- Migrating part of the system services (Python to Golang) with optimization.- Development of statistics storage services, system services, and integration with external services.

Solved various problems (REST API, parsing, microservices) in Python and Go for small businesses.

Participated in the development of a business process automation system for a major manufacturer of window systems.- Development of microservices.- Writing REST API.- Writing documentation.- Bug fixes.- Refinement and refactoring of libraries with common components of microservices.- Refactoring old microservices to a new architecture.- Writing unit tests.- Scrum(Jira)- CI/CDStack: - Golang, MongoDB - Git, BitBucket, GitLab, Docker - Kibana, InfluxDB - Swagger, Confluence

Developed an educational web application for elementary school students (homeschooling or additional lessons) and preschool children (preparation for school), the idea of ​​which is the interaction of the student with the school approximate to typical school attendance:- User recognition system:class (curriculum), billing.- Convenient delivery of educational materialuser for a day, taking into account his data(materials, assignments and homework,with time limits).- Automatic notification system(competitions, news).- Age-appropriate designapplication topics.- Administrative panel to rule those processes.Also supported the information functionality of the business:- Acquiring.- Promotion, advertising.- Uninterrupted work / refinement / changes.Stack:- Python, Flask, MySQL- HTML, CSS, JS (mostly Bootstrap)