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I'm Kalayan Roy Chowdhury, a detail-oriented Software Engineer with hands-on experience in designing, developing, and maintaining .NET Core and database-driven applications. I excel in C#, ASP.NET Core, MVC, Entity Framework, and PostgreSQL, with a strong focus on performance optimization, clean architecture, and secure coding practices. I'm passionate about building real-time and modular systems that improve efficiency and reliability. I enjoy collaborating with cross-functional teams, troubleshooting complex issues, and delivering scalable software solutions. I am committed to writing clean, maintainable code and continuously improving system performance in alignment with modern software engineering standards.…I'm Kalayan Roy Chowdhury, a detail-oriented Software Engineer with hands-on experience in designing, developing, and maintaining .NET Core and database-driven applications. I excel in C#, ASP.NET Core, MVC, Entity Framework, and PostgreSQL, with a strong focus on performance optimization, clean architecture, and secure coding practices. I'm passionate about building real-time and modular systems that improve efficiency and reliability. I enjoy collaborating with cross-functional teams, troubleshooting complex issues, and delivering scalable software solutions. I am committed to writing clean, maintainable code and continuously improving system performance in alignment with modern software engineering standards.

Kalayan Roy Chowdhury

Developer, Web Developer, Full Stack Developer, +2

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I'm Kalayan Roy Chowdhury, a detail-oriented Software Engineer with hands-on experience in designing, developing, and maintaining .NET Core and database-driven applications. I excel in C#, ASP.NET Core, MVC, Entity Framework, and PostgreSQL, with a strong focus on performance optimization, clean architecture, and secure coding practices. I'm passionate about building real-time and modular systems that improve efficiency and reliability. I enjoy collaborating with cross-functional teams, troubleshooting complex issues, and delivering scalable software solutions. I am committed to writing clean, maintainable code and continuously improving system performance in alignment with modern software engineering standards.…I'm Kalayan Roy Chowdhury, a detail-oriented Software Engineer with hands-on experience in designing, developing, and maintaining .NET Core and database-driven applications. I excel in C#, ASP.NET Core, MVC, Entity Framework, and PostgreSQL, with a strong focus on performance optimization, clean architecture, and secure coding practices. I'm passionate about building real-time and modular systems that improve efficiency and reliability. I enjoy collaborating with cross-functional teams, troubleshooting complex issues, and delivering scalable software solutions. I am committed to writing clean, maintainable code and continuously improving system performance in alignment with modern software engineering standards.

Available to hire

I’m Kalayan Roy Chowdhury, a detail-oriented Software Engineer with hands-on experience in designing, developing, and maintaining .NET Core and database-driven applications. I excel in C#, ASP.NET Core, MVC, Entity Framework, and PostgreSQL, with a strong focus on performance optimization, clean architecture, and secure coding practices.

I’m passionate about building real-time and modular systems that improve efficiency and reliability. I enjoy collaborating with cross-functional teams, troubleshooting complex issues, and delivering scalable software solutions. I am committed to writing clean, maintainable code and continuously improving system performance in alignment with modern software engineering standards.

Skills

.NET

PostgreSQL

Power BI

Experience Level

Expert

.NET

Expert

PostgreSQL

Expert

Power BI

Intermediate

Work Experience

Senior Software Engineer at Moulik Solutions- Chawbazar

March 1, 2022 - November 3, 2025

Senior Software Engineer responsible for managing database-driven systems, ensuring accurate data recording and timely updates; led automated data tracking and reporting modules reducing response time by 30%; collaborated with cross-functional teams to resolve data inconsistencies and maintain safety-related records; supported data accuracy and compliance documentation.

Junior Software Engineer at Extreme Solutions - Chomohoni, Chattogram

February 1, 2022 - February 1, 2022

Junior Software Engineer supporting data entry and record management for production and warehouse systems; ensured data accuracy and confidentiality; assisted in system migrations and prepared monthly incident summaries using MS Excel and Power BI.