Data Scientist
ContractHybridIn English
About the job
Kaizo is looking for a Data Scientist to join their team in Amsterdam. In this role, you will work on improving AI evaluation by building datasets, running experiments, and making results actionable.
What you will do
- Translate customer rubrics into AutoQA instructions
- Run experiments to improve accuracy
- Build golden and synthetic datasets for evaluation
- Build LLM-as-a-judge pipelines
- Make results actionable by prompting changes or adjustments
- Evaluate retrieval, tool calling, and speech pipelines
What you bring
- Understanding of how LLMs work and prompting experience
- Good applied statistics: experiment design, classifier evaluation, imbalanced data
- Strong Python skills with Pandas, NumPy, Jupyter
- Analytical, evidence-first mindset
- Product sense and empathy for end users
- Excellent written and verbal communication
Nice to have
- Experience with LangSmith or similar LLMOps tooling
- Google Cloud Platform, BigQuery, Docker, or Kubernetes
- Speech/audio processing or ASR evaluation
- Fine-tuning or building synthetic datasets for LLMs
What you get
- Office in Amsterdam with hybrid flexibility
- Visa sponsorship available
- Great office gear
- Flexible working schedule and open holiday policy
- Workations and team events
- Clear growth path into senior roles
Summary by Personeel.com. The full job description and the application form are on Kaizo's website (kaizo.recruitee.com); Apply takes you straight there.