Hello, my name is
Gautam Kumar
And I'm a passionate
Building scalable backend systems with .NET, SQL, Azure & API Integrations.
Resume⬇️

About me

My name is Gautam Kumar and I'm a

Dedicated .NET Backend Developer with over 2 years of experience building scalable web applications, RESTful APIs, and secure payment workflows using ASP.NET Core, C#, and SQL Server. Skilled in integrating third-party APIs, optimizing databases, and working with cloud storage solutions like Azure Blob and AWS S3. I have contributed to large-scale travel booking platforms, improved system performance, and delivered production-ready features in agile teams. Passionate about clean architecture, problem-solving, and creating reliable backend systems that enhance user experience and business growth.

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Qualification

MCA – Master of Computer Applications

Indira Gandhi National Open University (IGNOU), 2022 – 2024

Full-Time Web Development Program

Masai School, 2022 – 2023

BCA – Bachelor of Computer Applications

Anugrah Memorial College, Magadh University, 2018 – 2022

Higher Secondary (12th)

Gaya Evening College, 2016 – 2018

My skills

.NET Core / MVC

C#

Entity Framework

REST APIs

SQL Server

MySQL

LINQ

Razorpay

Stripe

Azure Blob Storage

AWS S3

GitHub

Postman

Swagger

HTML

CSS

JavaScript

jQuery

AngularJS

java

C

C++

My Expertise

BACKEND DEVELOPMENT (ASP.NET Core, C#, REST APIs)

DATABASE MANAGEMENT & SQL OPTIMIZATION

CLOUD INTEGRATION (AZURE BLOB & AWS S3)

API & Payment Gateway Integrations (Stripe, Razorpay)

FRONTEND DEVELOPMENT

DATA STRUCTURES & ALGORITHMS

COMMUNICATION & TEAM COLLABORATION

Projects

Travel Booking Backend System

Designed and developed a scalable backend for a full travel ecosystem including Holiday Packages, Visa Processing, Activities, Staycations and Blogs. Implemented region-wise flows and APIs so the same platform can serve multiple countries with different content, pricing, and layouts.

Tech-Stack

ASP.NET Core MVC | C# | SQL Server | Azure Blob | AWS S3
  • Built 80+ REST APIs consumed by web and mobile platforms.
  • Integrated external APIs (Activities, Exchange Rates, etc.).
  • Implemented blog module APIs for SEO-friendly content pages.
  • Optimized SQL queries & stored procedures to improve performance.

Admin Panel Management System

Developed and enhanced 5+ robust admin dashboards used to manage bookings, coupons, blogs, users, SEO settings and content across multiple countries. Worked on both frontend and backend for admin modules and ensured clean architecture with role-based access.

Tech-Stack

ASP.NET Core MVC | C# | SQL Server | HTML | CSS | JavaScript | jQuery | Bootstrap
  • Created 3 admin panels from scratch and enhanced 2+ existing panels.
  • Implemented Role Master with secure role-based access and audit history.
  • Built blog management screens (create/update/publish) with preview support.
  • Developed SEO configuration in admin (meta tags, slugs, titles, canonical, etc.).
  • Added auto sitemap generation and controls so SEO team can modify SEO data from admin.

Payment, Coupon & Notification System

Built a secure and high-performance payment workflow integrating Razorpay and Stripe, along with a flexible coupon engine and user notification automation. The system supports conditional discounts, campaign-based offers, and automated reminders for users.

Tech-Stack

C# | ASP.NET Core | Razorpay API | Stripe API | SQL Server | SMTP
  • Integrated Razorpay & Stripe with secure signature validation and error handling.
  • Implemented flexible coupon logic (user-specific, date-based, amount-based, and module-wise usage).
  • Created admin screens to configure and monitor coupon rules and usage.
  • Built automated email/SMS notifications for booking status, payment reminders and abandoned booking follow-ups.
  • Linked notification templates with admin so business/SEO team can update content without code changes.

Statistics

100+

REST APIs

Developed & Maintained
50+

Stored Procedures

Optimized for Performance
8+

Projects/Admin Panels

Completed & Enhanced
150GB+

Cloud Data

Managed on Azure & AWS
2+ Years

Professional

Development Experience
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Contact me

Get in Touch

Reach out to me, and let's work together on something exciting. Big or small on web Applications.

gautamk1336@gmail.com
LinkedIn
GitHub
+91 8002834828
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