Data Scientist

Summary

Build and deploy ML/AI models and time-series analyses to optimize Vaillant Group’s products and operations using Python and Azure.

In this role, you will translate business requirements into analytical use cases (machine learning / time series analysis) and drive innovation and efficiency across the Vaillant Group.
You will effectively analyze business use cases regarding feasibility and effort estimation based on the Vaillant data model, including data quality and necessary preprocessing steps.
You will apply state-of-the-art machine learning and AI techniques and advanced statistical methods to achieve company goals.
In addition, you will critically evaluate ML/AI solutions and analyses using metrics to validate the achievement of business objectives and recommend improvements.
You will communicate results with cross-functional project members and stakeholders, using clear presentations and understandable visualizations of insights.
Finally, you will utilize cloud services and self-programmed (Python) applications to develop production-ready AI/ML solutions.

Qualification: You have a Master’s degree in Computer Science, Mathematics, Physics, Bioinformatics, or other quantitative fields with AI/ML relation.
Experience: You bring 4+ years of professional experience in the field of Data Science/Data Analytics with a proven track record in Data Science projects.
Know-how and skills:
- Experience in working with large-scale datasets including a solid understanding of machine learning algorithms, model development, and evaluation. You have a good understanding of time series analysis.
- You have excellent programming skills in Python.
- Experience with Microsoft Azure cloud services and their Data Science-related components (databricks or Spark would be a plus).
Personality: You are a team player, curious and analytically strong, with initiative and motivation to work in an agile and interdisciplinary environment.
Language skills: You are fluent in English; German language skills would be a plus.

Flexible work model: adjustable starting times (7:30 – 9:00AM), hybrid work 70/30, and up to 30 days of remote work from abroad from selected countries.
Health & Wellness support: private medical care (Medicover), sports card subsidy (Multisport), group insurance (Warta), and ergonomic office spaces.
Time off & balance: additional paid 2 days off and subsidies for recreation.
Financial perks: up to 30% discount on company products, support for commuting and eyewear.
Growth & Development: access to internal training, mentoring programs, self-learning platform for languages (eTutor) and international projects.
Culture & Community: company events, family friendly activities, and open opportunities within Vaillant Group.