Senior Data Scientist (f/m/d)

Stack

Responsibilities

• ▹Own LLM/ML pipelines for extraction, classification, anomaly detection, and recommendations
• ▹Define evaluation & monitoring: gold sets, automated tests, robustness checks, SLAs, and cost/latency tracking
• ▹Productionize with Platform/Data Engineering and iterate until models are adopted by stakeholders

Requirements

• ▹5-10+ years in applied ML with production ownership of shipping models/systems
• ▹Hands-on LLM app/agent experience (tool use/function calling, RAG, structured outputs, guardrails) in production
• ▹Strong Python + ML stack (e.g., scikit-learn, XGBoost/LightGBM, PyTorch/TF) and solid experiment/evaluation skills

Soft skills

What we offer

• ▹Top-of-market compensation package, including equity
• ▹Vibrant offices with weekly breakfasts and Friday demos
• ▹20 days 'work from abroad'
• ▹600 EUR/GBP Learning & Development budget
• ▹Additional local benefits

About the company

Moss is a SaaS scale-up founded in Berlin, with 300+ people from 50+ nationalities across 5 European offices. It aims to power every SMB's spend across Europe with a fully digital, AI-driven product used by over 5,000 businesses in Germany, the Netherlands, and the UK, and has raised €180 million in funding.