QA Engineer (Backend Focus)

Join to apply for the QA Engineer (Backend Focus) role at NeuroNation - Mind & Brain Health Technology .

About Us

NeuroNation is a leading brain training platform used by over 30 million people worldwide. We collaborate closely with scientists and universities to deliver engaging, medically certified digital health solutions. Our mobile and web applications have been recognized by Apple, Google, and major health insurance companies. In Germany, our medical app is DiGA-listed and prescribed by doctors, with costs covered by public health insurance.

About The Role

As a QA Engineer at NeuroNation, you’ll play an integral role in ensuring the quality, reliability, and functionality of our software products. Working closely with backend developers and the product team, you will conduct in-depth manual testing with a focus on backend systems and APIs. This position is part-time to full-time (minimum 30 hours per week), with the opportunity to take ownership of backend QA direction after onboarding.

Key Responsibilities

• Collaborate with backend developers and the product manager to create and execute weekly sprint plans
• Participate in daily stand‑ups and sprint planning sessions, providing insights on product quality
• Conduct comprehensive manual testing on frontend and backend components, with emphasis on backend systems
• Test manually and analyze APIs directly, ensuring seamless integration across the system
• Identify, analyze, and troubleshoot issues, distinguishing between client‑ and server‑side problems
• Manage and complete testing tickets promptly within each sprint cycle
• Proactively contribute ideas and generate new tickets to enhance product quality

Requirements

• Minimum 3 years of proven experience in manual QA testing, with a strong emphasis on backend and API testing
• Proficiency with API testing tools (e.g., Postman, Swagger, or similar)
• Ability to clearly identify, document, and communicate bugs
• Strong analytical skills to distinguish between frontend and backend issues
• Excellent communication and collaboration skills
• Availability to work between 9:30 AM – 4:00 PM CET on weekdays
• Commitment to continuous learning and improvement

Nice‑to‑Have Skills

• Experience with payment testing
• Experience with mobile app testing

What We Offer

• A collaborative and supportive environment where your input directly shapes product quality
• The opportunity to take ownership of backend QA processes and strategy
• Flexible hours within the defined CET time window

If this sounds like the right role for you, we’d love to hear from you! Apply now and be ready to complete a QA challenge to show us your skills in action.

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