Senior QA Engineer (Full stack)

Join a fast-growing cybersecurity company building privacy and security products used by millions of people worldwide. We're a fully remote global team, and we're looking for a QA Engineer to test our web applications, websites and browser extensions.
The role combines manual Frontend and Backend testing, with a strong focus on APIs and Postman, plus AI agents to speed up testing and broaden coverage. Automation experience isn't required, but you'll be able to grow your Playwright and JavaScript/TypeScript skills on real projects.
What you will do
- Perform manual Frontend and Backend testing of web applications and websites.
- Test APIs and Backend logic in Postman, including positive and negative scenarios, integrations, data validation and error handling.
- Use AI agent systems across the testing process: requirements analysis, test design, test execution and defect investigation.
- Perform functional, integration, regression and exploratory testing.
- Analyze requirements and contribute to test planning and test coverage.
- Use JavaScript for QA tasks, analysis and work with test scenarios.
- Investigate defects, write clear bug reports, verify fixes and take part in root cause analysis.
- Work closely with Frontend and Backend developers, Team Leads and Product Managers to keep product quality high.
- Find ways to improve QA processes with AI-assisted workflows and modern testing approaches.
- Help improve test coverage, observability and overall QA efficiency.
Title: QA Engineer (Manual Frontend/Backend Testing, AI-Assisted QA)
Join a fast-growing cybersecurity company building privacy and security products used by millions of people worldwide. We're a fully remote global team, and we're looking for a QA Engineer to test our web applications, websites and browser extensions.
The role combines manual Frontend and Backend testing, with a strong focus on APIs and Postman, plus AI agents to speed up testing and broaden coverage. Automation experience isn't required, but you'll be able to grow your Playwright and JavaScript/TypeScript skills on real projects.
What you will do
- Perform manual Frontend and Backend testing of web applications and websites, with the ability to test native mobile applications on Android and iOS when required.
- Test APIs and Backend logic in Postman, including positive and negative scenarios, integrations, data validation and error handling.
- Use AI agent systems across the testing process: requirements analysis, test design, test execution and defect investigation.
- Perform functional, integration, regression and exploratory testing.
- Analyze requirements and contribute to test planning and test coverage.
- Use JavaScript for QA tasks, analysis and work with test scenarios.
- Investigate defects, write clear bug reports, verify fixes and take part in root cause analysis.
- Work closely with Frontend and Backend developers, Team Leads and Product Managers to keep product quality high.
- Find ways to improve QA processes with AI-assisted workflows and modern testing approaches.
- Help improve test coverage, observability and overall QA efficiency.
What we are looking for
- 4+ years of commercial QA experience with a strong focus on manual testing of Frontend and Backend, with additional experience in testing native mobile applications on Android and iOS.
- Solid hands-on experience with Backend testing, including APIs, integrations, business logic, error handling and edge cases.
- Strong practical knowledge of Postman for API testing.
- Strong knowledge of JavaScript and the ability to apply it to QA tasks.
- Experience using AI agent systems and AI-assisted workflows for software testing.
- Experience testing browser extensions.
- Experience with functional, integration, regression and exploratory testing.
- Solid understanding of software testing principles and the ability to apply them in practice.
- Experience creating and maintaining test documentation.
- Confident use of Chrome DevTools, Figma, project management tools and test management platforms.
- Experience working with developers, Team Leads and Product Managers.
- Strong analytical thinking and the ability to understand complex systems.
- A proactive mindset with a strong focus on product quality and observability.
- Bachelor's degree in a technical field or a completed recognized QA training program.
- Comfortable using Hubstaff for time tracking (we use it for daily time logging, not employee monitoring).
Nice to have
- Experience with Playwright and JavaScript/TypeScript test automation.
- Experience with other test automation frameworks.
- Experience using AI coding assistants for test automation or QA tasks.
- Experience building AI agents or AI-powered workflows.
- Knowledge of TypeScript or other programming languages.
- Experience testing WordPress-based applications.
- Experience with Docker and CI/CD pipelines.
What we offer
- Build personal AI agents using our premium infrastructure.
- Work remotely from anywhere within GMT+1 to GMT+5.
- Internal R&D opportunities.
- Paid time off and sick leave.
- Direct impact on a large-scale global B2C product.
- A collaborative international team.
- Hardware after you complete probation.
If this sounds like you, we'd love to hear from you. Let's build the future of digital freedom together.