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Machine Learning Engineer (Product) (Fixed Term Contract)

Madrid💼 Contract💰 $45,000–$45,000🗓 2026-05-16 → 2026-08-08

Core

Build and optimize end-to-end data and model pipelines for large language models (LLMs), focusing on compression, evaluation, and alignment to make AI faster and more accessible.

Role type

Machine Learning Engineer (Product)

Builds

Production-ready LLMs and data pipelines for deep-tech applications

Domain

Artificial Intelligence / Large Language Models / Deep Tech

Deliverable

production ML models

Required skills

Python, PyTorch, NumPy, Pandas, Git, Unit Testing, CI/CD, Data Curation, Dataset Validation, Distributed Compute, GPU Management, Docker, Cloud Orchestration, Language Modelling Concepts, Statistical Testing, Model Compression Techniques

Preferred skills

PhD in CS/Math/Physics, NLP/LLM experience, Foundational LLM building, Task-grounded Evaluation, Multi-node Training Debugging, Pruning/Quantization/NAS, SFT, RLHF/DPO/GRPO

Technologies

PyTorch, NumPy, Pandas, Docker, Kubernetes (implied by cloud orchestration), Git

Responsibilities

Create, source, augment, and validate datasets; Stand up training/fine-tuning/evaluation flows; Design rigorous evaluation frameworks; Scale training and inference using distributed compute; Improve models post-training via SFT and RL methods; Optimize and specialize models using compression techniques; Collaborate with researchers and engineers on model serving and observability.

Seniority

Mid-Senior, hands-on IC

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