HelloFresh is looking for a Staff Engineer to join its Recipe Engagement Squad. You will contribute to the large-scale meal-kit and ready-to-eat platform, focusing on the delivery of high-scale systems that capture and surface customer feedback and engagement across multiple global brands.
What You'll Do
- Deliver high-scale Go microservices powering recipe ratings, favorites, and feedback systems using PostgreSQL, Redis, and Kafka.
- Design and extend GraphQL APIs within an Apollo Federation subgraph architecture for mobile and web client consumption.
- Execute GenAI strategies, including the prototyping and implementation of production-grade features such as personalization and advanced feedback analysis.
- Deliver service for end-to-end features, from initial RFC technical design to production rollout using multi-market feature flags.
- Ensure system reliability and observability through the implementation of monitoring via Grafana, Prometheus, and OpenTelemetry.
- Provide technical guidance and architectural evolution across the domain to mitigate long-term technical risks.
- Collaborate with primary stakeholders in mobile, web, and product design to refine project requirements and demonstrate deliverables.
- Lead technical initiatives and streamline delivery processes to reduce implementation churn and improve quality.
What We're Looking For
- Deep expertise in Go (Golang) and the design of high-traffic distributed systems.
- Proven experience operating microservices with large datasets using PostgreSQL, Redis, and Kafka.
- Technical proficiency in GraphQL schema design and federation patterns (Apollo).
- Practical experience in integrating production-grade GenAI features and using AI-assisted development tools.
- Advanced knowledge of distributed systems patterns, including cache-aside, outbox patterns, and event-driven architecture.
- Technical command of Kubernetes and AWS for containerized service operations.
- Experience with observability and tracing tools such as Prometheus, Grafana, Honeycomb, or Datadog.
- Expertise in agile delivery focused on DORA metrics and iterative software releases.
- Commitment to service quality, including thorough testing and technical peer reviews.
Technical Stack
- Go (Golang)
- PostgreSQL
- Redis
- Kafka
- GraphQL
- Apollo Federation
- Kubernetes
- AWS
- Grafana
- Prometheus
- OpenTelemetry
Team & Environment
You will work in the HelloTech organisation, HelloFresh’s global technology backbone with more than 1000 people. HelloTech works in autonomous, cross-functional alliances.
Benefits & Compensation
- Global collaboration at scale: Collaborate with experienced engineers and product partners across HelloTech’s international teams, in a culture of active knowledge sharing.
- Technology with real-world impact: Build and operate modern systems at global scale, supporting 6+ millions of customers and complex supply chain operations.
- Technical/Product/Design leadership: Drive best practices and influence architecture/design, quality, and ways of working in an autonomous, product-led setup.
- End-to-end development/delivery: Drive decisions from problem definition to production, improving systems and enabling long-term scalability.
- Access to workspace at Warsaw Centre Point: The hub offers modern facilities including showers, breakout zones, outdoor space, cycle parking, and refreshments (coffee, soft drinks, and fruit).
Work Mode
This is an onsite position located in Warsaw.
HelloFresh is an equal opportunity employer.
