Cradle Bio B.V. logo

Scientist, Large Libraries

Job Overview

Location

Amsterdam

Job Type

Full-time

Category

Other Engineering

Date Posted

April 13, 2026

Full Job Description

đź“‹ Description

  • • As a Scientist in the Large Libraries team at Cradle Bio, you will drive the development of novel high-throughput screening capabilities to generate massive-scale datasets (>10^6 data points) that power the company’s AI/ML platform for protein design and optimization.
  • • Day to day, you will develop and optimize cutting-edge workflows for protein library screening, build and execute in vitro and cell-based assay pipelines, design experimental frameworks for library construction and data generation, and establish statistically rigorous assays for ML model training.
  • • Cradle Bio is an experienced team of ~75 people with offices in Zurich and Amsterdam, focused on building an AI-guided protein discovery platform used by clients across biopharma, biotech, agri-tech, food-tech, and academia, with strong funding and a commitment to inclusive, innovative culture.
  • • In this role, you will gain hands-on experience shaping the scientific direction of a high-impact startup, lead projects from design to data delivery, collaborate with ML teams to integrate experimental outputs, and deepen your expertise in high-throughput protein engineering while contributing to real-world biotechnology advancements.

Skills & Technologies

Python
Apache Spark
Onsite
Degree Required

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Cradle Bio B.V. logo
Cradle Bio B.V.
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About Cradle Bio B.V.

Cradle Bio develops AI software that helps biologists design improved proteins and microorganisms. Its platform combines generative machine-learning models with wet-lab automation to predict mutations, guide experimental cycles, and accelerate R&D for enzymes, vaccines, and therapeutic proteins. The company serves pharmaceutical, chemical, and food-industry customers, reducing development timelines and costs compared to traditional directed-evolution methods. Headquartered in Delft, Netherlands, with additional operations in Zurich, Cradle Bio was founded in 2021 and operates as a privately held venture-backed entity.

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