ppbWe are still looking for the very Top Talent… and we would be delighted if you were to join our team! /b /ppMore in details, UST is a multinational company based in North America, certified as a Top Employer and Great Place to Work company with over 35.000 employees all over the world and presence in more than 35 countries. We are leaders on digital technology services, and we provide large-scale technologic solutions to big companies. /ph3What we look for? /h3pA passionate bMachine Learning Engineer /b with experience in bGenerative AI, Large Language Models (LLMs), AI Agents, and MLOps/DevOps environments /b, eager to help design, build, and deploy enterprise-grade AI solutions. /ppbRequired to go to the client's offices in central Madrid 3 days a week. /b /ppHigh english level is required. /pulliDevelop, deploy, and optimize Machine Learning and AI solutions for complex business challenges. /liliDesign and implement multi-agent systems and enable AI models with function/tool-calling capabilities. /liliBuild and maintain Retrieval-Augmented Generation (RAG) solutions using enterprise data. /liliEvaluate, integrate, and optimize AI models, including Large Language Models (LLMs). /liliDesign and improve agentic workflows and AI agents for production environments. /liliTest and optimize prompts and few-shot examples to ensure accurate, consistent, and safe AI outputs. /liliEvaluate model performance using appropriate metrics, benchmarks, and validation techniques. /liliCollaborate with Data Scientists, Data Engineers, Platform Teams, and other stakeholders. /liliParticipate in code reviews, testing, debugging, and quality assurance activities. /liliContribute to the full AI lifecycle, from design and development to deployment and monitoring. /liliBachelor’s or Master’s degree in Computer Science, Data Science, Mathematics, Statistics, or a related field. /liliStrong programming skills in Python.



/liliHands‑on experience with Machine Learning frameworks such as TensorFlow and/or PyTorch. /liliProven experience working with Large Language Models (LLMs). /liliSolid understanding of AI Agents, agentic workflows, orchestration frameworks, and reasoning patterns. /liliExperience designing and implementing RAG architectures. /liliKnowledge of data preprocessing, feature engineering, model selection, and evaluation techniques. /liliStrong understanding of statistics, probability, linear algebra, and optimization concepts. /liliExperience applying software engineering best practices, including version control, testing, and documentation. /li /ulh3Nice to have: /h3ulliExperience working in cloud environments (Azure, AWS, or GCP). /liliKnowledge of MLOps and CI/CD practices. /liliExperience deploying and monitoring AI solutions in production. /liliBackground in financial services, banking, or wealth management. /liliFamiliarity with vector databases and modern GenAI ecosystems. /li /ulh3¿What can we offer? /h3ulli- 23 days of Annual Leave plus the 24th and 31st of December as discretionary days! /lili- Numerous benefits (Heath Care Plan, Internet Connectivity, Life and Accident Insurances). /lili- Free access to several training platforms /lili- Professional stability and career plans /lili- UST also, compensates referrals from which you could benefit when you refer professionals. /lili- The option to pick between 12 or 14 payments along the year. /lili- Real Work Life Balance measures (flexibility, WFH or remote work policy, compacted hours during summertime…) /lili- UST Club Platform discounts and gym Access discounts /li /ulpIn UST we are committed to equal opportunities in our selection processes and do not discriminate based on race, gender, disability, age, religion, sexual orientation or nationality. We have a special commitment to Disability Inclusion, so we are interested in hiring people with disability certificate. /p /p #J-18808-Ljbffr

📌 Python Machine Learning Engineer (Hybrid - Madrid)
🏢 UST España & Latam
📍 Madrid