Alibek Yessekey
@alibekyessekey
Experienced data engineer specializing in lakehouse architectures, ClickHouse, and ETL/ELT pipelines.
KazakhstanWhat I'm looking for
I am a data engineer with three years of hands-on experience designing and operating large-scale analytics platforms, with a strong emphasis on ClickHouse and lakehouse delivery. I design end-to-end ingestion and serving layers, implement CDC and streaming/batch ETL, and optimize systems for cost and performance.
At GovTech projects I built a MinIO+Iceberg lakehouse with Kafka, Spark, Trino and ClickHouse, modeled Medallion layers with ACID guarantees and SCD type 2, and authored robust Airflow DAGs with SLAs, retries and observability. I optimized ClickHouse for analytics using appropriate MergeTree engines, projections, materialized views, partitioning/TTL, and replication/sharding.
I maintain strong SQL and data modeling skills (dbt, dimensional/semantic layers), have production experience with Hive on HDFS, and use platform tooling like GitLab CI, Docker and Linux. I prioritize reproducible analytics, clear documentation, and pragmatic data quality checks to deliver stakeholder-friendly marts.
Experience
Work history, roles, and key accomplishments
Data Engineer
NITEC
Jan 2025 - Present (9 months)
Designed an end-to-end lakehouse on MinIO/Apache Iceberg with Kafka/Spark ingestion and Trino/ClickHouse serving; modeled Bronze/Silver/Gold layers with ACID tables and implemented SCD Type 2. Orchestrated Airflow pipelines with SLAs/retries, added data quality checks, and optimized ClickHouse (MergeTree engines, projections, materialized views, partitioning, replication) for analytics marts.
Data Engineer
Datateam
Jan 2023 - Jan 2025 (2 years)
Maintained Hadoop/Hive on HDFS and built near-real-time pipelines into ClickHouse using Kafka engine tables and materialized views; migrated 1,000+ source tables via Trino federation and implemented query-based SCD and data quality checks with Soda Core. Documented processes and optimized analytics pipelines.
Data Analyst
Arsha
Jan 2022 - Jan 2023 (1 year)
Collected and cleaned statistical datasets, standardized types and handled missing values, and built analytical tables and recurring reports using SQL (CTEs, window functions) and documented data dictionaries.
Education
Degrees, certifications, and relevant coursework
Astana IT University
Master of Applied Data Analytics, Applied Data Analytics
2023 -
Master of Applied Data Analytics program focused on applied data methods and analytics workflows; currently enrolled.
KUKookmin University
Bachelor of Engineering, Energy & Mechanical Engineering
2018 - 2023
Bachelor of Energy and Mechanical Engineering covering core mechanical and energy engineering principles completed in 2023.
Availability
Location
KazakhstanAuthorized to work in
Job categories
Skills
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