Software Developer Contract jobs in Washington

Active Top Secret (TS/SCI) clearance with polygraph is required. Visionist has an exciting new, fully FUNDED opportunity for a Junior Full-Stack Software Developer on our largest PRIME contract. Our team of Analysts and Engineers is motivated by the direct impact on the mission, crafting specialized

Active Top Secret (TS/SCI) clearance with polygraph is required. Visionist has an exciting new, fully FUNDED opportunity for a Senior Full-Stack Software Developer on our largest PRIME contract. Our team of Analysts and Engineers is motivated by the direct impact on the mission, crafting specialized

Join CANDA Solutions, LLC as a Full Stack Software Developer - Mid Level, and elevate your career in the dynamic world of Information Technology. This role offers you the unique opportunity to work on innovative projects that challenge your skills while promoting a high-performance, flexible work en

Active Top Secret (TS/SCI) clearance with polygraph is required. Visionist has an exciting new, fully FUNDED opportunity for a Software Engineer (AI-Assisted Developer Tooling) on our largest PRIME contract. Our team of Analysts and Engineers is motivated by the direct impact on the mission, craftin

Leidos

$87,100 - $157,450 /year

Leidos is seeking a Lead DevSecOPS Software Developer to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Leidos Common Baseline. Common Baseline is a mission-critical, future-ready automation solution built on a hybrid cloud data mesh architecture. As

Team CATHEXIS elevates the government contracting experience through rapid response, deep skill, and thoughtful problem-solving and communication. Our core capabilities are our top-tier program and project management, data analytics, and audit services, the backbone of which is our integrated approa

Team CATHEXIS elevates the government contracting experience through rapid response, deep skill, and thoughtful problem-solving and communication. Our core capabilities are our top-tier program and project management, data analytics, and audit services, the backbone of which is our integrated approa

Job Description: Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able To Obtain: None Public Trust/Other Required: None Job Family: Software Engineering Skills: Job Qualifications: Agile Methodology, Docker (Software), Kubernete

Job Description: Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able To Obtain: None Public Trust/Other Required: None Job Family: Software Engineering Skills: Job Qualifications: Agile Methodology, Docker (Software), Software

Active Top Secret (TS/SCI) Clearance With Polygraph Is Required. Visionist has an exciting new, fully FUNDED opportunity for a Junior Full-Stack Software Developer on our largest PRIME contract. Our team of Analysts and Engineers is motivated by the direct impact on the mission, crafting specialized

SIGINT Software Developer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking an innovative and driven SIGINT Software Developer to join our team and create cutting-edge solutions for Signals Intelligence opera

ABOUT US We’re the world’s leading provider of secure financial messaging services, headquartered in Belgium. We are the way the world moves value – across borders, through cities and overseas. No other organisation can address the scale, precision, pace and trust that this demands, and we’re proud

Modern Software Developer, Senior The Opportunity : As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you’re looking for the chance to not just develop software, but to create a system that will make a difference, we need you on

Job Description The position involves collaborating with a team of software and test engineers to update and migrate legacy software, used for Naval Ship Weapons Direction Systems, into a new hardware environment as part of a naval system mid-life modernization effort. The program for hardware moder

Leidos

This Department of War enterprise data and analytics program delivers mission-critical capabilities that enable leaders across the Department to make faster, better-informed decisions using trusted data at scale. Leidos Digital Modernization sector is seeking an experienced SME Software Developer to

Position Description: CGI Federal is seeking a highly skilled and motivated Backend Developer to join our innovative team. As a Backend Developer, you will be responsible for designing, developing, and maintaining robust and scalable backend systems. You will work closely with front end developers,

Eliassen Group

Sr. Software Developer III Washington dc, DC Type: Permanent Category: Development Industry: Government Reference ID: JN -032026-106000 Date Posted: 03/16/2026 Shortcut: http://careers.eliassen.com/yrJiJ3 Description Recommended Jobs Description: Onsite in Washington, DC The organization seeks a Sr.

fusionSpan is a fast-growing multinational information technology services company, and we are seeking a Java Developer to join at our Headquarters in Rockville, MD. This position is open to part-time internship during the semester, and can be full time internship during the summer. This position wi

Benefits: 401(k) Bonus based on performance Competitive salary Flexible schedule Paid time off We are looking for an experienced, ambitious software developer who wants more than just writing code in isolation. This is an in‑office role . We are not hiring remote contractors or virtual-only develope