About this role
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 a Software Engineering Intern to own our Software/Platform team. You will:
- Design AI Agents that can automate the full end-to-end workflow of a dental lab; from order intake, through digital design of dental appliances, to manufacturing (e.g. 3D printing) and delivery
- Build and scale our web platform used by thousands of users globally, ensuring it can handle growing user volumes and orders
- Develop powerful 3D web tools and viewers, allowing our users to inspect and edit the AI proposals, ranging from CAD editing to end-to-end implant treatment planning.
- Think from the user's perspective to turn complex workflows into intuitive experiences
- Design and implement slick user interfaces with a focus on user-friendliness and efficiency
- Build clean, reusable, and testable software components
Your profile
What you should bring to the team:- Currently pursuing a Master's degree in Computer Science, Software Engineering, Engineering, or related field
- Solid understanding of at least one modern programming language (Python, JavaScript, Java, or C++)
- Basic knowledge of software development principles and version control (Git)
- Strong UX and design sensibilities
- Available for a minimum 6-week internship, ideally longer
- Strong problem-solving skills and eagerness to learn in a fast-paced environment
- Good communication skills in English
The 'Nice-to-haves':
- Prior internship or project experience in software development
- Already in your Master's
- Familiarity with web technologies (React, Node.js) or cloud platforms (AWS, Azure, GCP)
- Interest in AI/ML applications or healthcare technology
- Experience with agile development methodologies
- Experience in building complex web applications
How you work:
- Collaborative team player who actively seeks feedback and guidance
- Proactive and self-motivated with ability to work independently when needed
- Curious mindset with willingness to tackle diverse technical challenges
- Adaptable and comfortable with ambiguity in a scale-up environment
Our Tech Stack = Your Tech Stack
- Frontend: Vue.js, React, TypeScript, Three.js, TanStack, Figma
- Backend & APIs: Python, FastAPI
- 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
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
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