Andrey Kletsko Email & Phone Number

Вильнюс, Вильнюсский Уезд, Литва

* Reworking the ETL system from a proprietary solution. This made it possible to speed up data processing in almost real time and reduce server costs several times.* Developed a solution to automate the work of testers for a third-party system during release. This made it possible to reduce the release time of individual games to several minutes instead of an hour.* Improved the monitoring system by introducing metrics based on data analysis. Thanks to this, the activation of triggers and the number of incidents have decreased.* Solved a technically difficult problem connecting to the company's data lake, which involved fixing the aioodbc driver. This allowed to increase the uptime of instances and get rid of incidents related to connection problems.

Вильнюс, Вильнюсский Уезд, Литва

Минск, Республика Беларусь

* As a technical lead developed and launched a system for managing and hiring employees. Participated in the launch of the system for third-party customers and their integrations.* Participated in the development and launching of a fully automatic system for the synthesis of chemical compounds. Participated in calibration of the chemical mechanism based on the developed system and production testing.* Developed a distributed monitoring system for data providers, which reduced the cost of resolving incidents and increased the availability of provider services.* As a tech lead worked on the backend for a cross-platform application. Mentored engineers who improved their skills (grown from Junior to Middle level). * Developed solutions for large retail for monitoring equipment and systems. The project worked on more than 118,000+ pieces of equipment and 21,000+ stores.* Developed a solution for migrating a project from serverless to microservices. As a result, infrastructure costs were reduced by 75% and more than 450+ serverless modules were migrated.

Минск, Республика Беларусь

* Developed the interface of the embedded system and the backend for it. As a result, the system has been built into more than 11,000+ devices worldwide.* Worked on a high-load payment gateway for the major bank in Europe.

* Integrated 10+ providers for traffic analysis and marketing content generation.* Developed a fully automated marketing email distribution system. The system could send out more than 30,000+ emails per minute and registered new emails automatically.