Full-time

Backend Software Engineer, Python

Posted by Cradle • Zürich, Zürich, Switzerland

📍 Zürich, Zürich 🕒 February 17, 2026

About the Role

Join to apply for the Backend Software Engineer (Python) (Senior+) (f / * / m) role at Cradle .

This is Cradle

Proteins are the molecular machines of life, used for many therapeutic, diagnostic, chemical, agricultural and food applications. Designing and optimizing proteins requires a lot of expert knowledge and manual effort, through the use of custom computational and biological tools. Machine learning is revolutionising this space, by enabling high‑fidelity protein models. At Cradle we offer a software platform for AI‑guided discovery and optimisation of proteins, allowing biologists to design proteins faster and at scale. We are already used by clients across pharma, biotech, agritech, foodtech, and academia.

We're an experienced team of around 70 people and have enough funding for multiple years of runway. We are distributed across two main locations, Zurich and Amsterdam, and focus on building the best possible team culture.

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