C# Jobs in Fairfax, VA

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Senior Software Developer (cleared)-61525

Syneren Technologies

Alexandria, Virginia, USA

Full-time

Job Title: Sr. Software Developer (Full-Stack) Job Location: Alexandria, VA. (Onsite) Job Description: Syneren is seeking a skilled and visionary Sr. Software Developer to lead our software development team to design robust solutions within the Microsoft Azure ecosystem to help modernized legacy application to the newest technology and approach available in the Azure Cloud. As a Sr. Software Developer, you will play a critical role in shaping our cloud infrastructure, ensuring scalability, secur

NCIS SharePoint Developer | Active TS/SCI clearance

General Dynamics

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

Mobile Device Developer

Robert Half

Remote or Madison, Wisconsin, USA

Contract

Description We are seeking a highly skilled Senior Mobile Developer to join a dynamic development team working on a next-generation mobile application. This is a contract role with an immediate start, focused on building and enhancing a cross-platform app using .NET MAUI. The app includes an innovative image recognition feature to support the collection of vehicle damage data. Key Responsibilities: Design and implement new mobile application features using .NET MAUI, C#, and XAML.Integrate an i

Homes.com - Senior Data Engineer

Costar Group

Arlington, Virginia, USA

Full-time

Homes.com - Senior Data Engineer Job Description Job Description 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 esta

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

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

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

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

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

Senior App Developer

Kforce Technology Staffing

Remote or Dallas, Texas, USA

Contract, Third Party

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

Technical Project Manager || Remote || Need candidate with State client experience background

Rudra Enterprise LLC

Remote or Irving, Texas, USA

Contract

This is a remote position. Position- Technical Project Manager Location- 100% Remote Duration- 280 hours (around 2 months) Target Pay Rate to you: $95/hr C2C ESSENTIAL FUNCTIONS: ?Project Management: Lead the end-to-end management of Mainframe Transformation and Azure-based technical initiatives. ?Stakeholder Engagement: Facilitate communication between technical teams, business units, and leadership to ensure alignment. ?Technical Oversight: Understand and manage technical solution roadmaps

Data Integration Engineer

Genzeon

Remote

Full-time

About Genzeon Delivering excellence in IT services and solutions for the retail and healthcare sectors. Genzeon is a leading provider of intelligent automation, security, compliance, cloud, and managed services. Our healthcare capabilities integrate data systems, facilitate information flow, and leverage interoperability to improve clinical and operational outcomes. Genzeon empowers retail enterprises with multichannel IT solutions that deliver a personalized experience for consumers. Genzeon ha

Senior QA Analyst

Kforce Technology Staffing

Remote or Jacksonville, Florida, USA

Contract

RESPONSIBILITIES: Kforce has a client in Jacksonville, FL that is seeking a Senior QA Analyst to join a dynamic sprint team. This individual will play a key role in enhancing and maintaining automated testing frameworks while contributing to monthly deployments. Duties: * Senior QA Analyst will design, develop, and maintain automated test frameworks for UI and APIs using C#, .NET, and NUnit * Write and execute SQL queries to support complex test validations * Collaborate closely with developers

Controls System Engineer (hybrid)

Johnson Controls, Inc.

Remote or Glendale, Wisconsin, USA

Full-time

What you will do Johnson Controls is hiring a Controls Systems Engineer to apply technology and control theory, thermodynamics and heat transfer to develop models, algorithms, control sequences and system solutions for Building Automation systems (BAS) and commercial HVAC equipment control. You will be responsible for the implementation and test of control applications for commercial HVAC systems (air side and water side) and standalone equipment. This position is based onsite at our new Innova

Software Engineer

General Motors

Remote

Full-time

Job Description Develop and design software applications for driverless technology company. Duties may include: Design and implement scalable automation tools for test creation, data collection and analysis, debugging, and performance monitoring. Own the software architecture of the Motion Planning and Controls Stack. Work closely with domain experts in creating an efficient and performant framework for implementing Controls and Motion Planning algorithms that control the AV Design and implement

Test Automation Engineer (Hardware Network)

Aduril Industries

Reston, Virginia, USA

Full-time

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Application Configuration Engineer

Zachary Piper Solutions, LLC

Remote

Full-time

Piper Companies is seeking a Application Configuration Engineer who can manage and support application systems in a highly regulated environment. The application configuration will be remote based in RTP, NC . Requirements for the Application Configuration Engineer include: - Manage and support application configuration through data management, reporting, and system modification - Develop and maintain systems components such a code tables, user-defined fields, and support data loads and migrati

Software Engineer I

Sierra Nevada Corporation

Remote or Southern Pines, North Carolina, USA

Full-time

Do you enjoy developing new products and services? Join us! Our Software Engineers work in an agile, collective environment. You will be using your skills and expertise to define, design, develop, test, certify and improve cutting-edge software products. These cover a very wide range from advanced mission payloads and electronic systems through highly integrated aircraft to orbital and space exploration systems. You'll perform coding, debugging, testing, and troubleshooting of systems and softwa

Application Developer

Xoriant Corporation

Remote

Contract

Job Title: Application Developer Location: Remote, USA Duration: 6+ months contract Overview: Responsibilities: The Application Developer utilizes minimum requirements to develop technology solutions for the Mortgage Servicing platform using a cloud solution and Microsoft technologies, utilizing services from our cloud service provider. Will write high quality code to create complex business applications; test software during development; perform quality assurance and user acceptance testing; p

Dot Net Architect with Facets

Talent Groups

Remote

Contract

Job Summary: We are looking for a highly skilled .NET Architect/Tech Lead with strong hands-on experience in Facets to lead the design, development, and implementation of healthcare payer systems. The ideal candidate will have deep knowledge of healthcare domain, particularly claims processing, member enrollment, billing, and provider modules in Facets, coupled with strong technical architecture skills in the .NET ecosystem. Key Responsibilities: Lead architecture, design, and development of en