* Worked in the Persona integration for new KYC flow.

* Worked for a large telecom operator in the Netherlands where we handled 50 to 150 concurrent users, 1.8 million products, processed around 2 million orders successfully, and the system is connected with at least 12 external systems.* Lead a team of 6 members and managed everything from task breakdown to production deployment including implementation planning and coding.* Ensured the highest level of security and certified as a secured system by pen testers.* Actively participated in the architectural decision-making.* Mentored and monitored juniors and prepared them for the next phase.

* Worked as part of the core development team for 6 months for a large telecom operator in the Netherlands.* I built an ERP comparison platform where I had to lead a small team of 4 members.* Developed several reusable components including base API classes to write code for common operations like CRUD with minimal code and effort.* Structure data import codes in a way, so that they can be used for any type of file import in a generic way.* Tried to achieve maximum test coverage using Pytest and vrcpy.* Ensured the highest code quality and syntax using flake8, isort, and black.

* Worked for an e-commerce platform for the EU market.* Worked in the BE part of a mobile app that matches part-time employers and employees for the EU market.* Developed core components like generic API response with multilingual option.

* Worked in the backend part of Accounting, Inventory, Asset, and LC management part of the largest ERP system in Bangladesh.* Prepared several standard and customer-specific reports and improve the performance of existing reports up to 90 percent by code and query optimization.