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Dmytro – JavaScript, C#, ASP.NET, experts in Lemon.io

Dmytro

From Ukraine (GMT+3)

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Back-end Web DeveloperSenior
Hire developer
21 years of commercial experience
Administration
Data analytics
Govtech
Hospitality
Human resources
Logistics
Maritime
Public services
Shipbuilding
Tourism
Transportation
Travel
Enterprise software
ERP
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Dmytro – JavaScript, C#, ASP.NET

Dmytro is definitely a pro in the field, with 20 years of experience in backend development. He is passionate about solving complex problems, whether in programming, processes, or team dynamics. He has strong expertise in .NET development, designing databases, and working with relational databases. He thrives on reaching goals and seeing his work make an impact.

Main technologies
JavaScript
10 years
C#
20 years
ASP.NET
18 years
.NET
15 years
Additional skills
Microsoft SQL Server
Jenkins
Microsoft Azure
NoSQL
REST API
Angular JS
ASP.Net Webforms
Redis
RabbitMQ
MS SQL Server 2019
ASP.NET MVC
SQL
Azure Functions
jQuery
OData API
Blobstorage
Azure DevOps for CI/CD.
Elastic Search + Kibana
MongoDB
Jenkins + MS Build + MS Deploy
NUnit + Moq + BDDfy
OData
EF 6/ EF.Core
Lucene .Net
MSTest
WCF
MS SQL Server + Active Records + ADO.Net
NUnit
Express.js
TeamCity for CI
Windzor IoC
Ready to start
To be verified
Direct hire
Potentially possible

Experience Highlights

Principal .Net engineer
Apr 2019 - Oct 20212 years 6 months
Project Overview

It is a resources management system developed specifically for operators of ferry transportations. It consists of the Web app for managing and scheduling of resources and employees by shore services, desktop WPF application for captains working places on the vessel, that is able to work in off-line mode with further synchronization, and API for integration with external client's systems such as accounting, HR management system, payment engines, etc. Last 18 months we are providing integration with the largest Canadian ferry operator "BC Ferries".

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Responsibilities:
  • application transformation for better performance
  • designing new modules structure, and trouble-shooting
  • integration with the new Client
  • providing a lot of optimizations of DB and code
  • leading application architecture transformation from monolith to the set of independent multi-layered microserices
  • have speed up core services more than 10 times
  • developped two new modules - for shifts' scheduling with bulk editing possibility and for notifying employees about changes in their schedules
Project Tech stack:
.Net Framework 4.7.2
Core
MS SQL Server 2019
ASP.Net Webforms
ASP.NET MVC
OData API
jQuery
Angular JS
Redis
RabbitMQ
Azure Functions
SQL
Blobstorage
Azure DevOps for CI
CD.
Senior Back-end developer
Jul 2017 - Apr 20191 year 9 months
Project Overview

This project is a system for the automatization of price list processing by procurement specialists. The customer was a large Switzerland vine trader, and he has a lot of suppliers that provide a big amount of data about prices for vine products every day. Normally about 3 decades of procurement specialists were needed for processing all supplier's price lists, after the automatization of this process, only 2-3 specialists are enough. Moreover, the storing of all information in the relative DB makes it possible to provide a dynamic analysis of the market.

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Responsibilities:
  • requirements discussion with Customer BAs
  • design of the general architecture of application
  • DB design and optimization
  • setting up and support CI/CD processes
Project Tech stack:
Microsoft SQL Server
MongoDB
Lucene .Net
Elastic Search + Kibana
EF 6
EF.Core
RabbitMQ
.Net 4.6.2
Core
OData
NUnit + Moq + BDDfy
Jenkins + MS Build + MS Deploy
Senior Full-stack developer
Nov 2016 - Jun 20177 months
Project Overview

It is a standard Enterprise Content Management (ECM) system that supports all kinds of municipalities in the Denmark for case management. It is characterized by a high degree of customization, extensibility, and scalability because each municipality has specific processes, workflows and requirements to data models and UI. Planned loading is more than 200K users and 500 operators. The backend is implemented as a set of microservices and the frontend is presented by a custom framework for forms building.

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Responsibilities:

Dmytro was involved to the development of the backend and frontend for two new modules:

  1. First one is for integrating the Acadre web site with a desktop application used for processing documents at several municipalities;
  2. The second is for integrating documents processing workflow with the common Denmark database for monitoring citizens' request statuses.
Project Tech stack:
.Net Framework 4.6
Microsoft SQL Server
MSTest
EF
WCF
ASP.NET MVC
jQuery
Angular JS
Senior Full-stack developer
Jan 2010 - Sep 20166 years 8 months
Project Overview

It is a distributed booking system for British Customers "Great Hotels of the World,". It is a system for collecting information about hotels' rooms and booking conditions and exchanging this data with more than 10 external booking services (Global distribution systems and Advanced distributing systems). The solution contains web-site for Hotels' owners for managing data and statuses of the rooms and bookings, a public web-site for selling rooms (booking widget), and more than 20 separate windows- and web-services for communicating with external services: such GDS and ADS as Pegasus, Orbitz, Expedia; payment systems and Security services.

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Responsibilities:

Dmytro was involved in:

  • the discussion of the requirements with Customers and communicating with partners during the integration processes;
  • designing of architecture and implementing the module for integrating with data suppliers' and consumers services;
  • implementing of integration with more than 15 external services;
  • DB designing and its performance tuning;
  • leading team of 5 people;
  • designing and coordinating of development of booking engine widget.
Project Tech stack:
.Net Framework 4.3
4.5
MS SQL Server + Active Records + ADO.Net
ASMX and WCF web-services
ASP.Net Webforms
ASP.Net MVS 2
jQuery
Express.js
NUnit
TeamCity for CI
MS Enterprize Library
Windzor IoC
Log4Net. Controls.

Education

2000
Radiophysics and electronics
Bachelor's
2000
Radiophysics and electronics
Bachelor's

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