C# Jobs in District Of Columbia

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Power Platform Developer

ALTA IT Services

•

Washington, District of Columbia, USA

Full-time

Job Title: Power Platform Developer Location: Washington, DC Type: Contract Compensation: $90000 - $120000 annually Contractor Work Model: Hybrid Power Platform Developer DC Office of the Chief Financial Office Hybrid (MTW - 1101 4th St. SW, Suite 350,Washington DC 20024) The Power Platform Developer is responsible for designing, developing, and implementing business solutions using Microsoft's Power Platform suite, including Power Apps, Power Automate and Power BI. This role involves leveraging
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Posted 10 days ago | Updated 10 hours ago

Technical Manager, Software Engineering

Costar Group

•

Arlington, Virginia, USA

Full-time

Technical Manager, Software Engineering Job Description CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real estate inform
Posted 15 days ago | Updated 1 hour ago

Process Automation Engineer

SAIC

•

Washington, District of Columbia, USA

Full-time

Job ID: 2507911 Location: WASHINGTON, DC, US Date Posted: 2025-07-24 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description SAIC is seeking a skilled Process Automation Engineer to join our team at SAIC/PBGC. The right candidate will have a developer mindset in an infrastructure environment. They will work closely with tool
Posted 14 days ago | Updated 11 hours ago

Software Engineer 1

PANGIAM a BigBear.ai Company

•

Columbia, Maryland, USA

Full-time

Overview BigBear.ai is seeking a Software Engineer on an exciting upcoming Cyber Operations contract award. The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a team. Reviews and tests software components for adh
Posted 10 days ago | Updated 10 hours ago

WPF Senior Software Engineer, Intelligence Systems

Aduril Industries

•

Reston, Virginia, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c
Posted 4 days ago | Updated 1 hour ago

DevOps Engineer - TS/SCI w/Polygraph

General Dynamics Information Technology

•

McLean, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: DevOps, DevSecOps, Git, Kubernetes, Linux Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Ensure the safety and security of our nation as a Systems Engineer (DevOps) at GDIT. Our w
Posted 17 days ago | Updated 17 hours ago

Database Developer II

American Systems Corporation

•

McLean, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities Design, develop, and maintain relational databases.Write and optimize SQL queries for data retrieval and manipulation.Collaborate with other developers to ensure data integrity and consistency.Participate in cod
Posted 60+ days ago | Updated 1 hour ago

Power Apps Senior Developer/Architect

General Dynamics

•

Remote or Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: NACI (T1) Job Family: Cloud Job Qualifications: Skills: Agile Methodology, Microsoft Power Applications Deployment, Microsoft Power Applications Portals, SharePoint Developer, Software Development Life Cycle (SDLC) Certifications: None Experience: 15 + years of related experience ship Required: Yes Job Description: At GDIT, people are our dif
Posted 1 hour ago

Software Developer, Mid - Active Top Secret required

General Dynamics Information Technology

•

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Software Development Job Qualifications: Skills: Application Development, Software Design, Software Development Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Deliver simple solutions to complex problems as a SOFTWARE DEVELOPER at GDIT. Here, you'll tailor
Posted 3 days ago | Updated 1 hour ago

Software Developer, Mid - Active Top Secret required

General Dynamics

•

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Software Development Job Qualifications: Skills: Application Development, Software Design, Software Development Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Deliver simple solutions to complex problems as a SOFTWARE DEVELOPER at GDIT. Here, you'll tailor
Posted 2 days ago | Updated 1 hour ago

Senior Software Engineer (.NET)

Costar Group

•

Arlington, Virginia, USA

Full-time

Senior Software Engineer (.NET) Job Description CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real estate information an
Posted 33 days ago | Updated 1 hour ago

DevOps Engineer - TS/SCI w/Polygraph

General Dynamics Information Technology

•

McLean, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: DevOps, DevSecOps, Git, Kubernetes, Linux Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Ensure the safety and security of our nation as a Systems Engineer (DevOps) at GDIT. Our wo
Posted 17 days ago | Updated 19 hours ago

Software Developer - Active Top Secret required

General Dynamics Information Technology

•

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Programming Job Qualifications: Skills: Operating Systems (OS), Software Development, Software Systems Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Deliver simple solutions to complex problems as a SOFTWARE DEVELOPER at GDIT. Here, you'll tailor cutting-
Posted 3 days ago | Updated 1 hour ago

Software Developer - Active Top Secret required

General Dynamics

•

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Programming Job Qualifications: Skills: Operating Systems (OS), Software Development, Software Systems Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Deliver simple solutions to complex problems as a SOFTWARE DEVELOPER at GDIT. Here, you'll tailor cutting-e
Posted 2 days ago | Updated 1 hour ago

Software Developer - Active Top Secret required

General Dynamics Information Technology

•

Washington, District of Columbia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Programming Job Qualifications: Skills: Operating Systems (OS), Software Development, Software Systems Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Deliver simple solutions to complex problems as a SOFTWARE DEVELOPER at GDIT. Here, you'll tailor cutting-e
Posted 3 days ago | Updated 2 days ago

Senior Software AI Engineer

Booz Allen Hamilton

•

McLean, Virginia, USA

Full-time

Job Number: R0223966 Software AI Engineer, Senior The Opportunity: We're looking for a passionate, senior full-stack s of tware engineer focused in AI to work with a fast-paced, highly collaborative sof tware development team building and launching capability for enterprise web-based systems in the cybersecurity field. You'll have the opportunity to work on building a web-based SaaS solution automating cybersecurity risk management and vulnerability or configuration monitoring. You'll be respo
Posted 14 hours ago | Updated 2 hours ago

Software Developer

General Dynamics Information Technology

•

Fort Belvoir, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Software Development Job Qualifications: Skills: National Security, Red Teaming, Software Systems Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Deliver simple solutions to complex problems as a Software Developer, Senior at GDIT. Here, you'll tailor
Posted 57 days ago | Updated 1 hour ago

Software Engineer

Redhorse Corporation

•

Chantilly, Virginia, USA

Full-time

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 partners building technology-agnostic solutions and want to apply their talents supporting customers with difficult and important mission sets. About the Role Redhorse is transforming how the government
Posted 22 days ago | Updated 10 hours ago

DevOps Engineer - TS/SCI w/Polygraph

General Dynamics

•

McLean, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: DevOps, DevSecOps, Git, Kubernetes, Linux Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Ensure the safety and security of our nation as a Systems Engineer (DevOps) at GDIT. Our wo
Posted 29 days ago | Updated 1 hour ago

Software Engineer 2

PANGIAM a BigBear.ai Company

•

Columbia, Maryland, USA

Full-time

Overview BigBear.ai is seeking a Software Engineer on an exciting upcoming Cyber Operations contract award The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Works individually or as part of a team. Reviews and tests software components for adher
Posted 21 days ago | Updated 10 hours ago