Staff ML Engineer (Product Recommendations)

Location: Munich, Germany; full-time. Work-from-home arrangements may be available where office presence is not required, including up to 20 days per year from anywhere in the EU.

Company

hirify.global is a European e-pharmacy focused on digital health products and services.

What you will do

• Provide technical leadership for the Recommendations product and define the architecture and long-term technical direction.
• Design, build, and operate machine learning systems for candidate generation, ranking, personalization, product discovery, and recommendation optimization.
• Translate ambiguous product and business requirements into scalable solutions while balancing model quality, latency, reliability, scalability, and maintainability.
• Develop ML pipelines for feature engineering, training, evaluation, deployment, monitoring, and continuous model improvement.
• Bring models into production using the cloud-based stack and ensure reliable, observable, and maintainable systems.
• Raise engineering standards through design reviews, mentoring, knowledge sharing, and technical guidance.

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 ML systems, pipelines, or model-based products.
• Strong experience with recommender systems, ranking, personalization, or product discovery systems.
• Demonstrated technical leadership across architecture, engineering practices, and technical direction.
• Understanding of ML failure modes including data leakage, feedback loops, distribution shifts, and misleading offline metrics.
• Ability to make pragmatic system-level decisions and communicate complex technical trade-offs to technical and non-technical stakeholders.

Culture & Benefits

• Collaborative work with Data & AI, product, engineering, and business stakeholders.
• Urban Sports Club membership package.
• Anonymous, free mental health support from Likeminded.
• Individual work-from-home arrangements where applicable, including up to 20 EU-based days per year.
• Fully funded Deutschland Ticket.
• Support for individual development through internal and external training.