Senior Data Scientist (GenAI)

Location: Athens, Greece

Company

hirify.global, the team powering Betano, is one of the world's largest GameTech companies, operating in 20 markets with a diverse international team.

What you will do

• Architect agentic and GenAI systems, translating product requirements into high-impact AI problems.
• Manage the full lifecycle of AI features, from data collection and model design to production implementation.
• Perform exploratory data analysis (EDA) and feature engineering to support the modeling process.
• Select appropriate LLMs, perform prompt engineering, and execute model fine-tuning and parameter tuning.
• Run comparative experiments and analyze ML metrics to evaluate and optimize potential solutions.
• Mentor junior team members and lead complex technical projects.

Requirements

• Hands-on experience with GenAI and agentic applications.
• Extensive experience delivering and scaling AI-driven products in production environments.
• Strong knowledge of machine learning algorithms, theory, and the Python ecosystem with a solid OOP background.
• Fluency in English, both oral and written.
• Must be based in Athens, Greece.

Nice to have

• Experience with Big Data tools such as Spark or PySpark.
• Experience with cloud environments, specifically Azure or Databricks.
• Previous experience with LLM fine-tuning and serving.
• Knowledge of Deep Learning.

Culture & Benefits

• Work within a diverse team of over 2,700 professionals from 40+ nationalities.
• Employee-centric environment recognized as one of the Best Workplaces in Europe.
• Certified Great Place to Work across all global offices.
• Opportunity to work with cutting-edge technology in a high-growth GameTech industry.