4+ years of experience in software quality engineering (experience with AI-powered products is a strong plus).
Strong critical thinking - you reason from first principles, not templates.
Experience in web testing and automation (Playwright, Cypress, Selenium, or similar), with strong programming skills (TypeScript is a plus) and confidence working with APIs, logs, debugging tools, and data.
Experience with API manual testing and automation (Postman, Rest Assured, Swagger, or similar tools).
Experience with Database (MySQL or similar).
Ability to define and measure quality beyond “it works,” including meaningful metrics and evaluation criteria.
Strong interest in how AI systems work under the hood, with the curiosity to quickly learn new tools and technologies.
Comfortable operating in ambiguity - no documentation, no prior art, no one to ask.
Proactive, analytical, and persistent, with strong communication skills in English.

Hands-on experience testing LLM-based or AI-driven systems, including prompt engineering and working with evaluation datasets or benchmarking methods.
Strong understanding of AI failure modes (hallucinations, bias, drift, edge cases) and experience designing evaluation frameworks or internal quality standards.
Experience working in fast-paced, experimental environments where requirements evolve quickly.

360 Growth: We provide limitless learning opportunities: access to platforms like Reforge and CoachHub, global conferences, feedback culture, digital libraries, and industry-leading subscriptions. Advance your career with internal mobility, and grow with a team eager to share knowledge and support your success.
Freedom & responsibility: Work on your terms, whether from the comfort of home or anywhere in the world. With a home office budget, you can elevate your workspace. Enjoy the flexibility to manage your schedule while bringing your ideas to life in a fast-paced, dynamic environment.
Wellness simplified: Your health comes first with company-provided sick days, 20 paid suspension days, Headspace subscriptions, and recharge leave. Participate in wellbeing-dedicated events and simply enjoy the balance of a lifestyle that prioritizes wellness.
Work hard - play hard: Celebrate your achievements with company events like Town Hall, Meet the Client initiatives, team-building experiences, and workations. Celebrate life’s big moments with milestone gifts for weddings, new parenthood, and graduations.

Hybrid

Structure: Horizons Team

Hostinger is hiring an AI Quality Engineer | Horizons Team | Based in Europe