Set up an AI-supported ad-recommendation platform in AWS, serving the main T- Mobile NL B2B website, mobile app and chat-bot serving >60,000 business clients. Set up cloud infrastructure using Terraform and Gitlab CI/CD, data pipelines with Airflow, SQL, Pyspark and the AWS data stack (Redshift & Data Lake). Experimented with ML/AI models such as XGBoost & LLM's using LangChain