Redcare Pharmacy
Senior ML Engineer, Retail Media
Senior ML Engineer für Retail Media bei Redcare Pharmacy in Köln. Entwicklung und Betrieb produktionsreifer Machine-Learning-Systeme für Werbe- und Ranking-Anwendungen im Retail-Media-Umfeld.
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What the employer offers
- Gym and wellness
- Work from home
- Transit ticket
- Training and development
Job description
About your tasks:
- Work with colleagues from our Data & AI department and collaborate closely with product managers, engineers, and commercial stakeholders.
- Design, build, and operate machine learning systems for retail media use cases such as sponsored product ranking, audience segmentation, campaign optimization, attribution, and performance measurement.
- Translate business and product requirements into scalable ML solutions, balancing model quality, latency, reliability, scalability, and maintainability.
- Develop robust ML pipelines for feature engineering, training, evaluation, deployment, monitoring, and continuous model improvement.
- Bring models into production using our cloud-based stack and ensure they are reliable, observable, and maintainable over time.
- Communicate technical decisions, assumptions, limitations, and uncertainty clearly to product, engineering, and business stakeholders.
- Contribute to ML engineering standards, best practices, and knowledge sharing within the team.
About you:
- You have several years of hands-on experience as a Machine Learning Engineer, ML-focused Software Engineer, or Data Scientist with strong engineering experience.
- You have built and operated production-grade machine learning systems, pipelines, or model-based products.
- You have experience working with retail media, or alternatively recommender systems or ranking.
- You are comfortable working with complex data and understand common ML failure modes such as data leakage, feedback loops, distribution shifts, and misleading offline metrics.
- You enjoy working close to the business and can explain complex technical topics clearly to non-technical stakeholders.
- You take ownership, work proactively, and are comfortable navigating ambiguity in an early-stage product environment.
- You value collaboration, give and receive feedback openly, and enjoy helping others grow.
About your benefits:
In order to provide our employees with the best possible support for their individual needs, we offer a wide range of benefits:
- Sports: Stay healthy. Profit from a membership (M) package at Urban Sports Club, so that you can take advantage of a huge variety of sport offers.
- Mental Health: Get quick and professional help from psychologists of Likeminded if you feel overwhelmed in private or professional life. Anonymous and free of charge. 
- Work from Home: If your job does not require you to be present in the office, we can arrange the place you work from individually - even for up to 20 days a year anywhere in the EU.
- Mobility: We provide our employees with a fully costed Deutschland Ticket which can be used at any time. Click here to learn more.
- Personal development: Grow! We support and encourage your individual development through various in- and external trainings.
- And many more:)
