Application Developer

ManTech
📍 Chantilly, VA, United States 💼 Full-time 🕒 Posted June 15, 2026

Job Description

**MANTECH** seeks a motivated, career and customer-oriented **Application Developer** to join our team in **Chantilly, VA**

The **Application Developer** will be dedicated full-time to development and enhancement support for existing applications as well as new development.

**Responsibilities include but are not limited to:**

+ Designing, programming/developing, and modifying software systems, applications, and tools, both existing and potentially new in the future
+ Analyzing user needs and software requirements to determine feasibility of design within time and cost constraints
+ Collaborating with teammates, other service providers, vendors, and users to develop new program features
+ Developing unit and integration tests, in addition to participating in functional and regression tests to ensure programs will produce the desired results and that instructions are correct
+ Correcting errors by making the appropriate changes and then re-che...

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Job Details

  • Location Chantilly, VA
  • Job Type Full-time
  • Category other-general
  • Posted Date June 15, 2026
  • Application Deadline June 20, 2026