Наталья Коваленко

Mature professional offering 4+ years of hands-on experience in the industry with a key focus on data testing. Solid understanding of quality processes, controls, and procedures. Key areas of technical expertise: ETL/ELT testing, DWH/Data Lake testing, BI testing, user interface testing. Strong understanding and experience of working in Scrum methodology. Strong communication skills, efficient and collaborative team player, high attention to details.

Increased productivity of SQL queries (investigating of SQL execution plan, indexes rebuilding). Investigated and optimized bottlenecks of pipeline processing. Conducted DWH and BI testing. Prepared and conducted more than 10 knowledge transfer sessions to client support.

Designed and created DWH for storing and processing of data from customs declarations. Developed application for creation, analyzing, and processing goods declarations. Realized support and updating of 3 applications. Implemented backup and restore DB (SCD).

Took 6 projects (1 as a key tester); Took part in data migration process; Implemented ETL, DWH, Big Data, BI reports testing; Conducted regression and UAT testing; Designed Test strategy and Test plan; Created and supported scripts for data comparising; Was responsible for direct communication with client on UAT testing stage; Supervised 3 mentees of 'Python for DQE program'; Participated in 6 pre-assessment sessions as an expert of the committee.

Increased productivity of SQL queries (investigated SQL execution plan, indexes rebuilding); Investigated and optimized bottlenecks of pipeline processing; Conducted DWH and BI testing; Prepared and conducted more than 10 knowledge transfer sessions to client support.

Designed and created DWH for storing and processing of data from customs declarations; Developed an application for creation, analyzing, and processing goods declarations; Realized support and updating of 3 applications; Implemented backup and restore DB (SCD).