Internship - Backend Programmer; Master’s level

Internship at Fearless League

Are you a Master’s student looking for an internship with real‑world impact? At Fearless League, we build software tools used in cutting‑edge life sciences research – supporting molecular biology research, lab operations, and data systems.

This role is intended for students enrolled in a Master’s program in Computer Science, AI, Software Engineering, Bioinformatics, or other relevant area. Depending on your skills and interests, you could work on:

• AI & Machine Learning
• Web Application Development
• Bioinformatics & Visualization

We’re looking for someone who:

• Has skills in PHP (Laravel), Python and/or JavaScript (React)
• Has experience with Git Hub, Git Lab, Bitbucket
• Is analytical and detail‑oriented, with a love for problem‑solving and clean code
• Works well both independently and collaboratively
• Is enrolled in a Master’s program in Computer Science, Software Engineering, or a related field
• Has a strong command of English (Dutch is a plus, not required)
• Has a background in the life sciences (bonus)
• Is eligible to work in the EU

What you’ll get:

• Mentorship from a senior development team with strong scientific and technical expertise
• Real‑world feedback from scientists using our tools
• An experienced team where your work has impact
• A chance to build tools used by research labs and biotech teams
• Internship allowance

This is an in‑office internship based at the Leiden Bio Science Park. If you cannot commute, this opportunity is not a good fit.

Ready to apply? Send your CV and a short motivation letter to .