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Mustafa Kul

@mustafakul

QA Automation Engineer / SDET: built a 1,500+ test Playwright/TypeScript suite and Azure DevOps CI gates for a US SaaS. Available now.

Turkey

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What I'm looking for

I'm available immediately for remote work as a contractor or through an employer of record, or for hybrid work in Istanbul.

At Turquoise Choice (PB360), I owned quality for a Laravel and React SaaS platform for pickleball clubs, leagues and tournaments. I handled release go/no-go decisions, pull-request approval, and release and migration verification.

I built the Playwright and TypeScript end-to-end suite from its first commit, reaching 1,500+ tests across payments, tournaments, kiosk and integrations. I also set up Azure DevOps test pipelines and a quality gate for pull requests.

Before the move to Playwright, I created and maintained Selenium, Java and Cucumber automation for the hybrid WordPress, Laravel and React product. As Test Engineer, I automated product flows including registration, court booking and tournament features.

I also investigated customer-reported issues using database records, server logs and session recordings, and filed bug reports with proposed fixes. Earlier, I worked as an Astronomer / Planetarium Educator at Tuzla Municipality Observatory and Planetarium.

Experience

Work history, roles, and key accomplishments

Head of Quality

Turquoise Choice

Jan 2024 - Sep 2026 (2 years 8 months)

Owned release sign-off, pull-request approval, and sprint/bug workflow. Built and maintained a Playwright and TypeScript E2E suite with 1,500+ tests and set up Azure DevOps pipelines as quality gates.

Test Engineer

Turquoise Choice

Mar 2023 - Dec 2023 (9 months)

Sole author of a Selenium 4, Java, and Cucumber 7 BDD framework with Page Object Model. Automated registration, court booking, waiting-list, kiosk, and tournament flows alongside manual testing.