Top C# Jobs in Atlanta, GA

Develop and maintain AkesoLIMS features across backend and frontend systems. Build REST APIs, optimize SQL Server database interactions, troubleshoot production issues, and improve application reliability. Collaborate with laboratory staff and project management to translate workflows and user needs into software solutions. Use C#, ASP.NET, MVC, JavaScript, jQuery, and AI-assisted development tools while contributing to testing, documentation, code reviews, and development best practices.

Participate in Mastercard’s 18-month Launch Program by designing, developing, testing, debugging, and deploying scalable software solutions. Write maintainable code, create automated tests, apply secure coding practices, participate in code reviews, and resolve issues using development tools and documentation. Work with experienced engineers through structured onboarding and mentorship while contributing to globally impactful technology platforms.

Provides technical leadership across Cox Automotive products by defining architectural vision, designing scalable solutions, modernizing platforms, reducing technical debt, and guiding multiple delivery teams. The role focuses on AWS-native architecture, API delivery, distributed systems, databases, DevOps, and generative AI initiatives. Responsibilities include creating architectural roadmaps and diagrams, evaluating emerging technologies, aligning stakeholders, sequencing investments, and establishing reusable platform and API standards.

The ERP Application Developer supports design and implementation of applications, ensuring reliable systems, conducting testing and support, and managing stakeholder communication.

The Senior Application Developer leads ERP solution design and implementation, ensuring technical execution aligns with business needs. Responsibilities include application configuration, development, support, and stakeholder management while mentoring junior team members.

The SDET is responsible for testing products, executing test cases, creating automated scripts, and collaborating with the engineering team to troubleshoot issues.

Designs, develops, tests, maintains, and supports secure production software and cloud infrastructure. Builds scalable, resilient microservices and APIs, works with databases and event-driven systems, and delivers through Agile, Git, automated testing, and CI/CD practices. Participates in architecture decisions, observability, incident response, code reviews, and rotating on-call support. Owns ambiguous work through release, decomposes tasks, mentors teammates, and communicates with technical and non-technical stakeholders.

Designs, develops, tests, maintains, and supports secure production software and cloud infrastructure. Builds scalable, resilient services using modern object-oriented languages, microservices, APIs, databases, messaging, containers, and public cloud platforms. Applies automated testing, CI/CD, observability, Agile practices, and secure software engineering principles. Owns ambiguous technical problems through delivery, decomposes work, mentors others, collaborates with technical and business stakeholders, and may participate in rotating on-call support.

Designs, develops, tests, maintains, and operates secure production software and cloud infrastructure. The engineer works across teams on architecture, scalable microservices, APIs, databases, asynchronous processing, observability, and resilient systems. Responsibilities include end-to-end ownership, automated testing, CI/CD delivery, production support, incident response, Agile collaboration, mentoring, and raising engineering standards. The role may include rotating after-hours on-call support.

Designs, develops, tests, maintains, and supports production software and cloud infrastructure using secure software engineering practices. Builds scalable, resilient services and APIs, works with databases and asynchronous processing, and delivers through Agile CI/CD workflows. Responsibilities include architecture decisions, automated testing, observability, incident response, production support, code reviews, stakeholder communication, and owning ambiguous initiatives from design through release. The role also contributes to engineering standards and may mentor others.

The Software Engineer II is responsible for designing, developing, and implementing web and process applications, troubleshooting technical issues, and collaborating with teams to enhance software solutions.

Lead architecture and full-stack development on a Microsoft/Azure platform. Design and implement scalable, secure cloud applications (C#, .NET Core, SQL, Angular), drive CI/CD and DevOps best practices, mentor engineers, enforce design patterns and testing standards, participate in architectural reviews, and support platform modernization and production reliability.

Design, build, test, deploy, and maintain cloud-based web applications and microservices. Ensure performance, reliability, and code quality while collaborating on new features, debugging, and optimizing systems. Use AI development tools daily, contribute to infrastructure as code, and promote maintainable architecture and documentation.

Design, build, and implement web applications and back-end services. Work with generative AI models and cloud components, ensuring adherence to coding standards and managing project timelines.

Lead Site Reliability Engineer responsible for production support, automating deployments, monitoring availability and performance, troubleshooting infrastructure and applications, driving reliability improvements, collaborating with development and infrastructure teams, and participating in 24/7 on-call rotation.

Design, develop, test, and implement web and core processing applications. Troubleshoot production issues, write unit/integration tests, collaborate with business and QA, propose technical solutions, and assist in deployments and refactoring while adhering to coding standards.

Design, build, test, and deploy web and backend processing applications and real-time APIs for payments. Troubleshoot production issues, collaborate with business and QA, write unit/integration tests, propose technical solutions, and support deployment and refactoring.

Leads HVAC controls and system integration testing, establishes lab environments, analyzes communication logs, troubleshoots hardware and software, validates cloud-connected platforms, and supports field evaluations. Coordinates technical activities between North American operations and Global HQ in Korea, provides pre- and post-sales technical support, develops documentation and training, monitors HVAC regulations, and identifies product improvement opportunities.

Develops, deploys, and maintains complex responsive web applications, databases, APIs, and geospatial solutions for public health and federal government clients. Responsibilities include feature development, requirements analysis, database administration, scripting and automation, performance tuning, security configuration, user management, troubleshooting, documentation, and creation of interactive mapping products. The role follows Agile DevOps practices and requires collaboration with analysts, epidemiologists, business owners, and technical teams.

Leads development of scalable cloud-native payments and POS software, translating requirements into reliable technical solutions. Drives architecture, software quality, automated testing, CI/CD, observability, production issue resolution, and continuous improvement. Provides technical leadership, mentors engineers, collaborates with product and customer-facing teams, and incorporates customer feedback into product enhancements. The role also promotes modern engineering practices, including AI-assisted development.

Support, maintain, troubleshoot, and develop enterprise software products in an Agile environment. Diagnose production issues, perform engineering-level testing, tune SQL performance, document solutions, estimate feature work, assess risks, and collaborate with product managers, product owners, engineering leaders, and stakeholders. The role requires a week of after-hours support availability every three to four months.

Supports, maintains, troubleshoots, tests, and improves PDI enterprise software products. Diagnoses production issues, tunes SQL performance, documents solutions, estimates feature work, and collaborates with product and engineering stakeholders in an Agile environment. Uses AI-assisted development tools and contributes to AI-powered engineering workflows. Provides technical guidance to less experienced engineers and communicates customer risks, status, and escalation needs.

Leads the design, development, and operationalization of scalable enterprise applications using C#/.NET and React/TypeScript. Responsibilities include architecting backend services and frontend features, conducting code reviews, establishing engineering standards, optimizing high-scale systems, integrating CI/CD and cloud deployments, leveraging AI-assisted development tools, collaborating with stakeholders, and mentoring engineers.

Designs, programs, tests, and commissions PLC-based material handling and industrial control systems. Reviews electrical, safety, power, I/O, and network layouts; develops controls documentation and test plans; troubleshoots PLC, electrical, hardware, and communication issues; performs site commissioning and integrated system testing; manages punch-list items, subcontractor progress, reporting, customer support, and cross-functional coordination. Requires up to 50% travel.

Lead end-to-end development and stability engineering for mission-critical trading applications. Design scalable .NET solutions, RESTful APIs, real-time processing engines, distributed systems, and high-volume data pipelines. Optimize SQL Server workloads and database architecture, modernize legacy systems to .NET Core, and troubleshoot complex production issues. Collaborate with traders, quantitative analysts, and global engineering teams while leading architecture, code reviews, system integration, and operational reliability initiatives.