C# Jobs in Columbia, MD

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Senior Web Application Penetration Tester

Costar Group

Arlington, Virginia, USA

Full-time

Senior Web Application Penetration Tester Job Description 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 world of real est

Gameplay Software Engineer II

BCforward

Remote

Contract

Gameplay Software Engineer II BCforward is currently seeking a highly motivated Gameplay Software Engineer II for a REMOTE opportunity. Position Title: Gameplay Software Engineer II Location: PST preferred - remote Anticipated Start Date: July 24, 2025 Please note this is the target date and it is subject to change. BCforward will send official notice ahead of a confirmed start date. Expected Duration: 06 Months Job Type: Contract - [FULL TIME (40 Hours a week)] Pay Range: $70.73/hr-$75.4

CNO Software Engineer TS/SCI FSP

Mission Box Solutions

Laurel, Maryland, USA

Full-time

Our client is seeking a Software Engineer to provide technical expertise in support of a U.S. Government customer. This full-time position offers the opportunity to assist in sustaining mission-critical software and systems for a large government contract. Responsibilities: Support the innovation team within the CNO's Foundational Services product group, working alongside experienced analysts, operators, and developers.Add new functionality to a large-scale microservice ecosystem.Automate manua

Internal Application Developer

Summit Racing Equipment

Remote

Full-time

This position is able to be a remote work from home position. Must live in Florida, Georgia, Nevada, Ohio, Tennessee or Texas to be considered. SUMMARY Developers are responsible for collaborating in a team-oriented environment to define requirements, design, develop, and maintain software applications. They must be capable of critical thinking and have good problem-solving and communication skills. They also must also demonstrate dedication to continuous learning and staying up to date with eme

DevOps Engineer - TS/SCI w/Polygraph

General Dynamics

McLean, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Engineering Job Qualifications: Skills: DevOps, DevSecOps, Git, Kubernetes, Linux Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Ensure the safety and security of our nation as a Systems Engineer (DevOps) at GDIT. Our wo

Software Engineer, Lead

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. THIS POSITION INCLUDES A $5,000 SIGN-ON BONUS! Responsibilities As a Lead Software Engineer with AMERICAN SYSTEMS you will have the opportunity to do the following: Work across cloud and on-premises environments using the lates

C#/Javascript/SQL Server Fullstack Developer

Case Interactive

Remote

Full-time

Title: Software Application Developer Job Description: We are seeking a talented and motivated Software Developer to join our fully remote team. This role involves working with our proprietary full-stack in-house development platform and low-code language to build and maintain database-driven web applications. While experience with our in-house platform and language is not expected, candidates should have a strong background in UI development and database architecture. As part of an agile develo

Sr. Developer

Canyon Associates

Remote

Full-time

Remote position is mandatory C# Oracle preferred, Sql Server is a plus asp.net front end UI experience Blazor experience is preferred Will see Javascript experience Must have web applications, Winforms experience is a plus

.Net Backend Architect (Remote)

Neo Prism Solutions, LLC

Remote

Contract

Job Title: .NET Backend Developer with Azure Remote Job Description: We are looking for a .NET Backend Developer with experience in Microsoft Azure. The candidate should be skilled in C#, .NET Core, and building APIs. Experience with Azure services like App Services

IT Developer

Tri-Force Consulting Services Inc

Remote

Contract

Title: IT Developer Duration: 12 Months Client: Judicial Council of California Note: Remote role Job Description:5 + years of Hands-on experience with multiple languages and technologies: Dotnet Core, C#, Angular, , RESTfulAPI, Microservices, SOAP-based Webservices, XML, XLST, XSD, XPath, SQL, , HTML, and JSON. 5+ years of proven track record designing and developing enterprise and scalable systems, such as multi-tier, distributed, and web-based system design and development principles and int

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

Application Developer (UNITED STATES CITIZEN OR PERMANENT RESIDENT; ONSITE - SUITLAND, MD)

Soft Tech Consulting Inc

Suitland-Silver Hill, Maryland, USA

Full-time

UNITED STATES CITIZEN OR PERMANENT RESIDENT FOR PERMANENT RESIDENT - MUST HAVE BEEN IN THE U.S. FOR A MINIMUM OF 3 CONSECUTIVE YEARS ONSITE - SUITLAND, MD MUST BE ABLE TO OBTAIN PUBLIC TRUST SALARY IS DEPENDENT UPON THE CANDIDATE S SKILLS, EXPERIENCE, EDUCATION AND CERTIFICATIONS SALARY RANGE: $75K to $90K HIGH END OF THE SALARY RANGE IS CONSIDERED FOR THOSE WHO EXCEED QUALIFICATIONS IN A REQUIRED AREA Soft Tech offers competitive BENEFITS in the areas of: MEDICAL, DENTAL, VISION, 401K, Short T

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

2025 PhD Graduate - Intelligent Autonomous Systems and Artificial Intelligence Engineer

Johns Hopkins University AppliedPhysicsLaboratory

Laurel, Maryland, USA

Full-time

Description Are you passionate about innovating new technologies to influence and shape our Nation's future security and preeminence? Are you excited about working on multi-disciplinary teams to innovate the state-of-the-art in autonomous systems, artificial intelligence, software design, embedded systems, virtual reality, simulation and/or uncrewed air platforms? Are you interested in applying your skills to conceive, design, prototype and test new capabilities in intelligent autonomous syst

Secret Cleared Microsoft PowerApps/Dynamics Developer

ALTA IT Services

Arlington, Virginia, USA

Full-time

Job Title: Secret Cleared Microsoft PowerApps/Dynamics Developer Location: Arlington, VA Type: Contract To Hire Compensation: 130-160K Contractor Work Model: Onsite Security Clearance: Secret clearance is required Job Description: ALTA IT Services is seeking a Microsoft PowerApps/Dynamics Developer! You will join a team that uses PowerApps and Dynamics 365 to develop and deploy applications in our Dynamics/365 environment (Azure GCC). You'll provide software engineering and development support

Full-stack Architect

Innova Solutions, Inc

Remote

Contract

Let Volt help move you forward Volt is immediately hiring for Full-stack Architect in Remote As a Full-stack Architect, you will: Key responsibilities: Hands on Experience in C# .NET Core and CosmosDB.Hands on Experience in .NET, .NET Core Web Application Development, Web APIsGood to have experience in React, AngularJS, NodeJSIn-depth knowledge of Web Application Life CycleGood understanding of REST APIs, Data Structures.Must have knowledge on CI/CDGood debugging and analytical skills.Must know

Sr. Microsoft Dynamics 365 CRM Developer - W2 Position

Valcan IT Inc

Remote

Contract

Job Title: Sr. Microsoft Dynamics 365 CRM Developer Location: Remote Job Type: Contract We are looking for a skilled Microsoft Dynamics 365 CRM professional to design, implement, customize, and support solutions built on the Dynamics 365 Customer Engagement (CE) platform. The ideal candidate will have deep experience with Microsofts CRM modules and a strong understanding of business processes in areas such as sales, marketing, customer service, and field service. Required Qualifications: Bachelo

.Net developer with Blue yonder, Catman, BY PMM

Invixon Technologies

Remote

Full-time

#Hiring #.Net_Developer #C2C Hello Team, Please share me the profile at .Net developer with Blue yonder, Catman, BY PMM Brief JD BY PMM Technical knowledge on modules like Inventory, Product, Finance etc.Integration and customization experience in BY PMM applicationsWith hands on experience working in PL/SQLWith hands on experience working in C#, ASP.net, Rest API.BY CatMan related experience will be nice to have.

Software Developer - Junior

Jacobs

Washington, District of Columbia, USA

Full-time

As a Top Secret Software Developer for this program, you will be working in an organization that's mission is to develop and operate the best possible software for critical national security enterprise applications. This organization leverages SCRUM and SAFE Agile software development methodology and strong Dev Ops practices. You will be responsible for developing code, testing and debugging new software or enhancements to existing software. You will have a good understanding of business applic

Software Developer Senior

Jacobs

Washington, District of Columbia, USA

Full-time

Amentum is searching for a Top Secret cleared Software Developer (Senior) to join our team in Washington, DC. As a Top Secret Software Developer for this program, you will be working in an organization that's mission is to develop and operate the best possible software for critical national security enterprise applications. This organization leverages SCRUM and SAFE Agile software development methodology and strong Dev Ops practices. You will be responsible for developing code, testing and debu