C# Jobs in Fairfax, VA

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Software Engineer (C#), Level 1

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: Parsons is looking for a Software Engineer (C#), Level 1 tosupport efforts based in
Posted 60+ days ago | Updated 2 hours ago

Early in Career Windows Software Engineer (C++, C#)

Rockwell Automation

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Remote or Phoenix, Arizona, USA

Full-time

Rockwell Automation is a global technology leader focused on helping the world's manufacturers be more productive, sustainable, and agile. With more than 28,000 employees who make the world better every day, we know we have something special. Behind our customers - amazing companies that help feed the world, provide life-saving medicine on a global scale, and focus on clean water and green mobility - our people are energized problem solvers that take pride in how the work we do changes the world
Posted 11 days ago | Updated 2 hours ago

Full Stack Developer (C# / .Net / JS / SQL / AWS)

Cymertek Corporation

•

Chantilly, Virginia, USA

Full-time

Full Stack Developer (C# / .Net / JS / SQL / AWS) 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 skilled and versatile Full Stack Developer to join our team, specializing in C#, .NET, JavaScript, SQL, and AWS. In this role, you will be responsible for building and maintaining robust, scalable applications across both the front-end and back-end. You will collaborate closely with cross-functional
Posted 60+ days ago | Updated 2 hours ago

Commodities Application Developer (C#, React, TypeScript) - AVP - Houston (Hybrid)

Citi

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Remote or Houston, Texas, USA

Full-time

The role is for a C# developer who will be working within a small team on Commodities Marking and Market Discovery Platform used by traders across the regions. We offer the opportunity to grow professionally, learn new technologies and gain business knowledge. Responsibilities: Develop the Platform using C# with an opportunity to learn React during WPF to React migrationWork directly with quants and traders to specify requirements and own deliveries and 3rd line support to provide daily communi
Posted 18 days ago | Updated 2 hours ago

Full Stack Developer (C# / .Net / JS / SQL / AWS)

Cymertek Corporation

•

Reston, Virginia, USA

Full-time

Full Stack Developer (C# / .Net / JS / SQL / AWS) 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 skilled and versatile Full Stack Developer to join our team, specializing in C#, .NET, JavaScript, SQL, and AWS. In this role, you will be responsible for building and maintaining robust, scalable applications across both the front-end and back-end. You will collaborate closely with cross-functional te
Posted 60+ days ago | Updated 2 hours ago

Application Developer

Accenture LLP

•

Chantilly, Virginia, USA

Full-time

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, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative
Posted 6 days ago | Updated 2 hours ago

Full Stack Developer (C# / .Net / JS / SQL / AWS)

Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Full Stack Developer (C# / .Net / JS / SQL / AWS) 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 skilled and versatile Full Stack Developer to join our team, specializing in C#, .NET, JavaScript, SQL, and AWS. In this role, you will be responsible for building and maintaining robust, scalable applications across both the front-end and back-end. You will collaborate closely with cross-functional te
Posted 60+ days ago | Updated 2 hours ago

Software Developer

Accenture LLP

•

Chantilly, Virginia, USA

Full-time

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, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative
Posted 7 days ago | Updated 2 hours ago

Sr. Software Developer - C#/WPF for UI/UX Development

Esri

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Remote

Full-time

Overview This is a great opportunity to join a fast-paced agile team that works with the latest technologies and patterns, asynchronous programming, and MVVM to design and develop next-gen Esri software. We are focused on designing and developing solutions for working with raster and imagery in ArcGIS Pro. Our tools support complex real-life workflows in 2D & 3D for raster / image processing and analysis. If you are excited about user interaction and user interface development, then join our cr
Posted 60+ days ago | Updated 2 hours ago

Senior Software Engineering (RPA - Automation Anywhere 360 & C# .NET)

Mastercard

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Remote or O'Fallon, Missouri, USA

Full-time

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest po
Posted 60+ days ago | Updated 2 hours ago

Senior Quality Engineer

Prospect Infosystem Inc

•

Arlington, Virginia, USA

Full-time, Part-time, Third Party, Contract

Top focuses: Automation Tester who also has experience with C# Development Local to Arlington, VA (onsite 2 days/week - will look at non-local who will relocate, but preference is local) Willing to complete the Glider technical assessment ASAP
Easy Apply
Posted 3 days ago | Updated 2 hours ago

Software Engineer

Cornerstone Defense

•

Chantilly, Virginia, USA

Full-time

Location: Chantilly, Virginia Type: Contract Job #3688 Title: Software Engineer 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
Posted 22 days ago | Updated 2 hours ago

Senior Software Engineer, Fullstack Developer (Hybrid/Reston, VA)

NACHA

•

Reston, Virginia, USA

Full-time

Department: Systems & Technology Location: Reston, VA (Hybrid) Status: Full-Time/Exempt Job Reports To: Associate Managing Director, Software Development Job Summary: We are seeking a highly skilled and experienced Senior Software Engineer with expertise in Full Stack development using .NET, Node.js, Angular, Azure SQL, Design Patterns, and Architecture. The ideal candidate will have a strong background in software development, a passion for technology, and a proven track record of delivering h
Easy Apply
Posted 30 days ago

Senior Product Engineer (LLMs/AI Agents)

Jobot

•

Washington, District of Columbia, USA

Full-time

100% remote role working at a Series A AI startup! This Jobot Job is hosted by: Brandon Bays Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $175,000 - $220,000 per year A bit about us: Location: 100% Remote Compensation: $175-220K base + equity Employment Type: Full-time We're working with a Series A LegalTech AI startup that's making major strides in modernizing enterprise law firms' deal processes through powerful backend infrastructur
Posted 23 hours ago | Updated 11 hours ago

Microsoft Solution Architect (.NET Development) with SQL Server Experience (MAXDOP)

ValUnion

•

Germantown, Maryland, USA

Third Party, Contract

Job Title: Microsoft Solution Architect (.NET Development) with SQL Server Experience (MAXDOP) Location: ( Union, NJ, Germantown, MD, Dallas, TX, Houston, TX ) Hybrid Job Type: contract Experience Level: Senior / Architect Level Job Summary We are seeking a highly experienced Microsoft Solution Architect with deep expertise in .NET Development and strong hands-on experience with SQL Server configuration and optimization, especially MAXDOP. The ideal candidate will be proficient in C#, .NET Fram
Easy Apply
Posted 3 days ago

Mid Level .NET Developer

Motion Recruitment Partners, LLC

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Arlington, Virginia, USA

Full-time

An established medical association based in Washington, DC is seeking a Mid-Level .NET Developer. This is a contract to hire hybrid position requiring two days onsite per week. You'll be working on their registry program using C#, ASP.NET, MVC, and SQL. This is a great opportunity for a developer who wants to build meaningful applications in the healthcare space. You'll play a key role in supporting national clinical registry systems that help improve patient care and drive medical research. If
Easy Apply
Posted 24 days ago | Updated 10 hours ago

Software Developer

SilverEdge

•

Reston, Virginia, USA

Full-time

Overview SilverEdge is a premier provider of innovative cyber, software, and intelligence solutions, addressing mission-critical challenges for the Department of Defense (DoD), Intelligence Community (IC), and beyond. We are dedicated to delivering impactful results to meet mission goals through cutting-edge technology and expertise. We are seeking a Software Engineer to join our dynamic team. This individual will play a pivotal role in developing innovative and effective solutions for our DoD
Posted 50 days ago | Updated 2 hours ago

Senior Software Engineer - CTJ - Poly

Microsoft Corporation

•

Reston, Virginia, USA

Full-time

Security represents the most critical priorities for our customers in a world awash in digital threats, regulatory scrutiny, and estate complexity. Microsoft Security aspires to make the world a safer place for all. We want to reshape security and empower every user, customer, and developer with a security cloud that protects them with end to end, simplified solutions. The Microsoft Security organization accelerates Microsoft's mission and bold ambitions to ensure that our company and industry i
Posted 5 days ago | Updated 2 hours ago

.NET Developer

Motion Recruitment Partners, LLC

•

Reston, Virginia, USA

Full-time

A nonprofit leader in the healthcare space, is seeking a talented Full-Stack .NET Developer for a long-term contract opportunity. Based in Reston, VA, this company is pioneering the future of medical imaging by advancing how MRIs are scanned and interpreted. You'll work with tools including .NET Core, Angular 8+, and AWS to build solutions that directly impact patient care and medical safety. You will use your software development skills to improve the way doctors diagnose and treat patients. Th
Easy Apply
Posted 10 days ago | Updated 10 hours ago

Senior Application Developer

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

We're working with a mission-driven organization in Washington DC that's looking to bring on a Senior Application Developer. The team is focused on delivering high impact tools and data driven products for the credit union industry. The tech stack includes C#, .NET, Angular 17, TypeScript, and SQL. This is a full-time hybrid role with four days a month onsite. This is a great role for someone who wants to work on meaningful products in a stable and collaborative environment. The team is small an
Easy Apply
Posted 45 days ago | Updated 10 hours ago