Senior Data Scientist

About the role

We are seeking a Senior Data Scientist to solve complex problems, build production‑ready machine learning solutions, and work with modern AI/LLM technologies. The position is fully remote within Colombia and initially runs for four months with a high likelihood of extension.

Key responsibilities

• Develop, test, and deploy machine learning models in production environments.
• Design and optimise feature engineering and selection strategies.
• Build similarity‑based retrieval models, recommendation systems, and high‑cardinality matching solutions.
• Design and refine LLM prompts for semantic ranking and classification.
• Analyse large datasets to uncover patterns and create scalable, data‑driven solutions.
• Collaborate with cross‑functional and technical teams to translate complex problems into impactful outcomes.

Required profile

• Bachelor’s or Master’s degree in Data Science, Computer Science, Statistics, Engineering, or a related quantitative field.
• At least 6 years of hands‑on data science experience, including deploying ML models to production.
• Advanced English communication skills.

Required skills

• Advanced Python programming.
• Proficiency with pandas, NumPy, and scikit‑learn libraries.

What we offer

• 100% remote work from anywhere in Colombia.
• Opportunities to tackle challenging ML and AI problems.
• Hands‑on exposure to LLM‑powered solutions and modern AI applications.
• Very high likelihood of contract extension beyond the initial four months.