c# Jobs in District of Columbia

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Automation Tester

4 Consulting Inc

Remote

Full-time

Who we are! At 4Ci our mission is to build long term relationships, based on trust, integrity, and knowledge with all our employees and business affiliates. 4Ci has been in business for 20 years and has employees working on mission critical projects nationwide. We provide computer programming, testing, and system design services to develop and maintain multi-year, multi-million-dollar mission critical applications for the US Government. Examples of such applications are Medicaid MMIS systems, He

Power Apps Programmer with EHR integration experience

Softratech LLC

Remote

Contract

Job Description: We're currently looking to hire a Sr Power apps Developer to support the implementation of the Continuum Electronic Health Record (EHR) solution for one of our clients in Sacramento, CA. Mandatory Minimum of five (5) years of experience in electronic data processing systems study, design, and programming. At least three (3) years of that experience must have been in a lead capacity. Possession of a bachelor s degree in an IT-related or Engineering field. Minimum of five (5) year

Application Developer

GovCIO

Fairfax, Virginia, USA

Full-time

Overview GovCIO is currently hiring for an Application Developer with an active Secret clearance to design, build, and modify application software. This position will be located in Fairfax, Virginia and will be a fully onsite position. Responsibilities Design, build, and modify application software using a variety of programming languages such as Java, ColdFusion, JavaScript, and C#. Implement multiple design patterns such as MVC, web services, SOA, and/or microservices.Integrate COTS product

Senior Application Developer

GovCIO

Fairfax, Virginia, USA

Full-time

Overview GovCIO is currently hiring for a Senior Application Developer with an active Secret clearance to design, build, and modify application software. This position will be located in Fairfax, Virginia and will be a fully onsite position. Responsibilities Design, build, and modify application software using a variety of programming languages such as Java, ColdFusion, JavaScript, and C#. Implement multiple design patterns such as MVC, web services, SOA, and/or microservices.Integrate COTS p

Test Engineer

Nightwing

Sterling, Virginia, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Software Engineer

AgreeYa Solutions

Remote

Contract

Position: Software Engineer Location: Remote Duration: 6-12+ Months Description: Looking for experienced software generalists ideally with experience in C++, C#, JS, Python, Hack, Java, Android to work on development tools and codeline health.The domain is CI/CD and the ability to debug broken build jobs quickly. The role is more operational, than development heavy generally but requires those skills to help debug and fix build issues.Candidate should be a strong in programming but there won t b

Software Engineer III

Scientific Research Corporation

Reston, Virginia, USA

Full-time

Description The Software Engineer will be a member of a small team focusing on developing services and applications in a DevSecOps based environment in support of DIA. Engineering will be performed on Joint Worldwide Intelligence Communications System (JWICS) and National Security Agency Network (NSANet) connected systems. The ideal candidate will have a history of direct involvement with successful software development, testing and sustainment. Understanding user requirements and strategizing

: Senior Staff Software Engineer

Vaco by Highspring

Remote

Full-time

Job Title:Senior Staff Software Engineer Location:100% Remote Employment Type:Direct Hire Compensation:$140,000 - $175,000 Base + 10%-15% Bonus Benefits:401K Matching, Full Benefits & PTO ImportantNote: No third-party companies - direct applicants only. Sponsorship is not available now or in the future. Job Summary We seek aSenior Staff Software Engineerwith strong AWS cloud engineering expertise to lead and mentor a high-performing software development team. This role is an even split between t

Systems Analyst 3 - ETL

Rapisource LLC

Remote or Austin, Texas, USA

Third Party, Contract

Solicitation Reference Number: 529601476 Direct Client: Texas Health and Human Services Commission Working Title: Systems Analyst 3 - ETL Work Location: Austin, Tx - Position is ONSITE JD: Understands business objectives and problems, identifies alternative solutions, performs studies and cost/benefit analysis of alternatives. Analyzes user requirements, procedures, and problems to automate processing or to improve existing computer system: Confers with personnel of organizational units involve

Application Architect

Kforce Technology Staffing

Remote or Dallas, Texas, USA

Contract

RESPONSIBILITIES: Kforce has a client that is looking for a talented and motivated Senior - Architect level .NET/C# Developer with an interest in stepping into an architecture role that will have heavy hands on coding as well. This is an exciting opportunity to join a team starting a new IT initiative in 2024. The company is transitioning away from Oracle-based applications and consolidating to a single stack to make their systems more maintainable and efficient. As part of this initiative, you

Sharepoint Developer

Nightwing

Annapolis, Maryland, USA

Full-time

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Full Stack Software Engineer

Cymertek Corporation

Reston, Virginia, USA

Full-time

Full Stack Software Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a highly skilled Full Stack Software Engineer to join our team and contribute to the development of cutting-edge applications. In this role, you will work across the entire software development lifecycle, from designing user interfaces to implementing back-end functionality. You will collaborate with cross-functional teams t

NCIS SharePoint Developer | Active TS/SCI clearance

General Dynamics Information Technology

Quantico, Virginia, USA

Full-time

Type of Requisition: Pipeline 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: SharePoint Configuration, SharePoint Development, SharePoint Management Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: Transform technology into opportunity as a SharePoint Developer with GDIT. A career

Legacy Contingent - Expert Software Architect, Internal Tools

INSPYR Solutions

Remote or Irvine, California, USA

Contract

Title: Software Architect Location: Irvine, California Duration: 6 months Compensation: $67.00-$85.00 Work Requirements: , Holders or Authorized to Work in the U.S. Skillset / Experience:Proficiency in C#, Vue, Typescript, and SQL Experience with infrastructure and deployment technologies such as Octopus, Docker, Okta, Grafana, and Google Cloud Platform (Google Cloud Platform). Proven experience in fullstack development and architecture. Strong background in maintaining and enhancing complex app

Junior .NET Developer

Cornerstone Defense

Reston, Virginia, USA

Full-time

Location: Reston, Virginia Type: Contract Job #3560 Title: .NET Developer Location: Chantilly, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government. Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission. Our Team is pushed

Forensic IT Solutions Architect

DCM Infotech Limited

Remote

Contract

Title: Solutions Architect Forensic Science Location:Remote Duration: 12+ Months Job Summary: The Solutions Architect will be responsible for designing, implementing, and optimizing technology solutions tailored to the unique needs of forensic science applications entailing all forensic services provided by the CLIENT. This role involves collaborating with forensic scientists, forensic executives, law enforcement, and development teams to create scalable, secure, and efficient systems that suppo

Mid-Level Software Developer

SimVentions, Inc

Remote or Dahlgren, Virginia, USA

Full-time

Overview SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. We are looking for a mid-level Full-Stack Developer experienced with web-based applications development in a microservices architecture to join our team! On this project, Small Scrum teams work together within the Scaled Agile Framework to develop a telecommunications modeling system used to support DOD missions. This position is located on Dahlgren Naval Base. Applican

IAM Manager

Apexon

Remote

Contract

Hi, Greetings from Apexon IAM Manager 100%Remote Job Duties and Responsibilities: Lead the design and implementation of Identity and Access Management (IAM) solutions, including authentication, authorization, and user provisioning workflows. Drive integration with modern identity providers such as Auth0, KeyCloak, Okta, or Azure AD, ensuring secure SSO and MFA across applications. Oversee adoption and compliance with OAuth 2.0, OpenID Connect, and related standards across engineering teams. Col

Senior App Developer

Kforce Technology Staffing

Remote or Dallas, Texas, USA

Third Party, Contract

RESPONSIBILITIES: Kforce has a client in Dallas, TX that is seeking a Senior App Developer. Responsibilities: * Provide expertise in the following technologies: HTML, CSS, JavaScript, AJAX, jQuery, XML, Oracle SQL and PL/SQL * Closely track project milestones and timelines for associated IT initiatives * Control and manage the scope of project-related activities * Ensure rapid project issue escalation and resolution as needed * Support/document weekly project updates * Ensure IT policies, proce

Dotnet Developer

AaraTechnologies Inc

Remote or New Mexico, USA

Contract

Job Title: . Job Overview Aaratech Inc is seeking a skilled and motivated .NET Developer to join our growing team in Texas. The ideal candidate will have a strong background in full-cycle software development and a passion for building scalable, high-quality web applications. You'll collaborate with cross-functional teams to design, develop, and deliver innovative software solutions aligned with our business objectives. Responsibilities Design, develop, test, and maintain .NET applications Coll