Our client is a fast-growing European fintech company in the business spend management space.

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We're looking for a Senior Applied AI Engineer to design, build and ship customer-facing AI features end-to-end.ResponsibilitiesDesign, build and ship customer-facing AI features end-to-end, including RAG system design (chunking, embedding selection, retrieval, re-ranking) and agentic workflows.Ship external customer-facing LLM-based features into production, with safe production deployment practices.Do hands-on evaluation-pipeline and observability work: drift detection, quality monitoring.Reason independently about retrieval architecture using strong data fluency.Apply real engineering rigor to the Context Development Lifecycle (CDLC): generate, evaluate, distribute and observe the context that powers AI agents.Multiply the output and quality of the squad you join,



and share patterns/practice beyond your immediate team so adoption compounds across the organisation.Embed directly into a client squad as a hands-on Individual Contributor.Requirements:Python (Python-first).RAG system design: chunking, embedding selection, retrieval, re-ranking.Proven experience shipping external customer-facing LLM-based features to production (not prototypes).Hands-on evaluation-pipeline and observability work: drift detection, quality monitoring.Data fluency to reason about retrieval architecture independently.Agent & harness engineering fluency — designing guardrails, context and verification layers for safe, reliable AI-assisted delivery; concrete evidence of having built/operated this kind of tooling, not just used it.Comfortable with the client's current daily tools: Claude Code and GitHub Copilot.Nice-to-Have:Specific tooling such as AWS Bedrock, OpenAI APIs, or Langfuse (or comparable eval platforms). xugodme We offer

*:Flexible working format

- remote, office-based or flexibleA competitive salary and good compensation packageProfessional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)Active tech communities with regular knowledge sharingProject: Automated claims management platform.

📌 Senior Applied AI Engineer (España)
🏢 N-iX
📍 España