Senior Backend Engineer, Marketing Customer Profile

At HelloFresh, the goal is to change the way people eat forever by offering customers high-quality food and recipes for different meal occasions. Over the past 10 years, this mission has spread around the world and beyond the wildest dreams. Now, a global food solutions group and the world's leading meal kit company, active in 18 countries across 3 continents. Weekly boxes full of exciting recipes and fresh ingredients have blossomed into a community of customers looking for delicious, healthy, and sustainable options. The HelloFresh Group includes the core brand, HelloFresh, as well as: Green Chef, EveryPlate, Chefs Plate, Factor_, and Youfoodz.

Work with HelloFresh in Warsaw and its HelloTech organisation, HelloFresh’s global technology backbone with more than 1000 people, building the digital products that power the end-to-end food experience. From meal kits and ready-to-eat meals to specialty offerings like pet food and premium meat & seafood, HelloTech creates the platforms that bring tailored food solutions to millions of customers every month.The subscription-based, direct-to-consumer model relies on technology at every step, from customer-facing apps and personalization logic to pricing, forecasting, supply chain optimization, and initiatives that help reduce food waste. HelloTech works in autonomous, cross-functional alliances, each having accountability for a specific product or domain end to end. By working with the Warsaw office, the service provider will help shape scalable, data-driven products used across markets, working with a modern tech stack and international teams.

About the role: What's in the Box

The service provider will engage with a cross-functional team responsible for how HelloFresh communicates with customers at scale. The team builds backend-driven, AI-powered systems that automate campaign execution end-to-end—from configuration and content generation to validation and orchestration across channels such as email, SMS, and push. Working with large-scale data and machine-learning–driven decisioning, this role helps design and operate reliable, scalable services that reduce manual effort while improving speed, consistency, and customer relevance. This role does not include people management responsibilities.

What you’ll do: The Recipe

• Collaborate within an autonomous, cross-functional agile team of 6–10 people, working with Product Leads, Frontend Engineers, Data Engineers, and Business Intelligence teams to deliver impactful solutions.

• Maintain accountability for the architecture, design, development, deployment, and operations of microservices, autonomously driving complex business challenges from conception to resolution.

• Build and maintain robust event-driven systems using state-of-the-art technologies.

• Leverage modern AI tools and DevOps practices to enhance productivity, utilizing methodologies like vibe coding and pair programming.

• Provide technical guidance and support to colleagues by sharing practical knowledge and trends, fostering a collaborative environment.

• Advocate for best engineering practices, including CI/CD, TDD, and Design Patterns.

What you’ll bring: The Ingredients

• Expertise in Python development, covering the full lifecycle from unit, integration, and functional testing to application tuning, profiling, and continuous integration.

• Solid background in event-driven microservices architecture, utilizing tools such as RabbitMQ or Kafka.

• Proficiency with data storage, including relational databases like PostgreSQL and object stores like AWS S3.

• Strong agile mindset, with a focus on lean thinking, quick iterations, and continuous delivery.

• Ability to utilize monitoring solutions like Prometheus, Grafana, or Datadog to ensure system health.

• Experience integrating external systems, such as third-party vendors, APIs, marketing platforms, or messaging services.

• Curiosity and drive, seeking to continuously develop technical skills and act as an ambassador for AI mentality within the team.

Above all, we are looking for people who will make HelloFresh better. We believe there are many different ways of developing skills, and we love diverse experiences! So even if you don’t “tick all the boxes” but think you’d thrive in this role, we would really like to learn more about you.

What we offer: The Toppings

• Global collaboration at scale: Collaborate with experienced engineers and product partners across HelloTech’s international teams.

• Technology with real-world impact: Build and operate modern systems at global scale, supporting 6+ millions of customers and complex supply chain operations.

• Technical leadership: Drive best practices and influence architecture, design, and quality in an autonomous, product-led setup.

• End-to-end development/delivery: Drive decisions from problem definition to production, enabling long-term scalability.

• Access to workspace at Warsaw Centre Point: Facilities include breakout zones, outdoor space, cycle parking, and refreshments (coffee, soft drinks, and fruit).

Are you the missing ingredient? If this sounds like a tasty opportunity, we’d be excited to hear from you. We aim to review your profile and respond within 5 business days.#Engineering