c# developer Jobs in district of columbia

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C++/C# Developer Application Integration Support

The Dignify Solutions, LLC

•

Remote or Columbia, Maryland, USA

Contract, Third Party

Job Responsibilities: Develop, maintain, and enhance application code using C++ and C# to support ongoing integration, maintenance, and enhancement needs across multiple transit system initiatives. Perform code analysis, debugging, and resolution of software defects reported from field operations or testing environments. Participate in peer code reviews, design reviews, and software quality assurance processes to maintain high development standards. Develop unit tests and integration tests to va
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Posted 15 hours ago | Updated 11 hours ago

C++/C# Developer (Application Integration Support)

ITC Infotech (USA), Inc

•

Columbia, Maryland, USA

Full-time

Greetings from ITC Infotech! Role - C++/C# Developer (Application Integration Support) Location - Columbia, MD Start Date: Immediate Position Type: Full Time + Benefits (medical, 401K, PTO etc) Role Summary: General development support for application-level integrations, bug fixes, and system enhancements across all three initiatives. Job Description: Key Responsibilities: Develop, maintain, and enhance application code using C++ and C# to support ongoing integration, maintenance, and enhancemen
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Posted 11 days ago

C++/C# Developer with DBA Skills - Hybrid

The Dignify Solutions, LLC

•

Columbia, Maryland, USA

Contract, Third Party

Design, develop, and maintain backend applications and services using C++ and C# for the SEPTA CARD system. Collaborate with system architects and analysts to design robust database schemas and backend logic supporting transaction processing, card management, and reporting systems. Perform database administration tasks including database design, optimization, tuning, maintenance, backup, and recovery for relational database systems (e.g., SQL Server, Oracle). Optimize SQL queries, stored procedu
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Posted 15 hours ago | Updated 11 hours ago

C# Developer

SAIC

•

Chantilly, Virginia, USA

Full-time

Job ID: 2505146 Location: CHANTILLY, VA, US Date Posted: 2025-04-29 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: No Description SAIC is currently looking to hire a C# Developer to join our team located in Chantilly, VA! Basic Qualifications: Bachelor's Degree in Computer Science, Information Systems, Engineering or related
Posted 60+ days ago | Updated 2 hours ago

C# Developer

Kforce Technology Staffing

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Remote or Boca Raton, Florida, USA

Contract

RESPONSIBILITIES: Kforce has a client that is seeking a C# Developer in Boca Raton, FL. Key Responsibilities: * Architect, develop, and maintain a modern full-stack multi-tenant SaaS platform using .NET 9, C#, and Azure * Apply Domain-Driven Design () and clean architecture principles to support scalability, maintainability, and long-term growth * Build intuitive and responsive front ends using Telerik UI for ASP.NET Core, Bootstrap, Razor Pages, HTML, jQuery, and JavaScript * Design and implem
Posted 7 days ago | Updated 1 hour ago

C# Developer

Headway Tek Inc

•

US

Full-time, Part-time, Contract, Third Party

1.C# Dev -AKS & Azure Requirement: C#, Asp.Net Azure Kubernetes Services (AKS) or Kubernetes Azure Cosmos DB REST API/ Microservices MS Experience Knowledge of Al Other requirements: Communication: Good Onsite/Offshore Co- ordination Passionate about Learning Should be able to work in couple of overlap PST hours Should work in PST time zone
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Posted 18 days ago | Updated moments ago

Full Stack Developer (C# / .Net / JS / SQL / AWS)

Cymertek Corporation

•

Tysons, Virginia, USA

Full-time

Full Stack Developer (C# / .Net / JS / SQL / AWS) LOCATION Tysons, VA 22182 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a skilled and versatile Full Stack Developer to join our team, specializing in C#, .NET, JavaScript, SQL, and AWS. In this role, you will be responsible for building and maintaining robust, scalable applications across both the front-end and back-end. You will collaborate closely with cross-functional te
Posted 60+ days ago | Updated 4 hours ago

PowerBuilder Developer (C++/C#/PowerBuilder)

Srimatrix Inc.

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Columbia, Maryland, USA

Third Party, Contract

Job Title: PowerBuilder Developer (C++/C#/PowerBuilder) Justification: Needed to support legacy systems, modernization efforts, and critical transition areas involving PowerBuilder and backend logic. (SFMTA) Experience Level: 5-10 years Job Responsibilities: Maintain, enhance, and support existing PowerBuilder applications that are critical to transit agency operations.Analyze, troubleshoot, and resolve application defects and performance issues in legacy systems.Collaborate with business analy
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Posted 5 days ago

PowerBuilder Developer (C++/C#/PowerBuilder)

Alpha Silicon

•

Columbia, Maryland, USA

Third Party, Contract

Title: PowerBuilder Developer (C++/C#/PowerBuilder) Location: Columbia MD Terms: Contract Job Description Justification: Needed to support legacy systems, modernization efforts, and critical transition areas involving PowerBuilder and backend logic. (SFMTA) Job Responsibilities: Maintain, enhance, and support existing PowerBuilder applications that are critical to transit agency operations. Analyze, troubleshoot, and resolve application defects and performance issues in legacy systems. Colla
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Posted 6 days ago | Updated 22 hours ago

Full Stack Developer (C# / .Net / JS / SQL / AWS)

Cymertek Corporation

•

Reston, Virginia, USA

Full-time

Full Stack Developer (C# / .Net / JS / SQL / AWS) LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a skilled and versatile Full Stack Developer to join our team, specializing in C#, .NET, JavaScript, SQL, and AWS. In this role, you will be responsible for building and maintaining robust, scalable applications across both the front-end and back-end. You will collaborate closely with cross-functional te
Posted 60+ days ago | Updated 4 hours ago

Full Stack Developer (C# / .Net / JS / SQL / AWS)

Cymertek Corporation

•

Chantilly, Virginia, USA

Full-time

Full Stack Developer (C# / .Net / JS / SQL / AWS) LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a skilled and versatile Full Stack Developer to join our team, specializing in C#, .NET, JavaScript, SQL, and AWS. In this role, you will be responsible for building and maintaining robust, scalable applications across both the front-end and back-end. You will collaborate closely with cross-functional
Posted 60+ days ago | Updated 4 hours ago

Full Stack Developer (C# / .Net / JS / SQL / AWS)

Cymertek Corporation

•

Annapolis, Maryland, USA

Full-time

Full Stack Developer (C# / .Net / JS / SQL / AWS) LOCATION Annapolis Junction, MD 20701 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a skilled and versatile Full Stack Developer to join our team, specializing in C#, .NET, JavaScript, SQL, and AWS. In this role, you will be responsible for building and maintaining robust, scalable applications across both the front-end and back-end. You will collaborate closely with cross-f
Posted 60+ days ago | Updated 4 hours ago

*C# Developer with Strong SQL Development experience (Experience working in Hedge Fund background)*

Kellton

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Remote

Contract

Kellton Tech is a full-service software development company, offering end-to-end IT solutions, strategic technology consulting and product development services in Web, SMAC (Social, Mobile, Analytics, Cloud), ERP-BPM, and IoT space Our methodology of inventing infinite possibilities with technology helps us develop best in-class and cost effective solutions for our clients. Currently Kellton Tech is looking for talented resources for one of our listed client. Below are the position details: Po
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Posted 60+ days ago | Updated 1 day ago

C#.Net Developer (W-2 only)

Kellton

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Remote

Contract

This is a fast moving position with a great Top 100 client. They will interview within a couple of days This role is completely remote and is W-2 only No c2c for this role please . 10+ years technical engineering experience with coding in languages including, C#, JavaScript, .NET or Python.4+ years track record of delivering high quality software components in .NET, Angular, React, C# and micro-front-end architecture.3+ year experience with Azure stack and AKS.Ability to analyze and solve hard
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Posted 21 hours ago | Updated 19 hours ago

C# Dot Net Developer with Capital Market & Investment Banking

Magnum Technologies, Inc.

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Remote

Full-time

JOB DESCRIPTION: Job Title: Senior .NET Developer with Investment Banking Systems Experience: 7+ years Location: NYC(Remote) C2H/ W2 only Overview: We are seeking a Senior .NET Developer consultant with strong expertise in Investment Banking Systems for a Contract-to-Hire (C2H) position. The ideal candidate must have hands-on experience in Stock Loan business functions and familiarity with systems like Global One, Loanet, and EquiLend interfaces. Strong technical proficiency is required in C#/.N
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Posted moments ago

Commodities Application Developer (C#, React, TypeScript) - AVP - Houston (Hybrid)

Citi

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Remote or Houston, Texas, USA

Full-time

The role is for a C# developer who will be working within a small team on Commodities Marking and Market Discovery Platform used by traders across the regions. We offer the opportunity to grow professionally, learn new technologies and gain business knowledge. Responsibilities: Develop the Platform using C# with an opportunity to learn React during WPF to React migrationWork directly with quants and traders to specify requirements and own deliveries and 3rd line support to provide daily communi
Posted 23 days ago | Updated 4 hours ago

PowerBuilder Developer (C++/C#/PowerBuilder) - Columbia, MD - Only Locals

Group Nine

•

Columbia, Maryland, USA

Third Party, Contract

Position Title: PowerBuilder Developer (C++/C#/PowerBuilder) Location: Columbia, MD, Only Locals Duration: 6 Months Justification: Needed to support legacy systems, modernization efforts, and critical transition areas involving PowerBuilder and backend logic. (SFMTA) Experience Level: 5-10 years Job Responsibilities: Maintain, enhance, and support existing PowerBuilder applications that are critical to transit agency operations. Analyze, troubleshoot, and resolve application defects and perform
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Posted 6 days ago

C# Software Developer

Zachary Piper Solutions, LLC

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Remote

Full-time

Piper Companies is seeking a C# Software Developer to join a leading shipping and logistics organization. The C# Software Developer will work on backend development, automate workflows, and assist in designing cloud-based applications, with an emphasis on data. Responsibilities of the C# Software Developer include: Lead the design, development, testing, and deployment of .NET C# applications. Architect complex data structures for rate audits of parcel carrier invoice files. Design, develop, an
Posted 47 days ago | Updated 22 days ago

Remote Position: Need C# & .Net developer with PeopleSoft / workday integration Exp

Svam International, Inc.

•

Remote

Contract, Third Party

C# & .Net developer with PeopleSoft / workday integration Exp Long term contract Remote Position Job Description: Design, develop, and deploy scalable and resilient microservices using C# and the .NET framework. Proficiency in C# and the .NET framework (.NET Core, Core) are required skills.Ability to collaborate with cross-functional teams to define, design, and develop new features and services.Experience developing and maintaining robust, efficient, and secure RESTful APIs to facilitate seam
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Posted 6 days ago | Updated 22 hours ago

Senior C# Full Stack Developer

Precision System Design Inc.

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Remote

Contract

Our Fortune 100 direct client is hiring for experienced Senior Full Stack Developers to work on large-scale IT projects. You would be designing and coding in a variety of technologies supporting and developing an Vue/Angular UI application, with C# back-end microservices. The ideal candidate will have strong C# development experience, has worked with front-end technologies such as angular, and back-end experience with SQL Server. This role can be done fully remotely following an EST work schedul
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Posted 7 days ago | Updated 5 hours ago