Available to hire
Hi, I’m Sean Greeley, a Senior Full Stack Engineer with over 9 years of experience designing and delivering scalable, cloud-native software solutions for Fortune 500 companies. I specialize in building robust backend systems with .NET Core and modern frontends using Angular and React. I’m passionate about clean architecture, operational excellence, and mentoring teams to achieve great results.
I enjoy collaborating with cross-functional teams to create efficient, secure, and maintainable applications, and I thrive in fast-paced Agile environments. Whether it’s modernizing legacy systems or automating deployments using Docker and Kubernetes, I focus on delivering high-quality solutions that align with business goals.
Language
English
Fluent
Work Experience
Senior Software Engineer at Wipro
January 1, 2023 - PresentDelivered scalable, cloud-native full-stack solutions for global clients such as Apple and Walmart. Focused on microservices development, cloud infrastructure, and DevOps automation while mentoring cross-functional teams and optimizing system performance. Developed robust backend microservices using .NET Core, ASP.NET Web API, and Entity Framework Core with high concurrency. Integrated third-party payment gateways and internal APIs following secure, API-first design principles. Architected distributed caching solutions (Redis, Caffeine) to reduce latency and database load. Implemented Azure Cognitive Search for optimized query performance and developed secure identity management and authorization with ASP.NET Identity, JWT, and Azure AD integration. Built and deployed microservices in Docker containers orchestrated via Kubernetes (AKS). Automated infrastructure provisioning with ARM templates and Terraform. Reduced release times by 40% through CI/CD pipeline automation using Azure DevO
Senior Full Stack Developer at Microsoft
January 31, 2023 - July 15, 2025Contributed to secure, enterprise-scale applications for clients including Oscar Health and Anderson Merchandisers, focusing on high-availability backend systems and frontend modernization. Built secure REST APIs and services using ASP.NET Core, C#, and Entity Framework, supporting healthcare workflows and compliance. Migrated legacy ASP.NET Web Forms and VB.NET systems to modern .NET 6+ applications to enhance maintainability and performance. Integrated Azure Service Bus and Event Grid for asynchronous messaging and event-driven architectures. Tuned Azure SQL Database and Cosmos DB with efficient indexing and sharding for large datasets. Applied layered architecture, modular monolith, and event-driven patterns for better service boundaries and maintainability. Enforced SOLID, DRY, and KISS principles across backend and frontend codebases. Managed CI/CD pipelines with Jenkins, Git, and Azure Pipelines, integrating SonarCloud for code quality and automating secure build and deployment w
Software Engineer at Stein Mart
August 31, 2020 - July 15, 2025Developed and modernized internal enterprise systems supporting over 200 retail locations, contributing across full stack with emphasis on backend services, dashboards, and legacy modernization. Built internal applications using ASP.NET MVC, C#, and Entity Framework for sales reporting, inventory tracking, and loyalty systems. Maintained and enhanced legacy VB.NET, ASP.NET Web Forms, and ADO.NET codebases during architecture transitions. Migrated classic ASP and Web Forms frontends to Angular, introducing modular design and real-time interactive dashboards. Decomposed monolithic systems into Dockerized microservices, improving scalability, deployment speed, and development parallelism. Developed SOAP and RESTful integrations with third-party logistics and POS systems for reliable and secure data exchange. Implemented authentication and authorization using ASP.NET Membership Provider, custom role-based filters, and OWASP best practices. Optimized SQL performance with tuning and indexing
Education
Bachelor of Computer Science at University of South Florida
September 1, 2012 - May 31, 2016Qualifications
Industry Experience
Software & Internet, Retail, Healthcare, Financial Services, Professional Services
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