Senior Quality Engineer - Tellent Intelligence (AI)

As a Senior Quality Engineer – Tellent Intelligence (AI), you'll own and grow the quality of the AI-powered experiences built by our Tellent Intelligence team alongside our existing QE team.

You'll help shape how we test applications powered by large language models (LLMs) and AI agents, ensuring they are reliable, safe, and deliver high-quality experiences for our customers.

Your 12-Month Journey:

• During your first 3 months: You'll get to know our Tellent Intelligence domain, engineering practices, AI-powered features, and quality standards.
• Within 6 months: You'll take ownership of quality across key AI-powered features, expand our Playwright test coverage, and work closely with engineers to validate AI behaviour, prompts, and model-driven functionality throughout development.
• After 1 year: You'll be a trusted quality partner within the Tellent Intelligence team, driving improvements to our AI testing strategy, strengthening our automation framework, and helping shape how we build reliable, safe, and responsible AI experiences across Tellent.

Responsibilities:

• Work closely with fellow Quality Engineers to bring our test automation strategy to life across the Tellent Intelligence domain, taking shared ownership and continuously improving it as our platform evolves.
• Partner with developers, AI engineers, and fellow QEs to embed quality early in the development process, sharing knowledge and shaping testing practices collaboratively.
• Design and execute comprehensive test plans, test cases, and automated test suites across frontend, backend, and AI-powered functionality.
• Develop into a product domain expert, using your understanding to identify risks early and guide quality decisions across the Tellent Intelligence domain.
• Design and execute testing strategies for AI-powered features, validating not only functional correctness but also the quality, relevance, consistency, and safety of AI-generated outputs.

Requirements:

• Strong QA experience: Several years of hands-on quality engineering, with senior-level ownership of testing for complex web applications.
• AI quality mindset: Experience testing AI-powered applications, LLM-based products, conversational AI, or machine learning systems is a strong plus.
• E2E automation: Experience building and maintaining end-to-end test suites in Playwright.
• API & backend testing skills: Experience testing APIs and backend services.
• Balance of product and technical thinking: Equally at home discussing product behaviour and digging into technical detail.
• Understanding of AI testing challenges: Familiarity with concepts such as prompt engineering, AI agents, hallucinations, model bias, evaluation datasets, and AI safety principles is a plus.
• Analytical mindset: Comfortable defining quality expectations for systems where outputs may vary while still delivering a great user experience.
• Communication: Fluent English for daily collaboration.

Benefits:

• Hybrid or remote working setup across Amsterdam, the Cologne area, or Poland
• A chance to shape one of the most ambitious scale-ups in Europe and lead a company-defining tech transition.
• Work in a diverse, multicultural, and remote-friendly team.
• €1,500 annual training budget + 2 dedicated learning days
• Pension plan, travel reimbursement, and wellness perks.
• 28 paid holiday days + 2 additional days to relax.
• Work from anywhere for 4 weeks/year.
• Apple MacBook and top-tier tooling.
• €200 home office budget.