Ivan Leskin
Senior Software Developer at Nebius
Berlin, Germany
Summary
👤
Senior🎓
Top SchoolIvan Leskin is a Senior Software Developer with 10 years' experience designing and building high‑load, distributed data storage and processing systems, currently based in Berlin. He has deep expertise in GreenplumDB and PostgreSQL core and extension development, and is proficient in C, Go, Java, and Python. Ivan has driven cloud‑native ETL/ELT efforts at Yandex Cloud and DoubleCloud, improving distributed import/export, reliability, and observability for systems integrating PostgreSQL, ClickHouse, Kafka, and S3. His background spans MPP OLAP internals to production data pipelines, combining low‑level database engine work with pragmatic cloud service engineering. He also teaches parallel and distributed systems, reflecting a strong foundation in both theory and applied system design.
10 years of coding experience
6 years of employment as a software developer
Master of Science - MS, Computer Science, Master of Science - MS, Computer Science at Moscow Institute of Physics and Technology (State University) (MIPT)
Russian, English, German
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (46)
commons10
postgresql10
data-warehouse10
data-platform10
java10
sql10
database10
parallel9
greenplum9
analytics9
jdbc9
machine-learning9
apache-commons9
warehouse9
cgo9
Programming languages (5)
Github contributions (5)
leskin-in/simpleplat
Jul 2017 - Dec 2019
Contributions:6 PRs, 36 pushes, 6 branches in 2 years 4 months
platformermultiplayer
arenadata/madlib
Feb 2020 - Sep 2023
Mirror of Apache MADlib
Contributions:2 PRs, 7 pushes, 5 branches in 3 years 7 months
servicenowdataminingapachejavalegend
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