About Jelena
Macedonian
Native or bilingual
English
Fluent
Experience
- TechOply LtdData ConsultantFebruary 2023 - Today (3 years and 6 months)Over 8 years of hands-on experience in data engineering, gained across numerous clients in the iGaming industry, working across the full data lifecycle from architecture and ingestion to transformation, modeling, and BI delivery.My experience spans a wide range of environments and technologies:Data Engineering & ETL - Designed, built, and maintained ETL and ELT pipelines across both legacy and modern stacks. Experienced with AWS Glue, Step Functions, Lambda, and Python-based automation. Strong background in data validation frameworks ensuring accuracy and integrity across large-scale datasets.Data Warehousing & Modeling — Hands-on with dimensional modelling, Data Vault methodology, and star/snowflake schemas. Worked extensively with ClickHouse, Snowflake, Redshift, PostgreSQL, MariaDB, and SQL Server. Led enterprise-scale migrations managing billions of records.Cloud Platforms — AWS. Experienced in building, monitoring, and securing cloud analytics infrastructure.Programming & Scripting — Python and SQL as primary languages. Shell scripting, REST API integrations, CI/CD pipelines using Git.I work remotely, methodically, and with a strong focus on reliability and data quality.
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Education
- BScUniversity American College2012BSc