Top Senior C# Jobs in Atlanta, GA

Senior SDET responsible for owning software quality through test strategy, automated and manual testing, defect analysis, and Python/Pytest automation. The role leads quality engineering practices, automation frameworks, code reviews, static analysis remediation, technical proofs of concept, Agile collaboration, mentoring, and continuous improvement across software products and platforms.

Develop and maintain enterprise-scale platform services for Honeywell Forge and Cognition. Build containerized microservices, APIs, event-driven systems, database integrations, and Kubernetes deployments across multi-cloud and edge environments. Own features through design, implementation, testing, deployment, troubleshooting, and production readiness. Collaborate with architects, SRE, cybersecurity, QA, product, and engineering teams while supporting secure, scalable, and restricted-connectivity deployments.

Develop and maintain enterprise-scale full-stack platform services, APIs, microservices, distributed systems, and containerized deployments for Honeywell Forge and Cognition. Responsibilities include event-driven development, database and messaging integration, multi-cloud and edge deployment, Kubernetes operations, automated testing, security, observability, troubleshooting, and production readiness. The engineer owns features from design through deployment and collaborates with architecture, SRE, cybersecurity, QA, product, and engineering teams.

Develop and maintain enterprise-scale full-stack and platform services for Honeywell Forge and Cognition. Responsibilities include designing containerized microservices, REST APIs, event-driven services, distributed systems, cloud and edge deployments, database integrations, Kubernetes services, automated testing, observability, troubleshooting, and secure software delivery across multi-cloud and restricted-connectivity environments.

Develop and maintain enterprise-scale full-stack and platform services for Honeywell Forge and Cognition. Responsibilities include building containerized microservices, REST APIs, event-driven services, distributed systems, cloud and edge deployments, database integrations, automated testing, CI/CD, observability, troubleshooting, and secure software for Kubernetes, multi-cloud, restricted-connectivity, and air-gapped environments. Collaborate with architects, SRE, cybersecurity, QA, product, and engineering teams while owning features from design through production readiness.

Leads the design, development, administration, integration, governance, and production support of Microsoft Dynamics 365 and Power Platform CRM solutions. Develops Power Apps, Power Automate flows, plug-ins, JavaScript, and C#/.NET customizations; manages environments, deployments, integrations, testing, and releases. Serves as a technical escalation point, resolves complex production issues, supports sales and lead workflows, documents solutions, mentors developers, and partners with architects and business stakeholders.

Develop and maintain complex full-stack web applications, databases, APIs, and geospatial solutions for public health and emergency response programs. Responsibilities include feature development, requirements analysis, Agile DevOps delivery, SQL database administration, automation with Python and JavaScript, performance tuning, security configuration, troubleshooting, user support, and production of interactive cartographic products. The role also requires project documentation, schedule management, and collaboration with public health analysts, epidemiologists, and technical teams.

Develops, integrates, tests, deploys, maintains, and troubleshoots enterprise software across Microsoft platforms. Translates stakeholder requirements into secure web, desktop, cloud, API, and Microsoft 365 solutions. Builds AI-enabled and generative AI applications using LLMs, supports enterprise integrations, evaluates development standards and technologies, and provides technical leadership across projects. The role also collaborates with vendors, documents systems, supports lifecycle roadmaps, and advises legal and administrative stakeholders.

Design and implement cloud-native IoT software using Azure, serverless computing, TypeScript, React, and NestJS. Build scalable applications, APIs, and integrations for web, mobile, partner, and IoT devices. Develop automated tests, implement secure production code, maintain rollback capabilities, support products through on-call participation, and translate business requirements into technical designs. Collaborate using agile and paired programming practices while communicating complex technical concepts to business and product teams.

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.

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.

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.

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.

Provides hands-on technical leadership modernizing legacy .NET systems into scalable, cloud-native applications. Designs APIs, modular services, data-access patterns, and resilient architectures for high-volume operational workflows. Leads technical discovery, improves observability, security, performance, and maintainability, and mentors engineers through design and code reviews. Collaborates with Product, Architecture, Infrastructure, Security, Data, and Operations teams to deliver reliable, compliant solutions.

Designs, develops, modernizes, and supports enterprise applications using Angular, Blazor, C#, .NET, REST APIs, and Azure. Responsibilities include cloud modernization, production support, incident response, code reviews, CI/CD support, architecture, troubleshooting, and mentoring junior engineers. The role collaborates with business analysts, product owners, QA professionals, and engineering teams to deliver reliable, maintainable business-critical software.

Lead modernization of legacy .NET applications into scalable, cloud-native services supporting auction, logistics, payments, titles, and yard operations. Design APIs and domain-oriented architectures, improve reliability and observability, establish engineering standards, implement secure application patterns, and mentor engineers. Collaborate with Product, Architecture, Infrastructure, Security, Data, and Operations teams on complex technical initiatives.

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.

Owns end-to-end development of features for an enterprise public budgeting platform while modernizing a legacy monolith toward AWS. Responsibilities include requirements clarification, design, implementation, testing, code review, production support, and technical documentation. The role develops with C#, VB.NET, .NET Framework, SQL Server, ASP.NET, Telerik UI, and jQuery; mentors junior developers; collaborates with product and design teams; and uses AI coding assistants responsibly.

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.