c# Jobs in fairfax, va

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

TixTrack

•

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 6 days ago

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
Posted 55 days ago | Updated 1 hour ago

Avaya Sr. Software Engineer (Must have Federal Clearance) ,

Ventures Unlimited

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Remote

Full-time

Position:- Avaya Sr. Software Engineer (Must have Federal Clearance) , Location:- Remote , Duration:- Full time Position, Job Description: Must Have Technical/Functional Skills Configuring and Troubleshooting Avaya communication systemExperience with Avaya tools: CMS supervisor. Roles & Responsibilities Proficiency in managing, configuring and Troubleshooting Avaya communication systemExperience in in enterprise telephony and contact centers and unified systemsExperience with Avaya tools :
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Posted 10 days ago | Updated 4 days 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 18 days ago

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
Posted 60+ days ago | Updated 1 hour 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 4 days ago | Updated 11 hours ago

Software Engineer II - Business Intelligence

Mastercard

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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
Posted 6 days ago | Updated 1 hour ago

NET Developer

LinTech Global Inc.

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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
Posted 13 days ago | Updated 10 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 10 days ago

COE - Lead Architect

QualiTest

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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 Lead Architect to join our growing team in United States! Required Skills and Qualifications: 10+ years of experience in full-stack software development. Deep expertise in Java, Spring Boot, REST APIs, and microservices architecture. Strong profi
Posted 23 days ago

Sr Java Developer

QualiTest

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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
Posted 24 days ago

AIM Team - Developers

Tential

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Remote or Santa Fe, New Mexico, USA

Full-time

Responsibilities: Collaborate with cross-functional teams to gather and analyze software requirements, translating them into efficient and scalable technical solutions. Design and develop responsive web applications using the .NET framework, including both front-end and back-end components. Create intuitive user interfaces with modern front-end technologies such as HTML5, CSS3, JavaScript, and frameworks like Angular, React, or Vue.js. Build robust and scalable APIs and backend services using
Posted 11 days ago | Updated 10 hours ago

PowerBuilder

Altezzasys

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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
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Posted 4 days ago

Need Blockchain Developer - Remote

Radiantze

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Remote

Contract, Third Party

Job Details Senior Blockchain Developer Location: Remote - USA Long term contract We are seeking an experienced Blockchain Engineer. The ideal candidate will have experience working with Blockchain and Ethereum, including experience in Go, C# and other OOP languages. As a Blockchain Engineer, you will primarily work on blockchain-related projects, Designing and implement Smart Contracts using Solidity.Additionally you may also be tasked to work on back-end micro services using Go, .Net and SQL a
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Posted 3 days ago

Sr Full Stack Software Engineer

PANGIAM a BigBear.ai Company

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Remote

Full-time

Join BigBear.ai's world-class product engineering team as a Senior Full Stack Software Engineer and play a key role in redefining the future of simulation technology. We re a leading provider of advanced simulation tools that transform business processes across supply chain logistics, manufacturing, life sciences, healthcare, and more. In this role, you ll take the lead on developing our data ingestion service, an essential component of our next-generation simulation application. Our platform le
Posted 6 days ago | Updated 5 days ago

Integration Specialist (Healthcare)

R Systems, Inc.

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Remote

Part-time, Third Party

Job Title: Integration Specialist Location: Sacramento, CA (Remote) Job Type: Long Term Contract About R Systems: R Systems is a global leader in technology and analytics services, delivering innovative solutions to drive digital transformation across industries like Telecom, Banking, Healthcare, and Public Services. With over 4,400 professionals in 25+ countries, we are committed to helping our clients achieve operational excellence and enhanced customer experiences. We are proud to be Great P
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Posted 10 days ago

Software Development Engineer

American Systems Corporation

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Remote or Arlington, Virginia, 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 As a Software Development Engineer with AMERICAN SYSTEMS you will have the opportunity to do the following: Database Architecture and Development: Design, develop, and implement robust database architectures, in
Posted 55 days ago | Updated 1 hour ago

Cloud Solutions Architect

Akima, LLC

•

Herndon, Virginia, USA

Full-time

Designs and develops IT applications. Develops enterprise-level applications and custom integration solutions including major enhancements and interfaces, functions and features. Uses a variety of platforms to provide automated systems applications to customers. Provides expertise regarding the integration of applications across the business. Determines specifications, then plans, designs, and develops software solutions, utilizing appropriate software engineering processes either individually o
Posted 53 days ago | Updated 1 hour ago

Full Stack Developer

Endava

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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
Posted 16 days ago

SyteLine - Infor CloudSuite Industrial Consultant

KE Staffing

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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 10 days ago