C# jobs in Columbia,_MD

Remote

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Today

Position Title: Senior DevOps Engineer C#/.NET & Automation Position Overview We are seeking a Senior DevOps Automation Engineer with software development background to design, develop, and maintain deployment automation solutions and reusable CI/CD frameworks. The role combines software engineering principles with DevOps practices to improve deployment efficiency, reliability, scalability, and automation across application environments. Required Qualifications Strong hands-on experience with De

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Full-time

$60,000 - $140,000

Full Stack Software Developer with C#/.NET Expertise

McLean, Virginia

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Today

Job Title: Full Stack Software Developer with C#/.NET Expertise Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local * * * Bring your expertise and sense of urgency to a team performing mission critical work. Within this team and supporting our product, you will have a direct hand in shaping requirements and expectations for current and fut

Full-time

USD 90,300.00 - 189,600.00 per year

C#/.Net Software Engineer

Hybrid in North Bethesda, Maryland

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19d ago

C#/.Net Software Engineer Rockville, MD hybrid (2 days a week onsite) $105-110K This is an engineering role that works as part of the software engineering team towards the development and deployment of enterprise and informatics software systems to support cancer clinical trials and research. The role provides a strong career growth opportunity in an innovative technology environment working in one of our nation's premier research organizations. Responsibilities: Manage individual task prior

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Full-time

Depends on Experience

Lead .Net Full Stack Developer

McLean, Virginia

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22d ago

Job Summary 7+ years of software development experience. Strong coding experience in any of these languages (C# and .Net), Unit testing, REST API designStrong React / TypeScript / Next.js 15 App Router, RTK Query, Tailwind CSS, component library patternsExperience integrating with ERP systems (Microsoft Dynamics NAV / Business Central strongly preferred)Proven experience designing real-time systems (SignalR, WebSockets, or equivalent)OpenAPI/Swagger specification authoring and API contract-first

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Contract

$60 - $70

Senior Solution Architect C#/.NET, React, Microservices & Cloud Modernization (ONLY W2)

Remote

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Today

Senior Solution Architect C#/.NET, React, Microservices & Cloud ModernizationLocation: Remote Employment Type: Contract W2 Duration: 6+ Months Experience Required: Not specified in the JD. Job OverviewWe are seeking an experienced Solution Architect with strong expertise in C#, .NET, React, Microservices, Cloud Technologies, Security, and DevOps. The candidate will be responsible for defining solution architecture, leading hybrid modernization initiatives, and delivering scalable, secure, and

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Contract

Depends on Experience

Senior Fullstack Developer (C#, AWS, Angular)

Remote or Hybrid in Cleveland, Ohio

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Today

Precision is seeking a Senior Full Stack Developer for a contract position supporting our Fortune 100 client. This fully remote role requires work during Eastern Time business hours and focuses on building and supporting software across the UI, backend, APIs, databases, and cloud. You will develop with C#/.NET and Angular while designing APIs and microservices. Strong AWS experience is essential, including DynamoDB, SQS, SNS, S3, Lambda, and Terraform. The role also includes technical documentat

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Contract

DOE

Senior DevOps Engineer | C#/.NET | CI/CD | PowerShell

Remote

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5d ago

Senior DevOps Engineer C#/.NET & Automation Remote Role Fulltime/W2-Infinite Computer Solutions Position OverviewWe are looking for a Senior DevOps Engineer with strong C#/.NET development experience to build and enhance CI/CD pipelines, deployment automation tools, and reusable automation frameworks.This role is ideal for someone who combines software engineering expertise with DevOps practices to streamline deployments, improve efficiency, and deliver scalable automation solutions.Key Respons

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Full-time

Up to $120,000

Senior DevOps Engineer - .NET/C#/CI/CD & Automation

Remote

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4d ago

Job Title: Senior DevOps Engineer C#/.NET & Automation Type: Full Time/W2 with Infinite Computer Solutions Position Overview We are seeking a Senior DevOps Automation Engineer with software development background to design, develop, and maintain deployment automation solutions and reusable CI/CD frameworks. The role combines software engineering principles with DevOps practices to improve deployment efficiency, reliability, scalability, and automation across application environments. Required

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Full-time

1,20,000 - 1,30,000

Senior Fullstack Developer (C#, AWS, Angular)

Remote or Hybrid in Cleveland, Ohio

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Today

Easy Apply

Contract

DOE

.NET Web Developer

Hybrid in Rockville, Maryland

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Yesterday

Job Title: .NET Web Developer Location: Rockville MD Job Type: Contract Client: Direct Client (Government) Degree Certificates are mandatory to Submit. About the Role The Contractor will provide qualified technical staffing support to the Client's Applications Team. Responsibilities include application development, modernization, enhancement, maintenance, requirements gathering, and technical documentation for existing and legacy systems planned for replacement or upgrade. The role will suppo

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Third Party, Contract

Depends on Experience

OpenLink Endur Developer / Specialist (.NET / C#)

Remote

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5d ago

Position OverviewWe are seeking an experienced OpenLink Endur Developer with a strong technical background in .NET / C# to design, develop, test, and maintain custom solutions within our Endur ETRM/CTRM platform. In this role, you will collaborate with business analysts, trade support, and risk teams to deliver robust custom OpenJVS/OpenComponents (.NET) scripts, plugins, report builders, and system integrations across energy and commodity trading desks. Key ResponsibilitiesDevelopment & Customi

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Contract

00+

Senior Software Engineer - .NET, C#, WPF

Remote

•

Today

Job Description A Global Software Engineering company is seeking a Senior Software Engineer to develop and extend business applications for enterprise clients while providing technical leadership and mentorship to the development team. Working within an Agile Scrum environment, you will build and enhance applications across desktop and mobile platforms, including WPF, UWP, iOS, and Android. This role combines hands-on software development with project ownership, client engagement, and solution

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Full-time

$115000 - $130000

.Net/ C# Developer with X12 and EDI 270/271 - Remote

Remote

•

Today

Must provide 2 Managerial references for this role Remote role - Must have X12 EDI AWS 8+ years software engineering experience with distributed, high-volume transaction-processing systems.Healthcare EDI/X12 exp, particularly 270/271 eligibility, Service Type Codes, and payer connectivity.Strong C#/.NET backend development, including async programming, performance tuning, resiliency, and automated testing.Experience with event-driven architectures and messaging, preferably RabbitMQ or equivalen

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Third Party, Contract

Depends on Experience

Full Stack Developer / C# .NET / Vue / Azure / Remote

Remote

•

Today

A leading food services and facilities management organization is seeking a Full Stack Developer for a remote contract opportunity. This role will support application modernization initiatives and the migration of enterprise applications to Microsoft Azure, utilizing technologies including C#, .NET, Vue/Nuxt, SQL, and RESTful APIs to build and enhance business-critical solutions. What sets this opportunity apart is the chance to work on modernizing and rebuilding applications in a collaborative

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Contract

$45 - $75

Application Full Stack Developer -- API C#, ASP.NET, .NET Core, MVC

Remote

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5d ago

Dear Candidate, If below requirement suits you then please share your updated resume. New position: Application Developer/Architect Duration: 12 months 100% Remote C2C Rate: $60/hr Skills and Role: Design, develop, and support enterprise applications using Microsoft technologies and modern web frameworks. Work closely with business stakeholders to deliver secure, scalable, and high-performance solutions. Key Skills: C#, ASP.NET, .NET Core, MVCReact, JavaScript, jQuery, HTML, CSS, BootstrapSQL S

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Contract

60+

Jr. Net, C#, SQL Developer - Active Top Secret required

Washington, District of Columbia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: Development Experience, NET Framework, Software Development Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: Deliver simple solutions to complex problems as a SOFTWARE DEVELOPER at GDIT. Here, you'll tailor cut

Full-time

USD 81,349.00 - 92,000.00 per year

Software Engineer I (C#/.NET)

Arlington, Virginia

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Today

Software Engineer I (C#/.NET) 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, 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 estate information and online mar

Full-time

USD 108,000.00 - 154,000.00 per year

Senior Software Engineer (C#/.NET)

Arlington, Virginia

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Today

Senior Software Engineer (C#/.NET) 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, 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 estate information and onlin

Full-time

USD 143,000.00 - 187,000.00 per year

Software Engineer III: Backend C#

Remote

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Today

Jack Henry, provides advanced bill payment and money transfer solutions to banks and credit unions. We offer modernized smart technology, including AI driven, security, cloud-based software, and fraud monitor, to deliver engaging payment solutions to customers. Our solutions help financial institutions to meet the payment expectations of today and the payment innovation needs of tomorrow. Payments become smarter, engaging, and predictive with Payrailz. We are looking for a software engineer who

Full-time

CNO Reverse Engineer (Several)

Fort Meade, Maryland

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Today

About the job CNO Reverse Engineer (Several) CNO Reverse Engineer Location: Ft Meade, Maryland Number of openings: Many Experience: Hiring mid/SeniorReverse Engineers 8-16+ years Salary: $195,000-$260,000 (Depends on experience Sr/Mid) Clearance: TS/SCI Full Scope Poly Job Description: Senior CNO Reverse Engineer HIGH-LEVEL OVERVIEW The Senior CNO Reverse Engineer analyzes hardware and software using specialized reverse-engineering tools, develops CNO-focused code, and communicates tech

Full-time

USD 195,000.00 - 260,000.00 per year

C# jobs in Columbia, MD, USA