Data Science (Team Lead)

Descrição do trabalho

For one of our clients, an international leader in game-tech space, we're seeking a Data Science Team Lead to drive AI innovation within their Risk Management function.As Data Science Team Lead for Risk function, you'll lead a team of 5-7 Data Scientists and Machine Learning Engineers building AI solutions that detect fraud, assess risk, and protect the platform. You'll bridge the gap between complex risk challenges and cutting-edge machine learning, delivering models that operate at scale in production environments.Key ResponsibilitiesTeam Leadership: Directly manage and mentor a team of 5-7 data scientists. Foster technical growth, conduct code reviews, and guide the team through complex, ambiguous problems while promoting a culture of experimentation.Strategy to Execution: Translate high-level risk management requirements into concrete machine learning problems.

Identify high-impact opportunities for AI to improve fraud detection, anomaly scoring, and operational security.Hands-on Delivery: Oversee the end-to-end modeling process, including exploratory data analysis (EDA), feature engineering, model selection, and hyperparameter tuning. Ensure the team adheres to best practices in coding, testing, and comparative experimentation.Production Focus: Collaborate closely with engineering to deploy models into real-time production systems. Implement robust MLOps practices, including CI/CD pipelines, automated retraining, and continuous performance monitoring to ensure scalability and reliability.Must-Have ExperienceManagement: Proven experience leading Data Science or ML teams.Technical Mastery: Expert knowledge of ML/Deep Learning algorithms and Python stack (scikit-learn, TensorFlow/PyTorch, pandas).Production Engineering: Track record of deploying models to production with strong MLOps/CI/CD practices.Foundations: Strong background in software engineering (OOP) and statistical theory.Communication: Fluent English with the ability to explain complex technical concepts clearly.Nice-to-HaveExperience with Spark/PySpark and cloud platforms (Azure/Databricks).Background in Fraud Detection, Risk, or Cybersecurity.Knowledge of real-time scoring and the iGaming/Betting industryOur client considers only applicants who are currently living in Portugal with full legal authorization to work here (valid work permit or EU citizenship).(Please note: We are unable to offer visa sponsorship or relocation support for these positions.) Contract & BenefitsContract: Permanent, full-time employment directly with our client.Compensation: Competitive base salary tailored to your seniority level (assessed during technical interviews) + performance bonus.Perks: Comprehensive benefits package including private healthcare, meal allowance, company card, and access to learning platforms like Udemy.