Senior Full Stack QA Engineer

TL;DR

Senior Full Stack QA Engineer (Cypress/Playwright): Design, execute, and maintain test suites for backend-driven architectures with an accent on shift-left quality model and automated testing frameworks. Focus on auditing current testing landscape, identifying gaps, and implementing robust improvements for high-velocity engineering teams.

Location: BG-Remote (Bulgaria)

Company

Custom product engineering company supporting multinational organizations and scaling startups with a global team of over 4,000 specialists, expanding in Bulgaria since 2022.

What you will do

• Design, execute, and maintain test suites focused on backend-driven architectures using JS-based test automation frameworks.
• Debug and improve integrations, resolving broken technical workflows.
• Conduct comprehensive audits of existing testing to identify gaps and define improvement roadmaps.
• Lead transition to shift-left quality model in high-velocity backend teams.

Requirements

• Very good English (stakeholders are native speakers)
• Proven senior-level QA experience in manual and automated backend testing with complex data integrations.
• Deep proficiency with JS testing frameworks, especially Cypress and Playwright.
• Expert understanding of testing principles like test pyramid and event-driven processes.
• Ability to audit and improve testing processes practically.

Culture & Benefits

• Regular salary reviews based on performance.
• 25 paid days off: 20 vacation + 5 sick leave days.
• Additional health insurance and 100% company-covered Multisport card.
• Tailored education (Udemy access, certifications) and Internal Mobility Program.
• Corporate events: webinars, offline parties, meetups.
• One Team culture emphasizing collaboration, innovation, and cutting-edge technologies.