Job Title: Software Developer

Company Name: MANTECH

Job Url: https://careers.mantech.com/en_US/careers/JobDetail/Software-Developer/63141

Job Description: SOFTWARE DEVELOPER
General information
Requisition #
R66987
Locations
USA-VA-Chantilly
Posting Date
04/06/2026
Security Clearance Required
TS/SCI w/ Poly
Remote Type
Onsite
Time Type
Full time
Description & Requirements
Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we’ve been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now—unleash your potential with MANTECH!

MANTECH is seeking a motivated, career and customer-oriented Software Developer to join our team in Chantilly, VA.

Responsibilities include but are not limited to:

Write stable, extensible, and maintainable code
Integrate with third-party APIs and internal utilities
Maintain and add to a suite of automated test scripts
Participate in code reviews
Participate in the projects agile process
Translate technical requirements into high-quality, secure, and robust implementations
Minimum Qualifications:

Requires Bachelor's degree and 2+ years of technical experience in software/web development or 4+ years of technical experience in software/web development
Experience contributing to a large software project
Ability to design features for and maintain long standing software systems with a small team of developers
Strong knowledge of Microsoft .NET
Experience with JQuery, C#, CSS
UI/UX Design
Preferred Qualifications:

Exposure to front-end technologies and how they fit into the larger software design
Understanding of REST APIs
Exposure to databases and SQL
Experience with continuous integration and deployment
Experience with Amazon Web Services and/or other cloud service providers
Quick learner, both able and willing to learn new technology and software
Ability to work with minimum supervision, while collaborating with team members regularly
A passion and desire to produce elegant code
Security Clearance Requirement:

Current TS/SCI clearance with Polygraph is required
Physical Requirements:

Must be able to be in a stationary position more than 50% of the time
Must be able to communicate, converse, and exchange information with peers and senior personnel

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.