Senior Performance Tester

Mozantech is a company with offices in Porto and Lisbon, developing both national and international projects. With a horizontal structure and a strong collaborative culture, we value an environment where every team member plays a key role in driving innovation and success. We believe there are no impossible ideas — only challenging projects that we bring to life with dedication, creativity, and purpose.

Mozantech is looking for a Performance Tester who is passionate about delivering reliable software solutions. Join our collaborative team in Porto and help ensure the quality, stability, and performance of our projects.

Responsabilities:

• Execute performance and resilience tests for web and mobile applications.
• Simulate network conditions using Charles Proxy or similar tools.
• Validate application behavior under failures, errors, and timeouts.
• Analyze logs and performance data.
• Evaluate retry and error-handling mechanisms.
• Report test results, findings, and recommendations.
• Document test evidence and outcomes.
• Work with Development teams to identify and resolve issues.

Why Mozantech:

• Hybrid work model (remote and on-site)

• Supportive and collaborative team.

• Meaningful projects and real growth opportunities

If you are proactive, passionate about quality, and want to make an impact, apply now or share this opportunity with someone who might be a great fit 📩