Software Developer Programmer jobs in Doncaster

Who we are Lockheed Martin is a global leader in aerospace, defense, and technology solutions. Our Manassas campus is a thriving center of engineering expertise, fostering a culture that encourages creativity, excellence, and the creation of exceptional products. Our team is made up of dedicated pro

InterSources

Job Title: Senior Application Developer (Programmer – Consultant) (10662) Location: Columbia, SC 100% Remote (Must reside in Continental US & work EST hours) Duration: 12 Months (Extension Possible) Interview: 1 Round – Virtual Hours/Week: 38 Key Responsibilities Maintain and support CA Plex-bas

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our leadership vision of valuing people, embracing agility, and fostering growth, we cultivate an innovati

About The Organization Now is a great time to join Redhorse Corporation. We are a solution-driven company delivering data insights and technology solutions to customers with missions critical to U.S. national interests. We’re looking for thoughtful, skilled professionals who thrive as trusted partne

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, nation

Accenture

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, nation

The Missions, Concepts and Capabilities (MCC) of Applied Research Associates, Inc. (ARA) is seeking a Modeling and Simulation Software Developer to join a multi-disciplinary team of engineers and scientists developing and deploying systems that integrate chemical and biological (CB) sensors, data an

The Missions, Concepts and Capabilities (MCC) of Applied Research Associates, Inc. (ARA) is seeking a Modeling and Simulation Software Developer to join a multi-disciplinary team of engineers and scientists developing and deploying systems that integrate chemical and biological (CB) sensors, data an

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

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

ARA

The Missions, Concepts and Capabilities (MCC) of Applied Research Associates, Inc. (ARA) is seeking a Modeling and Simulation Software Developer to join a multi-disciplinary team of engineers and scientists developing and deploying systems that integrate chemical and biological (CB) sensors, data an

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,

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

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.

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

Software Developer (Back End) Category: Software Development/ Engineering Main location: United States, Virginia, Fairfax Position ID: J0426-0928 Employment Type: Full Time Position Description: CGI Federal is seeking a highly skilled and motivated Backend Developer to join our innovative team. As a

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

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