Junior Software Developer

Lexington Park, Maryland, US on site Until 8/29/2026 1+ years exp First posted June 30, 2026 Last posted June 30, 2026
Job description

Greenfield Engineering, a Saalex Company is seeking Junior Software Developer in Patuxent River, MD to support mission-critical DoD programs through the design, development, testing, and maintenance of software solutions. The ideal candidate will bring a strong foundation in computer science, hands-on development experience, and familiarity with real-time systems to contribute to secure, scalable applications in a collaborative environment.

Position Type: Full-Time

Salary: $75k-$85k annually (depending on experience)
Work Location: Onsite.

Essential Functions:

  • Design, develop, test, and maintain software applications using modern programming practices
  • Write clean, efficient, and well-documented code in C/C++ and other object-oriented languages
  • Debug, troubleshoot, and resolve software defects to ensure system reliability and performance
  • Collaborate with cross-functional teams to gather requirements and implement technical solutions
  • Support system enhancements by adding new features and optimizing existing functionality
  • Contribute to software testing efforts, including unit testing and integration testing
  • Assist with version control, build pipelines, and deployment activities
  • Other duties as assigned or required

Requirements

Required:

  • Experience developing in C/C++
  • Experience working in object orientation
  • Strong understanding of software development lifecycle (SDLC)
  • Experience with debugging, testing, and maintaining applications

Desired:

  • Experience with Ada95/98
  • Experience with real-time operating systems
  • Familiarity with Mission Systems Avionics
  • Knowledge of military narrowband communications

Education/Years of Experience:

  • Bachelor’s degree in Computer Science, Software Engineering, or Engineering discipline (must be a completed, accredited degree) required.
  • 1–3 years of relevant professional or internship experience in software development

Security Clearance:

 Active Top Secret clearance required. Requirements to obtain a clearance include US Citizenship, security investigation, etc.

Benefits

  • Health Care Plan (Medical, Dental & Vision)
  • Retirement Plan (401k, IRA)
  • Life Insurance (Basic, Voluntary & AD&D)
  • Paid Time Off (Vacation, Sick & Public Holidays)
  • Short Term & Long Term Disability
  • Training & Development
  • Wellness Resources
  • Stock Option Plan
About this role

Summary

Design, develop, test, and maintain software for defense systems in a collaborative environment.

Job title

Junior Software Developer

Experience level

1-3 years

Minimum experience

1+ years exp

Industry

defense

Location requirements

Onsite in Lexington Park, Maryland, US; no remote work.

Salary

$75k–$85k

Management role

No

Skills & keywords

Required skills

c/c++object orientationsdLCdebuggingtesting

Preferred skills

Ada95/98real-time operating systemsmission systems avionicsmilitary narrowband communications

Specializations

c/c++object-orientedreal-time systemssoftware development
Locations

Structured locations inferred from the posting.

Lexington Park, MD 20653, USA

On-site City