As a vibrant, international IT scale‑up, we support accountants, businesses, and entrepreneurs in handling their accounting more efficiently, simply, and enjoyably. A True Yukiaan at Heart Driven, enthusiastic, and with a quirky side: there's always some buzz in our trendy office in Berchem. And that’s the way we like it Contract: Full time on site
At Yuki, we continuously encourage innovation, self‑development, and initiative.
Dedicated – Involved, helpful, and full of passion: as one close‑knit team, we always go the extra mile.
As our Applied Data Scientist, your mission is to build the machine‑learning models that make Yuki smart — the models that classify documents and predict the right general ledger (grootboek), turning a client's raw invoices into clean, usable accounting data.
you'll keep them accurate as the data and the business shift. Train and evaluate classic ML (XGBoost, scikit‑learn) and transformer models for document classification and ledger prediction.
Fine‑tune LLMs: Do real model training and fine‑tuning with PyTorch and HuggingFace.




Guard production quality: Build deep understanding of accounting and financial‑document structure, and translate it back into modeling decisions.
A strong applied ML background (4+ years applied data science), comfortable across both classic ML and transformer models.
Formal data‑science foundation (statistics, the scientific method, sound evaluation methodology).
Python, PyTorch, scikit‑learn, HuggingFace, Pandas, MLflow, Databricks, Snowflake.
A communicator and co‑creator: strong IC who thinks, shares, and explains ML in plain business language (data‑driven storytelling and visualization a real plus).
Fluent English is a must.
What's in It for You
A generous training budget available from day one for specialised certifications, courses and training to solidify your expertise.
Plenty vacation days (and the option to buy extra days), plus the possibility of Workation: up to 5 weeks per year of remote work.
Enjoy t

📌 Applied Data Scientist At The Yuki Company (Cataluña)
🏢 The Yuki
📍 Cataluña