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[TECH] Staff Backend Engineer [CONSUMER]

Warszawa, Masovian Voivodeship, Poland💼 Full-time🗓 2026-09-03 → 2026-09-26

Core

Lead technical architecture for unified AI Assistant experiences including conversational search, personalized search, and proactive in-app recommendations within HelloFresh's shopping journey.

Role type

Staff Backend Engineer (AI Systems & Search)

Builds

Unified AI Assistant experiences, conversational search, personalized recommendations

Domain

Consumer food delivery, AI-powered search and recommendation systems

Deliverable

production ML models | product features

Required skills

Distributed systems, microservices, event-driven architecture, Go, LLM integration, cloud infrastructure, observability, technical leadership, AI coding tools

Preferred skills

Search or recommendation systems experience

Technologies

Kafka, RabbitMQ, AWS SQS/SNS, Go, AWS, Kubernetes, Claude, Cursor

Responsibilities

Lead technical architecture for AI Assistant experiences, own end-to-end technical decisions for LLM integration, act as technical bridge between squads, define engineering best practices for probabilistic systems, provide technical leadership and mentoring, shape technical roadmap

Seniority

Staff, hands-on IC with strategic influence

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