Staff Backend Engineer

Responsibilities

• Design, build, and own robust, scalable infrastructure for live serving of ML models in production
• Act as the technical bridge between Data Science and Backend Engineering teams to translate DS needs into scalable engineering solutions
• Define and drive best practices for model serving, APIs, and system design across squads
• Lead cross-squad technical initiatives, from architecture decisions to hands-on implementation
• Partner with Data Scientists to ensure models are production-ready, performant, observable, and maintainable
• Contribute to tribe-wide engineering standards and shape the technical roadmap
• Mentor and support engineers across squads

Requirements

• 7+ years of backend engineering experience with a strong foundation in Python
• Proven experience building and operating ML model serving systems or ML platforms in production
• Deep understanding of distributed systems, APIs, and microservices architecture
• Strong track record of working across team boundaries to deliver complex, cross-functional projects
• Excellent communication skills to work fluently with Data Scientists, ML Engineers, and Data Engineers
• A collaborative, low-ego approach with strong technical judgment

Preferred Qualifications

• Experience with ML frameworks and serving tools
• Familiarity with feature stores, model registries, or MLOps tooling
• Background in e-commerce, subscription, or personalization domains

About the Company

HelloFresh is a global digital-native FMCG company and the world's leading mealkit provider. We are transforming the traditional food supply chain through a data-driven, on-demand model that enables scalable and more sustainable food delivery. Through technology, data, and culinary innovation, we deliver personalized food experiences to millions of households worldwide.