Senior QA Engineer / Manager

Oleksandr
Semishan

I don't just find bugs — I build systems that prevent them. 51% of product improvements in my last role were driven by my initiatives. 10+ years in quality engineering, managing teams across 6 locations.

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Sofia / Remote
Available for hire
—
QA · Automation · Management
What AI thinks about my work style
AI-generated · 100+ conversations · interpretive
01
🏗
Systems-Architect
Decomposes problems into structured frameworks and pipelines, not isolated tasks. Thinks in systems, not solutions.
02
🎯
Precision & Control
High internal quality threshold. Strong QA-style cognition with near-zero tolerance for ambiguity.
03
⚙️
Builder Mindset
Productizes ideas into automation systems and tool ecosystems. Not a hobbyist — an operator.
04
⚡
Efficiency-Driven
High cognitive processing speed. Prioritizes signal over narrative. Operates across multiple domains simultaneously without loss of quality.
05
🔀
Parallel Execution
Operates across AI, automation, product & creative domains simultaneously. Thrives in complex, fast-paced environments where parallel execution is an advantage.
"I'm not afraid to ask questions that might seem silly — because clarity is the only way to deliver high-end quality."
— Oleksandr Semishan
Experience
2022 — Present Web / iOS / Android
Firmware
Video Surveillance
Senior QA Engineer
Kuna Systems Corporation DBA iDter
Part of the QA team — responsible for quality assurance across Web, Android, iOS, and embedded firmware for video surveillance products. Actively participate in Product Meetings, driving product improvements — 51% of shipped improvements over the past year were initiated by me. Built an interactive Dashboard from scratch that helps the support team diagnose camera network issues quickly. Responsible for 27.7% of all defects found on the project.
Automation Web Android iOS Firmware Linux SSH Playwright Appium Bash
2018 — 2022 25 engineers
6 locations
CMMI Level 5
Telecom
Delivery Manager
NetCracker Technology (Sprint)
Managed a distributed QA team of 25 engineers across 6 global locations. Led requirements gathering, test strategy, and full UAT delivery cycles. Achieved CMMI Level 5 process certification.
CMMI L5 UAT Team Lead Telecom BSS/OSS Process
Aug 2016 — Oct 2018 Certificate Management
Manual + Automation
Scrum
QA Lead
Comodo
Led Manual and Automation QA for Comodo Certificate Management — an enterprise platform for issuing, managing, and revoking SSL/TLS certificates. Actively participated in all Scrum ceremonies: sprint planning, daily standups, and retrospectives. Designed and maintained test cases, performed regression and smoke testing across web and desktop clients. Onboarded and mentored new QA team members.
Manual QA Automation Certificate Management SSL/TLS Scrum Mentoring
51%
Product improvements
driven by my initiatives
25+
Engineers managed
across 6 global locations
27.7%
Of all defects found
on the current project
Projects
Mimicra
Live
Mimicra
Text-to-speech service powered by 700+ AI voices. Clone any voice, generate speech at scale.
AI TTS Python 700+ voices
EXIF Tool
Live
EXIF Tool
Clean or generate EXIF metadata in photos. Bulk processing via archive upload.
Privacy EXIF Python
Maze Generator
Live
Maze Generator
A maze that gradually flips over time. Gravity-defying puzzle.
Canvas JS
Dual Tetris
Live
Dual Tetris
Two-player Tetris on a single screen. Local co-op.
Game JS
Threads Downloader
Live
Threads Downloader
Download media from Threads posts. Fast, no auth required.
Scraping Python
🎥
Internal Tool
Internal / Not public
Camera Diagnostics Dashboard
Internal dashboard for rapid diagnostics of camera network issues. Aggregates logs, firmware states, and RTSP stream health in one view — built to cut incident response time for the QA team.
Internal Firmware RTSP Video Surveillance
Stack & Tools
Selenium Playwright Appium Python Bash Postman Charles Proxy REST API SQL Docker Git Linux SSH Jira Confluence TestRail Claude / AI
Blog
2026
Claude API: Повний конспект (UA)
Notes on the Claude API in Ukrainian — models, tools, prompting patterns.
Draft →
2026
QA Translations & Adaptations
Curated translations of key QA articles, adapted for Ukrainian engineers.
Soon →
2026
How I Built Mimicra
Architecture decisions behind a TTS service with 700+ voice models.
Soon →
Let's work
together.
[email protected] Email linkedin.com/in/semishan LinkedIn t.me/vredin Telegram Download CV PDF