Staff Engineer

Nasze wymagania: 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. Zakres obowiązków: Delivery of high-scale Go microservices powering recipe ratings, favorites, and feedback systems using PostgreSQL, Redis, and Kafka. Design and extension of GraphQL APIs within an Apollo Federation subgraph architecture for mobile and web client consumption. Execution of GenAI strategies, including the prototyping and implementation of production-grade features such as personalization and advanced feedback analysis. Service delivery for end-to-end features, from initial RFC technical design to production rollout using multi-market feature flags. Ensuring system reliability and observability through the implementation of monitoring via Grafana, Prometheus, and OpenTelemetry. Provision of technical guidance and architectural evolution across the domain to mitigate long-term technical risks. Collaboration with primary stakeholders in mobile, web, and product design to refine project requirements and demonstrate deliverables. Leading technical initiatives and streamlining delivery processes to reduce implementation churn and improve quality. Oferujemy: 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).