At a Glance
- Tasks: Lead the design and deployment of cutting-edge personalization algorithms that drive real customer impact.
- Company: Join a forward-thinking company at the forefront of technology and customer experience.
- Benefits: Enjoy competitive pay, flexible work options, and opportunities for professional growth.
- Other info: Collaborative environment focused on mentorship and continuous learning.
- Why this job: Make a tangible difference in how customers interact with our brand through innovative data solutions.
- Qualifications: 10+ years in data science with expertise in personalization and machine learning.
The predicted salary is between 63000 - 77000 £ per year.
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.
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.
Your Mission Chart the vision for personalization and customer-level algorithms, ensuring all projects align seamlessly with On’s broader commercial goals and north star tech strategy.
Lead complex initiatives to design, train, and deploy batch and real-time machine learning models into well governed production environments.
Partner closely with Product Management and external Tech Partnerships to deeply understand core business challenges and design algorithms that directly solve high-impact customer needs.
Focus relentlessly on driving quantifiable business outcomes and customer value across every touchpoint, from web and app to personalized customer messaging.
Evaluate how we adopt and integrate changing commercial technologies and partner platforms.
Break down complex data science architectures and machine learning concepts to bring cross-functional leadership, product teams, and business partners along on the journey.
Act as a core technical authority on wider-On decisions, establishing standards for real-time model training, MLOps infrastructure, and algorithmic QA metrics.
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, Py Torch, JAX
Hiring: Principal Data Scientist employer: ON.com LLC
At On, we pride ourselves on being an exceptional employer that fosters a dynamic and innovative work culture. Our commitment to employee growth is evident through our comprehensive training programmes and opportunities for advancement within the EMEA region. With a focus on high-end retail projects, you will be part of a collaborative team that values creativity and excellence, making your contributions impactful in a rapidly evolving industry.
