Kostiantyn K.
Location Map Pin Ukraine
Main Clock UTC+02:00 (Europe/Kiev)
Attention to detail Efficient multitasker Communicability
* Built integrations in Python to extract data from 20+ external APIs (REST, GraphQL, and SFTP) for a fast-growing data platform that was used by 500+ clients to optimize their advertising campaigns. * Designed a Python application to enable non-developers to create and configure batch ETL pipelines. * Maintained adtech-related ETL pipelines in Python, SQL, R to ensure data correctness, increase throughput, and enhance pipeline reliability.