Karthikeyan Sampath Kumar

About Karthikeyan Sampath Kumar

Karthikeyan S is a Tech Lead with 13 years of experience in IT field in various Microsoft Technologies such as (.NET Core, Web API, ASP.NET MVC, Angular, Sql Server.etc) and Data Science (Data Cleaning, EDA, Business Insights, Tableau, Machine Learning Models, Deep Learning Models,etc.). He has a niche combination of Skills. He understand the Customer Problem quickly and efficiently interact with Customers to build relationship. He possess a good managerial skills and handles the team members in a effective manner to achieve Customer Goals. He is a learner and keep updating his skills regularly. He is ready to adhere new technologies and methodologies to efficiently solve the problems faced by Customers.

Experience

1. Technical Architect

   Tata Consultancy Services

   May 2025 — Present · Chennai, IN

   Architect and design enterprise applications using.NET Core, ASP.NET Core Web API, Clean Architecture, and Microservices.Implement Azure PaaS services – App Service, Functions, Event Hub, Service Bus, APIM, Logic Apps, Cosmos DB, Blob Storage, and Azure Load Balancer – to deliver cloud-native, scalable, and cost-optimized solutions.Leverage AWS services including S3, Batch Service, EventBridge, and SNS for hybrid-cloud and large-scale data processing needs.Build event-driven and API-first architectures with Ocelot API Gateway, RabbitMQ, CQRS, and Event Sourcing, ensuring resiliency, reliability, and smooth integrations.Drive performance tuning and optimization, applying caching strategies (Redis), SQL/PostgreSQL/MongoDB query optimization, and API response improvements.Collaborate with stakeholders to align architecture with business goals, ensuring secure, reliable, and high-performing applications.Provide technical governance through design reviews, risk analysis, and best practice adoption for scalability, maintainability, and cost efficiency.Act as a technical advisor in modernization initiatives, helping transition legacy systems into modern, cloud-native platforms.

Education

• Bishop Corrie Anglo Indian Higher Secondary School

  Computer Science

  2007 — 2011

• Anna University Chennai

  Bachelor of Engineering - BE, Computer Science

  2007 — 2011

• Great Lakes Institute of Management

  Post Graduate Program in Business Analytics and Business Intelligence, Data Science

  2019 — 2020

Skills

• Software Development
• Asp
• Asp.net Mvc
• Javascript
• Web Services
• Agile Methodologies
• Sdlc
• Solution Architecture
• Data Warehousing
• Ajax
• Asp.net
• Asp.net Ajax
• Vb.net
• Xml
• Ado.net
• Microsoft Sql Server
• Linq
• Web Applications
• Software Development Life Cycle (Sdlc)
• Entity Framework
• Soa
• C#
• .net
• Wcf
• Visual Studio
• Oracle
• Requirements Analysis