Balakrishnan Thangaraj
Alpharetta
Summary
Technical Lead with 13+ years of experience delivering enterprise-scale web applications across Healthcare, Retail, B2B, and Enterprise IT domains. Strong expertise in .NET full-stack development, system modernization, and scalable architectures. Proven ability to lead cross-functional teams, drive end-to-end delivery, and translate complex business requirements into secure, high-performance solutions.
Overview
15
15
years of professional experience
Work History
Technical Lead
Tata Consultancy Services (TCS)
09.2023 - Current
- Built an enterprise healthcare appointment scheduling platform for eye-care services
- Designed real-time scheduling with doctor availability and conflict prevention
- Implemented secure authentication and role-based access control
- Enabled automated reminders and notifications to reduce no-shows
- Integrated online payments, insurance verification, and e-commerce for optical products
- Supported remote consultations and centralized patient medical & exam records
- Delivered a scalable, modular architecture supporting future expansion
- Client: National Vision Inc., USA
- Project: Corporate Applications – Appointment Scheduler (Healthcare)
Technical Lead
Tata Consultancy Services (TCS)
11.2020 - 09.2023
- Led development of enterprise retail platforms supporting large-scale store operations
- Delivered enhancements improving performance, stability, and scalability
- Supported business-critical workflows across ordering, pricing, and store operations
- Ensured high availability and stable production releases
- Client: PGA TOUR Superstore, USA
- Project: Enterprise Retail Web Applications
Technical Lead
Tata Consultancy Services (TCS)
09.2020 - 11.2022
- Led development of a secure B2B ordering platform for perishable and non-perishable goods
- Implemented term-based payments, enhanced ACL security, and SKU management
- Enabled admin capabilities for vendor management, order tracking, audits, and reporting
- Designed architecture for high-volume transactions and scalability
- Delivered solution from design through production rollout
- Client: Netsolace Inc.
- Project: Berry Direct – B2B Ordering Platform
Technical Lead
Tata Consultancy Services (TCS)
01.2020 - 09.2020
- Led modernization and enhancement of retail systems
- Delivered improvements with minimal production impact
- Supported enterprise integration and deployments
- Client: Michaels
- Project: WISP Enhancements (Retail Systems)
Technical Lead
Tata Consultancy Services (TCS)
01.2019 - 12.2019
- Migrated applications from Windows Server 2003 to 2016
- Upgraded applications to .NET Framework 4.7+
- Rewrote Classic ASP and VB applications into modern .NET
- Prepared HLD and LLD for enterprise modernization
- Delivered modernization with high quality and minimal downtime
- Client: JCPenney, USA
- Project: Windows & Application Modernization
Tech Lead
Infosys Ltd
03.2018 - 10.2018
- Designed and developed AMS transition and intake automation portal
- Built release and infrastructure roster modules
- Automated onboarding and transition workflows
- Improved operational efficiency and visibility
- Client: MetLife, USA
- Project: GATI – Global Application Transition & Intake
Developer
Plintron Global Technology Pvt. Ltd
10.2013 - 02.2018
- Developed SIM distribution and sales management system with role-based access
- Implemented retailer activation, commission mapping, top-ups, and dashboards
- Supported multi-level user hierarchy (Admin, Wholesaler, Branch, Retailer)
- Participated in full SDLC, including database design and development
- Client: Lyca, UK
- Project: Distribution & Sales Management (DSM)
Software Engineer
ILink Multitech Solutions Pvt. Ltd
02.2011 - 07.2013
- Developed enterprise collaboration portals
- Customized SharePoint solutions, branding, and content management
- Built PowerShell automation scripts for backups and restores
- Developed custom forms using JavaScript and SharePoint tools
- Client: Univar, USA
Education
Master of Computer Applications -
Anna University
Chennai, India01.2010
Skills
- Backend: C#, NET Core, ASPNET MVC, Web API, WCF, Entity Framework, LINQ
- Frontend: Angular, React, JavaScript, TypeScript, HTML5, CSS3, Bootstrap
- Database: SQL Server, T-SQL, SSIS, Teradata
- DevOps & Tools: Azure DevOps, Git, Jenkins, Docker, Terraform, JIRA, SonarQube, Postman
- Methodologies: Agile, Scrum, SDLC
- Platforms: Windows Server 2003/2008/2016/2019, Windows 10/11
Technical Leadership & Delivery Responsibilities
- Led end-to-end application delivery including architecture, development, testing, and deployments
- Conducted business workshops and translated requirements into technical solutions
- Designed scalable, secure application architectures
- Performed code reviews, enforced standards, and mentored team members
- Managed UAT, production releases, and post-production support
- Coordinated with business, QA, infrastructure, and DevOps teams
- Identified risks and implemented performance and quality improvements
Additional Information
- Location: Alpharetta, GA, USA
- Work Authorization: H1B
- Nationality: Indian
Timeline
Technical Lead
Tata Consultancy Services (TCS)
09.2023 - Current
Technical Lead
Tata Consultancy Services (TCS)
11.2020 - 09.2023
Technical Lead
Tata Consultancy Services (TCS)
09.2020 - 11.2022
Technical Lead
Tata Consultancy Services (TCS)
01.2020 - 09.2020
Technical Lead
Tata Consultancy Services (TCS)
01.2019 - 12.2019
Tech Lead
Infosys Ltd
03.2018 - 10.2018
Developer
Plintron Global Technology Pvt. Ltd
10.2013 - 02.2018
Software Engineer
ILink Multitech Solutions Pvt. Ltd
02.2011 - 07.2013
Master of Computer Applications -
Anna University