Ігор

Polishchuk Ihor
Backend
Ukraine, Remote
[open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section)
https://github.com/Hikinokouji
https://t.me/Hikouji

About Me:
A team player with a deep interest in IT and a high level of adaptability. I integrate easily into new
roles and processes, focusing on efficient problem-solving. I combine technical literacy with a flexible
approach, enabling me to deliver results in dynamic and collaborative environments.

Experience:

Software Support Specialist | SkyService
February 2024 – September 2025
Responsibilities:
Provided technical support to clients using a web-based business accounting application.
Assisted with web application testing and contributed to the development process.
Troubleshot software issues and ensured a seamless user experience.
Java Backend Developer | StartUpp
December 2024 – February 2026
Responsibilities:
Developed a web application for a startup.
Served as a Backend and DevOps Developer.
Responsible for server-side logic and infrastructure deployment.

CNC Machine Operator | UKRkardan LLC
February 2023 – February 2024
Responsibilities:
Programming and setting up CNC machines for production.
Manufacturing drive shafts (cardan shafts) for heavy-duty trucks.
Ensuring precision and quality control throughout the production process.

Education:

Sumy State University
September 2024 – January 2026
Master of Science (MSc) in Power Machinery Engineering

Sumy State University
September 2020 – June 2024
 Bachelor of Science (BSc) in Power Machinery Engineering

Specialized High School (Grades 9–11)
Concentration: Mathematics and Physics

Languages:

Ukrainian: Native
Russian: Native
English (B1): Intermediate (Specializing in technical and mathematical terminology)
German (B1): Intermediate
Swedish (A2): Elementary / Pre-intermediate

Skills:

Java Core 8-21, Java EE (Experience2 years)
C# (Exp. 6m.)
Framework:
Spring Boot 3+, Spring Data JPA, Spring Security
ASP .NET
Systems & Architecture:
Microservices, Client-Server Architecture, Real-Time
Operating Systems (RTOS), Embedded Systems.
DevOps & Infrastructure:
Kubernetes, Docker, CI/CD Pipelines, Linux
Administration (x64/ARM), Nginx,
Data: SQL (Postgres), NoSQL

Other technology:
- Git (Github/GitLab)
- Maven/Gradle
- Postman, Intelij IDEA
- JavaFX
- Android Studio
- AWS (EC2, S3, Aurora, VPC, SNS, Kinesis)
- Redis
- Appache Kafka
- Streaming technologies and protocols (RTMP, HLS)
- OOP
- Software design principles: SOLID