deploy advanced technical solutions for our customers so they can efficiently fulfill their critical objectives. T-Rex offers both IT and professional services to numerous Federal agencies and is a leader in providing high quality and innovative solutions in the areas of Cloud and Infrastructure Services, Cyber Security, and Big Data Engineering.

T-Rex is constantly seeking qualified people to join our growing team. We have built a broad client base through our devotion to delivering quality products and customer service, and to do that we need quality individuals. But more than that, we at T-Rex are committed to creating a culture that supports the development of every employee's personal and professional lives. T-Rex has made a commitment to maintain the status of an industry leader in compensation packages and benefits which includes competitive salaries, performance bonuses, training and educational reimbursement, Transamerica 401(k) and Cigna healthcare benefits.

T-Rex is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, religion, color, sex (including pregnancy and sexual orientation), parental status, national origin, age, disability, family medical history or genetic information, political affiliation, military service, or other non-merit based factors.

In compliance with pay transparency guidelines, the annual base salary range for this position is $200,000 - $250,000. Please note that the salary information is a general guideline only. T-Rex considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/training, key skills, internal peer equity, as well as market and business considerations when extending an offer.

T-Rex offers a diverse and collaborative work environment, exciting opportunities for professional growth, and generous benefits, including: PTO available to use immediately upon joining (prorated based on start date), paid parental leave, individual and family health, vision, and dental benefits, annual budget for training, professional development and tuition reimbursement, and a 401(k) plan with company match fully vested after 60 days of employment among other benefits.

Salary : $200,000 - $250,000

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