Data Scientist – LLM Expert position at Kyndryl.| Spain

Kyndryl Data Scientist – LLM Expert

Experience: 4-years

Pattern: full-time

Country:

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Associate

Madrid, Spain....Spain

Who We Are At Kyndryl, we design, build, manage and modernize the mission-critical technology systems that the world depends on every day. So why work at Kyndryl? We are always moving forward – always pushing ourselves to go further in our efforts to build a more equitable, inclusive world for our employees, our customers and our communities. The Role We’re looking for exceptional talent to join our AI Agentic Innovation Hub at Kyndryl! The AI Agentic Innovation Hub stands as Kyndryl’s center of excellence for advanced and agentic artificial intelligence. Our mission is to lead the design and deployment of transformative AI solutions that bridge frontier research with real-world impact — scalable, secure, and driven by measurable value. Built upon a team of exceptional talent and cutting-edge technology, the Hub embodies a spirit of bold innovation and disciplined execution — an elite unit within one of the world’s leading technology companies. With national reach and global ambition, we partner with major organizations to tackle their most complex challenges, pioneering the next generation of intelligent, autonomous, and trusted systems that redefine what AI can achieve. Job Description As an Associate Data Scientist at Kyndryl’s AI Innovation Hub, you’ll be part of a team that turns data into intelligent, high-impact solutions. You’ll collaborate with senior data scientists, ML engineers, and AI architects to design, train, and validate predictive and machine learning models that tackle real business and operational challenges. You’ll participate in every stage of the model lifecycle — from data exploration and feature engineering to modeling, evaluation, and documentation — helping transform raw data into actionable insights. This is a hands-on, learning-focused role in which you’ll work with modern technologies, contribute to scalable AI solutions, and grow your expertise within an environment that values experimentation, rigor, and curiosity. If you’re passionate about data, eager to learn from experienced professionals, and ready to contribute to cutting-edge AI initiatives for leading global clients, this is your opportunity to build the foundation of your career in applied data science. Your Mission Collaborate with senior scientists and engineers to develop and validate   machine learning and predictive models . Participate in the  end-to-end model lifecycle  — from data collection and preparation to training, evaluation, and documentation. Contribute to  feature engineering , exploratory analysis, and performance optimization of models. Apply  statistical and analytical techniques  to extract meaningful patterns and insights from data. Assist in model deployment and monitoring within  MLOps environments  and cloud platforms. Document experiments and ensure transparency, reproducibility, and traceability of results. Stay up to date with  new algorithms, frameworks, and best practices  in data science and applied AI. Actively contribute to a collaborative, knowledge-sharing culture within the Hub. Who You Are Essential Qualifications 2 –4 years of experience in  data science ,  advanced analytics , or  machine learning  projects. Practical experien ce build ing and validating models for  classification ,  regression , or  segmentation  tasks. Solid skills in  Python  and core data science libraries (Pandas, NumPy, Scikit-learn, Matplotlib, XGBoost , LightGBM ). Familiarity with  neural networks  and deep learning frameworks (TensorFlow, PyTorch ). Strong understanding of  data preprocessing , handling missing values, unbalanced datasets, and outlier detection. Experience with  model evaluation and validation  (ROC, AUC, F1, RMSE, precision, recall, cross-validation). Basic knowledge of  cloud AI platforms  (Azure ML, Vertex AI, SageMaker, Databricks). Awareness of  model versioning and experiment tracking  tools ( MLflow , DVC). Understanding of  Responsible AI  concepts — bias mitigation, transparency, and interpretability. Education & Certifications Bache lor’s degree in  Computer Engineering ,  Mathematics ,  Statistics ,  Physics ,  Data Science , or related field . Postgraduate or Master’s degree in  Artificial Intelligence ,  Machine Learning , or  Data Analytics  is valued. Complementary training or certifications in  Machine L earning ,  Data Science , or  MLOps  are a plus. Demonstrated interest in continuous learning and professional growth in applied AI. Preferred Skills Exposure to   data pipelines ,  ETL processes , and  data preparation workflows . Familiarity with  SQL/NoSQL databases  and working with APIs for data access. Experience supporting model integration and testing within  production environments . Curiosity for  new algorithms, frameworks , and emerging tools in AI and MLOps . Experience with  data visualization  and presentation of insights to cross-functional teams. Ability to collaborate effectively in agile, fast-paced environments . Soft Skills Analytical curiosity  and a  scientific mindset , eager to understand problems deeply and find evidence-based solutions. Clear and structured communication , both in technical documentation and team collaboration. Logical and organized thinking , applying rigorous methodologies to problem-solving. Collaborative spirit , working proactively with technical and business profiles to deliver results. Attention to detail and quality , ensuring reproducibility and reliability in models and analyses. Continuous learning attitude , exploring new techniques, algorithms, and tools to strengthen the Hub’s capabilities. Adaptability and growth orientation , thriving in a dynamic, innovation -driven environment. #AgenticAI Being You Diversity is a whole lot more than what we look like or where we come from, it’s how we think and who we are. We welcome people of all cultures, backgrounds, and experiences. But we’re not doing it single-handily: Our Kyndryl Inclusion Networks are only one of many ways we create a workplace where all Kyndryls can find and provide support and advice. This dedication to welcoming everyone into our company means that Kyndryl gives you – and everyone next to you – the ability to bring your whole self to work, individually and collectively, and support the activation of our equitable culture. That’s the Kyndryl Way. What You Can Expect With state-of-the-art resources and Fortune 100 clients, every day is an opportunity to innovate, build new capabilities, new relationships, new processes, and new value. Kyndryl cares about your well-being and prides itself on offering benefits that give you choice, reflect the diversity of our employees and support you and your family through the moments that matter – wherever you are in your life journey. Our employee learning programs give you access to the best learning in the industry to receive certifications, including Microsoft, Google, Amazon, Skillsoft, and many more. Through our company-wide volunteering and giving platform, you can donate, start fundraisers, volunteer, and search over 2 million non-profit organizations. At Kyndryl, we invest heavily in you, we want you to succeed so that together, we will all succeed. Get Referred! If you know someone that works at Kyndryl, when asked ‘How Did You Hear About Us’ during the application process, select ‘Employee Referral’ and enter your contact's Kyndryl email address.

Data Scientist – LLM Expert job opportunity at Kyndryl.

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