Senior Machine Learning Engineering Jobgether Madrid, Kingdom Of Spain, ES

Senior Machine Learning Engineering Madrid, Kingdom Of Spain, ES

This role sits at the core of a next-generation ecommerce search and discovery platform that operates at massive general scale. You will be responsible for building and optimizing machine learning systems that directly impact relevance, recall, and business-critical outcomes such as conversion and revenue. The environment is highly technical and innovation-driven, with a strong emphasis on production-grade ML systems and measurable impact. You will collaborate with engineers across distributed teams to push the boundaries of LLMs, deep learning, and large-scale data systems. Design, build, and deploy robust machine learning systems for search and discovery, including NLP, image-based, and multimodal models that improve recall and relevance. Develop and optimize ML/DL models using transformer architectures and LLM techniques to enhance system performance and business KPIs. Translate research ideas and hypotheses into production-ready engineering solutions that improve search quality, ranking, and user experience.



Work on large-scale distributed data pipelines and ML workflows using big data technologies to support end-to-end model development and deployment. Collaborate closely with cross-functional engineering teams to integrate models into broader platforms and ensure system scalability and reliability. Conduct performance optimisation and iterative experimentation to continuously improve model efficiency and business impact.

3+ years of professional experience in applied machine learning with a proven track record of delivering production-grade ML systems.

- Strong expertise in NLP, particularly transformer-based models, along with solid understanding of classical machine learning techniques.
- Advanced Python skills and hands-on experience with deep learning frameworks (PyTorch preferred).
- Strong experience with SQL (e.G., SparkSQL, MySQL or similar) and working knowledge of large-scale data processing systems such as PySpark.
- Ability to translate business ...

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📌 Senior Machine Learning Engineering (Madrid)
🏢 Jobgether
📍 Madrid