Open to QA Engineering Roles

Hey, I'm Alex Slavchev

When It Matters, No Bug Walks Alone

Fullstack Quality Engineer who owned mobile QA for MiLB, Wall Street Journal, and Wattbike — app store ratings rose from below 3 to 4.7 stars with 99% crash-free releases across iOS and Android. Recently shipped a Zephyr Scale + AI integration at Bugzy.ai using TypeScript, Playwright, and the Anthropic SDK.

Download Resume

Featured Projects

Recent projects and contributions

Playwright Framework

TypeScript + Playwright framework covering API testing against the GitHub REST API and UI testing against SauceDemo, with CI/CD pipeline and live HTML report

TypeScriptPlaywrightDockerGitHub Actions

Developer ToolsE-Commerce

View Code Playwright Report

QA Ranger

Claude Code agent that auto-generates structured Gherkin test cases from project documentation using domain-risk-first reasoning

Claude CodeAnthropic SDKMarkdown

QA/Tech

View Code

SauceDemo Selenium Framework

E-commerce UI test automation framework with risk-based test selection and documented architectural decisions

JavaSeleniumTestNGAllure

E-Commerce

View Code Allure Report

DummyJSON REST Assured Framework

Java + REST Assured API test framework covering authentication, products, and pagination with JWT auth, data-driven tests, and live Allure report

JavaREST AssuredTestNGAllure

E-Commerce

View Code Allure Report

QA Mentorship Program

Comprehensive QA training curriculum focused on fundamentals and process mastery for aspiring quality engineers

QA ProcessTesting FundamentalsBest Practices

EducationQA/Tech

View Code

Quality Engineer Portfolio

Professional portfolio website showcasing QA expertise, built with modern Next.js, React, and TypeScript, tested with Playwright

Next.jsReactTypeScriptTailwind

QA/Tech

View Code Live Demo

Experience

Professional journey and achievements

Software Engineer

Bugzy.ai

January 2026 - March 2026

Contributed to an AI-powered QA tool — added Zephyr Scale integration that was missing from the product

Researched, built, and shipped a Zephyr Scale integration enabling AI-generated tests to be pushed and edited directly in Jira

Mentor

Mentor the Young - Bulgaria

October 2025 - January 2026

Designed and delivered an 11-week QA mentorship program for a junior engineer

Mentored a junior engineer through an 11-week QA program who built a complete professional portfolio: 50+ test cases, BDD scenarios, bug reports, and Python automation — averaging 85/100
Mentee improved from 76/100 to 94/100 in three weeks after hitting the hardest module, demonstrating the program's feedback loop worked
Open-sourced the full curriculum on GitHub for community reuse

Career Break

Professional Development

April 2025 - October 2025

Professional development — frameworks, client delivery, and portfolio building

Delivered somaholistic.studio for a client using AI-assisted development with Claude Code and the BMAD Method
Built 3 test automation frameworks — Playwright + TypeScript (GitHub REST API + SauceDemo UI), Selenium + Java, REST Assured + Java — and a personal portfolio site

Mobile QA Engineer

Tumba Solutions

January 2016 - April 2025MiLBWSJWSJ CityWattbike

Sole QA for mobile apps across sports, financial media, and fitness domains

Rebuilt MiLB iOS and Android test suites from zero as sole QA — 80-100 cases per platform, app store ratings rose from below 3 to 4.7 stars, 99% crash-free. Reviewed Java + Appium automation running on SauceLabs
Reduced external crowd-testing costs to zero on MiLB by adopting shift-left feature testing from WSJ workflows
Tested WSJ mobile apps across iOS and Android phones and tablets serving 100K+ users with distributed teams in the US, India, and Barcelona — covering feature testing and bi-weekly regressions, transitioning test management from Excel to Zephyr Scale
Sole QA for WSJ City (London/Europe edition) — built 100-120 test cases, maintained 97%+ crash-free releases. Features developed here were later adopted by the main WSJ app
Sole QA for Wattbike — validated live cycling data across hardware monitors, mobile apps, Bluetooth, and third-party integrations (Strava, Zwift)
Trained a colleague to run regressions independently within 2 months — still owns MiLB as sole QA over a year later

Co-founder

Inozona

February 2012 - December 2015

Sports analytics platform for football team performance analysis

Co-founded and self-financed a sports analytics platform for football team performance analysis, modeled after Opta/Prozone for the Bulgarian market
Designed the product with co-founders, managed infrastructure, and handled all business operations (legal, finance, client acquisition)
Secured first client (Slavia FC) who used the service for 3 months

QA Engineer

VMware

November 2007 - February 2015VCloud UIVM Stats Provider

Cloud computing and virtualization platform testing

Tested VCloud UI (browser) and vSphere Client (desktop) as part of a 10-15 person QA team, creating and maintaining test cases and test plans
Sole QA for VM Stats Provider — owned test creation, execution, post-mortem analysis, and status reporting for a cross-continental team with a US-based PM
Validated Windows VM performance counters against ESXi host metrics, ensuring data accuracy across virtualization layers

QA Engineer

Sciant (acquired by VMware)

May 2007 - October 2007

ESX Server core functionality and driver testing

Validated ESX Server core functionality — specialized in HDD, Video, and Network driver testing

Education

Academic background

DevOps Essentials

Pragmatic LLC

Feb 2025 - June 2025

Current training in DevOps practices, containerization, and CI/CD pipelines

Web Services Testing

Pragmatic LLC

Oct 2021 - Dec 2021

API testing, REST/SOAP services, and web service automation

Automation QA - Java + Selenium

Pragmatic LLC

March 2021 - June 2021

Test automation with Java and Selenium frameworks

Spanish Language School

Expanish, Buenos Aires, Argentina

Jan 2019 - March 2019

Spanish intermediate language immersion program

Currencies & Futures Trading

Trading Advantage LLC, US

May 2014 - Nov 2014

Professional trading certification - MetaTrader, NinjaTrader, IBBrokers

Teacher & Coach, U14 years

Bulgarian Football Union

March 2010 - June 2010

Youth football coaching certification and methodology

CCNA Course Completed

Cisco Academy "Future 21 Century"

May 2006 - March 2007

Cisco networking certification - network fundamentals and equipment

BSc in Computer Science

Plovdiv University "Paisii Hilendarski"

2000 - 2004

Bachelor's degree in Computer Science with focus on software engineering

Certifications

Professional certifications in QA/Tech plus domain expertise for Sports Analytics and FinTech industries

QA/Tech Certifications

DevOps Essentials

Pragmatic ITJune 2025

DevOps
Docker
CI/CD
Automation

Web Services Testing (Foundation Level)

Pragmatic ITDecember 2021

API Testing
REST
Web Services
Postman

Automated Testing (Foundation Level)

Pragmatic ITMay 2021

Test Automation
Selenium
Java
WebDriver

Domain Expertise

Commodities Futures Trading

Trading AdvantageNovember 2014

Trading Platforms
Financial Systems
Market Analysis

What People Say

Testimonials from managers, colleagues, and team members I've worked with

Flavio Kruger

Engineering Manager

Super (Ex-Glovo, Dow Jones)

"I had the opportunity of working with Aleksandar on the Candybar/Tout product feature at Dow Jones - Wall Street Journal. As our QA Analyst, he consistently delivered thorough testing for every PR code change, ensuring our product met all requirements. I highly appreciate Aleksandar's responsiveness. He maintained open communication with the team and readily handled impromptu QA requests that unblocked our team. His technical QA skills were complemented by his positive attitude, bringing good energy to our collaboration. I'm thankful for his contributions to our team and the quality he brought to our product. Working with Aleksandar was truly a smooth experience.

colleague

Cane Allesta

Apple Development with AI

Dow Jones - Wall Street Journal

"I had the pleasure of working with Aleksandar on several projects, and I was always impressed by their attention to detail and strong QA skills. Every release was smoother thanks to their thorough testing and proactive approach. Aleksandar was always quick to respond, open to feedback, and ready to jump in whenever the team needed support. Their positive attitude made collaboration easy and enjoyable. I truly appreciated having Aleksandar on the team and would gladly work with them again in the future.

colleague

Want to add your testimonial or see more recommendations?

View LinkedIn Recommendations

Let's Connect

Open to QA leadership roles, consulting projects, and strategic testing initiatives

Current Status

Sofia, Bulgaria (EET/EEST)

Available for new opportunities

Remote • Hybrid • On-site

Get in Touch

Reach out through your preferred channel

Connect on LinkedIn View GitHub Profile