● Open to Work

sahilgandhe

IT Sr. Specialist – Applications at Aon with 4+ years of experience building scalable enterprise web applications and RESTful APIs using C#, .NET Core, ASP.NET Core, Angular, and React.
Gurgaon, India

About Me

IT Sr. Specialist – Applications at Aon with 4+ years of experience building scalable enterprise web applications and RESTful APIs using C#, .NET Core, ASP.NET Core, Angular, and React. Experienced in backend engineering, API development, SQL performance optimization, and CI/CD-based deployment workflows. Strong understanding of Clean Architecture, SOLID principles, and scalable application development in Agile environments.

Skills & Technologies

C#NET CoreASP.NET MVCASP.NET CoreWeb APIRESTful API DevelopmentEntity Framework CoreLINQMicroservicesJWT AuthenticationDependency InjectionAPI SecurityDesign PatternsObject-Oriented Programming (OOP)SOLID PrinciplesAngular 13Angular 14ReactTypeScriptHTML5CSS3BootstrapGitHub CopilotClaude AISQL ServerStored ProceduresQuery OptimizationIndexingDatabase DesignUnit TestingSwagger API documentationPython (from virtual experience)IIS DeploymentAzure App ServicesAzure Key VaultAzure Service BusAzure DevOps CI/CDGitAgile/Scrum

Work Experience

IT Sr. Specialist – Applications

Aon
May 2026NOW

Designed and implemented new partner category types in an enterprise portal using C#, ASP.NET Core, .NET Framework, Entity Framework, LINQ, and SQL Server, ensuring regression safety and backward compatibility. Enhanced admin workflows and UI with data-driven configurations and SQL-backed lookups avoiding hardcoded UI logic. Refactored business logic using SOLID and Clean Architecture principles along with database query optimizations. Delivered end-to-end features leveraging Dependency Injection, JWT Authentication, Azure DevOps CI/CD, and IIS deployment; utilized GitHub Copilot and Claude AI for code assistance. Contributed in Agile/Scrum environment ensuring backend stability and scalable cloud-ready design.

Software Engineer

TietoEvry India Pvt Ltd
Mar 2022Jan 2026

Progressed from Trainee Engineer to Software Engineer over four years developing features with .NET (C#), ASP.NET MVC/Core and integrating REST APIs. Optimized SQL Server performance via indexes and stored procedures. Built and maintained backend and UI using Angular and React. Adhered to Clean Architecture, SOLID principles, and Repository Pattern. Supported Azure DevOps CI/CD pipeline releases and contributed Swagger API documentation. Participated in Agile/Scrum sprint planning and code reviews ensuring high code quality and production readiness.

Projects

AON Assessment Portal

Extended an enterprise portal's domain model with a new partner category type using C#, ASP.NET Core and Entity Framework Core maintaining backward compatibility. Updated admin UI using ASP.NET Web Forms with SQL-backed lookup tables to improve user experience and eliminated hardcoded UI logic. Refactored complex C# business logic applying SOLID principles and Clean Architecture. Delivered a production-ready enhancement with end-to-end validation using Visual Studio and SQL Server Management Studio, accelerating development with GitHub Copilot and Claude AI and deploying via Azure DevOps.

C#ASP.NET Core.NET FrameworkASP.NET Web Forms+7

Integrity Connect

Architected a modular enterprise connectivity platform with RESTful APIs using ASP.NET Core and SQL Server, adhering to Clean Architecture. Developed React-based UI components integrated with backend services enabling seamless data flow. Implemented Azure DevOps CI/CD pipelines, significantly reducing production release times.

ASP.NET CoreReactSQL ServerAzure DevOps

ABG Rental Auto Application

Developed a policy lifecycle management system with ASP.NET Core, Angular, and SQL Server enabling end-to-end policy tracking. Optimized SQL queries and indexing to improve processing time by 25%. Built scalable backend RESTful APIs supporting critical rental business operations and reliable data transactions.

ASP.NET CoreAngularSQL Server

CashHaven Loan Application

Built a desktop loan management application using C#, WPF, and SQL Server supporting end-to-end loan workflows. Implemented strong exception handling and validations to ensure application stability and data integrity throughout all transactions.

C#WPFSQL Server

CoreBiz Services

Developed a B2B SaaS platform with RESTful APIs using ASP.NET MVC (Core) and Entity Framework Core. Applied Repository Pattern and integrated Swagger API documentation with structured API versioning to improve developer experience and maintainability.

ASP.NET Core MVCEntity Framework CoreLINQSQL Server+1

Education

Master of Computer Application

Computer Application

VIT University, Vellore2018 - 2021

Bachelor of Computer Application

Computer Application

G.I.C.T.S. College, Gwalior2015 - 2018
sahilgandhe - IT Sr. Specialist – Applications | HiringAnt