Development of a data warehouse for a bank.Writing stored procedures, packages, analytical storefronts, partitioning and indexing data. Analysis of other developer's source texts in PL/SQL.Development of ETL processes in Informatica Developer.Query optimization.

Development and maintenance of an internal bonus system for employees. Writing new functionality in PL/SQL (packages, procedures, functions, triggers), modification of existing code, optimizing queries.Work with DWH, development of ETL processes.

Maintenance of software products for automating business processes of telecom operators.Development and application of technical solutions to eliminate customer problems.Advising customer engineers on the configuration and use of established solutions.Participation in projects for the implementation of software products for customers. Carrying out acceptance tests of introduced products.

Development and administration of an information system for managing goods circulationG.O.L.D. Central/Stock.Control of all running processes, resolution of incidents at the request of users,creating and modifying ETL processes, testing and finalizing updates.Creation reports for business users.Main tools: PL/SQL, SQL