Олександр

OLEKSANDR BUNCHYKOV
Address: Karlova Ves, Bratislava, Slovakia
Phone: [open contact info](look above in the "contact info" section)
Email: [open contact info](look above in the "contact info" section)
Github: https://github.com/Sargeist

ABOUT ME

Full-Stack Developer with experience in building scalable web applications and contributing to
cybersecurity projects. Constantly learning new technologies, focused on reliability,
scalability, andsecurity. Three years of commercial experience in the field Full-stack and
software development/testing

WORK EXPERIENCE

Sunstor s.r.o., Ukraine | Web - https://sunstor.com.ua Jan 2022 - Oct 2024
Development of technical solutions for the website, configuration of the payment system
Streamlined manufacturing processes, reducing production costs by 10%.
Implemented preventive maintenance strategies, resulting in a 20% decrease in downtime.

Project Technical Stack

Frontend: React, HTML5, CSS3, JavaScript
Backend: Node.js, Django, Python
Databases: MySQL, SQLite
Infrastructure: Cloudflare, Git, GitHub, GitLab

Junior DevOps Engineer in Sunstor s.r.o. , Ukraine Oct 2024 - Jul 2025

Managed full lifecycle of a cutting-edge automation project, meeting all milestones.
Conducted feasibility studies and risk assessments, mitigating potential project risks.
Collaborated with clients, leading to a 25% increase in customer satisfaction.
Development of software for controlling heating machines, testing and bug reporting

Solutions that were used

For QA: Jira, Postman, Selenium, TestComplete, Obsidian
For development: Python, C++, C#, Docker
For visual: Qt5, SFML (C++ library)

Jul 2025 - Curent
Nezapadni s.r.o., Slovakia

Designed the platform architecture (backend in Django + frontend in HTML/CSS/JS)
Implemented user authentication and access control
Prepared payment system integration
Ensured scalable and extensible structure for future development
Responsibility for the safety of the entire project