Mohammad Ghaffary Email & Phone Number

Iran

Nobitex is the biggest cryptocurrency exchange in the country with +10 million active users - Implemented a RabbitMQ-based message broker for getting withdrawals and deposits related to the exchange, and parsing them.- Refactoring legacy codebase and decoupling services.- Refactored the Nobitex Explorer project by implementing multithread functions for efficient blockchain data retrieval.- Established a simulation scenario to test the whole cycle of coin deposit detection using Pytest and Schedule.- Designed and implemented a new way to deposit currencies in under-pressured circumstances- Deployed new explorer providers for BSC, LTC, BCH, BTC, AVAX, ETH, and ARB blockchain networks, adhering to design patterns.- Reviewing merge requests and taking care of maintainability.- Contributing to all phases of the development life cycle.

Estonia

I worked on an application(Misalearn) which is an innovative startup offering a language learning application.- Reduced database hitting by 80% for calculating user dictionary state, using async precalculate celery tasks, and storing the results in a MongoDB-related table.- Decreased client requests by 95% in the area of getting the latest update of Oxford words by designing and building a structure to deliver all updated words as encrypted(AES-256) JSON files, generated periodically using celery-beat.- Implemented auto-generation documents of APIs with 100% coverage using Swagger and overriding some of its classes to support all data type fields and Django-filter APIs.- Fine-tuning SQL queries to speed up the queries' execution time by up to 60%.- Accelerated backend development by creating common concrete APIs, optimally and efficiently, for example, bulk delete/update/create, filter, filter-admin, admin, and setting/user setting/global setting.

Tehran, Iran

Farafan is a telecommunications-integrated and information technology solution provider company with 500+ employees- Django Developer(VirusPaad): A project to scan files using 40+ antivirus accessible from both of kiosk and website.- Extended Django backend to communicate with various third-party tools including Samba, FTP, and Nextcloud.- Build 15+ Linux and Windows antivirus agents, using regex and executing OS CL by Python.- Generated a comprehensive backend logging system that captures user, device(kiosk), setting, and scan types, using DB, Syslog, HTTP, and file custom logging handlers.

- Automated 80% of manual tasks required by the telecommunications department using Python, Postgre, and Clickhouse.- Improved the speed of SQL execution related to mobile internet data requirements by 90%, reducing the duration from 1 hour to just 10 seconds. This was achieved by optimizing the big query and presenting the stored data in Grafana.- Negotiated with customers and applied new requirements in cooperation with the whole team.

Tehran, Iran

Flask backend developer on a project with multiple antivirus to scan files parallel, with redis and celery

Master Of Technology - Mtech, Information Technology Electronic Commerce

Bachelor'S Degree, Information Technology Engeeniering