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Senior Java Developer with State/Federal Client - W2

Vinsys Information Technology Inc
Rockville, MD Contractor
POSTED ON 11/29/2025 CLOSED ON 1/10/2026

What are the responsibilities and job description for the Senior Java Developer with State/Federal Client - W2 position at Vinsys Information Technology Inc?

Hope you're doing well. We have an open position for a Senior Java Developer. See the details below and let me know your interest. If interested, please share a copy of your resume to hr@vinsysinfo.com along with your salary / rate expectations and the best time to reach you.

Role: Senior Java Developer

Client: Federal Client - (USC/GC/EAD's on W2)

Location: Rockville, MD (Onsite Role - Work is primarily remote; however customer meetings and badging processes will be onsite in Rockville, MD. Ideal candidates will reside in the Washington DC metro area)

Description

The Senior Java Developer role will work as part of a software development team and be responsible for designing, developing, and managing Java-based applications. Our ideal candidate is a problem-solver with a deep understanding of the Java programming language and is familiar with the software development life cycle (SDLC). A top candidate would be very client focused. To be a strong team player you must be proactive in identifying issues and risks, and work with the client and the team to be a trusted advisor. Another challenge is maintaining an excellent level of current operational support while planning and integrating new enhancements and technologies.

Responsibilities

  • Design and implement Java-based applications.
  • Analyze user requirements to inform application design.
  • Define application objectives and functionality.
  • Align application design with business goals.
  • Develop and unit test software.
  • Integrate applications with third-party web services.
  • Support the development team with project needs as necessary.
  • Provide code documentation and maintain the functionality of existing applications.
  • Design and implement scalable and high-performing solutions.
  • Work closely with other developers and project managers to ensure that projects are delivered on time and within budget.
  • Test, debug, and troubleshoot software issues.
  • Conduct software analysis.
  • Create user information solutions by developing, implementing, and maintaining Java based components and interfaces.

Qualifications

  • Bachelor's degree in computer science or related field. Master's preferred.
  • (Preferred) Professional IT Certification.
  • Must have experience with Oracle PL/SQL.
  • (Optional) Experience with Oracle APEX.
  • Experience with GIT.
  • Working knowledge of the Agile development process and Jira.
  • Able to work with minimal supervision
  • Proven experience as a Senior Java Developer.
  • Experience with Java frameworks (like SpringBoot, Hibernate, Angular).
  • Knowledge of Object-Oriented Programming (OOP) concepts.
  • Experience with database architecture and design (SQL, NoSQL).
  • Understanding of Java GUI frameworks (like Swing, SWT, AWT).
  • Familiarity with Java testing tools.
  • Ability to manage and prioritize multiple projects concurrently.
  • Excellent problem-solving abilities.

Hourly Wage Estimation for Senior Java Developer with State/Federal Client - W2 in Rockville, MD
$56.00 to $73.00
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