Roman Khan
Junior .NET Developer | ASP.NET Core Web API Specialist
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About
Results-driven Junior .NET Developer with 1 year of hands-on experience designing and building scalable RESTful Web APIs using ASP.NET Core. Proficient in Entity Framework Core, SQL Server, and JWT-based authentication. Proven ability to deliver production-ready backend systems, including a Sales CRM and a BSM Management System.
Adept at writing clean, maintainable code and collaborating in agile development environments. Passionate about backend architecture and continuous improvement of API performance and security.
Experience
Junior.NET Developer at UnitFactor (2025-07 – Present)
Development & Design Solutions
- Designed and developed RESTful Web APIs using ASP.NET Core, following REST best practices and industry standards
- Built and maintained data access layers using Entity Framework Core (Code-First approach) with SQL Server
- Implemented JWT-based authentication and role-based authorization (RBAC) to secure API endpoints
- Developed core modules of a Sales CRM system — including lead management, pipeline tracking, and customer records APIs
- Contributed to a BSM (Business Support Management) system, building backend services for operational workflows and reporting
- Created and maintained Swagger/OpenAPI documentation for all API endpoints, enabling seamless frontend integration
- Wrote parameterized SQL queries and stored procedures to optimize database performance and prevent SQL injection
- Participated in code reviews, sprint planning, and daily stand-ups in an agile team environment
- Collaborated with frontend developers to define API contracts and resolve integration issues
Education
Bachelor – CECOS University of IT and Emerging Sciences
FSc – Working Folks Grammar High Secondary School & College
Metric – Working Folks Grammar High Secondary School & College
IT Diploma – Superior Professor Computer Institute
