Senior Machine Learning Scientist, Applied AI

Testlio

full-time

Posted on: 9/2/2025

Location: 🇪🇺 Anywhere in Europe

✨ AI Apply

Senior

AWSAzureCloudPythonPyTorchSQLTensorflow

About the role

100% remote role open to those who reside in EMEA or APAC regions (excluding certain high-cost locations).
Help design, build, and scale Testlio’s next generation of AI-powered data products.
Apply advanced ML, data science, and statistical methods to transform testing platform data into actionable insights.
Prototype, validate, and deploy models into production at scale.
Research and implement techniques in NLP, anomaly detection, recommendation systems, and predictive analytics.
Translate outputs into clear, actionable insights for customers.
Measure and improve model performance continuously and contribute to building Testlio’s data science practice.

Advanced degree (Master’s or PhD) in Computer Science, Data Science, Statistics, or a related field.
5+ years applying machine learning and statistical modeling to real-world problems, ideally in SaaS or data products.
Strong Python skills and experience with deep learning frameworks such as PyTorch and TensorFlow.
Hands-on experience with NLP, predictive modeling, recommendation systems, anomaly detection, and training models from scratch using ML and deep learning methods.
Expertise in data wrangling, feature engineering, and managing large, complex datasets.
Knowledge of Large Language Models (LLMs) and Small Language Models (SLMs), including architecture, training, fine-tuning (LoRA, QLoRA, SFT), and deployment strategies.
Experience deploying ML models into production and familiarity with MLOps.
Proficiency with SQL, data visualization tools, and cloud platforms like AWS or Azure.
Curiosity + creativity; Business orientation; Collaborative spirit; Adaptability; Mentorship mindset; Growth mindset.