About the Role
We are seeking a Senior GEN‑AI Engineer with a Data & Platform focus. You will design, build, and operate GEN‑AI powered, data‑intensive systems that process and learn from large‑scale event streams. This role is production‑oriented: you’ll ship reliable LLM features, prove they work via rigorous evaluation, and continuously improve quality through context engineering.

This is not a research‑only role. You will work on systems where LLMs interact with business‑critical workflows, and where quality, latency, observability, and operational reliability matter.

What you can expect:

Build and maintain production‑grade GEN‑AI services in Python.

Write clean, maintainable, and efficient code.

Optimize applications for performance, reliability, and scalability.

Design systems that process, enrich, and learn from real‑time event streams.

Work with data pipelines, message queues, retrieval systems, and streaming architectures.

Build reliable context and retrieval layers for LLM‑powered products.

Improve LLM quality through context engineering, evaluation,



observability, and feedback loops.

Design systems with idempotency, retries, deduplication, backpressure, and failure recovery in mind.

Collaborate closely with backend, data, product, and infrastructure teams.

What we are looking for:

Bachelor’s degree in Computer Science, Engineering, or a related field.

1+ years of experience with GEN‑AI projects.

5+ years of experience with the Python programming language.

Proven experience building data‑intensive applications.

Hands‑on experience shipping production systems, not only prototypes or notebooks.

Experience with event‑driven systems, message queues, or streaming architectures.

Experience with Kubernetes or cloud‑native infrastructure.

Strong understanding of observability, metrics, logging, alerts, and production debugging.

Ability to reason about reliability topics such as idempotency, retries, duplicate events, backpressure, latency, and

📌 Senior GEN-AI Engineer (Bellprat)
🏢 Klar S.A de
📍 Bellprat