Senior Consultant | Embedded Systems, GPU/CPU, AI & Machine Learning
We are working with a leading Quantum AI start-up taking on a mission to make AI faster, greener, and more accessible. Within this role you will be collaborating with world-leading experts in quantum computing and AI, building breakthrough solutions that deliver real-world impact for general clients.
This is your chance to work on cutting‐edge projects at the intersection of LLMs, quantum‐inspired tech, and applied AI innovation.
This is a 9-month fixed‐term contract (with potential extension), based in Madrid with hybrid working flexibility.
What you'll be doing
- Invent new ways to compress and optimise Large Language Models with quantum‐inspired methods.
- Benchmark, stress‐test, and fine‐tune LLMs to boost accuracy, efficiency, and robustness.
- Build and deploy LLM‐powered apps – from RAG systems to AI agents.
- Act as an LLM specialist, spotting opportunities where quantum AI can make the impossible possible.
- Design and train custom deep learning models, not just for language,



but also in computer vision and beyond.
- Keep experiments transparent with clear documentation, while driving innovation at speed.
- Mentor teammates, share knowledge, and help grow a culture of technical excellence.
- Stay ahead of the curve with the latest research, tools, and breakthroughs in AI.

What we're looking for
- A degree in AI, Computer Science, Data Science (BSc, MSc, or PhD).
- 2+ years of hands‐on deep learning experience – designing, training, or fine‐tuning transformers or vision models.
- Strong track record with transformer models (Hugging Face Transformers, Accelerate, Datasets, etc.).
- Solid grasp of deep learning theory, training & inference.
- Excellent Python skills with PyTorch + Hugging Face expertise.
- Understanding of GPU architectures and LLM infrastructure.
- Hands‐on with AWS (or similar), Docker, and deploying models in production.
- Problem‐solver with sharp debugging, testing, and

📌 Machine Learning Engineer (Chamartín)
🏢 European Tech Recruit
📍 Chamartín