Dmytro Cheusov
Portfolio
Bridgestone
• Back-end (Core API) design and programming. • API B2B integration: data acquisition, search, trade transactions, system scaling and adding new data sources. • Development of new functionality. • Updating legacy processes. • System optimization, increasing performance. • Training and adaptation of new programmers in the project.
Amadeus
• Development of new functionality in accordance with customer requirements and in accordance with the development plans of the product. • Analysis and optimization of functionality. • Deployment of new releases and new versions of third-party software on the server, Deployment of VCS interfaces. • Maintenance of databases and servers (performance analysis and reconfiguration). • Optimization of the system to increase performance. • Development of the import and export catalogs in various formats. • Design and development of widgets of the main page. • Further development of search and index linking. • Installation and configuration of indexation modules and SEO.
Concert
• Resolving current projects tasks, server maintenance. • Planning and deployment of new functionality depending on partners requirements. • Detecting, analysis and resolving problems in automatized processes of data synchronization. • Development and implementation of API adapters (microservices) to connect partners to the main servers using various protocols (SOAP, JSON, other RPC). • Remodeling and refinement of user interfaces in accordance with changes to the back-end. • Front-end (JQuery/Ajax) optimization. • Implement horizontal scaling on the front-end and back-end. • Analysis and optimization of DB. • Analysis and optimization code in high-load processes. • Analysis, resolving and switch servers from PHP 5.2/MySQL to PHP 5.4/Maria Db. • Deployment of scaling PHP servers for high-load processes. • Planning master-slave DB replications (not deployed) for HL as reports etc. • Development and deployment Chrome application and extension for IKS settlement cash register. • Development back-end for entrance bar-code scanners. • Programming points of sale ticketing systems. • Development, publishing and support Circus.Kyiv.ua (WP) site. • Support partners booking offices in ticket printing and templates design. • Development and deployment ZPL (Zebra Print Language). • Staff requirement. • Training and adaptation of new staff.