.net developer

ROBINA KHATUN

.NET Developer ASP.NET Core C# SQL Entity Framework Core

+91-626******* ***************@*****.*** LinkedIn GitHub PROFESSIONAL SUMMARY

.NET Developer with 3 years of experience designing and building enterprise-grade web applications using ASP.NET Core MVC, Web API, and Entity Framework Core. Skilled in object-oriented programming (OOP), SOLID principles, N-Tier architecture, and REST API development, with hands-on experience across the full SDLC in Agile/Scrum teams. Background in large-scale visa, appointment, and payment systems, covering requirements to production support, including third-party API integration and UAT. CORE SKILLS

Languages: C#, SQL, JavaScript

Backend & Frameworks: ASP.NET Core MVC, Web API, Entity Framework Core Frontend: HTML, CSS, Bootstrap, AJAX, Angular

Database: PostgreSQL

Architecture & Concepts: OOP, SOLID Principles, Design Patterns, MVC, N-Tier Architecture, REST APIs, SDLC, Agile/Scrum Tools: Visual Studio, VS Code, Git/GitHub, Postman, pgAdmin PROFESSIONAL EXPERIENCE

Dot Net Developer — XtraNet Technologies Pvt. Ltd., Bhopal, India Nov 2023 – Present

● Designed and developed enterprise-level modules for BLS International visa and appointment management systems used across multiple countries, using ASP.NET Core MVC and Entity Framework Core.

● Delivered new application features across the full SDLC, including requirements analysis, technical implementation, database changes, testing support, UAT coordination, deployment, and production support.

● Applied OOP and SOLID principles with N-Tier architecture to build scalable, maintainable applications with clear separation of concerns.

● Built and consumed REST APIs to handle CRUD operations, validations, and country-specific business workflows on PostgreSQL.

● Implemented appointment booking logic, slot availability, and application-processing rules tailored to individual country requirements.

● Developed responsive UI components using Bootstrap, jQuery, AJAX, and Kendo UI.

● Integrated multi-country payment gateways, managing transaction flow, callbacks, and compliance with secure payment standards.

● Debugged and resolved production issues, improving application performance and system stability.

● Collaborated with QA and cross-functional teams during Agile sprints.

● Used Git/GitHub for version control and participated in code reviews with the development team. KEY PROJECTS

BLS Project — Third-Party API Integrations

● Integrated travel insurance APIs including Simbo, Tata AIG and InPath, handling traveller and journey information through secure API communication.

● Implemented Google reCAPTCHA Enterprise v3 integration to strengthen bot protection and reduce fraudulent application submissions.

● Managed API authentication, JSON request/response handling, and centralized error logging for live issue resolution.

● Merged a payment gateway into the BLS Visa Application System, managing the full payment lifecycle including callbacks and transaction reconciliation.

● Coordinated with external technical teams during UAT and production to ensure successful release. EDUCATION

Master of Computer Application (MCA), Lakshmi Narain College of Technology (LNCTU), Bhopal, India 2021 – 2023 Bachelor of Science (BSc), Rani Durgavati Vishwavidyalaya (RDVV), Jabalpur, India 2018 – 2021 CERTIFICATIONS

● Foundational C# with Microsoft (2026)

● Salesforce Developer Virtual Internship — Apex Specialist, Process Automation Specialist (2023)

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