C# Jobs in Washington

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Urgent :::: PowerBuilder Developer (C++/C#/PowerBuilder) :::: Local in Columbia, MD

REDLEO SOFTWARE INC.

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Columbia, Maryland, USA

Contract

Position Title: PowerBuilder Developer (C++/C#/PowerBuilder) Work location: Remote - Hybrid. Mostly work from home and be able to come into the office when required. Technical Skills & Qualifications: Bachelor s degree in Computer Science, Information Systems, Software Engineering, or related field (Master s preferred).5-10 years of hands-on experience developing and maintaining applications in PowerBuilder (versions 9.x through 2019 R3 or later).Strong proficiency in C++ and C# with experience
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Posted 6 days ago

C++/C# Developer Application Integration Support

The Dignify Solutions, LLC

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Remote or Columbia, Maryland, USA

Third Party, Contract

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 16 hours ago | Updated moments ago

C#/MS-SQL .Net Full stack Developer-6-12 Months Contract-Remote position-Direct Customer

Accion Labs

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Remote

Contract

Greetings from Accion Labs, Our direct Client is looking for C#/MS-SQL .Net Full stack Developer-6-12 Months Contract-Remote position. Job Description: 8+ years of professional experience in full stack .NET Development with HTML/JavaScript/ASP.Net as front-end, Web API/Microservices as backend and SQL Server as Database. 5+ years of software development life cycle experience, including coding standards, code reviews, source control management, build processes, testing, and operations. Proficie
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Posted 1 hour ago | Updated 1 hour ago

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

VRTek Consulting

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Columbia, Maryland, USA

Contract

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 analysts, end users, and cross-functional teams to gather req
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Posted 8 days ago | Updated 23 hours ago

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

ITC Infotech (USA), Inc

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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

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

Solutions Architect - .Net, C#, AWS

Perficient

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Fairfax, Virginia, USA

Full-time

We currently have a career opportunity for a Solutions Architect to join our team. This role is REMOTE. Job Overview: As a Solutions Architect, you will play a pivotal role in designing and implementing enterprise-grade digital process automation solutions using the Camunda platform. This role focuses on leveraging BPMN, DMN, and process orchestration capabilities to streamline and optimize business workflows across diverse industries. You will be responsible for guiding development teams in
Posted 47 days ago | Updated 15 hours ago

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

Group Nine

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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

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

Alpha Silicon

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Columbia, Maryland, USA

Contract, Third Party

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 moments ago

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

The Dignify Solutions, LLC

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Columbia, Maryland, USA

Third Party, Contract

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 16 hours ago | Updated moments ago

C# Developer

SAIC

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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 3 hours ago

Senior Developer Tech Lead Position - C# with Workflow Orchestration tools using WSO2 or MuleSoft or Mendix or Appian.

Digipulse Technologies, Inc

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Remote

Full-time, Third Party

(Job Description) - Hands-On Senior Developer Tech Lead Position 1. Strong proficiency in C# for scalable, maintainable development. 2. Hands-on experience with Workflow Orchestration tools using WSO2 or MuleSoft or Mendix or Appian. 3. Expertise in API Management/Gateway platforms such as WSO2 or Apigee or Mulesoft. 4. Lead the design and development of enterprise-grade APIs and Microservices. 5. Design and implement event-driven architecture using Kafka or RabbitMQ. 6. Provide technical leader
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Posted moments 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 1 hour ago

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

Svam International, Inc.

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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 23 hours ago

Gameplay Engineer - C#

SGS Consulting

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Remote

Contract

Responsibilities: Create NPC tools to demonstrate NPC behaviors in Open WorldsCreate both simple and complex examples that can be used both for creator samples and for AI training.Requirements: BS in Computer Science/Engineering or equivalent industry experience.3-5 years game development experience.Proficiency in C#Ability to work independently with minimal outside supervision.Ability to multi-task, prioritize and be flexible able to adapt plans and react to change in a diverse, fast-paced, and
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Posted 39 days ago | Updated 6 days ago

C# Developer

Headway Tek Inc

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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

MES Developer with .net and C#

Indotronix International Corp

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Remote

Contract

Role: MES Developer Location: Remote Pay Rate: $77/Hr on W2 Duration: 6+ Months Location: Remote, required to be within 1-2 hour commutable distance in one of the following client office locations: - Corning, NY - Charlotte, NC - Vineland, NJ - Phoenix, AZ - Hemlock, MI - Hickory, NC - Blacksburg, VA - Keller, TX - Boston, MAKey Responsibilities: Strategic view and understanding of Siemens Opcenter/Camstar Execution to lead design and development efforts across client. Design, implement,
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Posted 7 days ago

.NET Microservices Developer - (C#, .NET Core, ASP.NET, SQL Server)

Cloud and Things

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New York, USA

Third Party, Contract

Our goal is to solve problems and deliver results for our clients. At Cloud and Things, you can be a part of transforming the public sector's IT environment. Our team is on the forefront of helping to solve the government's most complex IT challenges. If you are seeking a role that offers the opportunity to work on rewarding projects, consider a career with Cloud and Things. *This is an exempt position. Salary commensurate with experience* Overview: We are seeking a .NET Microservices Developer
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Posted 5 days ago | Updated 19 hours ago

Software Developer (C#, .NET framework, .NET Core, JavaScript, and CSS)

Techgroup America Inc.

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Remote

Contract

Job Details Position: Software Developer Location: Remote Duration: 6-month contract Start Date: 7/21/2025 Description: The Software Developer Level 3 is responsible for leading a small agile development team within our Enterprise Services & Integrations systems. This role involves designing, developing, and implementing software solutions using C#, .NET framework, .NET Core, JavaScript, and CSS. The ideal candidate will have experience building RESTful APIs, web services for data transfer an
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Posted 5 days ago

C#.NET API Developer

TriCom Technical Services

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Remote

Contract

C#.NET API Developer Summary This C#.NET API Developer will focus on developing financial applications, creating workflows, and API integration. Responsibilities Support the company's financial systems.Develop Web-based solutions for internal customers business needs using C#/MVC.NET and MS SQL.Develop methods and processes to interact with various Cloud-based APIs using SOAP and RESTful APIs.Develop and maintain data synchronization between various systems within and between the company and o
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Posted 15 days ago