Top Senior C# Jobs in Atlanta, GA

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 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.

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.

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, 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.

Lead design and build of production-ready cloud and AI systems, prioritize security and reliability, ship solutions quickly using modern engineering practices, collaborate with cross-functional teams, mentor engineers, drive customer adoption, and deliver reusable assets and end-to-end complex deliveries.

Design, build, test, and operate production-grade, secure, and scalable software and services. Partner with customers to translate requirements into technical designs, drive engineering best practices (CI/CD, testing, observability), deliver end-to-end solutions, lead technical workstreams, and apply AI/LLM approaches where appropriate to produce production-ready outcomes.

Develop scalable, secure, high-performance software for a global telematics platform processing real-time vehicle and device data. Responsibilities include writing C# code, designing systems and APIs, reviewing code, troubleshooting performance and bugs, documenting technical solutions, mentoring junior developers, researching technologies, supporting technical issues, and participating in a 24/7 on-call rotation.

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, customize and maintain enterprise Sitecore solutions (versions 9/10, SXA, JSS, XM Cloud). Produce technical specs, implement components, test and debug in test and production, support teammates, perform demos to customers, and escalate/resolve issues.

Provides technical leadership for Cox Automotive products by defining architectural vision, guiding solution design, reducing technical debt, and aligning engineering, product, and business teams. Leads platform modernization, AWS adoption, API architecture, generative AI initiatives, and architectural governance. Develops proofs of concept, evaluates emerging technologies, maintains roadmaps and design artifacts, and drives adoption of shared platforms, distributed systems, and reusable capabilities across delivery teams.

Design, develop, and implement backend services and APIs (primarily in Golang) for a cloud-based banking SaaS platform. Collaborate with cross-functional teams, improve code quality and test coverage, lead peer reviews, and mentor junior developers while meeting deadlines.

Design and maintain automated test frameworks for APIs, web applications, databases, integrations, and distributed systems. Develop production-quality test code, validate data with SQL, integrate automation into CI/CD pipelines, analyze failures, and support exploratory and release testing. Partner with engineering and product teams on quality strategy, improve testability and coverage, mentor quality engineers, and reduce repetitive manual regression through maintainable automation.

Design, implement, and operate cloud-scale telemetry platforms and data pipelines for Azure Monitor. Lead cross-team architecture, mentor engineers, improve AI-enabled development practices, ensure security/compliance, and resolve complex production incidents.

Design, build, and maintain scalable C#/.NET backend services and high-volume ETL/data ingestion pipelines. Tune and operate complex Microsoft SQL Server environments, troubleshoot distributed system performance, resolve production issues, collaborate with downstream teams, and leverage AI-assisted tools to accelerate development and testing.

Lead the architecture and technical governance of Dynamics 365 CRM, Power Platform, Dataverse, and Azure solutions. Define enterprise roadmaps, integration patterns, security and data governance, ALM and CI/CD standards, and AI-enabled workflows. Guide cross-functional delivery teams, review designs and code, resolve complex platform and integration issues, optimize performance, and mentor engineers. The role is hybrid, requiring at least three office days weekly.

Lead design and implementation of modernized insurance underwriting and policy administration solutions. Drive cloud transformation, data-driven and secure architectures, improve risk selection and claims resolution, enhance customer experience through automation, mentor technical teams, manage client relationships, and oversee project lifecycle, budgets, and delivery quality.

Stand up and lead an AI-forward software engineering practice delivering Flexi’s next-generation web platform. Hire and develop engineers, define architecture, contribute hands-on to coding and reviews, establish engineering standards, and oversee delivery, cloud infrastructure, performance, security, reliability, CI/CD, observability, and cost optimization. Partner with the CTO and Product to integrate with existing C++ and C# systems and ship customer-facing enterprise software for regulated financial services environments.

Lead embedded application integration across firmware, hardware, Linux, and cloud systems. Develop embedded applications in C#, design system architectures, perform end-to-end testing, debug complex firmware and Linux issues, and support fault handling and diagnostics. The role requires integration experience with control-system protocols, RTOS, bare-metal systems, Yocto-based embedded Linux, and medical-domain projects.

Design, develop, and maintain end-to-end Azure integration solutions using API Management, Function Apps, Logic Apps, Service Bus, and related services. Build REST APIs, messaging workflows, data integrations, and automation using C#, Python, T-SQL, and Azure data services. Ensure scalability, security, compliance, testing, monitoring, and performance. Troubleshoot production issues, document solutions, collaborate with cross-functional stakeholders, and drive continuous improvement.

Design, build, and maintain scalable, high-performance backend/platform services. Own ClickHouse table design and production operations, troubleshoot performance and ingestion issues, collaborate with product and security teams, participate across SDLC (testing, deployment, production support), and promote engineering best practices and CI/CD-driven DevOps workflows.

Lead design, implementation, and maintenance of the CoverGo SaaS platform across front-end and back-end. Provide technical direction, optimize performance and security, enforce coding standards, conduct code reviews, mentor junior developers, and collaborate with product and design teams to build scalable, high-traffic insurance enterprise solutions.