Puviyarasu R

Technical Lead

Talent

SingaporeMember since October 21, 2026

C#.NET Framework.NET CoreASP.NET CoreASP.NET MVCWeb APIRESTful APIsAsync/AwaitEntity Framework CoreEntity FrameworkRepository PatternClean ArchitectureSOLID PrinciplesMicroservicesStored ProceduresViewsAzure DevOpsIntegration TestingCode ReviewsCI/CDREST APIsAgile ScrumDevOps

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C#.NET Framework.NET CoreASP.NET CoreASP.NET MVC

About

Technical Lead with 16+ years of experience designing and developing enterprise-scale backend applications using C#, .NET Framework, .NET Core, .NET 8, ASP.NET Core, Web APIs, Entity Framework Core, SQL Server, and Azure. Strong expertise in developing high-performance, scalable, and maintainable applications using SOLID principles, Clean Architecture, Dependency Injection, asynchronous programming (async/await), REST APIs, Microservices, and Domain-Driven Design. Extensive experience debugging complex enterprise systems, optimizing SQL performance, designing backend services, implementing CI/CD pipelines using Azure DevOps, and working within Agile Scrum teams.

Passionate about writing clean, testable code with strong knowledge of software engineering best practices, performance optimization, and cloud-native development.

Experience

Technical Lead / Software Development Manager - Omnicom Singapore - Singapore

(2024-02)

Lead the design, development, and delivery of enterprise-grade backend applications using C#, .NET 8, ASP.NET Core, RESTful APIs, Entity Framework Core, and SQL Server.
Design scalable, high-performance microservices and cloud-native solutions following Clean Architecture, SOLID principles, and Dependency Injection.
Develop and optimize asynchronous services using async/await, improving application performance and scalability.
Implement CI/CD pipelines using Azure DevOps, automate deployments, and enforce code quality through peer reviews and engineering best practices.
Integrate enterprise applications with third-party platforms, including payment gateways and cloud services, using secure REST APIs.
Optimize SQL queries, stored procedures, and database performance for high-volume enterprise applications.
Mentor development teams, conduct technical design reviews, troubleshoot complex production issues, and collaborate with cross-functional stakeholders in Agile Scrum environments.

Technical Lead - Capgemini Singapore - Singapore

(2022-11 - 2024-02)

Designed and developed enterprise backend solutions using C#, ASP.NET Core, Web APIs, Entity Framework Core, and SQL Server for Singapore Government and enterprise clients.
Built scalable RESTful APIs and integrated enterprise applications with internal and external systems.
Improved application performance through code optimization, database tuning, and efficient asynchronous programming.
Implemented Dependency Injection, Repository Pattern, and modern software engineering practices to improve maintainability.
Participated in code reviews, root cause analysis, production support, and Agile sprint planning.
Collaborated with architects, business analysts, QA engineers, and DevOps teams to deliver high-quality software solutions.

Associate Lead - Virtusa

(2019-11 - 2022-11)

Designed and developed enterprise applications using C#, .NET Core, ASP.NET MVC/Core, Entity Framework, SQL Server, and REST APIs.
Developed scalable backend services and integrated enterprise applications with third-party systems and cloud platforms.
Optimized database performance through query tuning, indexing strategies, and stored procedure enhancements.
Implemented secure authentication, authorization, and API integration using industry best practices.
Participated in architecture discussions, code reviews, debugging, and performance optimization for mission-critical applications.
Worked in Agile Scrum teams, contributing to technical design, development, testing, deployment, and production support.

Software Engineering Team Lead - Accenture

(2014-12 - 2018-01)