Overview
AI Machine Learning & LLM Software Engineer - Madrid or Barcelona - Fixed Term Contract - Hybrid remote working - up to €60k-80k p / a - English language only
We are a specialist recruitment agency seeking an AI Machine Learning and LLM software engineering specialist to join our client's growing AI / ML team in Madrid OR Barcelona.
This role will be offered on a fixed term contract basis lasting until around the middle of 2026.
Candidates must speak fluent English (Spanish is not required but would be useful).
Salary range is roughly €60k-80k p / a + bonuses + relocation allowance
If you're passionate about pushing the boundaries of
Large Language Models (LLMs)
Computer Vision
and you thrive at the intersection of
hands-on technical work and team leadership
we'd love to hear from you.
What You'll Do
- Work in a team of talented ML and AI engineers.
- Drive end-to-end development of Large Language Model and CV projects from research to production.
- Work hands-on with Large Language Model fine-tuning (LoRA / QLoRA), pruning, quantization, and compression to optimize performance.
- Oversee deployment of models at scale, balancing innovation with production-grade reliability.
- Collaborate with cross-functional teams to translate business needs into technical solutions.
- Shape the team's roadmap, ensuring alignment with company goals.
What We're Looking For
Proven experience fine-tuning LLMs (beyond API integration) – LoRA, QLoRA, pruning, quantization, distillation.Strong Computer Vision background – object detection, segmentation, multimodal learning.Hands-on coding ability in Python, PyTorch, Hugging Face, TensorFlow.Knowledge of MLOps and cloud environments – AWS / GCP / Azure, Docker, Kubernetes, CI / CD.Experience leading ML / AI teams, mentoring engineers, and delivering production-grade systems.Excellent communication skills – able to engage with both technical and business stakeholders.Nice to Have
Experience with RAG systems, agentic AI, or multimodal models.Exposure to high-performance optimization tools – DeepSpeed, TensorRT, OpenVINO.Academic publications or open-source contributions in ML / AI.Why Join?
In this company you'll work with cutting-edge AI in a world-class research & innovation hub.Competitive salary & benefits package.Opportunity to lead transformative LLM & CV projects.Collaborative, international work culture.Interested? Apply now or reach out directly for a confidential chat.
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