Staff Backend Engineer, Plans Squad (f/m/x)

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 our 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. Our 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. While our brands operate independently to serve distinct customer needs, they are united by shared platforms, data, and operational excellence built by HelloTech. HelloTech works in autonomous, cross-functional alliances, each owning a specific product or domain end to end. By working with our Warsaw office, you will help shape scalable, data-driven products used across our markets, working with a modern tech stack and international teams to continuously improve how people discover, order, and enjoy HelloFresh’s products, today and in the future. About the role: What's in the Box The service provider will join the Consumer Mega Alliance, Consumer Core Tribe as a member of the Plans squad. As a Staff Backend Engineer, you’ll play a defining and strategic role in shaping the backbone of the mission-critical Customer Plans Domain which is currently undergoing a strategic evolution, ensuring reliability and consistency for millions of users. The focus is not just on maintenance, but on re-architecting how millions of customers interact with the product. Tasks include providing technical leadership, fostering engineering excellence, and collaborating with senior stakeholders to align technical strategy with business objectives. At HelloTech, flexibility and cross-functional collaboration are core to how we work. While this role is aligned to a specific Alliance, strong candidates may also be considered for opportunities across different teams or projects. What you’ll do: The Recipe Work on 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 Plans domain. Your responsibilities will include conducting analysis, documenting detailed specifications, and ensuring that all defined requirements are traceable, verifiable, and align with the overall strategic goals and technical architecture. Lead critical technical initiatives and cross-team projects, collaborating with technical leadership and cross-functional partners to align technical strategy with business objectives. Drive the adoption of AI-powered tools and methodologies within the team to significantly accelerate development cycles and enhance output quality and efficiency. Mentor engineers, fostering a culture of precision, operational excellence thinking, and high-quality engineering in a high-paced environment. What you’ll bring: The Ingredients 8+ years of backend engineering experience with deep expertise in microservices and distributed event-driven architectural patterns Expert-level proficiency in Go or JVM languages Proven track record in taking architectural decisions about the development and maintenance of large-scale distributed systems and integrations with applications and user interfaces 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 techn