Rauf Rafizade

- Contributed the design and development of multiple enterprise-level microservice applications for the SİMA mobile app, supporting over 2 million users. - Utilized a modern tech stack, including C#, .NET, MongoDB, Microservices, CQRS, Mediator, and Clean Architecture, to build scalable and secure solutions that enhanced performance, ensured reliability, and efficiently handled high traffic volumes. - Implemented a Legal and Governmental Entity Solution in the SİMA app, increasing user capacity by 20%. This feature utilized background workers to manage the creation of legal contracts in PDF format, automating and streamlining the process for corporate users. - Built a web-based signing solution that allows users to sign documents using an e-signature card and USB token hardware. Developed the software side using .NET Standard and applied ASN1 encoding/decoding for secure transactions. - Integrated multiple signature formats, including PadES, XadES, eDoc, Adoc, and ASiC, ensuring compliance with various standards and legal requirements. - Enhanced security by upgrading the encryption level from SHA128 to SHA256, ensuring higher data protection and robustness. -Conducted comprehensive testing using xUnit to ensure the reliability and performance of the application.

- Developed an internal tool for managing the admin system of POS terminals using Clean Architecture, Javascript AJAX and Mediatr. - Created a dynamic Telegram bot that streamlined communication between sales staff and the core API, significantly improving efficiency. The bot allowed the admin to dynamically manage commands through a Windows Form interface. - Implemented a background task scheduler using the Quartz .NET library to synchronize users' orders and items sold from Shopify and WooCommerce with the POS system. - Provided ongoing support for all core API services that facilitated the operation of POS systems.

- Led the development of a management system of mobile app that converts daily steps into monetary credits for users to support individuals in need, using .NET Core, MVC, Clean Architecture, MSSQL, and EF Core - Enhanced the usability of admin management interfaces using JavaScript, jQuery, and Mediatr streamlined data handling processes that led to a 40% reduction in user interaction errors across all functionalities.

- Mentored 3 groups in frontend and backend development, focusing on database skills and .NET Core, achieving high graduation success rates. - Guided trainees in coding, web development, and database integration, while enhancing their problem-solving skills.