Maksym

Maksym Berkovskyi
Junior Backend Developer

[відкрити контакти](див. вище в блоці «контактна інформація») [відкрити контакти](див. вище в блоці «контактна інформація») Slovakia / Remote

About Me
2 years of experience across part-time and project-based work, working with REST APIs, data flows and
backend integrations. Delivered internal and client projects with performance improvements in Agile
workflows.

Work Experience
Aviation Systems Ukraine Digital | 01/2025 – 01/2026
Junior Back-end Developer (Part-Time)
— Implemented backend integrations for internal tools, working with REST APIs and data flows
— Worked with request/response handling, data validation, and API contracts
— Assisted with data handling and validation for business workflows
— Fixed defects across integration points and improved code structure during refactoring
— Collaborated with a small team in an iterative Agile workflow

Freelance / Projects-based Development | 08/2024 – 04/2025
Virtual 3D Gallery (Client Project)
— Built a web-based 3D gallery for presenting artwork online
— Implemented interactive 3D scene rendering using JavaScript/TypeScript
— Iterated and deployed updates based on client feedback, including post-release fixes

Warehouse Automation System (Business Project)
— Built internal automation tool for warehouse material cutting and inventory management
— Implemented Python data-processing logic with PostgreSQL storage and queries
— Containerized the solution with Docker and integrated it with existing 1C workflows

Caterpillar Inc. | 03/2024 – 06/2024
Internship - React Native Developer (Part-time)
— Integrated mobile app with REST APIs and handled async data flows
— Implemented and refactored basic unit tests
— Worked in an Agile team with Git, Scrum, and code reviews

Education
Technical University of Kosice | 2022 – 2025
Bachelor of Computer Science

Skills
General: JavaScript/TypeScript, Git, Unit testing, Agile/Scrum, Jira
Backend: Node.js, Express, NestJS, Python, FastAPI
Databases: PostgreSQL, MongoDB, Redis
Infrastructure: Docker, Linux, Nginx, AWS (EC2, S3), CI/CD
Supporting Frontend: React, Next.js, HTML/CSS, Sass, Tailwind
Languages: English, Slovak, Ukrainian, Russian