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Senior API Systems Application Software Developer (100% Remote - REF1897O)

Citizant
Chantilly, VA Remote Full Time
POSTED ON 12/8/2025 CLOSED ON 1/9/2026

What are the responsibilities and job description for the Senior API Systems Application Software Developer (100% Remote - REF1897O) position at Citizant?

Company Description

Citizant is a leading provider of professional IT services to the U.S. government.  We seek to address some of our country’s most pressing challenges in the areas of Agile application development, Enterprise Data Management, Enterprise Architecture, and Program Management support services – focusing on the U.S. Departments of Homeland Security and Treasury. We strive to hire only ethical, talented, passionate, and committed “A Players” who already align with the company’s core values:  Drive, Excellence, Reputation, Responsibility, and a Better Future.  No matter how large we grow, Citizant will retain its collaborative, supportive, small-company culture, where successful team effort to address external and internal customer challenges is valued above all individual contributions.

Job Description

  • 10 years of professional experience responsible for designing, developing, testing, and maintaining complex system-level software that supports enterprise and mission-critical IT environments.
  • WebMethods, COTS Product Suite, Admin and Developer
  • SoftwareAG API GW, API Portal, API Catalog
  • Experience with web services and JMS

Qualifications

Education Requirements:

  • Bachelor’s degree in computer science, Software Engineering, or a related field.

Clearance Requirements:

  • Must be a U.S. Citizen
  • Active Public Trust/MBI or have the ability to obtain one.

Starting salary: 

  • The pay for this position is up to $125,000 annually.
  • The pay rate will vary based on skills, experience, and location.

Citizant offers a competitive benefits package, including:

  • Medical, dental, and vision insurance
  • 401(k) 
  • Generous PTO
  • Company-paid life and disability insurance
  • Flexible Spending Accounts (FSA)
  • Employee Assistance Program (EAP)

Additional Information

Citizant strives to be an employer of choice in the Washington metropolitan area. Citizant associates accept challenging and rewarding work and in return receive excellent compensation and benefits, as well as the opportunity for personal and professional development.

Citizant is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status.

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Salary.com Estimation for Senior API Systems Application Software Developer (100% Remote - REF1897O) in Chantilly, VA
$137,853 to $166,399
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