Top Senior C# Jobs in Atlanta, GA

Designs, develops, tests, maintains, and supports secure, scalable software and cloud infrastructure. Responsibilities include microservices, APIs, databases, asynchronous processing, automated testing, CI/CD, observability, production incident response, Agile delivery, and senior-level technical ownership. The role collaborates cross-functionally, decomposes work, improves engineering standards, and may participate in rotating on-call support.

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.

Lead the design, development, testing, debugging, and maintenance of software applications. Collaborate with cross-functional teams to translate requirements into technical solutions, improve existing codebases, conduct peer reviews, and mentor junior developers. The role requires extensive software development experience, programming expertise, SQL database experience, cloud platform knowledge, CI/CD and DevOps experience, and familiarity with Agile methodologies.

Develops and integrates software for diagnostic instruments and products with minimal supervision. Responsibilities include requirements and design documentation, source-code development, unit and integration testing, code reviews, defect resolution, change implementation, risk analysis, release management, and collaboration with multidisciplinary development and testing teams. The role requires proficiency in languages such as C, C++, Java, or C#, software engineering tools, and operation of instrumentation.

Design, develop, and maintain scalable, cloud-native Java/J2EE services and APIs for equity investments. Collaborate with business and engineering teams to document requirements, implement multi-threaded solutions, create tests, perform code reviews, mentor junior engineers, and apply CI/CD and agile practices to deliver high-quality financial software.

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.

Design, build, test, and operate secure, scalable production software and services. Partner with customers and stakeholders to translate needs into technical solutions, lead technical workstreams, and apply engineering best practices including automated testing, CI/CD, observability, and documentation. Develop reusable components and AI- or LLM-based solutions while driving end-to-end delivery and continuous improvement.

Develop and operate secure, scalable full-stack web applications and AI-powered agents using Microsoft technologies. Responsibilities include backend and frontend development, API and identity integrations, responsible AI implementation, testing, architecture reviews, deployment, observability, live-site support, and cross-team collaboration. The role also involves mentoring engineers, managing dependencies, and contributing reusable engineering practices and assets.

Designs and delivers cloud-based software solutions with strategic customers and Microsoft product teams. Leads requirements definition, architecture, dependency identification, design documentation, and development of maintainable code. Mentors engineers, contributes to open-source assets, coordinates project and release plans, and serves as a designated responsible individual for system reliability, monitoring, on-call support, performance, and operational improvements.

Design, develop, test, deploy, monitor, and support full-stack applications for sales execution workflows. Build React-based web experiences, Salesforce solutions, backend services, REST APIs, database integrations, and enterprise data flows. Troubleshoot cross-platform issues, implement automated testing and CI/CD, participate in architecture and code reviews, modernize legacy systems, and collaborate with product, architecture, data, QA, and security teams.

Design, develop, test, deploy, and support full-stack applications for sales execution, promotions, deals, and customer workflows. Build React-based web experiences, Salesforce solutions using LWC and Apex, backend services, REST APIs, database integrations, and enterprise system integrations. Own solutions across the lifecycle, troubleshoot complex cross-layer issues, improve application performance, participate in technical reviews, and support automated testing, CI/CD, monitoring, and production operations.

Design, develop, test, debug, and maintain software applications supporting Fiserv’s business goals. Collaborate with cross-functional teams to translate requirements into technical solutions, improve existing codebases, lead peer reviews, and mentor junior developers. The role requires experience with programming languages, SQL databases, cloud services, CI/CD, DevOps, and Agile methodologies.

Lead the design and development of foundational Wealth Management APIs, microservices, and business components. Build secure, cloud-ready SOAP and REST interfaces supporting CI/CD and multiple channels. Develop high-concurrency, low-latency, highly available applications using .NET, C#, Azure, Docker, Kubernetes, messaging platforms, and SQL Server. Apply API security and industry-standard microservices practices across Morgan Stanley’s technology environment.

Designs, develops, secures, deploys, and supports enterprise APIs and full-stack applications using Broadcom Layer 7 API Gateway, .NET, C#, Java, REST, SOAP, and microservices. Integrates APIs with enterprise systems and identity platforms, troubleshoots applications across diverse hosting environments, and optimizes API performance. Collaborates with cross-functional teams to onboard APIs and support SDLC workflows in mission-critical environments.

Designs, develops, integrates, and supports enterprise applications using .NET/C# and Salesforce. Builds APIs and integrations with ERP, data warehouses, marketing platforms, and SaaS applications. Performs advanced troubleshooting, production support, and root-cause analysis. Partners with stakeholders to define technical solutions, supports DevOps and CI/CD processes, establishes development standards, and mentors developers. Owns solutions from requirements through deployment while ensuring performance, security, scalability, reliability, and data quality.

Leads manufacturing engineering, automation, controls, and process-improvement projects from definition through production handoff. Diagnoses mechanical, electrical, software, network, and process issues; develops PLC, HMI, motion-control, scripting, and data logic; integrates equipment and production systems; modernizes legacy controls; analyzes performance data; creates technical documentation; supports plant operations; and mentors engineers and technicians.

Develop and support Microsoft Dynamics 365 Finance & Operations throughout implementation and post-go-live operations. Design and build customizations, extensions, integrations, reports, data entities, and financial modules using approved extension patterns. Support testing, deployment, environment management, troubleshooting, performance tuning, and production issues. Lead offshore developers, mentor junior staff, document technical solutions, and collaborate with functional and business stakeholders while ensuring financial data integrity.

Designs and develops scalable full-stack software, cloud services, APIs, microservices, and connected IoT solutions using C# and .NET. Leads quality engineering strategy, test automation, performance and resiliency testing, CI/CD quality gates, defect resolution, and release readiness. Provides technical mentorship and coordinates multidisciplinary teams delivering secure device-to-cloud applications across hardware, firmware, systems, cybersecurity, and product functions.

Designs, develops, and delivers scalable full-stack software, cloud services, REST APIs, microservices, and distributed systems for Honeywell’s connected fire and life safety products. The role involves Azure cloud development, IoT device integration, automated testing, CI/CD, observability, secure coding, troubleshooting, architecture decisions, technical leadership, mentoring, and collaboration across product, hardware, firmware, systems, quality, and cybersecurity teams.

Designs and maintains full-stack enterprise applications, cloud services, APIs, microservices, and IoT device-to-cloud solutions. Leads quality engineering strategy, automated testing, performance and resiliency testing, CI/CD quality gates, defect resolution, and release readiness. Provides technical mentorship and collaborates with software, hardware, firmware, systems, cybersecurity, quality, and product teams to deliver secure, reliable connected-product solutions.

Designs and delivers scalable enterprise software, cloud services, full-stack applications, APIs, microservices, and distributed systems for connected IoT products. Leads architecture and technical design, develops Azure cloud-native solutions, drives testing and CI/CD quality practices, troubleshoots complex integrations, and collaborates across hardware, firmware, cybersecurity, systems, quality, and product teams. Mentors engineers and advances software engineering practices for Honeywell’s Fire and Life Safety portfolio.

Develop, maintain, and enhance scalable enterprise web applications, internal tools, libraries, and shared components. Collaborate with cross-functional teams, participate in code reviews, create technical documentation, and promote knowledge sharing. The role requires strong software development practices and experience with TypeScript, JavaScript, or C#, plus Angular or ASP.NET Core. Familiarity with Azure, Ionic, SQL Server, Azure DevOps, NServiceBus, Cypress, and OpenAI technologies is expected.

Designs and builds backend services, internal libraries, cloud-native applications, and AI agent workflows using .NET, Azure, and Semantic Kernel. Develops reliable, observable enterprise software, contributes to architecture and design documentation, performs code reviews, mentors engineers, and improves performance, security, developer experience, and CI/CD practices. May also develop Angular tooling and components.

Leads global software engineering delivery, code quality, technical execution, sprint management, and engineering performance across distributed SaaS teams. Oversees full-stack tooling, CI/CD reliability, defect management, architectural improvements, QA and DevOps alignment, and AI-assisted development adoption. Mentors engineering leaders, supports hiring and performance management, monitors delivery KPIs, and serves as an escalation point for delivery risks and cross-functional blockers.

Leads Site Reliability Engineering strategy and a team of SREs supporting mission-critical platforms. Responsibilities include improving reliability, scalability, observability, security, and performance; driving cloud modernization across Azure and AWS; implementing infrastructure automation, SLOs, incident management, governance, and disaster recovery; and mentoring engineers while coordinating cross-functional initiatives across product, platform, security, and business teams.