C# Jobs in Fairfax, VA

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Senior Software Engineer

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

A fast-growing startup based in Ballston, VA, specializing in retail energy sales and digital petition tracking is looking for a mid-to-senior Full-Stack Developer with strong skills in .NET and React for a full-time position. You'll be working primarily onsite four days per week in their Ballston office, with flexible hours and a casual, tech-startup atmosphere. This company has built an ecosystem of digital tools used by energy reps in the field and they've recently expanded into the political
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Posted 11 days ago | Updated 9 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
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Posted 46 days ago | Updated 9 hours ago

Applications Developer-

SilverEdge

•

Chantilly, 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 Applications Developer to join our dynamic team. This individual will play a pivotal role in developing innovative and effective solutions for our
Posted 40 days ago | Updated moments ago

Software Engineer

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

A leading real estate investment trust based in Arlington, VA is hiring a full-time, senior-level software engineer to help rebuild its digital and data platform from the ground up. This is a hybrid position with 1-3 days onsite per month. You'll be working with modern technologies including C#, .NET Core, Angular, TypeScript, and AWS. This is a rare chance to join a complete digital transformation from the ground up at a massive scale. The company is overhauling its legacy systems and building
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Posted 30 days ago | Updated 9 hours ago

Senior Software Engineer

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

A national non-profit in the education/higher education admission process is hiring a Senior Software Engineer. This will be a remote position but the candidate must be able to work EST and living in the United States. This position plans, develops, modifies, and tests software components using .NET technologies within an Amazon Web Service and Agile development environment to create new products and enhance existing software systems. You'll be working with C#, .NET Core, Angular 8+ and working
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Posted 7 days ago | Updated 9 hours ago

Software Developer

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

A mission-driven research and data organization headquartered in Arlington, VA is seeking a Software Developer to join their growing Technology Solutions team. This is a hybrid role. This full-time position is focused on building, testing, and deploying scalable, data-centric applications and APIs that directly support national initiatives in education, health, and workforce policy. You'll use technologies like C#, .NET, SQL, and AWS in a collaborative, agile environment. This role is a unique o
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Posted 35 days ago | Updated 9 hours ago

Senior Software Engineer - Level 7

PTR Global

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Arlington, Virginia, USA

Full-time

Senior QA Engineer - 45361-1 Arlington, VA - Onsite from Day One 2+years contract Ideal Candidate Qualifications: 6+ years of experience as a QA Engineer, Software Engineer in Test, Test Automation Engineer or Developer, leveraging software QA tools and processes 4+ years of experience with a variety of different testing techniques such as test planning, UI testing, automated testing, analytic testing, or test-driven development strategies. 4+ years of experience with C#, React/Redux, Seleni
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Posted 1 day ago | Updated 10 hours ago

Software Engineer

Accenture LLP

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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 8 days ago | Updated moments ago

Software Engineer

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

We're working with a cybersecurity-focused organization based in Reston, VA that's building software and biometric solutions used in global security efforts. This is a full-time, onsite Software Engineer role working on microservices-based systems designed for real-time threat detection and identity screening. The tech stack includes C#, .NET/.NET Core, SQL, and React. You'll be working across both new development and ongoing enhancements to existing systems. This is a great opportunity for some
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Posted 45 days ago | Updated 9 hours ago

Software Developer

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

A leading healthcare technology company located in Arlington, VA is seeking a Software Engineer to join their innovative team focused on improving the efficiency and accuracy of healthcare claims processing. This is a full-time hybrid position. You'll work on a modern, cloud-based application built with Angular 8, .NET Core, and AWS, contributing to ongoing feature enhancements, system modernization, and new functionality. This role offers the chance to make meaningful contributions to a tech-dr
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Posted 36 days ago | Updated 9 hours ago

Offensive Software Developer

Parsons Services Company

•

Fort Belvoir, Virginia, 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 an amazingly talented Offensive Software Developer to join ou
Posted 27 days ago | Updated moments ago

Data Systems Engineer

Leidos

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Chantilly, Virginia, USA

Full-time

Description 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 mult
Posted 6 days ago | Updated 8 hours ago

Offensive Security Engineer

Costar Group

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Arlington, Virginia, USA

Full-time

Offensive Security Engineer Job Description Offensive Security Engineer 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 w
Posted 1 hour ago

Senior .NET Developer

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

A nonprofit organization located in Georgetown DC is hiring a Senior .NET Developer for a six-month contract to hire opportunity. This is a hybrid role requiring two days onsite each week. The position focuses on technologies including C#, ASP.NET, MVC, and SQL Server. Candidates should be comfortable owning projects from planning to deployment while working closely with both technical teams and business stakeholders. This role offers the chance to contribute to a mission driven environment wher
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Posted 60+ days ago | Updated 9 hours ago

Software Engineer

Costar Group

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Arlington, Virginia, USA

Full-time

Software Engineer Job Description CoStar Realty Information, Inc. seeks a Software Engineer to design and build distributed API-driven user systems. Produce robust, efficient, and maintainable code using object-oriented programming languages. Drive and maintain software design, development standards, and code reviews. Evaluate emerging technologies to identify opportunities, trends, and best practices that can be leveraged to strengthen CoStar's technology platform and develop standard practic
Posted 11 days ago | Updated 1 hour ago

Senior Application Developer

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

A full-time Senior .NET Application Developer is needed to help build a healthcare safety app used by hospitals during critical events. This is a fully remote position. You'll be working with C#, .NET Core, Angular 12, Typescript, SQL, and REST APIs on a system currently in Google Cloud, soon migrating to Azure. If you're the kind of engineer who wants your work to mean something, this is the role for you. You'll be building software that hospitals rely on when every second counts-responding to
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Posted 57 days ago | Updated 9 hours ago

Software Engineer in Test

Jobot

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Rockville, Maryland, USA

Full-time

A rapidly growing 500 person Bio-tech company is currently looking for multiple Software Engineers in Test!! This Jobot Job is hosted by: Ryan Sullivan Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $100,000 - $130,000 per year A bit about us: A mid-sized 900 person Bio-tech company is currently hiring for multiple Software Engineers in Test at all level to join their rapidly growing engineering team! The company does a mix of manual and a
Posted 3 days ago | Updated 10 hours ago

Dotnet Developer

AaraTechnologies Inc

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Remote or Washington, District of Columbia, 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
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Posted 7 days ago

Senior Software Developer

Parsons Services Company

•

Fort Belvoir, Virginia, 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 an amazingly talented Sr. Software Developer to join our team
Posted 6 days ago | Updated moments ago

.NET Developer

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

A leading global trade association based in Alexandria, VA is seeking a .NET Developer to join their growing IT team. This is a full-time onsite position with 10 remote workdays per quarter. This role focuses on developing and maintaining enterprise web applications using C#, .NET, ASP.NET MVC, SQL, and CRM systems. The ideal candidate will have 5+ years of hands-on development experience, solid database and back-end skills, and a collaborative mindset to help deliver technology solutions used b
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Posted 60+ days ago | Updated 9 hours ago