Your mission Are you passionate about technology with a purpose? Want to make a meaningful impact on people's health? At Relu, we're growing - and we're looking for someone like you. We're looking for an AI Engineer Intern to work in our Research & Development team. You will contribute to the core AI systems that power our dental automation platform: Support the development and improvement of AI models and pipelines used by thousands of dental professionals globally Contribute to real product tickets: bug fixes, feature work, or pipeline improvements that go into production Potentially own a scoped AI or engineering project end-to-end — from problem framing to a working prototype or shipped improvement Explore and evaluate new approaches (models, tools, techniques) relevant to our core AI stack Assist in data collection, preprocessing, and labeling to support model training and evaluation Analyze model performance and contribute to iterative improvements in accuracy and reliability Your profile What you should bring to the team: Currently pursuing a Master's degree in Computer Science, AI, Machine Learning, or related field Solid understanding of machine learning fundamentals and deep learning concepts Proficiency in Python and common AI/ML libraries (e.g. PyTorch, TensorFlow, NumPy, scikit-learn) Strong academic track record with relevant coursework in ML/AI Available for a minimum 6-week internship The 'Nice-to-haves': Familiarity with MLOps tools and practices Previous internship or research experience in AI/ML Knowledge of dental or healthcare domain How you work: Eager to learn and comfortable asking questions in a fast-paced environment Self-motivated with ability to work independently on assigned tasks Strong communication skills to collaborate with researchers and engineers Analytical mindset with attention to detail in experiments and documentation Strong problem-solving and analytical skills Our Tech Stack = Your Tech Stack Backend & APIs: Node.js, Python, REST APIs Data & Databases: PostgreSQL Infrastructure & DevOps: Docker, Kubernetes, Terraform Practical Requirements / Eligibility: Fluent in English (written and spoken) Valid work authorization in Belgium Able to work from our Leuven office at least 3 days per week Why us? A mission that matters: we're improving dental care and making higher-quality dentistry accessible to everyone, globally A fast-growing company where your growth goes hand-in-hand with ours — real impact, real ownership, early responsibility and skills in the technologies of the future The chance to work with the latest AI technologies and industry leaders in dentistry Fun team culture: after-works, bi-weekly sports, hackathons, retreats Ready to join us? Let’s talk—and together we’ll shape the future of AI in dentistry. About us Relu is a Leuven-based AI start-up automating the 3D design of dental appliances - freeing up time, cutting costs, and improving global access to dental care. We’re a team of 25 engineers, business and dental people who: Learn fast Own what we do Get stuff done We are actively growing our team and our technology evokes more interest every day, expect your role to evolve over the years!