Cronos Europa - AI / ML Engineer - Senior IT profile

We are currently looking for an AI/ML Engineer to strengthen the Cronos Europa team. Full-time Freelance and Employment contract On-site Responsabilities Develop, train, and maintain Machine Learning models and software applications in the fields of Natural Language Processing (NLP) and Artificial Intelligence (AI), including the application of Large Language Models (LLMs) and generative AI for specific use cases. Deploy generative AI models or integrate their APIs, and Retrieval Augmented Generation (RAG) techniques Select features, build and optimize classifiers using Machine Learning techniques. Perform studies and developments aiming at improving the quality of machine translation (MT) engines for each installed language pair, addressing the specific needs of customers of the service concerning MT quality and contributing to a general strategy for the systematic evaluation and long-term improvement of MT quality. Interact with data stewards and other IT stakeholders to define the data rules. Define data controls and implement strategies to ensure data quality, integrity, and the detection and mitigation of bias in datasets and AI models. Create automated anomaly detection systems and constant tracking of its performance. Perform processing, cleansing, and verifying the integrity of data used for analysis. Design and propose the technical architecture for NLP/ML/AI solutions, coordinating its implementation with engineering teams while adhering to data management principles (master data management, metadata). Assess data architecture against quality dimensions (consistency, completeness, accuracy, reasonableness) and recommend target-state improvements. Draft technical guidelines, documentation, and presentations to effectively communicate complex AI concepts, project status, and results to both technical and non-technical stakeholders. Ensure compliance with data protection and AI Act regulations. Implement MLOps practices to automate the Machine Learning lifecycle, including continuous integration, delivery, and monitoring (CI/CD/CD) of models. Monitor model performance in production, identifying model drift and initiating retraining processes to maintain accuracy and relevance. Stay abreast of the latest academic and industry research in AI/ML to propose and pilot innovative solutions that provide competitive advantage. Profile Optional: One of the following or an equivalent certification: AWS Certified Machine Learning - Specialty, Microsoft Azure AI Engineer Associate, SAS Certified Professional AI and Machine Learning. Ability to understand, speak and write English, optionally French as an additional asset. Minimum 10 years of experience in IT Technical skills: Excellent knowledge of programming languages essential for AI/ML, primarily Python and R, and their key libraries (e.g., TensorFlow, PyTorch, scikit-learn, pandas, Spacy, Nltk). Excellent knowledge of Machine Learning techniques and algorithms, such as k-NN, Naive Bayes, SVM, Decision Forests, Neural Network, and/or artificial intelligence frameworks. Excellent knowledge of generative AI, small and large language models. Excellent knowledge of data management principles, including data governance, data quality, data cleaning, and data lifecycle management for AI projects. Good knowledge of cloud tools for Fine tuning or training Models, like AWS SageMaker or Azure Machine Learning Studio. Good knowledge of cloud platforms for building LLM solutions (e.g., AWS Bedrock, Azure AI Studio) and frameworks for orchestration (e.g., Langchain, Llamaindex) and safety/guardrails. Good knowledge of AI Agent Orchestration frameworks, like Langchain or Semantic Kernel. Good knowledge of natural language processing systems lifecycle and agile software development methodologies. Good knowledge of quality assurance and quality control for machine translation (MT) and experience with MT quality procedures, testing methodologies and tools, such as automatic quality metrics (Bleu scores and similar) and human evaluation of MT quality. Knowledge of query languages, such as SQL, HIVE, PIG, etc and with information extraction. Knowledge of NoSQL databases, such as MongoDB, Cassandra, HBase, etc. Knowledge of data visualisation tools, such as D3.JS, Ggplot, etc. Experience in the field of corpus based linguistics. Experience with alignment models and classification methods. Experience with data analytics over big datasets, non-structured databases as well as data lakes. Knowledge of relevant elements of cybersecurity of AI systems Knowledge of the relevant aspects of the AI Act and AI risks. Experience with MLOps practices and tools for model versioning, deployment, monitoring, and governance (e.g., MLflow, Kubeflow). Knowledge of techniques for responsible AI, including bias detection and mitigation (e.g., IBM AIF360, Fairlearn) and model explainability (e.g., Shap, Lime). Why cronos group? We'll propose you: An attractive salary package A good work-life balance environment The assurance of working in cutting-edge technologies in an entrepreneurial spirit. The opportunity to develop your skills thanks to tailor-made training courses according to your needs A good job in a friendly place If you wish to integrate a dynamic structure on a human scale while working with the latest technologies, don't wait anymore and join Cronos! Cronos Europa is an IT and digital communications company uniquely dedicated to serving the European institutions, agencies and bodies. From the European Union to EUROCONTROL, we partner with a range of supranational and interinstitutional authorities. Our mission is to arm them with the tools they need to thrive in the digital age. Every aspect of our organisation is designed to complement their capabilities - from our people to our processes and our premises. Our brand combines the expertise of former companies Cronos International and C-Dev, with the creative skills of Inspiiro and the breadth of capabilities of the Cronos Group. Today, Cronos Europa employs over 1,000 people in offices across Belgium, Luxembourg and the Netherlands, serving institutions across diverse framework contracts. Cronos Europa is part of the Cronos Group, one of the largest IT service providers in the Benelux, employing over 8,000 people across 200 competence centres. By leveraging the Group's resources, Cronos Europa can help clients extract value from new and emerging technologies, for everything from Artificial intelligence to Zg Quantum.