Vladyslav
Bulavchuk

< Junior Quality Engineer />

I break things before users do — building reliable testing systems, hunting edge cases, and making sure nothing slips through to production.

Get in Touch View My Work
Kaunas, Lithuania

01 Experience

Present

CUJO AI

Global leader in cybersecurity and network intelligence, protecting over 1 billion devices worldwide through AI-powered solutions for ISPs and network operators.

HEAD Junior QE 2025 — now
a3f7c2e QA Intern 2024 — 2025
  • Create comprehensive test cases in Xray and define acceptance criteria aligned with project requirements
  • Perform E2E testing with network debugging across different environments
  • Validate services communication via REST APIs and monitor data flows through Elasticsearch
  • Test embedded firmware connectivity to cloud services
  • Analyze network traffic and debug connectivity issues between devices
  • Automate test workflows by writing scripts in Python
Xray REST API Embedded Systems IoT Security

02 Projects

In Development

Auror

Network Access Control (NAC) daemon for OpenWrt routers — lightweight firewall-level device authorization for home and small office networks.

C OpenWrt Networking

03 Tech Stack

root@system:~# cat skills.json
"languages": [
Python C C++ C# Bash SQL JavaScript
]
"testing": [
E2E Testing REST API pytest Xray
]
"tools": [
Linux Git Docker Jenkins GitHub Actions Elasticsearch Wireshark SSH
]
root@system:~# _

04 Education

2023 — Present

Vilnius University

B.Sc. Information Systems and Cyber Security

2015 — 2019

IT STEP Computer Academy

Computer Science Fundamentals

Get In Touch

Let's Build
Something Amazing

Have a project in mind or want to discuss opportunities? I'm always excited to connect and explore new challenges.

Reach Out To Me [email protected]
ONLINE