Senior AI Engineer

⭐ Who we are Lodgify is a fast-growing scale-up company leading the vacation rental industry. Backed by $30M in funding, our platform empowers property owners and managers worldwide to efficiently manage and grow their business through technology. Headquartered in sunny Barcelona, we're now a team of 380+ people representing over 60 nationalities, united by a passion for transforming the future of short-term rentals.

⭐ Role Overview We are seeking a Senior AI Engineer specializing in LLMs to lead the design, evaluation, and deployment of production-grade generative AI systems. In this role, you will own end-to-end LLM solutions, from prototyping to scalable production, while establishing best practices in evaluation, reliability, and responsible AI.

⭐ How will you make an impact? Lead the design and development of LLM-powered applications (chatbots, copilots, agents, internal tools).

Own and evolve the LLM evaluation (evals) strategy, including designing gold-standard datasets and benchmarks, building automated eval pipelines and scoring systems and defining metrics for factuality, grounding, robustness, and user impact.

Diagnose and resolve complex failure modes (hallucinations, retrieval issues, agent breakdowns). Optimize systems for latency, cost, scalability, and reliability in production. Mentor junior engineers and guide best practices in LLM development and evaluation.

Collaborate cross-functionally with product, data, and leadership to shape AI strategy. Set standards for responsible AI, including safety, bias mitigation, and observability.

⭐ What makes you a great fit? 5+ years of experience in software engineering, machine learning, and applied AI with a track record of driving projects to completion. Strong software engineering fundamentals (testing, modular design, dependency injection) in Python.

A track record of taking AI and LLM-powered features from initial concept through deployment and long-term production maintenance. Experience implementing aut