Top C# Jobs in Atlanta, GA

The Software Engineer III will design, develop, test, and maintain software solutions for Zinnia, collaborating within Agile teams and mentoring junior members.

Perform technical code review and analysis for complex technology disputes, determine code provenance and function, prepare memos and expert reports, rebut other experts, support and prepare testifying experts, manage multiple engagements, review junior staff, and communicate findings to clients and counsel.

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.

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.

Lead technical vision and architecture for product lines, design and deliver enterprise-scale systems, mentor engineers, drive AI-augmented development practices, own architectural decisions, improve quality/testing/observability, contribute code, and lead post-acquisition technical integrations.

Design, build, integrate, and operate full-stack software for a Supervisory Control Platform. Develop frontend/operator UIs, backend services/APIs, and integrate Computer Vision pipelines. Ensure production readiness across cloud and on-prem systems, own quality, observability, and mentor engineers.

Design, develop, test, and maintain scalable C#/.NET applications and RESTful APIs. Build data-driven platforms, implement CI/CD and DevOps practices, deploy containerized apps (Docker/Kubernetes) on AWS, troubleshoot production issues, and collaborate on architecture, code reviews, and observability improvements.

The role involves developing and implementing solutions using Microsoft Dynamics 365 and Power Platform, focusing on customer engagement and software engineering best practices.

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.

Design, build, test, and maintain cloud-native platform services using Java/C# on multi-cloud (GCP/Azure). Implement scalable, resilient microservices, CI/CD pipelines, and RESTful APIs; mentor engineers, troubleshoot production systems, and recommend cloud infrastructure improvements.

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.

The Software Engineer, specializing in DevOps, will automate and manage AWS solutions, develop tooling, and improve CI/CD workflows while ensuring security and compliance. Responsibilities include building infrastructure, supporting Amazon Connect, and troubleshooting technical issues.

Design, develop, and maintain cloud-native full‑stack web applications. Build responsive React front ends, .NET Core back ends and REST APIs, deploy to Azure using containers and IaC, manage relational databases, implement CI/CD pipelines, and participate in Agile ceremonies and code reviews.

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.

Designs and delivers end-to-end, cloud-native solution architectures using .NET and microservices. Partners with business and engineering to map requirements to technical designs, ensure security, observability, and scalability, lead architecture reviews, mentor teams, and ensure compliance with enterprise architecture and cybersecurity standards.

Responsible for improving reliability, availability, performance, and observability of compliance automation systems. Manage CI/CD pipelines, automated provisioning, monitoring, and incident response for Power Platform, Azure-based services, AI agent workflows, and identity governance integrations. Build dashboards, SLOs, and automation to support SOX/PCI/CPNI controls and continuous improvement.