c# Jobs in Reston, VA

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C#/Javascript/SQL Server Fullstack Developer

Case Interactive

•

Remote

Full-time

Title: Software Application Developer Job Description: We are seeking a talented and motivated Software Developer to join our fully remote team. This role involves working with our proprietary full-stack in-house development platform and low-code language to build and maintain database-driven web applications. While experience with our in-house platform and language is not expected, candidates should have a strong background in UI development and database architecture. As part of an agile develo
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Posted 60+ days ago | Updated 2 days ago

Sr. Full Stack Engineer (Remote - EDT/CDT)

TixTrack

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Remote

Full-time

At TixTrack, we support our clients by creating superior ticketing solutions for performing arts, cultural institutions, attractions and immersive experiences through a combination of modern technology, beautifully simple design, and the art of listening. Founded in Los Angeles, we are a small, but growing team of hardworking, highly motivated individuals. We are passionate about our work and driven to innovate with our customers to solve current and future challenges with new solutions. With a
Posted 12 days ago

Lead .NET Developer w/Azure Integration

SolutionIT, Inc.

•

Washington, District of Columbia, USA

Full-time, Contract, Third Party

Solution IT Inc. is looking for a Lead .NET Developer w/Azure Integration for one of its clients in - Washington, DC Job Title - Lead .NET Developer w/Azure Integration Job Description: Summary: We are seeking an experienced Senior .NET/Azure Integration Developer to join our team and support the design and development of scalable, secure, and high-performing integration solutions. This role involves building RESTful API services and message interfaces using Azure APIM and Azure Service Bus, a
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Posted 4 days ago | Updated 1 hour ago

COE/SECTOR - Sr Java Developer - C2/C1

QualiTest

•

Remote

Full-time

Are you interested in working with the Worlds leading AI-powered Quality Engineering Company? Ready to advance your career, team up with global thought leaders across industries and make a difference every day? Join us at Qualitest! We are looking for a Senior Java Developer to join our growing team in United States! Key Responsibilities: Individual Contribution: Design and implement high-quality, scalable backend services using Java Spring Boot, and modern responsive UIs using React. Architectu
Posted 24 days ago

Data Systems Engineer

Leidos

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Chantilly, Virginia, USA

Full-time

POSITION TITLE Data Systems Engineer JOB DESCRIPTION The Data Systems Engineer is an integral member of a government/contractor team supporting our customer's operations organization. This role requires an individual with technical experience administering Linux servers within a virtual environment. The role requires implementing security compliance for the systems. The individual's work encompasses interfacing with advanced systems, with data processing capabilities across a multi-network en
Posted 60+ days ago | Updated 9 hours ago

Application Developer (UNITED STATES CITIZEN OR PERMANENT RESIDENT; ONSITE - SUITLAND, MD)

Soft Tech Consulting Inc

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Suitland-Silver Hill, Maryland, USA

Full-time

UNITED STATES CITIZEN OR PERMANENT RESIDENT FOR PERMANENT RESIDENT - MUST HAVE BEEN IN THE U.S. FOR A MINIMUM OF 3 CONSECUTIVE YEARS ONSITE - SUITLAND, MD MUST BE ABLE TO OBTAIN PUBLIC TRUST SALARY IS DEPENDENT UPON THE CANDIDATE S SKILLS, EXPERIENCE, EDUCATION AND CERTIFICATIONS SALARY RANGE: $75K to $90K HIGH END OF THE SALARY RANGE IS CONSIDERED FOR THOSE WHO EXCEED QUALIFICATIONS IN A REQUIRED AREA Soft Tech offers competitive BENEFITS in the areas of: MEDICAL, DENTAL, VISION, 401K, Short T
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Posted 60+ days ago | Updated 2 days ago

Software Developer - Junior

Jacobs

•

Washington, District of Columbia, USA

Full-time

As a Top Secret Software Developer for this program, you will be working in an organization that's mission is to develop and operate the best possible software for critical national security enterprise applications. This organization leverages SCRUM and SAFE Agile software development methodology and strong Dev Ops practices. You will be responsible for developing code, testing and debugging new software or enhancements to existing software. You will have a good understanding of business applic
Posted 59 days ago | Updated 9 hours ago

Software Developer Senior

Jacobs

•

Washington, District of Columbia, USA

Full-time

Amentum is searching for a Top Secret cleared Software Developer (Senior) to join our team in Washington, DC. As a Top Secret Software Developer for this program, you will be working in an organization that's mission is to develop and operate the best possible software for critical national security enterprise applications. This organization leverages SCRUM and SAFE Agile software development methodology and strong Dev Ops practices. You will be responsible for developing code, testing and debu
Posted 59 days ago | Updated 9 hours ago

Hybrid Mobile App Developer --- 100% Remote

Source Infotech

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Remote

Contract

Title: Hybrid Mobile App Developer Location: 100% Remote Duration: 6+ months contract IV: Phone and Video Note: Interviewer- Indian Need LinkedIn We are seeking a skilled and motivated Hybrid Mobile Application Developer to join our team. In this role, you will be responsible for integrating native device features into a cross-platform application built with .NET MAUI. You ll collaborate closely with Engineering, Architecture, and Quality Engineering teams to ensure the application meets functi
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Posted 1 day ago

Lead Software Engineer

Costar Group

•

Arlington, Virginia, USA

Full-time

Lead Software Engineer Job Description Overview 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 and
Posted 60+ days ago | Updated 9 hours ago

REMOTE:::.Net Backend Lead ( Trading Platforms) 10+ years - ONLY W2

FutureTech Consultants LLC

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Remote

Contract

Hello, Hope you are doing good, this is Hima from Appridat Solutions, LLC and I have a job opening with our direct client. Please have a look at the below job description and let me know your interest. Please share me the latest copy of your resume. Role: .Net Backend Lead Duration: Long term Remote role Mode of interview: Coding test + 30 mins video call Key Skills: C++, C#, .Net Core, AWS Cloud, Trading Platforms, Futures Commodity Commissions Market (FCM) platform, KYC, AML We are seeking a
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Posted 16 days ago

Full-stack Architect

Innova Solutions, Inc

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Remote

Contract

Let Volt help move you forward Volt is immediately hiring for Full-stack Architect in Remote As a Full-stack Architect, you will: Key responsibilities: Hands on Experience in C# .NET Core and CosmosDB.Hands on Experience in .NET, .NET Core Web Application Development, Web APIsGood to have experience in React, AngularJS, NodeJSIn-depth knowledge of Web Application Life CycleGood understanding of REST APIs, Data Structures.Must have knowledge on CI/CDGood debugging and analytical skills.Must know
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Posted 3 days ago

UiPath /RPA Developers / Fort Belvoir, VA

General Dynamics

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Fort Belvoir, 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: Agile Methodology, Robotic Process Automation, Software Development Life Cycle (SDLC), UiPath (Platform) Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Deliver simple solutions to complex problems as a U
Posted 60+ days ago | Updated 9 hours ago

System Engineer - Department of Defense

Esri

•

Vienna, Virginia, USA

Full-time

Overview In this position, you will implement advanced ArcGIS deployments, analyze and solve technical problems, and optimize performance and organization. You will consult with end users on advanced enterprise deployment, architecture, and integration topics. This team supports the Department of Defense and Intelligence Community clients. You will be part of a talented cross-functional team of dynamic and passionate engineers to deliver capabilities that enable our customers to make a differe
Posted 8 days ago | Updated 9 hours ago

.Net developer with Blue yonder, Catman, BY PMM

Invixon Technologies

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Remote

Full-time

#Hiring #.Net_Developer #C2C Hello Team, Please share me the profile at .Net developer with Blue yonder, Catman, BY PMM Brief JD BY PMM Technical knowledge on modules like Inventory, Product, Finance etc.Integration and customization experience in BY PMM applicationsWith hands on experience working in PL/SQLWith hands on experience working in C#, ASP.net, Rest API.BY CatMan related experience will be nice to have.
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Posted 1 day ago

Senior Lead AI Engineer

Capital One

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McLean, Virginia, USA

Full-time

Senior Lead AI Engineer Overview: At Capital One, we are creating responsible and reliable AI systems, changing banking for good. For years, Capital One has been an industry leader in using machine learning to create real-time, personalized customer experiences. Our investments in technology infrastructure and world-class talent - along with our deep experience in machine learning - position us to be at the forefront of enterprises leveraging AI. From informing customers about unusual charges t
Posted 60+ days ago | Updated 1 hour ago

SyteLine - Infor CloudSuite Industrial Consultant

KE Staffing

•

Remote

Contract

Looking for a Lead Developer with CSI and SyteLine experienceLead or Manager experience but needs to be hands-on in this roleNeeds to be Techno/FunctionalMust be customer facing / Business facing.Experience with Tickets.Net / C#, T-SQL Infor CloudSuite Industrial (SyteLine) Developer Infor OS, IDM, and IOM workflow i 5+ years of experience in Infor (CSI) / CloudSuite Industrial (SyteLine) development.Proficiency in Microsoft .NET technologies, including T-SQL, C#, and VB.Net.
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Posted 16 days ago | Updated 3 days ago

CRM Engineer/CRM Developer

TechWish

•

Sterling, Virginia, USA

Contract

Contractor - IT Engineer (CRM Engineer) Vienna, VA Need Local candidate only. Mandatory skills: Dynamics CRM, Dynamics 365, Power Apps, Power Automate, Canvas Apps, Azure, Power BI, C# Core Competencies: Strong working knowledge of CRM solutions and strategies, including development.Strong understanding of the range of and experience with built-in capabilities and options available in Microsoft Dynamics and the ability to make recommendations on how to best leverage those capabilities and opti
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Posted 60+ days ago | Updated 31 days ago

Senior Software Test Engineer (Back-End)

Precision System Design Inc.

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Remote or Cleveland, Ohio, USA

Contract

Our Fortune 100 client is hiring for a Senior Software Test Engineer to work on back-end, database and API automation testing. You'll focus on validating APIs, databases, and system integrations within a high-impact financial systems project. Strong C#, SQL, and automation experience required. The ideal candidates will have prior experience developing automation frameworks in C#. This role can be done fully remotely following an EST work schedule. Does this sound like something you'd like to hea
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Posted 2 days ago | Updated 22 hours ago

Cloud Infrastructure Architect

SAIC

•

Chantilly, Virginia, USA

Full-time

Job ID: 2506648 Location: CHANTILLY, VA, US Date Posted: 2025-07-01 Category: Information Technology Subcategory: Cloud Comp Engr Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC is a premier Fortune 500 mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfoli
Posted 10 days ago | Updated 7 hours ago