Data Scientist (M/F/D)

PAYBACK GROUP; München; Hybrid; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Hybrid work (2 days home office/week)

30 vacation days

Sabbatical option

Free meals and snacks

In-house gym access

Health weeks and on-site massages

Team events and open culture

Dogs welcome

Germany ticket subsidy

Job bike leasing

Commitment to female leadership

Job summary

PAYBACK GROUP in Munich is seeking a Data Scientist to build data-driven ML models and solutions on Google Cloud Platform, collaborating with business units to turn questions into actionable insights.

You will lead feature engineering, model training and validation, and production deployment while working with Vertex AI, BigQuery and Cloud Storage. English and German communication is valued, with hybrid work options available.

Qualifications

• Experience in development and operationalization of machine learning models or data-driven products.
• Strong Python and SQL for data analysis, feature engineering and ML model development.
• Hands-on with Google Cloud Platform services such as Vertex AI, BigQuery and Cloud Storage.
• Understanding of the full ML lifecycle and ability to work with both statistical and technical aspects.
• Excellent analytical thinking, structured work style and ability to translate business questions into data-driven solutions.
• Strong written and spoken English; German language skills are a plus.

Responsibilities

• Design, develop and implement data-driven ML products and solutions.
• Develop and validate ML models from exploration to production.
• Support lifecycle management of ML models on GCP and deployment into production.
• Collaborate with business stakeholders to identify opportunities and translate them into data-driven solutions.
• Analyze and optimize model performance to ensure long-term relevance and impact.
• Evaluate new ML methods and technologies and share knowledge within the team.

Skills

Python

SQL

Data analysis

ML model development

GCP

Tools

Vertex AI

BigQuery

Cloud Storage

Job description

Team language: English, German

Contract type: Unlimited, full-time (40h/week), starting as soon as possible

About the role

As a Data Scientist (m/f/d), you develop data-driven solutions and machine learning models that create measurable value for our business. From identifying relevant business questions and developing and validating models to enabling their productive use on the Google Cloud Platform (GCP), you support the entire data science process. In this role, you work closely with our business departments and translate data into actionable insights and innovative solutions.

Your day-to-day work

• You design, develop, and implement data-driven products and solutions based on modern machine learning methods
• You are responsible for the development of ML models, from exploratory data analysis and feature engineering to training, evaluation, and validation
• You support the entire lifecycle of machine learning models on the Google Cloud Platform (GCP) and contribute to their successful deployment into production
• You work closely with our business stakeholders, identify opportunities, and translate them into tangible data-driven solutions
• You analyze and optimize the performance of existing models and ensure their long-term relevance and effectiveness
• You evaluate new methods, technologies, and machine learning approaches and actively share your knowledge within the team

You’re a great fit for this role if …

• You have already gained experience in the development and operationalization of machine learning models or data-driven products
• You bring solid knowledge of Python and SQL for data analysis, feature engineering, and ML model development
• You have hands-on experience with Google Cloud Platform services such as Vertex AI, BigQuery, or Cloud Storage
• You understand the complete lifecycle of machine learning models and are confident working with both statistical and technical aspects
• You think analytically, work in a structured manner, and solve complex challenges with a data-driven approach
• You communicate confidently in English and ideally also have German language skills

Conditions & benefits

• Flexibility: 30 vacation days plus the option to purchase additional leave, hybrid working (2 days home office/week), option for a sabbatical
• Food & drinks: Mostly free, healthy, and varied meals, fresh fruit and popcorn daily, as well as coffee and tea
• Health & fitness: Free access to our in-house gym, health weeks, on-site massages and physiotherapy treatments
• Culture: Team events, social days, and an open “come as you are” culture, dogs welcome, commitment to female leadership
• Development: Individual training and development opportunities within the team and across the organization
• Mobility: Subsidized Germany ticket, central location with direct subway access, job bike leasing

Why PAYBACK?

PAYBACK is the leading loyalty program in Germany and one of the largest data-driven marketing platforms worldwide. Our solutions reach millions of people every day.

With more than 1,000 employees in Munich, we develop all technical solutions in-house and combine data, technology, and marketing to create measurable value. You can expect interdisciplinary teams, real ownership, and an open, innovation-driven culture.

The PAYBACK GROUP values diversity – come as you are