Staff ML Engineer, Product Recommendations (m/f/d)
Redcare Pharmacy5 hours ago
Cologne, GermanyStaff+
Responsibilities
- Provide technical leadership for the Recommendations product and shape its architecture, technical direction, and long-term evolution.
- Design, build, and operate production machine learning systems for candidate generation, ranking, personalization, product discovery, and recommendation optimization.
- Translate ambiguous product and business requirements into scalable ML solutions that balance model quality, latency, reliability, scalability, and maintainability.
- Lead technical design and architectural decisions for complex machine learning initiatives.
- Develop ML pipelines for feature engineering, training, evaluation, deployment, monitoring, and continuous model improvement.
- Bring models into production using the company’s cloud-based stack and ensure they remain reliable, observable, and maintainable.
- Identify technical risks, gaps, and improvement opportunities across the recommendation stack.
- Communicate technical decisions, assumptions, limitations, and uncertainty to technical and non-technical stakeholders.
- Raise engineering standards through design reviews, mentoring, knowledge sharing, and ML best practices.
Requirements
- Extensive hands-on experience as a Machine Learning Engineer, ML-focused Software Engineer, or Data Scientist with strong engineering experience.
- Experience building and operating production-grade machine learning systems, pipelines, or model-based products.
- Strong experience with recommender systems, ranking, personalization, or related product discovery systems.
- Demonstrated technical leadership influencing architecture, engineering practices, and technical direction beyond individual contributions.
- Understanding of complex data and ML failure modes such as data leakage, feedback loops, distribution shifts, and misleading offline metrics.
- Ability to make pragmatic system-level decisions across model quality, latency, reliability, scalability, and maintainability.
- Ability to explain complex technical topics and trade-offs clearly to technical and non-technical stakeholders.
- Experience taking ownership of ambiguous, cross-cutting problems and driving initiatives across team boundaries.
- Collaborative approach with a commitment to mentoring, feedback, and helping engineers grow.
Benefits
- Membership package at Urban Sports Club.
- Anonymous and free professional mental-health support from Likeminded.
- Individually arranged work-from-home options, including up to 20 days per year anywhere in the EU when the role does not require office presence.
- Fully funded Deutschland Ticket.
- Support for individual development through internal and external training.
Categories
About Redcare Pharmacy
Redcare Pharmacy is a publicly listed online pharmacy and healthcare e-commerce company serving consumers across seven European countries. It sells prescription and OTC medicines, health and personal-care products, and operates a marketplace and retail-media platform for brands. Founded in 2001 and headquartered in Sevenum, Netherlands, it runs major distribution centers in Sevenum, Milan, and Pilsen and traces its roots to Shop Apotheke Europe.