Data Scientist – Recommender Systems

Arrise is seeking an experienced ML Engineer to design end-to-end recommendation pipelines and scalable ETL workflows. You will develop, evaluate, and improve models for next-item prediction, integrating multi-modal signals and ensuring production-grade reliability. Join a remote role based in Portugal, with a focus on cloud-based deployment, A/B testing,...

Senior Data Scientist Empresa : Johnson Controls, Inc. Tipo de Emprego : Periodo Integral Portugal Descrição do Emprego - Senior Data Scientist What you will do We are hiring a Senior Data Scientist to play a key role in building our Agentic AI Platform — a system of autonomous, tool-using AI agents that plan, reason, and execute complex business...

Seeking a Data Scientist to design and implement AI-driven systems, including LLM-based agents, for innovation in the banking sector. Requires strong Python/SQL skills and 3-5 years of experience.

Job Title: Data Scientist Job Type: Contractor Location: Remote Role Overview Partnering with a leading AI research organization to engage experienced data scientists for a project focused on evaluating how well AI systems perform real-world data science work. Rather than producing deliverables yourself, you will define what excellent work looks like:...

Senior Data Scientist (Agentic AI Platform) Job Description What you will do We are hiring a Senior Data Scientist to play a key role in building our Agentic AI Platform — a system of autonomous, tool-using AI agents that plan, reason, and execute complex business workflows end-to-end. The ideal candidate combines strong ML fundamentals with hands-on...

We're looking for a Staff Data Scientist to lead the technical direction, scaling, and evolution of our core AI capabilities across two tightly connected domains: Search, Ranking & Recommendations : advancing our multi-stage retrieval and ranking systems (Two-Tower networks, Vector Search/ANN, LTR) to optimize catalog discovery for raw physical products and...

Fyul is seeking a Staff Data Scientist to lead the technical direction, scaling, and evolution of core AI capabilities across search, ranking, and recommendations, with emphasis on multimodal and sequence embeddings. You will own the data science strategy and collaborate across data science and ML engineering teams to elevate production systems. The role...

Principal Clinical Scientist (AI Training) About The Role What if your career-long expertise in clinical trial design and regulatory science could directly shape how AI reasons about medical evidence for millions of patients worldwide? We're looking for a Principal Clinical Scientist to bring senior-level rigor to cutting-edge AI research workflows. In this...

Associação Fraunhofer Portugal Research is seeking a Junior AI Evaluation / Trustworthy AI Scientist. You will contribute to advancing evaluation frameworks for LLM-based and agentic AI systems, focusing on robustness, uncertainty, bias, and fairness. You will work on reproducible pipelines, data quality, and uncertainty analysis while addressing...