Database Engineer (Working With Postgresql)

Responsibilities:

• Working on projects based on PostgreSQL, data warehouses, and systems processing very large volumes of information
• Co-developing a key banking application responsible for revenue management and stock reconciliation, working in a unique multi-cloud environment (AWS and GCP)
• Developing competencies in DWH, data integration, and database solutions
• Working on advanced PostgreSQL engine management, including MVCC mechanisms (Xmin/Xmax), Vacuum processes, and the selection of custom indexes such as BRIN

We offer:

• Attractive salary
• Clear plan and support for professional development;
• Technological and development challenges, including in the areas of data and data analysis;
• Benefits package: medical care, insurance, sports card;
• Unrivaled working atmosphere.

Requirements:

• At least several years of experience working with SQL, PL/SQL, or PostgreSQL
• Working with structures containing billions of records and terabytes of data, understanding how to ensure their efficient processing
• Optimizing queries and long-running processes, even those lasting many hours
• Ability to analyze query execution plans and quickly identify bottlenecks
• Familiarity with working with stored procedures and the ability to use them effectively
• Good knowledge of Python
• Ability to handle L2-level performance problem solving
• Ability to analyze data and problems from various sources
• Ability to analyze system logs and use extensions such as pg_stat_statements to identify blocking processes and bottlenecks.
• Knowledge of data partitioning (especially by date) to optimize searches in terabyte-sized tables
• Experience working at the L2 level, i.e., solving problems and maintaining processes in a production environment
• Very good English skills (B2/C1)