With over 25 years’ experience, plus the same enormous passion and ambition we had on day-one, we’re trailblazers in the pet e-commerce industry. Our solutions make over 12 million customers genuinely happier – and that’s something we really care about. We work together to continually adapt; embracing change and the challenges it brings so that we can keep doing better. Join us and discover a place where your potential meets your passion for pets. That’s the power of plus.
Job Description
We are looking for a Senior AI Engineer to design, build, and operate production-grade AI applications in our Agentic Commerce Program, shopping area of zooplus. In this role, you will develop backend services and APIs that integrate large language models into business workflows, with a strong focus on reliability, safety, observability, and maintainability. This is an engineering-first role for someone with strong software engineering fundamentals and hands‑on experience delivering LLM‑powered systems to production. You should be comfortable owning services end to end,



adapting them as models and requirements evolve, and helping teams adopt effective AI engineering practices.
What You Will Do
- Build and operate production‑grade AI services and backend applications in Python
- Design and implement LLM‑powered workflows, including prompt design, context management, structured outputs, and tool calling
- Define robust contracts for APIs and AI outputs
- Test, evaluate, and improve AI services through automated testing, prompt iteration, and measurable evaluation approaches
- Implement safety and reliability controls such as validation, guardrails, fallbacks, and error handling
- Monitor and improve production systems using logs, metrics, traces, and AI observability tooling
- Work closely with product owners, architects, AI teams and domain stakeholders to turn ambiguous use cases into production‑ready solutions
- Continuously improve systems through model upgrades, prompt iteration

📌 Senior AI Engineer (España)
🏢 zooplus
📍 España