Modern Technical Lead · End-to-End Full-Stack Developer
Innovative software professional with 9+ years of experience (2017 – Present) in architecting and delivering enterprise-grade, scalable, and secure applications. A strong end-to-end single-handed developer capable of handling complete project lifecycles from ideation to production deployment.
As a Technical Lead at HCLTech, I drive large-scale client projects, mentor development teams, and champion modern architecture and best practices. Expertise spans full-stack development with cutting-edge technologies, cloud-native solutions, and emerging frameworks.
Siva Sankar
Modern Technical Lead · HCLTech
Chennai, India (Remote)
End-to-End Developer · .NET · Azure
Technical Skills
Programming Languages
C#, .NET Core, .NET Framework, Kotlin, JavaScript, TypeScript, VB.NET
Backend & APIs
ASP.NET Core, ASP.NET Web API, MVC, Web Forms, REST APIs, Swagger, OpenAPI, LINQ, Hangfire, Serilog, SMTP
Frontend
Angular, HTML, CSS, JavaScript, jQuery, Bootstrap
Databases
Microsoft SQL Server, PostgreSQL, Microsoft Access, Database Design
Cloud & DevOps
Microsoft Azure, Azure App Service, Azure AD, Azure DevOps, Jenkins, AWS (S3, Route 53)
Architecture & Practices
Clean Architecture, SOLID, DDD, OOP, OWASP, RBAC, Agile
Tools
Git, GitHub, Bitbucket, Jira, Postman, API Testing
Domain Experience
Inventory Management, B2B Order Management, Payment Gateways, SMS Gateway, HRM & Verification Systems
Leadership & Development Approach
Technical Leadership
As a modern technical lead, I guide teams through complex projects, fostering innovation and ensuring delivery of high-quality solutions. I mentor junior developers, conduct code reviews, and implement best practices in agile environments.
End-to-End Single-Handed Development
Proven capability to independently manage full project lifecycles, from requirement analysis and architecture design to implementation, testing, deployment, and maintenance. This hands-on approach ensures efficiency, quality, and rapid delivery in dynamic environments.
Work Experience
HCLTech
Leading backend and API development for large-scale client applications. Designing scalable, secure REST APIs using ASP.NET Core and EF Core. Working extensively with Azure App Service, Azure DevOps, CI/CD pipelines. Implementing advanced filtering, logging, and performance optimizations. Mentoring developers and enforcing clean architecture & best practices.
EagleBurgmann
Worked as an individual contributor on enterprise product development. Designed and developed scalable .NET Core Web APIs applications. Implemented Azure SSO, OAuth2, JWT, and role-based authentication. Migrated legacy ASP.NET Web Forms applications to modern API-based systems. Managed deployments across DEV, QA, and PROD using Azure DevOps.
DSSI Solutions India Pvt Ltd
Strengthened REST API foundations and improved system performance. Implemented global exception handling, request/response logging. Optimized LINQ queries for filtering, sorting, and pagination. Fixed broken access control issues to improve application security. Designed and optimized database relationships.
Turing Minds Subsidiary of A4 Garments
Worked as a solo full-stack developer in a product startup environment. Designed and built scalable applications following SOLID, DDD, and OWASP principles. Developed multi-tenant and franchise-based systems with timezone support. Used Git, Bitbucket, Jira, Azure Boards for version control and project management.
Projects
Client Project – 2 (HCLTech)
Enterprise backend system with secure REST APIs, advanced filtering (Sieve), Azure-hosted services, and CI/CD pipelines.
ASP.NET Core · Web API · EF Core · SQL Server · Azure DevOps
Client Project – 1 (HCLTech)
Backend services supporting complex business workflows and cloud deployments.
.NET Core · C# · SQL Server · Azure App Service
Vector Analysis (EagleBurgmann)
Proprietary engineering software for calculating reliable performance data.
.NET Core 8 · Angular · EF Core · MSSQL · Azure
Engineering Seal (EagleBurgmann)
Cost analysis & measurement protocol system improving efficiency and profitability.
.NET Core · Web API · MVC · Azure · SQL Server
Verification Tracking System (DSSI Solutions India Pvt Ltd)
HRM validation system with secure access, logging, and optimized DB operations.
.NET Core · Web API · EF Core · MSSQL · IIS
E-Learning Application (Turing Minds Subsidiary of A4 Garments)
Competitive exam learning platform with payment gateway integration.
.NET Core · Web API · EF Core · MSSQL · Payments
B2B Order Management (Turing Minds Subsidiary of A4 Garments)
SaaS-based B2B ordering platform for wholesalers and distributors.
.NET Core · PostgreSQL · EF Core · AWS
Inventory Management (Turing Minds Subsidiary of A4 Garments)
Stock sales & transfers with barcode / QR tracking and tax invoice generation.
.NET Core · PostgreSQL · EF Core · WinForms · IIS
Education
B.E – Computer Science & Engineering
Kongunadu College of Engineering and Technology - Thottiyam
2013 – 2017
Higher Secondary – Computer Science
Government Boys Higher Secondary School- Thottiyam
2011 – 2013