Gennadii Kostrov Email & Phone Number

Харьковский Район, Харьковская Область, Украина

Project requirements, architecture design, implementation of the system for designing & manufacturing goods from photoceramics, glass and metal.

Barcelona Area, Spain

Worked mostly as backend developer in payments, cms and rates domains. Developed WEB APIs, microservices, internal tools.Technology stack: - C# 4.5.2-4.7.2/netstandard 2.0- EF/EF Core, MSSQL- Web API 2.0 / AspNetCore / MVC / WebForms- Redis, Rabbit MQ, Docker, K8 (basic level), helm(basic level)- Jenkins/GitHub/VS 2017-2019/Rider- DDD, monolith, microservices

Wroclaw, Lower Silesian District, Poland

Wroclaw, Lower Silesian District, Poland

Taking part in different internal projects in investment banking area. Design of flexible mailing system with calendars, templates and batched mail delivery. Support huge financial analytic portal, develop internal dashboard system.

Ukraine, Kharkiv

Working on analytics toolset for Healthcare clients in USA. Responsible for moving functionality from old UI to MVC, integrating Bootstrap plugins and creating responsive UI. Took part in meetings and architecture discussions, bugfixing.

Ukraine

Development of Std, Pro and White Label versions of the product, integration with 2checkout and ClickBank, licensing server integration, product pack generator, sales flow integration, production and development droplets creation and optimization.

Ukraine

Website development and support for one of the biggest photo printing retailers in Canada and USA

Ukraine

Responsible for development of payments service core, bank validation and timezone components, Payment Gateways integration, creating unit and integration tests, implementing web UI for Salesforce integration(MVC3). Took part in meetings and architecture discussions.

Ukraine

Created spring extensions for online shop, based on RoR platform.

Designed and developed HR Portal, an automated system for HR and top managers including HR, Finance and Top Management sub portals. Allowed to utilize skills review workflow (position requirements, personal requirements, match level) with custom employee database, customers and projects, project team creation. Contained time issue reports and time manager. Planned to implement automatic CV generations

Created different freelance projects, including WinForms application for automated collection of rss links from sites by keywords, 30-day trial installer for .NET application via .NET Reactor tool, WinForms wrapper for www.avon.com.ua site API (for distributors), image collector for downloading images and populating phone models database from www.zedge.net, wallpaper maker (Action Script 3.0) for drawing wallpapers and saving them in .jpg format, ringtone maker as 3-step audio uploade, online studio to design business cards like in www.123print.com, multi job system for sending email proposals through lots of rotatable gmail accounts and configurable SMTP servers to deliver thousands of emails per day.

Ukraine

Designed and implemented various DNN modules, BL, DAL layers for a host of internal frameworks Created internal desktop utilities (GUI helpers for Netezza, MySQL, console apps)Optimized MySQL and Netezza queries for multistep forecasting process.Deployed automated unit testing system based on Cruise Control build server, NUnit and NCover for a multitude of internal frameworksCreated unit tests for existing frameworks and newly created libraries.

Ukraine

Took part in political debates web-site creation (ASP.NET 2.0) where implemented BL and UI along with other team members, fixed defects. Developed loop similarity service, some administrating UI tools. Also worked on another ASP.NET/C#/C++ / Symbian/Win CE system for streaming video from mobile devices. Was responsible for creating data access layer parts, business logics and UI part of the system (C#). Designed and developed post service.

Ukraine

Administrated several rooms of management department, installed software, performed client support. Created a small internal portal using PHP and MySQL among other features including print preview for addresses of clients on envelopes directly from database for sending proposals. Also created a simple PHP/MySQL web site with 5 pages (forms) allowing a loan company to give credits to their clients.