Aleksandr Kolmakov
Angestellt, Senior Data Engineer, Freelance
Bonn, Deutschland
Über mich
Seasoned and dynamic professional with over 5 years of hands-on experience in building scalable data architectures and leading high-performing teams. Strong foundation in data modeling, analytics processing engines, and storage systems, combined with a strategic approach to aligning team efforts with customer needs. A proven motivator and communicator, adept at fostering a culture of collaboration, continuous improvement, and technical excellence within diverse, international teams. Fluent in English and committed to driving engineering perfection in cloud-native integrations.
Werdegang
Berufserfahrung von Aleksandr Kolmakov
Bis heute 4 Monate, seit März 2024
Senior Data Engineer
Freelance
Successfully converted partially manual Google spreadsheet analytics to fully automated Superset dashboard with DBT core and Mage including data modeling overhaul. Introduced event driven (RedPanda + PyFlink) messaging to process the 5k notifications per day reducing overall delivery delay by 40%.
8 Monate, Juni 2023 - Jan. 2024
Senior Data engineer
Sensemitter
Converted current batch workflow to streaming solution with Dataflow on GCP to optimize emotion recognition pipeline and allow for frame by frame recognition. Used dbt to reduce data quality issues in analytics reports by 30%. Implemented first working prototype of Delta Lake over existing object storage which reduced storage used for popular campaigns down to 40% and allowed for pipeline comparison reports using time travel feature.
3 Jahre und 3 Monate, März 2020 - Mai 2023
Machine Learning Engineer
Arloid
Pioneered and supported full RL pipeline from concept to production launch on live buildings. Optimized data analytics workflow by 50% via introducing Stardog to map out all relations between equipment. Upgraded and scaled BMS data extraction pipeline to use Airflow orchestration with horizontally sharded MongoDB Atlas.
2 Jahre und 11 Monate, Apr. 2017 - Feb. 2020
Senior Backend Developer
Distillery
Sprachen
Englisch
Fließend