Staff Backend Engineer, Active Journey Alliance (m/f/d)

Join our R&D Tech Hub in Warsaw

HelloFresh Group, the world’s leading integrated food solutions provider, is expanding with a new R&D Tech office in Poland. With brands offering meal kits, ready-to-eat meals, and specialty products such as meat, seafood, and pet food, we are seeking individuals who are ready to make an impact from day one. Joining us in Warsaw means shaping the culture, working on meaningful R&D Tech projects, and contributing to a global company changing how people eat.

Working at HelloFresh

At HelloFresh Group, we are driven by a high-performance culture that values speed, agility, and continuous learning. We believe in hands-on contribution and fostering a truly collaborative, egoless environment where every team member contributes to our mission of changing the way people eat, forever and welcome team players who thrive in a dynamic environment, lead with ownership, and bring diverse perspectives to the table.

Our teams thrive on in-person collaboration, with an expectation to work from the office four days a week. This approach creates a dynamic space where ideas flourish, decisions are made efficiently, and our collective impact is accelerated. It's how we stay closely connected to our shared goals and drive swift execution.

The Role

As a Staff Backend Engineer, you will drive the technical vision and execution for the intelligent systems that power personalized experiences across our global brands. You’ll be part of a team that owns the platform layer that delivers tailored recommendations, dynamic content, and individualized customer journeys at scale. As we prepare to scale our menu by 10x and more, you will build the backbone for hyper-personalization, as well as design and deploy the personalization models and services that drive engagement across our global customer base. You will serve as a technical leader and mentor, fostering engineering excellence while collaborating with senior stakeholders to align our technical strategy with business objectives.

What you'll do

• Lead the architecture, design, and technical strategy for complex microservices systems, establishing patterns and best practices across multiple teams
• Drive technical decision-making and architectural reviews, ensuring scalability, reliability, and maintainability of platform systems
• Mentor and coach engineers across the organization, fostering technical growth and promoting engineering excellence
• Lead critical technical initiatives and cross-team projects, collaborating with engineering leadership and cross-functional partners to align technical strategy with business objectives

What you'll bring

• 8+ years of backend engineering experience with deep expertise in microservices and distributed event-driven architectural patterns
• Expert-level proficiency in Go, PHP, and/or JVM languages
• Proven track record of leading large-scale technical projects and driving architectural decisions in complex distributed systems
• Advanced experience with Docker, Kubernetes, and cloud-native architectures, including production operations at scale
• Extensive experience building event-driven architectures using message bus technologies (Kafka, RabbitMQ, SQS/SNS, etc.)
• Deep expertise with database technologies (relational and NoSQL), including performance optimization, schema design, and operational best practices
• Demonstrated ability to mentor engineers and drive technical standards across teams
• Excellent communication and collaboration skills, with experience working with senior stakeholders and distributed teams
• GraphQL experience for client-backend integration is a plus

What we offer

• Health - You’re covered from your first day with private health insurance
• Hybrid Working Schedule - We work in-office 4 days a week to align on goals, with flexible hours to support work-life balance and personal needs
• Holidays - You receive 26 days of paid vacation each year, providing you time to rest and recharge
• Learning and Development - An annual Learning & Development budget and a Mentoring Program to support your ongoing professional growth
• Employee Referral Program - Our team members can participate in our internal employee referral program and receive a bonus for recommending successful candidates to open roles
• Daily Comforts - Free coffee, drinks, and fresh fruit are available to keep you refreshed throughout the day

If you are passionate about making a tangible impact and thrive in a fast-paced environment where your work directly contributes to a global purpose, we encourage you to apply – even if your experience doesn't tick every single box, we believe there are many ways to develop skills and grow with us.

#Engineering