Sergey Legachev Email & Phone Number

Krasnoyarsk, Russia

Maintenance and development of new functionality and individual microservices of the information and analytical system in the field of civil engineering.Results:✔ Developed subsystem for monitoring prices that allows tracking prices for building materials/engineering equipment and machines from suppliers and contractors and receive various statistical data on price changes, integrate with external information systems;✔Developed a system that allows building delivery routes based on business rules and building the different analytic models connected with logistics and monitoring subsystem.Responsibilities:- Development of new services;- Optimizing LINQ and SQL queries;- Writing functions / stored procedures/triggers in PL/pgSQL, partitioning tables;- Integration with external systems;- Writing own translators to extend the standard functions in ef core(EF.Functions).

Krasnoyarsk, Russia

The project when I worked on was a system for planning and calculating KPI employees for a large gold mining company.Responsibilities:- Refinement of existing business logic and implementation of new business processes;- Writing stored procedures and implementing new functionality;- Bug fixing;- Writing access control logic, according to the RBAC model.

Krasnoyarsk, Russia

Development and maintenance of two information systems for the consolidation of reporting. This work meant improving clients(desktop apps) and soap services, fixing bugs, creating new functionality, changing and creating new stored procedures, functions and views, t-sql stored procedures optimization. Refinement of existing ETL processes.