Position: Middle Java developer
Category: Java
English level: intermediate
Years of experience: 3

Solved more than 200 Jira tickets which led to an acceleration of the development processes in the
Company. Most of the bugs were resolved in less than 30 minutes.
Have experience with writing difficult SQL queries, spliting into microservices, writitng algorithmic solutions
Software Engineer
• Worked as a team lead supervising a couple of junior engineers. Reviewed 4-5 MRs per week
• Developed interaction services with Play Market and App Store webhooks
• Incorporated API calls to several applications, and stored data efficiently in PostgreSQL database.
• Migrated a MySQL Database to PostgreSQL
• Integrated Amplitude analytics service to get users’ events stats
• Redesigned project architecture from monolith to microservices
• Developed new TEZ Customs project, which is related to administering freight traffic between
countries (KZ, RU, CN)
• Developed service to authenticate by electronic digital signature
• Implemented service to send notifications to 2 M users using Apache Kafka
• Created a cron job to periodically collect daily billing stats with an opportunity to get monthly report by
Telegram integration
• Developed Excel file parser to get and save invoices’ data

Technologies used:
Java • Kotlin • Spring Boot • Hibernate • Redis • PostgreSQL • Kafka • Docker • Linux • Git