Senior QA Engineer

3 days ago

Prague, Hlavní město Praha, Czech Republic OpenVPN Full time €60,000 - €80,000 per year

We're looking for a Senior Manual QA Engineer to strengthen the quality across our products, the next generation of Enterprise platform for Zero Trust Private Access — including testing and QA processes of core components: back-end APIs, client applications (Windows, macOS, Linux, Android, iOS), and infrastructure components.

This is a technical role requiring strong familiarity with networking, APIs, and secure applications.

As a key member of the Quality Assurance team, you'll shape our engineering practices and system resilience. Your decisions will influence both product direction and company growth.

Our philosophy is that we are a small, close-knit team, and we care deeply about you:

  • Competitive pay rates
  • Fully remote work environments
  • Self-managed time off

Important:

  • This is a full-time remote job, and it will be a long-term B2B contract.
  • On our website in JD, you can see the locations for this role

Your contribution will include:

  • Develop and maintain comprehensive test plans, including functional, UI, regression, integration, and exploratory testing
  • Design manual test suites for backend APIs, desktop/mobile apps, and system-level features (e.g., VPN connectivity, auth flows)
  • Collaborate with engineers to embed testing early in the development cycle (shift-left mindset)
  • Participate and contribute in Agile ceremonies and in the release process
  • Investigate, reproduce, and document defects across services and platforms
  • Work with DevOps and Software Development to integrate tests into CI/CD pipelines
  • Achieve quality metrics, coverage goals, and release readiness criteria.

You'll be a great fit if you have the following:

  • At least 5 years of experience in the Quality Assurance domain
  • Excellent knowledge of networking fundamentals (TCP/IP, DNS, VPN, firewalls, etc.)
  • Strong understanding of REST API (Postman, Swagger, SoapUI, etc.) and data integrity testing
  • Experience with cross-platform mobile and desktop apps (hybrid or native)
  • Experience working with Linux systems and the CLI
  • Flawless knowledge of QA processes and documentation (test plans, test designs, test cases, and test scenarios)
  • AI tools or use AI in testing activities
  • Excellent debugging, analytical, and communication skills
  • At least an upper-intermediate English level, both written and spoken.

Bonus points for:

  • Familiarity with automated test frameworks and ability to write automation scripts (preferably Playwright + TS)
  • Experience working in Git-based workflows and integrating tests in CI/CD pipelines
  • Exposure to performance/load testing (JMeter, iperf, etc.)
  • Understanding of compliance and/or security testing (OWASP testing, etc.)
  • Computer Science or a related university background.

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