c# Jobs in fairfax, va

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Data Systems Engineer

Leidos

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

Sr Java Developer

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! Qualifications: 8+ years of experience in full-stack software development. Deep expertise in Java, Spring Boot, REST APIs, and microservices architecture. Strong proficiency in Reac

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

FutureTech Consultants LLC

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

Full Stack .NET Developer

Harmonia Holdings Group, LLC.

Washington, District of Columbia, USA

Full-time

Harmonia Holdings Group, LLC is an award-winning, rapidly growing federal government contractor committed to providing innovative, high-performing solutions to our government clients and focused on fostering a workplace that encourages growth, initiative, creativity, and employee satisfaction. Position: Full Stack .NET Developer Location: Washington DC - Fully Onsite Clearance: Top Secret with SCI We have an exciting opportunity for a Full Stack .NET Developer to join our team. The ideal candid

PowerBuilder

Altezzasys

Remote

Full-time, Third Party

Job Title:- PowerBuilder Remote Full-Time Job Description:- PowerBuilder 2019 to 2022 experience Sybase / SQL experience Good communication skills Able to give specific examples of things they ve done Personality that will mesh with mine Demonstrates wanting to do things the right way Nice to have: Local to the Addison office (but will take remote) C# of other object oriented programming experience Converting from PowerBuilder to c# Overview The PowerBuilder Software Development Analyst II works

Full Stack Developer

Endava

Remote

Full-time

What You Will DoDevelop and maintain high-quality full-stack web applications using Vue.js and .NET Core web API.Ensure the technical feasibility of UI/UX designs.Optimize application and API for maximum speed and scalability.Troubleshoot and debug issues as they arise.Ensure adherence to best practices and industry standards.Collaborate with cross-functional teams to gather requirements and translate business needs into technical solutions.Implement backend functionalities and business logic to

Power BI Developer (U.S. Customs and Border Protection)

LMI Government Consulting (Logistics Management In

Washington, District of Columbia, USA

Full-time

Overview LMI is seeking an experienced and skilled Power BI application developer to assist business users across the organization in development of skills and solutions support a federal program management office (PMO) charged with planning, acquiring, and managing the deployment and operation of technology and capabilities to keep our borders safe. We are seeking energetic self-starters who are focused on practical and efficient solutions delivered by an interdisciplinary, collaborative team.

Principal Systems Engineer (Cloud)

Navy Federal Credit Union

Vienna, Virginia, USA

Full-time

Overview To provide comprehensive technical leadership in translating Navy Federal strategies into effective IT and business capabilities through the planning, design, implementation, and integration of IT systems and services. Define and drive business transformation efforts by minimizing architectural and operational risk, and by providing proven technical solutions to business challenges. Work is performed under limited supervision. Responsibilities Develop target solutions ensuring the integ

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

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.

Software Engineer / Systems Administration

Lockheed Martin Corporation

Springfield, Virginia, USA

Full-time

Job Description Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We're creating future-ready solutio

Software Engineer, Lead - TOP SECRET Clearance w/SCI Eligibility Required

American Systems Corporation

Washington, District of Columbia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS! As a Senior Software Engineer with AMERICAN SYSTEMS you will have the opportunity to do the following: Work across cloud and on-premises environments using the lat

Senior .Net Full-stack Lead/ Architect

Fiekon

Remote

Contract

Title: Senior .Net Full-stack Lead/ Architect Duration: 6+months Location; Remote We are seeking a seasoned Senior Full-Stack Lead/ Architect. who is passionate about building robust, scalable, and innovative solutions. The successful candidate will engage directly with the business to deeply understand unique challenges and drive end-to-end solutions from design through delivery, while mentoring team members and promoting software excellence. Responsibilities: Analyze business requirements to

.Net Developer with Healthcare development

Millennium Software, Inc.

Remote

Full-time

For our Detroit based client we require .Net Developer with extensive healthcare project development experience Required Skills and Experience: Experience developing enterprise applications using .NET technologies (C#, ASP.NET, .NET Core). Hands-on experience with Medicaid systems or large-scale healthcare IT projects. Proven experience with relational databases (SQL Server, Oracle) and advanced SQL development. Demonstrated leadership in technical design, code reviews, and mentoring. Experience

.Net Backend Architect / Only on W2

FutureTech Consultants LLC

Remote

Contract

Hi, Hope you are doing good, this is Rajeev from FutureTech Consultants, 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 Architect Location: Remote Duration: Long Term Contract Mode of Interview: Coding Test + 30 mins video call Must Have Skill: C++, C#, .Net Core Architecture, AWS Cloud, Trading Platforms, Futures Commodity Commissions Market (F

Investran Developer

Benvia

Remote

Contract, Third Party

Title: Investran Developer Location: Remote supporting CST Hours Duration; 12 Months Rate: Negotiable No of positions; 2 Position Overview: As an Investran Developer, you will play a crucial role in designing, developing, and maintaining our Investran software platform. Investran is a comprehensive software suite tailored for private equity fund administrators and investment managers, enabling them to efficiently manage their investment lifecycle, fund accounting, investor reporting, and more. Y

Software Engineer II - Business Intelligence

Mastercard

Arlington, Virginia, 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

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

NET Developer

LinTech Global Inc.

Washington, District of Columbia, USA

Full-time

LinTech Global Inc. is recruiting for a .NET Developer to support our contract at the USPSOIG in Arlington, Virginia working fulltime remote from home. Position Overview: Expert applications developer with robust technical design capabilities including experience implementing design patterns such as MVC and MVP Works collaboratively with a development team to transform business requirements into a technical solution Ability to work independently in the writing and support of complex applicat

.Net Developer with Medicaid

Millennium Software, Inc.

Remote

Full-time

For our Detroit based cleitn we require .Net Developer with Medicaid related application development experience. Required Skills and Experience: Experience developing enterprise applications using .NET technologies (C#, ASP.NET, .NET Core). Hands-on experience with Medicaid systems or large-scale healthcare IT projects. Proven experience with relational databases (SQL Server, Oracle) and advanced SQL development. Demonstrated leadership in technical design, code reviews, and mentoring. Experienc