Top C# Jobs in Atlanta, GA

Designs, builds, and maintains integrations across Microsoft 365, the Power Platform, AI/Copilot, and line-of-business apps. Implements connectors, APIs, authentication patterns, and Copilot Studio agents; ensures security and compliance; drives adoption through documentation, training, monitoring, and iterative improvements; partners with Cloud Services, InfoSec, and business stakeholders.

Leads electrical and instrumentation CAD design for power-generation and industrial projects. Oversees CAD deliverables, complex drawings, 3D modeling, constructability, safety, budgets, staffing, schedules, bills of materials, and quantity takeoffs. Integrates laser scans, LiDAR, vendor files, and survey data while coordinating with engineers, project managers, clients, and multidisciplinary teams. Reviews peer work, develops standards, supports proposals, and presents at meetings with occasional travel.

Define and lead an enterprise-level test automation strategy across various layers, focusing on scaling automation frameworks, improving quality, and mentoring engineers. Collaborate on testing AI systems, enhancing CI/CD processes, and reducing flakiness in automation.

Design, develop, test, and maintain high-quality software. Write clean code, participate in unit/integration testing and code reviews, document systems, troubleshoot issues, estimate tasks, and communicate progress across teams.

Design, develop, customize, integrate, test, deploy, and support Microsoft Dynamics 365 (Customer Service) solutions. Configure entities/processes, build plugins/workflows, integrate with enterprise systems, troubleshoot production issues, and collaborate with stakeholders in an Agile environment.

Architect and customize enterprise SharePoint solutions (primarily SharePoint 2010). Design architecture, perform code customizations (C#/ASP.NET, JS, XML), document designs (UML/OOA-OOD), conduct performance tuning, participate in pre/post sales technology selection, and ensure security, scalability, and best practices across large global deployments.

Design and architect enterprise SharePoint 2010 solutions, lead customization using C#/ASP.NET and client-side technologies, produce architecture and design documentation, advise on platform selection, perform code reviews and performance tuning, and support deployment/operations across virtualized Windows server environments.

Develop C++ checkers and defect-fix algorithms for a static code analysis tool. Contribute to core source-code analysis and transformation algorithms, participate in daily Scrum meetings, and help advance AI-enabled software quality products.

Design, implement, and maintain GeoSCADA/AVEVA/Wonderware and OSI PI-based SCADA systems. Develop asset framework, integrate historians and PLCs, program SCADA software, configure communication protocols, perform testing/commissioning, troubleshoot, and provide end-user support. Collaborate with clients and project teams and travel to customer sites as needed.

Lead .NET development: troubleshoot and fix user-reported issues, implement enhancements and interface changes, coordinate with offshore teams, and work with SQL Server, WinForms/ASP.NET systems. Strong communication and Agile experience required. 12+ month contract.

Design, develop, and maintain web applications using .NET (C#) and PHP. Implement MVC, HTML5, CSS3, JavaScript frameworks, WCF services, and third-party APIs. Work with SQL Server/MySQL, stored procedures, SSRS/SSIS, and CMS platforms (Express Engine, Mojo, Drupal). Diagnose and fix existing code, follow Agile/SDLC processes, and collaborate with team members while communicating effectively.

Develop and maintain .NET services and integrations for healthcare systems. Implement WCF/SOAP/REST services, X.509-based security, Entity Framework data access, and support X12/HL7 transaction processing. Apply SOLID/design patterns, DI/IoC, TDD/DDD practices, automate tests (MSTest, Selenium), and work with Azure and front-end AngularJS/MVC components.

Contract positions (onsite Atlanta) for Xamarin Developers and a Technical Lead. Responsibilities include Xamarin/C# mobile development for Android/iOS, translating requirements into low-level design and system architecture, code review, unit testing, ensuring code quality/Definition of Done, participating in sprints, deployments, system testing and UAT, removing technical impediments, and leading or executing development tasks.

Develop and maintain ASP.NET Web Forms and MVC applications using C#. Build responsive web UIs with JavaScript/jQuery, HTML, CSS, and Bootstrap. Implement WCF/SOAP/REST web services, work with MS SQL/Oracle, participate in design and architecture reviews, and follow full software development lifecycle. Collaborate in a global delivery team within financial services.

Develop and design web applications using ASP.NET 3.5 and C#. Build and optimize SQL Server databases (T-SQL, PSQL), design databases, and tune queries/indexes. Implement responsive, mobile-first interfaces, follow formal development methodologies and full project lifecycle. Provide operational support, lead decision-making, solve problems, and communicate effectively. Flexible hours and occasional weekend work required.

As a Controls Engineer, develop real-time automation solutions, program applications, design control systems, and create documentation while mentoring colleagues.

Lead an API engineering team to develop and maintain services for Brightwell's payment platform, balancing hands-on coding and team management responsibilities.

Serve as the senior technical leader owning enterprise application architecture, technical health, and integrations. Remain hands-on with design, development, refactoring, and code reviews. Drive CI/CD, DevOps, Azure-based deployments, secure-by-design practices, and AI-assisted engineering adoption. Provide initiative reporting, roadmap planning, and mentor/hire engineering talent.

The Software Engineer II designs, develops, and tests applications, resolves technical issues, and collaborates with teams to improve production processes and solutions.

Work with experienced engineers to design, develop, test, and maintain front-end, back-end, or full-stack software and integrations. Participate in code reviews, Agile ceremonies, debugging, cloud deployments, and using AI-enabled tools while learning modern development practices, databases, APIs, and CI/CD pipelines.

Lead full‑stack engineer owning design, development, and delivery of Sharetec's Digital Banking platform. Modernize legacy systems, design APIs, build frontend (React/TypeScript/Next.js) and backend (C#/ASP.NET Core or Node/Go) services, work with mobile (React Native), databases (Postgres/MySQL), Docker, CI/CD, mentor teammates, and drive architecture and delivery in a remote Agile environment.

Lead design, implement, test and maintain web application components using the Microsoft stack (ASP.NET MVC, Entity Framework, SQL Server, C#). Build REST services, develop automated tests, follow Agile/Scrum practices, collaborate with QA and cross-functional teams, recommend system improvements, and mentor other developers.

As a Senior Controls Engineer, you will design automation control systems, lead project execution, troubleshoot systems, and maintain client relationships in high-paced environments.

Define and drive technical vision and architecture for the background screening platform. Design and develop cloud-native .NET solutions, lead modernization and migration efforts, ensure scalability, security, reliability, and performance, establish engineering best practices, mentor engineers, lead incident response, and influence cross-team technical roadmaps and CI/CD improvements.

Design, develop, test, and maintain enterprise .NET full-stack applications using C#, Blazor, RESTful APIs, microservices, MongoDB/SQL Server and Kafka. Build CI/CD pipelines, participate in architecture and code reviews, troubleshoot production issues, mentor junior engineers, and evaluate/implement AI-assisted and LLM-enabled features while following secure development practices within Agile teams.