Senior Data Scientist – Machine Learning & Python

About the job

NICE TO MEET YOU!

YOUR PROFILE

• 4+ years of professional experience in data science or applied machine learning.
• Degree in Computer Science, Data Science, Statistics, or a related technical field.
• Solid understanding of statistics, model validation, and machine learning methodologies.
• Strong programming skills in Python and experience with libraries such as scikit-learn, TensorFlow, or PyTorch.
• Hands-on experience with Azure Cloud or similar cloud platforms. Snowflake experience is a plus.
• Proficiency with Apache Airflow for workflow orchestration and pipeline automation.
• Experience with Azure ML or similar ML platforms for model management and deployment is a plus.
• Excellent communication and problem-solving skills, with the ability to explain complex results clearly.
• Excellent communication skills in English (German or French is a plus).
• Non-smoker - we don't want you to smell like cigarettes, neither at work nor at customer meetings. After all, FELFEL is about good food.
• Valid work permit or Swiss passport.

OUR BENEFITS

• Lots of delicious food, just a few steps away from your desk - we make your gastronomic dreams come true
• Best barista coffee and tea for the whole team, thanks to our innovative Gavetti coffee machine
• 5 weeks holiday per year, as well as two full weeks of ‘work from anywhere’ per year to bring more variety to your work day
• We encourage our employees to use public transport by covering your half-fare travelcard
• New parents get 16 or 3 weeks, respectively, of fully paid parental leave. We also support the return to work by making a generous financial contribution to childcare until the child reaches kindergarten age.
• Great team events, such as our well-known FELFEL Summer Outing

YOU WILL BE MEASURED BY

APPLY NOW

IN SHORT

We are looking for an experienced Senior Data Scientist (80-100%) with a deep passion for machine learning, statistical modeling, and scalable AI to join our Data and Analytics team at our Zürich office. The ideal candidate will be able to create robust data pipelines with Airflow, write production-ready ML software using Python, and manage the model lifecycle through Azure ML.
 
Your mission: You will join our Data and Analytics team in building a stable, scalable data platform that drives business insights across marketing, supply management, food planning, and delivery. Your work will also focus on designing and maintaining accurate forecasting models to support menu planning and food distribution — helping FELFEL enhance and optimize the user experience for everyone enjoying FELFEL fridges and Gavetti coffee.

YOUR RESPONSIBILITIES

• Design, develop, and deploy advanced machine learning models for predictive analytics, including time series forecasting, recommendation systems, and potentially image and text recognition.
• Develop reliable, reusable ML code and integrate models into production environments using Python best practices.
• Manage the full machine learning lifecycle — from experimentation and training to deployment and monitoring — through Azure ML.
• Build and maintain data pipelines and automation workflows using Apache Airflow, leveraging Snowflake as the central source of truth to deliver clean, consistent, and model-ready data for reliable analytics and machine learning.
• Collaborate with data engineers, analysts, and stakeholders to translate business needs into machine learning solutions.
• Conduct statistical analysis and validate model performance to ensure measurable business impact.
• Contribute to continuous improvement and knowledge sharing within our data science community of practice.

WHAT TO EXPECT

ABOUT US

FELFEL is all about good food and coffee in the workplace: we help Swiss employers become masters of hospitality. 

With our smart fridge ‘FELFEL’ and delicious barista coffee ‘Gavetti’, we enable companies to provide their employees with first-class, ultra-fresh food and drinks throughout the day. Whether hearty and traditional, modern and vegan or high in protein - our weekly changing menu ensures that all employees always have something to be excited about ;).

FELFEL is a family business that was founded in 2013. Today, we take care of around 1000 locations in Switzerland, and have 150 employees across our offices in Lausanne, Zurich and New York. 

www.felfel.ch

FELFEL VALUES