• Identified defects in Microsoft Windows Server 2019 related to UI Automation as the causes of the nightly testing failures• Enhanced and maintained the company’s vast codebase by adding new features and implementing fixes in both Desktop and Web applications• Collaborated and developed solutions to issues of various customers such as Disney, HP, ABBY, UPMC

• Developed an SMS Service that is used by 68000 people on a regular basis. ➢ It supports REST API, makes asynchronous requests and uses Memcached which resulted in clients’ 2.5x faster data retrieval and lesser load on the server database.• Maintained 23 microservices. ➢ Solved more than 200 Jira tickets which led to an acceleration of the development processes in the company and being 3 months ahead of the development schedule.• Promoted to lead a team of 3 junior backend developers and as a result, developed an MVP in less than 2 months.• Developed new TEZ Customs project, which is related to administering freight traffic between countries (KZ, RU, CN)• Mentored 4 talented interns leading to 2 of them successfully starting their jobs at the company• Integrated messaging broker RabbitMQ into the company’s microservices building a fault-tolerantarchitecture which prevents data loss• Translated 7 microservices from IBM Websphere (Java EE) to Open Source (Spring Boot) which saved company’s expenditures and time. As another result, the code became more modern, clear and well-written.• Performed Load Testing simulating 10000 simultaneous user requests and consequently identified system’s weak spots.

● Worked on programming Sphere RVR robot via Arduino to navigate users to the required locations● Integrated hardware control with Mobile Application via Bluetooth Module HC-05