Sergey Kulik
Architect Lead Software Engineer at Pathway
Paris, Ile-de-France
Summary
🤩
Rockstar🎓
Top SchoolSergey Kulik is an architect-level software engineer based in Paris with a track record of designing and shipping high-throughput, real-time systems across consumer and B2B products. He led delivery platform efforts at Yandex—building dispatch, batching, and slot-based delivery services that scaled to 300K+ daily orders and launched in multiple countries—and now co-authors and maintains the widely-used Pathway Python ETL framework for stream processing and LLM pipelines. Comfortable both leading teams (hiring, managing, and delivering productized services) and diving into code, he bridges system architecture, data engineering, and reliability work. Notably, he contributed byte-support and connector hardening to Pathway, showing attention to robust data types and end-to-end testing. He also teaches algorithms and mentors ML/NLP projects, reflecting a continual commitment to education and practical research.
3 years of coding experience
6 years of employment as a software developer
Master's degree Computer Science, Master's degree Computer Science at Belarusian State UniversityPublic School #9 of MozyrDAAD project Robotics Technology/Technician, DAAD project Robotics Technology/Technician at Hochschule MannheimComputer Science, Computer Science at Yandex School of Data Analysis
English, Russian
Github Skills (9)
etl10
data-pipelines10
data-pipeline10
python10
data-processing10
apache-kafka9
data-analytics8
etl-framework8
stream-processing7
Programming languages (4)
Github contributions (5)
pathwaycom/pathway
Nov 2022 - Feb 2023
Python ETL framework for stream processing, real-time analytics, LLM pipelines, and RAG.
Role in this project:
Data Engineer
Data EngineerContributions:7 commits, 2 pushes, 15 comments in 2 months
Contributions summary:Sergey contributed to the Pathway ETL framework, enhancing its capabilities by adding support for bytes in the `pw.apply` function and expanding the data type system to accommodate byte-like data. They also implemented a full-cycle test, demonstrating the complete functionality of the bytes support within the framework. Additionally, the user introduced enhancements related to connector configuration, specifically addressing the robustness and reliability of input/output connectors.
batch-processingdata-analyticsdata-pipelinesdata-processingdataflow
pathway-labs/airbyte-to-deltalake
Aug 2024 - Nov 2024
Contributions:4 pushes, 1 branch in 3 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.