Илья

Illia Okonskyi – Male/He/35 yo - CV
Ukraine / Mykolaiv / Kyiv, on-site/hybrid/remote, master’s degree
in computer science (Igor Sikorsky Kyiv Polytechnic Institute)

Phone Number: [відкрити контакти](див. вище в блоці «контактна інформація»)
Linkedin: [відкрити контакти](див. вище в блоці «контактна інформація»)
Telegram, Viber: by Phone Number
Email: [відкрити контакти](див. вище в блоці «контактна інформація»)
GitHub: https://github.com/illia-okonskyi
Website: https://devandhu.com/

Target Position: Middle+/Senior C# Back-end/Full Stack
(C#/React/Redux) Developer

Summary
• ~16 years in commercial development in total
• Strong C++ background
• 7 years of experience in C# (.NET Framework, .NET Core, Desktop (WinUI, WPF), Web
and Game (Godot engine) Development)
• Front-End development: JavaScript/React/Redux
• SQL experience: various RDMS like SQL Server, Azure SQL Server, MySQL, SQLite,
PostgreSQL
• DevOps experience: Microsoft Azure
• Strong common development skills (OOP, patterns, coding, debugging, bug fixing,
refactoring, documentation, etc.)
• Programming languages knowledge: C# – Proficient; C++ – Intermediate; JavaScript
– Intermediate; PowerShell, bash scripting – Basic
• Soft skills: ability to quickly and efficiently learn and master new technologies and
knowledge, communicability and organization skills, team player, responsibility and
decency
o As a Developer I’m acting like a «good soldier with his own opinion, which can
be included in the orders»
o As a colleague I’m acting like a positive person which likes to have not only
work-related discussions, but, especially with the foreign persons – I like to
share our culture with the colleagues
• Knowledge of languages:
o Ukrainian, Russian – native
o English – B2/Upper Intermediate
Latest Work Experience
March 2024 – Current – Freelance / Pet Project Development
Full stack Developer (Backend, Frontend, DevOps, Manual QA) on Freelance. Working with
different clients on a Per Project/Per Task Freelance Contract basis. All my previous and
current experience is involved when I’m working under Project.

In parallel I’m working under Pet Open-Source Framework named “Tobacco Plus Kit”. The
code currently is stored in a private repo, but in case of hire – it can be shared across the
company or project code base. TPK – is a set of solutions for common tasks required in
proficient Full Stack (.NET/React) development.

• Responsibilities: development, testing, debugging, support, documentation,
DevOps – full-cycle responsibilities handling.
• Technology Stack: includes but not limited to already known and mastered
technologies.

May 2021 – February 2024 – Limestone Digital / M&M Systems
Back-end C# Developer / Team Lead – Phoenix Project - New generation of refrigeration
products software which must replace legacy software. It is used to communicate, control
and monitor the refrigeration hardware complex.

• Responsibilities: As a back-end developer - Implementation of the new software
generation from scratch with reusing existing legacy code as much as possible, setup
project CI pipeline, fixing bugs, writing documentation, communication directly to
customer’s engineers. As a Team Lead – managing full stack team (2 Developers, 1
QA), being backlog owner, leading communication with the Customer.
• Technology Stack: Back-end - C#, .NET 5-8, .NET Framework 4.8, MySQL, SQLIte,
SQL Server Express, Windows, Linux, Raspberry Pi, Docker; DevOps - Azure DevOps,
Azure Pipelines; Front-end – JavaScript, React, Redux; QA – mostly manual testing;
Tools – Azure Boards, Confluence, git, Azure Repos

February 2020 – September 2020 - NewGround / 340Basics
Back-end C# Developer - Web project designed to provide 340B US Government program to
customers (Hospitals, Clinics, Pharmacies).

• Responsibilities: Fixing bugs, refactoring, development of new features. Made
strong refactoring of the part of the background jobs process, started migration to
.NET Core of some another background jobs.
• Technology Stack: C#, .NET Framework 4.6.2, .NET Core 3.1, .NET Standard 2.0,
Azure SQL Server, Windows, Azure, git, JIRA, Jenkins, Azure DevOps.