8h ago

Senior AI Engineer

Barcelona, Catalonia

$150k-$220k / yearest.

full-timesenior RemoteVacation rental technology

🛠 Tech Stack

💼 About This Role

You'll lead the design and deployment of LLM-powered applications and own the evaluation strategy for production-grade generative AI systems. You'll optimize performance, mentor engineers, and shape AI strategy.

🎯 What You'll Do

  • Design and develop LLM-powered applications (chatbots, copilots, agents, internal tools)
  • Define evaluation strategy with datasets, benchmarks, and automated pipelines
  • Diagnose and resolve hallucinations, retrieval issues, and agent breakdowns
  • Optimize systems for latency, cost, scalability, and reliability
  • Mentor junior engineers and guide LLM best practices

📋 Requirements

  • 5+ years in software engineering, ML, and applied AI
  • Strong Python fundamentals (testing, modular design, dependency injection)
  • Experience deploying LLM-powered features from concept to production
  • Deep understanding of RAG architectures and retrieval evaluation

✨ Nice to Have

  • Experience with model fine-tuning and adversarial red-teaming
  • Designing production-grade evaluation at scale with advanced metrics

🎁 Benefits & Perks

  • 🌍 Remote-first culture with headquarters in Barcelona
  • 🚀 Fast-growing scale-up backed by $30M funding
  • 🧑‍🤝‍🧑 Diverse team of 380+ people from 60+ nationalities
  • 📈 Impactful role shaping AI strategy
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