Principal Data Scientist — On Running
- Location
- Zürich
- Contract
- full-time
- Posted
- Yesterday
Role overview
In short
As a Principal Data Scientist specializing in Personalization and Customer Algorithms, your mission is to set the strategic direction for customer modeling across On.
You will lead high-impact initiatives to architect, train, and deploy personalization algorithms that deliver direct, measurable impact to our business and customers.
- In short
- As a Principal Data Scientist specializing in Personalization and Customer Algorithms, your mission is to set the strategic direction for customer modeling across On.
Application process
- Experience in both deploying Generative AI in customer applications, and using generative AI to accelerate engineering delivery workflows.
- Outstanding storytelling and presentation skills, with the ability to explain complex algorithmic behavior clearly to technical and non-technical stakeholders alike. Meet the team
- We are a fast-growing, collaborative team of Data Scientists and Machine Learning Engineers sitting within Technology.
- We build creative, end-to-end ML and Generative AI models that personalize customer experiences, optimize commercial decision-making, and predict future trends across On's global ecosystem.
- We thrive in an energetic, fast-paced environment where technology is seen as a key driver of innovation and customer delight. What we offer
- On is a place that is centered around growth and progress.
- We offer an environment designed to give people the tools to develop holistically – to stay active, to learn, explore and innovate.
- Our distinctive approach combines a supportive, team-oriented atmosphere, with access to personal self-care for both physical and mental well-being, so each person is led by purpose.
Company and context
- Mentor and guide data science and engineering talent across the organization, fostering high technical standards and a culture of continuous learning. Your story
- You have 10+ years of experience in building and shipping personalization engines, recommendation systems, and customer-level predictive models in a fast-paced D2C or E-commerce environment.
- This should include real-time model training, streaming data processing, and deploying low-latency machine learning models to production systems.
- Proven track record of working side-by-side with Product Management and Tech Partnerships to translate ambiguous business challenges into solutions that have measurable large scale impact on key company KPIs.
- Strong history of defining success metrics and validating customer impact through rigorous experimentation, A/B testing, and continuous feedback loops, in partnership with analytics and product teams.
- Proven ability to lead complex, company-wide initiatives, influence senior business leaders, and drive strategic consensus across multi-disciplinary teams.
- Advanced proficiency in Python, modern machine learning libraries, cloud environments (e.g., GCP, AWS), event-driven architectures (e.g., Kafka), and end-to-end MLOps practices, PyTorch, JAX & Tensorflow.
Additional details
- Operating at the intersection of technology, product management, and commercial strategy, you will simplify technical complexity, navigate an evolving technology landscape, and partner with key product and technology partners to ensure we build algorithms that solve the right problems for our global customer base.
- Mentor and guide data science and engineering talent across the organization, fostering high technical standards and a culture of continuous learning.
- Outstanding storytelling and presentation skills, with the ability to explain complex algorithmic behavior clearly to technical and non-technical stakeholders alike.
- We thrive in an energetic, fast-paced environment where technology is seen as a key driver of innovation and customer delight.
Notes and original content
- Your mission
- Your story
- Meet the team
- What we offer
Questions about this listing
What salary does On Running offer for this role?
On Running lists CHF 121'500 - 206'500 gross per year for this position in Zürich. This is the salary published in the original listing (or, when the employer omits a figure, a realistic estimate for the role and sector) — the calculator on this site converts it to your actual net take-home once cross-border tax and social contributions are applied.
Is this a full-time role, and what type of contract does On Running offer?
This listing is a full-time position. The contract type shown here comes directly from the employer's original posting; always confirm exact hours, notice period and probation length with On Running during the application process, since these details can vary by role even within the same contract category.
Do I need a cross-border work permit for a role in Zürich?
EU/EFTA residents living in the border zone of the country adjoining Canton Zürich can apply for a G permit; the Swiss employer files it with that canton's migration office after the contract is signed. Border-zone rules and processing times vary by neighbouring country and canton, so confirm the specifics with Zürich's cantonal migration office or with HR during the application.
How do I apply for this position at On Running?
Use the "Apply now" button on this page — it links directly to On Running's original listing at boards.greenhouse.io, so your application goes straight to the employer's own applicant-tracking system. Frontaliere Ticino does not collect or forward applications itself.
