c# Jobs in Reston, VA

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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

Senior Software Engineer

LeisurePay

Remote or Las Vegas, Nevada, USA

Full-time

We are seeking an experienced Senior Developer to join our dynamic team at LeisurePay. This role is ideal for a highly motivated and skilled professional with a strong background in full-stack development and a passion for building scalable, secure, and high-performance applications. Responsibilities:Design, develop, test, and deploy high-quality software solutions Collaborate with cross-functional teams to define, design, and ship new features Troubleshoot, optimize, and refactor existing code

Manager - Business Systems

American Association Of Motor Vehicle Admin.

Arlington, Virginia, USA

Full-time

Position Summary: The Manager will assist the Director with the technical management and direction of software development activities including the overall design of new software components, the implementation of industry best practices and standards, the establishment of priorities and the delivery of software products and solutions. This role calls for a go getter who can help grow the team and continue the transition towards cloud native development and deployment. Manager's primary responsi

Technical Architect

JARM Property Management

Remote

Contract

A Technical Architect will serve as the manager of complex technology implementations, with an eye toward constant reengineering and refactoring to ensure the simplest and most elegant system possible to accomplish the desired need; understand how to maximize leverage of the open source community to deploy systems on Infrastructure as a Service (IaaS) providers; be comfortable sharing knowledge across a multi-disciplinary team and working within various methodologies; and be a full partner in th

Full Stack Software Engineer

Cymertek Corporation

Tysons, Virginia, USA

Full-time

Full Stack Software Engineer LOCATION Tysons, VA 22182 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

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

Full Stack Software Engineer

Cymertek Corporation

Chantilly, Virginia, USA

Full-time

Full Stack Software Engineer LOCATION Chantilly, VA 20151 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 team

Dot Net Architect--Part Time

Newt Global

Remote

Part-time

Key Responsibilities: Architectural Leadership Design and implement scalable, secure, and maintainable software architectures using .NET technologies (ASP.NET Core, .NET Framework). Define and enforce best practices, coding standards, and development processes to ensure high-quality deliverables. Provide end-to-end technical leadership on architecture, design, and implementation of full-stack solutions. Full-Stack Development Lead the development of backend services and APIs using C#, ASP.NET

Technical Architect Microsoft Dynamics 365 & Power Apps

ChaTeck Incorporated

Remote or Houston, Texas, USA

Contract, Third Party

AES_325 Technical Architect Microsoft Dynamics 365 & Power Apps Why Join Us: Lead transformative projects with cutting-edge Microsoft technologies. Collaborate with high-performing teams across digital innovation initiatives. Competitive compensation and opportunities for career advancement. Engage with complex enterprise architectures and solve meaningful business challenges. Role Overview: We are looking for a seasoned Technical Architect with 12 15 years of experience in Microsoft Dynamics

Staff SW Engineer

Visa Inc.

Ashburn, Virginia, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe

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

Azure Integration Engineer

Cayuse Shared Services

Arlington, Virginia, USA

Full-time

Overview The Work The Azure Integration Engineer will be responsible for leading the design, implementation, and maintenance of cloud-based integration solutions utilizing Microsoft Azure services. The role is integral in ensuring seamless interoperability between various cloud and on-premises systems, thereby enhancing business operations and strategic objectives. This position performs all duties and responsibilities in accordance with the Mission, Vision, and Core Values of Cayuse. Responsi

NMS Network Engineer (NE III) (Government)

AT&T Inc.

Chantilly, Virginia, USA

Full-time

Job Description: AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our customers' mission. Our National Security Team supports the intelligence community, providing, operating, and assuring critical voice, video

Application Maintenance Developer

Virtutem

Remote

Full-time

SummaryWe are seeking a hands-on, technically strong C# developer to support and expand an existing full-stack enterprise application for a high-profile client. The application is already built and in active use. This role focuses on maintaining the platform while working closely with the client to enhance and grow its capabilities over time LogisticsFull-time availability required during standard California business hours. 100% remote; must be comfortable and effective working via screen share

Remote SAP/.NET Developer

EDI Specialists, Inc.

Remote or Pennsylvania, USA

Full-time

SUMMARY As a part of a team of experienced developers, this role will design and develop solutions to support application portfolio. Primary responsibility includes technical design, development, testing, documentation and collaboration during all SDLC phases. This is a strategic role supporting the integration of our SAP ERP platform with other systems, both internal and external. ESSENTIAL DUTIES AND RESPONSIBILITIES Design and develop efficient solutions in a timely manner to the existing tea

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

.Net Developer ( Senior Developer) / Durham, NC(Remote)- 6 Months Contract

Suncap Technology

Remote or Durham, North Carolina, USA

Contract

Need Sr .NET Developer Durham, NC (REMOTE) 6 Months Contract Interview Process: 1 st round : .NET ( 30 Min) & Oracle Pl/SQL (30 Min) test with Vendor 2 nd round : 30 min video Technical round with vendor team for Java NEED 15 + yrs Total IT experience with .Net and Oracle Need mandatory : .NET : yrs exp Oracle PL/SQL : yrs exp ASP.NET Webforms, .NET C#, Java Script/jQuery - To work on huge enterprise ASP.NET websites & many .NET backend systems - Very strong ASP.NET UI development experienc

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

Software Engineer (TS/SCI w/ Poly required)

Parsons Services Company

Maryland, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: We are seeking a Software Engineer 0 to join the software development team. The idea

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