Data Scientist

Who we Are

At Grant Thornton Greece, we're not just part of a global network of 73,000 professionals across 150 countries. We're independent thinkers who prioritize quality, inclusion, and integrity to create a better, more personal experience for our clients and our team. Our mission? To deliver expertise in a way that goes beyond — Personal, Proactive, and Agile.

We don't predict the future here—we shape it.

Milestones WE are Proud of

Great Place to Work certified for three years running

Best Workplaces Hellas for 2025

Best Workplaces for Women for three consecutive years

Best Workplace in Professional Services & Consulting for 2025

Proud members of the Diversity Charter Greece and certified with the SHARE Equality Label

Flexible way of Working (Hybrid)

Coaching & Counseling from Senior Professionals

The role in detail

We are seeking a proactive and curious Data Scientist to join our AI Center of Excellence. This role focuses on machine learning, with a strong emphasis on time series forecasting and anomaly detection, across projects in diverse domains such as finance, energy, and maritime. You will work on building ethical and responsible AI, developing skills in model explainability, fairness, and uncertainty estimation. Collaborating with experienced engineers, you'll also learn to apply software engineering best practices, including Object-Oriented programming, to build robust, production-ready solutions.

The key responsibilities of this role will include:

• Translate business problems into technical ML tasks.
• Develop and deploy ML models such as time series forecasting and anomaly detection, supervised and unsupervised learning, NLP.
• Perform data preprocessing, feature engineering, and rigorous model evaluation.
• Conduct literature reviews and stay current with state-of-the-art methods.
• Apply and develop methods for model explainability, fairness, and uncertainty estimation.
• Collaborate with engineers to adopt software engineering best practices and ensure code is clean and scalable.
• Clearly present scientific work and model findings in written format.

To be successful at this role you need the following (hard and soft skills):

• 1-3 years in a Data Science or ML role.
• Hands-on experience with Scikit-learn, TensorFlow or PyTorch.
• Solid understanding of ML concepts, time series analysis, forecasting and anomaly detection techniques.
• Strong inclination towards Object-Oriented (OO) programming and clean, reproducible code.
• Ability to perform literature reviews and stay current with academic research.
• Proficient in Python, Pandas, and NumPy.
• Excellent written and verbal communication, with the ability to present scientific work and findings clearly.
• Eagerness to learn from senior team members and work effectively across teams.
• A strong desire for continuous learning and professional growth.
• Sense of ownership.

Nice to Have

• Experience with Git versioning.
• Familiarity with concepts such as model deployment, monitoring, and experiment tracking.
• Background in deep learning and NLP.

What's in it for You?

At Grant Thornton Greece, we believe that great work deserves great rewards Here's what you can look forward to:

• Diverse and inclusive workplace
• Friendly, Dynamic Working environment
• Competitive Salary & Bonus
• Insurance Program for all GT members
• Fully funded Training & Professional Qualifications
• Extra Days-off: August Freedays, Volunteering Days, Early leave days
• Corporate Sports Teams (e.g., Running, Basketball, Volleyball)
• Exclusive Discounts: Special offers and discounts for employees
• Company Car (depending on job level)

Ready to Go Beyond?

If you're imagining a career that's anything but ordinary, then Grant Thornton Greece is the place for you We don't just do business as usual—we go beyond. Ready to take that leap?

Simply upload your up-to-date CV, hit "apply", and we'll handle the rest

We are Grant Thornton. We go beyond business as usual, so you can too.
#WelcomeToMore #GoBeyondWithUs