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Full Stack Developer

Job in Washington, District of Columbia, 20022, USA
Listing for: T-Rex Solutions, LLC
Full Time position
Listed on 2026-01-12
Job specializations:
  • Software Development
    Full Stack Developer, Java Developer
Salary/Wage Range or Industry Benchmark: 125000 - 150000 USD Yearly USD 125000.00 150000.00 YEAR
Job Description & How to Apply Below

Full Stack Developer

Join to apply for the Full Stack Developer role at T-Rex Solutions, LLC

T-Rex Solutions is looking to select a Full Stack Developer to support our Internal Revenue Service (IRS) EDOS program. The overall mission of this program is to modernize the IRS legacy Tax processing systems and is critical to the overall modernization of the IRS to improve taxpayer experience, increase voluntary compliance, and reduce the IRS's reliance on costly and unsustainable legacy technology.

Responsibilities
  • Hands‑on role with extensive involvement in developing, implementing, operating and enhancing products. The candidate is accountable for the quality of the product delivered.
  • Implements the best practices of Agile and Dev Sec Ops  to deliver quality products predictably and consistently.
  • Evaluates functional/business and technical requirements and identify gaps/risks.
  • Conducts development and testing activities using Agile and Dev Sec Ops  best practices.
  • Follows defined development workflows and quality processes and creates the required design and development artifacts.
  • Provides product support, product troubleshooting support and resolves product issues and defects.
  • In coordination with others, monitors and analyzes production performance, while looking for ways to optimize and scale existing solutions.
  • Promotes knowledge sharing activities within and across different product teams by creating and engaging in communities of practice and through documentation, training, and mentoring.
Requirements
  • 2+ years of overall experience preferred in software development.
  • Bachelor's Degree.
  • Current Active Public Trust Clearance Required.
  • Java Back‑End:
    Strong proficiency in Java and solid understanding of Java design patterns.
  • Spring Framework:
    Extensive experience with the Spring ecosystem, including Spring Boot, Spring MVC, and Spring Data JPA.
  • React Front‑End:
    Strong programming knowledge of JavaScript, Type Script, and React

    JS.
  • Web Fundamentals:
    Experience translating graphic designs into responsive user interfaces using HTML and CSS.
  • API development:
    Experience building APIs that enable communication between the front and back ends (knowledge in documentation with Swagger is a plus).
  • Server‑Side and Cloud:
    Experience server‑side technologies (Java, Node.js, Python, etc.) and cloud services (AWS) and containerization (Docker, Kubernetes, EKS, Open Shift).
  • Dev Ops:
    Well‑versed in managing application development with Dev Ops tools like Jenkins, Sonar Qube, App Scan, Nexus IQ, Git Hub, and Git Hub Actions.
  • Agile:
    Experience working on an Agile team and a strong understanding of agile methodologies.
Desired Skills
  • 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. 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…

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