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Кирилл Франк

@0005113

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Senior Java backend engineer at T-Bank who modernized its CRM engine and cut a key query from 3 seconds to 300 ms.

Uzbekistan

Message

At T-Bank, I own the core engine of an internal CRM platform used by 30+ teams. I led its migration to Java 21 and Spring Boot 3, and cut a key query from 3 seconds to 300 ms while reducing primary-database load fivefold.

I also delivered zero-downtime database and CRM migrations, and own the messaging layer and reliability of production services. At Kubik Platform LLC, I carved five microservices out of a monolith and helped make chat history three times faster.

Experience

Work history, roles, and key accomplishments

Current

Senior Java Developer

Current

T-Bank

Mar 2022 - Present (4 years 7 months)

Owns the core engine of the bank's internal CRM platform, leading architecture, modernization, and reliability efforts. Authored 20+ ADRs, led migration to Java 21 and Spring Boot 3, and improved database performance significantly.

Java Backend Developer

Kubik Platform LLC

Sep 2018 - Feb 2022 (3 years 5 months)

Carved 5 microservices out of a monolith, reducing release cycle from 2 weeks to several per week. Improved database performance and made Kafka processing idempotent, while raising test coverage to 80%.