Machine Learning Engineer (Product)

Join the Future of AI : Machine Learning Engineer (Fixed Term Contract until the end of June 2026)

Are you a driven Machine Learning Engineer ready to tackle the next generation of computing?

We are a leading Quantum AI company pioneering cutting-edge solutions that make AI faster, greener, and more accessible . This is a fantastic opportunity to work alongside world-leading experts in quantum computing and AI, developing solutions that deliver real-world impact for global clients.

This is an initial Fixed Term Contract until the end of June 2026 offering Hybrid working from our sites in Madrid or Barcelona .

What You'll Be Doing :

As a Machine Learning Engineer focused on Product , you will be responsible for bringing our innovative AI models from concept to production. Your core responsibilities will include :

• End-to-End Pipeline Development : Build complete data and model pipelines—from sourcing, augmenting, and validating datasets to standing up training / fine-tuning / evaluation flows and shipping models that meet product requirements.
• Rigorous Evaluation : Design and implement robust evaluation frameworks, including statistical testing and reliability checks, to verify task competence and alignment.
• Scaling & Optimization : Scale training and inference by making effective use of distributed compute, optimizing throughput / latency, and identifying opportunities for algorithmic or systems-level speedups.
• Post-Training Model Improvement : Apply methods like Supervised Fine-Tuning (SFT) and preference-based or reinforcement learning to enhance model helpfulness, safety, and reasoning.
• Model Specialization : Optimize and specialize models using compression techniques to meet performance and footprint targets.
• Cross-Functional Collaboration : Partner closely with ML engineers, researchers, and software engineers on data curation, evaluation design, training runs, model serving, and observability.
• Code Excellence : Contribute to our shared codebase by writing clean, well-tested Python ; documenting decisions; and upholding high engineering standards.

What You'll Bring :

Apply today and help us define the future of Artificial Intelligence!

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