93 open roles

Applications Developer

Open Posted on Aug 27, 2026

At a glance

Type
Full Time
Location
US
Posted
Aug 27, 2026
Company size
Startup (1-50)
Industry
Technology/Software

About the role

J5 Consulting is a Maryland based company established in 2006 to provide computing and consulting services for government and commercial entities. Our services improve Information System networking performance and compliance and protect electronic assets from loss and compromise. We welcome your application to receive consideration for the following position.

Job Overview: Available Immediately

Introduction

This position will assist with maintenance of existing legacy applications and support the transition to a new system architecture. Location is the Reston area. ***NOTE: Additional security scrub required.

Required skills and demonstrated experience

  • 5 or more years with Full Stack development experience
  • 5 or more years with supporting legacy applications
  • Demonstrated experience (3+years) with C# desktop application development experience
  • Design and deploy bug fixes written in the C# software language to support an existing legacy system
  • Experience working on an application built on client/server-based architecture
  • 3 years experience with RDMS support
  • Experience developing, implementing and maintaining complex functions, scripts, stored procedures and triggers in support of applications
  • Demonstrated strong troubleshooting experience
  • Experience working in an Agile development environment
  • Proficiency with Git

Highly desired, though not required, include

  • Familiarity with the Sponsor's A&A process
  • Familiarity with DevOps
  • __________________________________________________________________________________

US Citizenship

This position requires US Citizenship. Verification of US Citizenship to meet federal government security requirements will be confirmed.

Security Clearance

The successful candidate must have an active U.S. Government Top Secret Security Clearance with a Full Scope Polygraph.

Clearance Verification: This position requires successful verification of the stated security clearance to meet federal government customer requirements. You will be asked to provide clearance verification information prior to an offer of employment.

Travel

  • This position is expected to be onsite. The position will be located within the Washington Metropolitan Area (WMA). Local travel/POV will be on an as needed basis, within the local place of performance.
  • Join J5 Consulting and Grow Your Cybersecurity Career
  • At J5, we’re a team of innovators protecting organizations from evolving cyber threats. With 18+ years of success in government and commercial sectors, we offer meaningful opportunities to grow your career.

Enjoy comprehensive benefits, including

100% employer-paid health coverage

a 6% 401(k) match

PTO

  • tuition reimbursement
  • bonuses
  • professional development, and more.
  • Ready to make an impact? Explore our open positions and apply today.

About J5 Consulting

J5 Consulting
Technology/Software · Startup (1-50)
93 open roles

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