Ігор

Polishchuk Ihor
Backend
Ukraine, Remote
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Sverige, st. Falun 791 30
https://github.com/Hikinokouji
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https://t.me/Hikouji
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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.
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.

Service Assistant | Cafe & Restaurant (Germany)
Summer 2021
Responsibilities:
Assisted with customer service in a high-traffic seaside restaurant.
Supported daily restaurant operations and maintained a positive guest experience.
Worked effectively in a fast-paced team environment.
 Sports Broadcast Operator | Tennis Match Streaming
November 2020 – June 2021
Responsibilities:
Managed live sports broadcasts for international betting platforms.
Monitored real-time match data and ensured high-quality streaming standards.
Operated specialized broadcasting software to deliver accurate live content.

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
Framework:
Spring Boot 3+, Spring Data JPA, Spring Security
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