Payment service provider- Took part in the development of the largest payment system Yandex PSP.- Wrote a lot of internal integrations with external payment systems.- Also directly involved in the development of the core of the payment system.- Wrote Yandex Bank integrations with payment service provider

- Developed an annual course program for the Middle+ developer level- Designed lectures and homework assignments

- Reviewed student's homework assignments (pull requests on GitLab)- Developed exam questions- Designed new assignments

- Contributed to the development of emergency fire systems alerts, ensuring that they were effective and efficient in alerting the company's staff to potential fire hazards.- Assisted in the maintenance of fire systems alerts, regularly testing and updating them to ensure they were operational and up-to-date with industry standards.- Collaborated with team members to identify areas for improvement in the emergency fire systems alerts, resulting in increased safety measures and better response times.