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Remote New

Senior Software Developer

T-Rex Solutions LLC
$125,000 - $150,000
parental leave, tuition reimbursement, 401(k)
United States
Sep 17, 2025

T-Rex Solutions is seeking a results-driven Senior Software Developer to support our IRS Development, Infrastructure, Security and Modernization (DISM) program. The program objective is to provide ongoing support for the development, operation and maintenance of critical CI/CD capabilities, enterprise infrastructure, application development, and modernization of IRS tax filing and enterprise systems. As a vital contributor to our team, you will ensure the Application Development (AD) production baseline is consistently maintained with accurate software configuration management across multiple releases. Your role will entail developing and implementing a fully integrated systems infrastructure, facilitating Continuous Integration/Continuous Delivery (CI/CD) processes, and performing technical integration activities to minimize program critical risk exposure.

The ideal candidate will bring a wealth of knowledge in various IRS tax processing systems, including but not limited to submission processing systems, corporate data systems, compliance and case processing systems, and modernized systems. You will work closely within an Integrated Project Team (IPT) that includes IRS staff and other contractors, adopting the Iterative Enterprise Life Cycle (ELC) development path and methodology to support the IPT in various capacities. This is a fully remote program and requires all individuals to pass an IRS investigation and acquire a public trust clearance.

Responsibilities:



  • Ensures the AD production baseline is maintained with accurate software configuration management across multiple releases, ensuring lifecycle environments are ready for use.
  • Develops and implements a fully integrated systems infrastructure with related management processes.
  • Actively supports Continuous Integration/Continuous Delivery (CI/CD) initiatives, ensuring seamless integration from end-to-end in the software development and deployment process. This includes continuous compilation, testing, and delivery of source code to test environments for immediate error detection.
  • Performs upgrading configurations, delivery automation, and backlog grooming sessions.
  • Minimizes program critical risk exposure and ensures that technical solutions are safe, secure, extensible, and scalable.
  • Establishes and documents standard operating procedures for technical integration and broader project or program activities.
  • Offers in-depth knowledge of various IRS tax processing systems, including submission processing systems, corporate data systems, compliance and case processing systems, and modernized systems.


Requirements:



  • Bachelor's Degree in Computer Science, Information Technology, Engineering, or a related field with 5+ years of related experience in software development, with a strong focus on systems software
  • US Citizenship required
  • Must be able to pass an IRS public trust investigation
  • Hasdemonstrated experience in developing Java software solutions, including Java EE/SE, JSP, JSF, and Hibernate, showcasing the ability to address complex development challenges.
  • Proven ability in designing, developing, and integrating web services using Service Oriented Architecture (SOA) principles, reflecting a deep understanding of distributed systems architecture.
  • Experience with Oracle 10g/11g environments and Oracle Real Application Clusters, as well as implementing middleware rules engines like Drools, showing proficiency in database and middleware technologies.
  • Expertise in implementing continuous integration and deployment processes with tools such as Jenkins, GitLab CI/CD pipeline, and automated testing techniques, demonstrating a commitment to modern development practices.
  • Extensive experience working in Agile/Scrum development environments, indicating adaptability, effective teamwork, and a commitment to iterative development and continuous improvement.
  • Proven experience with cloud-based development and deployment and containerization technologies like Docker and OpenShift, demonstrating knowledge of modern infrastructure and deployment methodologies.
  • Experience in implementing cyber security policies, procedures, and best practices, including understanding the Federal Information Security Management Act (FISMA), to ensure secure software development practices.


Desired Skills:



  • Experience in a senior development role is preferred.
  • Master's Degree desired
  • Current IRS clearance desired


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 $125,000 - $150,000. 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.

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