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MuhammedYldz/README.md

Hi there, I'm Muhammed Mustafa YILDIZ 👋

QA Engineer | SDET | Quality Advocate

LinkedIn GitHub Email

I am a highly driven QA Engineer with extensive experience in building robust automation frameworks from scratch and integrating them into CI/CD pipelines. I specialize in ensuring top-tier software quality across web, mobile, and API platforms using modern testing stacks.

My approach to testing is holistic: I focus not just on catching bugs, but on preventing them through strategic planning, deep analysis, and continuous feedback.

🛠️ Technical Skills

  • Automation Frameworks: Playwright, Selenium WebDriver, Postman (API), JMeter
  • Languages: TypeScript, Java, C#, JavaScript, Python, SQL
  • CI/CD & Tools: Azure DevOps, Jenkins, Jira, Git, TFS, DBeaver, Hyper-V
  • Methodologies: SDLC, Agile/Scrum, Manual & Regression Testing, Functional Testing

💼 Professional Experience

  • Quality Analyst Tester @ BoxCommerce (Jul 2024 - Present)
    • Spearheaded a new UI automation framework using Playwright and TypeScript from scratch.
    • Authored and maintained 2,000+ UI test cases and 100+ API scenarios in Postman, maximizing regression and end-to-end coverage.
  • Senior SQA Specialist @ Etiya (Jan 2024 - Jul 2024)
    • Reduced critical production bug rates by 25% through proactive planning and rigorous manual/automated testing.
  • Test Engineer @ SESTEK (Apr 2021 - Dec 2023)
    • Led automation for the Conversational Analytics product, transitioning 28% of legacy scenarios to fully automated Selenium scripts.

🎤 Speaking & Publications

I am passionate about giving back to the testing community and exploring the philosophy behind our work:

  • 🗣️ Guest Speaker: TestIstanbul 2025 – "Enhancing QA Work"
  • ✍️ Author: Regular contributor on LinkedIn with articles like "Are QA Metrics Helping or Hurting Your Testing Process?" and "Feedback in the Testing Process".

📜 Certifications

  • LambdaTest: Automation Certification & Software Testing Professional
  • Atlassian: Agile Project Management Professional
  • PagerDuty & LinkedIn: DevOps Professional

📂 My Public Repositories (GitHub)

Check out my public repositories where I share:

  • Automation Boilerplates: Proof-of-concept testing frameworks utilizing Playwright and Selenium.
  • API Testing Collections: Example Postman collections and environment setups.
  • CI/CD Pipelines: Sample GitHub Actions and YAML configurations for automated test execution.

“Testing is not just about finding errors; it’s about discovering the truth about the product.”

Pinned Loading

  1. Advanced-Test-Automation-Framework-Playwright-TypeScript Advanced-Test-Automation-Framework-Playwright-TypeScript Public

    TypeScript

  2. advanced-selenium-framework advanced-selenium-framework Public

    Java

  3. contract-testing contract-testing Public

    TypeScript 1

  4. advanced-api-testing-framework advanced-api-testing-framework Public

  5. TestersNote TestersNote Public

    JavaScript

  6. FaceDown FaceDown Public

    Focus Timer (Pomodoro style) The Twist: The timer only counts down while your phone is placed face-down on a flat surface. If you pick up the phone to check the time or a notification, the timer pa…

    TypeScript