Іван

Ivan Dehtiarov

Email: [відкрити контакти](див. вище в блоці «контактна інформація»)
Phone: [відкрити контакти](див. вище в блоці «контактна інформація»)

Summary of IT specialist with a strong foundation in applied mathematics and
Qualifications computer science, combining experience in web development and
network administration.

Hands-on background in creating web applications using ASP.NET Core
MVC, working with RESTful APIs, and managing databases with SQL
Server and PostgreSQL.

Familiar with designing, developing, and running automated tests to
ensure quality and reliability of software applications.

Successfully supported infrastructure at an internet service provider,
administering FreeBSD/Ubuntu servers, configuring network
equipment, and deploying monitoring systems.

Comfortable working in international teams, familiar with Agile
practices, and able to adapt quickly to new digital tools and workflows.
Eager to contribute to digital content operations and further develop
skills in a global business environment..

Skills Programming Frameworks
Languages/Technologies 1. ASP.Net Core MVC
1. C#/.Net/Windows Forms
2.ASP.Net Web API
2. C++
3. EntityFramework Core
3. HTML/CSS/XML
4. NUnit
4. Java
5. Selenium
5. Git/Azure
Development Tools
6. Python
1. Visual Studio/ VS Code
7. Bash
2. InteliJ IDEA
8. Technical Documentation
Operating Systems
RDBMS
1. Microsoft Windows
1. SQL Server/SQL
2. Linux
2. SQL Server Management
Studio 3. FreeBSD
3. MySQL 4. WSL
4. PostgreSQL Hardware
5.TimescaleDB 1. Network technologies
Methodologies 2. Different technological
device
1. SOLID Principles
3. Hardware virtualization
2. Agile, Scrum
3. Pair programming
CMS Platforms
1. WordPress
2. Drupal

2

Experience Create web application using ASP.Net Framework with team.

Project Web application that enables the selling and purchasing of
Description online products
Application allow to sell and purchase online products.

Project role Trainee ASP.NET Developer

Responsibilities
Collaborated with senior developers to design and develop web
applications using ASP.NET and C#.
Assisted in the development of RESTful APIs to support front-
end functionalities.
Implemented user interfaces with HTML, CSS ensuring
responsiveness and cross-browser compatibility.
Worked on database management tasks, including writing and
optimizing SQL queries.
Participated in code reviews, contributing to code quality and
knowledge sharing.
Debugged and resolved application issues, improving overall
application performance and user satisfaction.
Engaged in Agile development practices, including daily stand-
ups and sprint planning.
Involvement
Duration 6 months.

OOP, Asynchronous programming, Multithreading, SOLID principles,
Tools &
Technologies Reflection, ASP.Net Core MVC, Views, EntityFramework Core, Unit
Testing, Authentication and Authorization, Git, JSON, XML, HTML/CSS,

3

Experience Create web application using ASP.Net Framework with team.

Project Web application that enables the selling and purchasing of
Description online products

Project role Trainee Test Automation Engineer (also manual QC part-time)

Responsibilities Starting test automation solution from scratch
Creating/updating manual and automation test cases;
Creating auto-tests;

Creating bug reports (founded by auto-tests or manually);

Involvement 6 months.
Duration

Tools & MS Visual Studio 2019, REST, Selenium, Scrum, JIRA
Technologies

4

Experience Internet service provider network administration.

Project Support and development of the infrastructure of the local Internet
Description provider, which serves thousands of customers in the city and its region.
Ensure the stable operation of the network, servers, customer access
systems, and monitoring tools with a focus on scalability, automation,
and security

Project role Junior system network administrator

Responsibilities Deployment and maintenance of monitoring systems (Zabbix,
Smokeping) for network and equipment.
Administration of routers, switches, access points and optical
terminals. (Cisco, D-Link, HP, MikroTik, ZTE)
Configuration and administration of FreeBSD/Ubuntu servers (
Routing, NAT, Traffic shaping, Firewall).
Configuration of tunnels (WireGuard, OpenVPN) for remote
management network access.
Diagnostics and analysis of subscriber lines and traffic.
Automation of administrative tasks using scripts (monitoring,
event logging).
Supervision and technical coordination of third-party client
projects involving:
o Installation and configuration of video surveillance
systems
o Design and implementation of network infrastructure
upgrades
o Consultations and on-site technical support for corporate
clients

Involvement 1 year.
Duration

Tools & FreeBSD, Ubuntu server, MikroTik RouterOS, Zabbix, Smokeping,
Technologies Apache2, nginx, WordPress, IPFW, Dummynet, ng_car, WireGuard, ,
Bash, Python, HTML/CSS, TCP/IP, DHCP, DNS, VPN, VLAN, NAT, Port
forwarding, proxy, ssh/telnet, RSTP, Virtualization ( Proxmox,
VirtualBox), iptables, ACL.

5

Languages
English(Intermediate)
Ukrainian(Proficiency)

Education Dnipro National University

Bachelor of Applied Mathematics and Computer Science (Bachelor
degree)

2018-2022

Dnipro National University

Applied Mathematics and Computer Science (Master degree)

2022-2024

6