Testlio

Senior Machine Learning Scientist, Applied AI

Testlio

full-time

Posted on:

Origin:  • 🇪🇺 Anywhere in Europe

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Job Level

Senior

Tech Stack

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.

Requirements

  • 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.