Staff Backend Engineer: AI-Powered Shopping & Recommendations

HelloFresh; Warszawa; On-site; PLN 300,000 - 540,000; Full time

Benefits offered by this job

Global collaboration

Impact at scale

Technical leadership

Workspace Warsaw Centre Point

Job summary

HelloFresh in Warsaw, part of HelloTech, is seeking a Staff Backend Product Engineer to join the Shopping AI & Search squad. You will shape architecture for AI-powered experiences across chatbot and app surfaces, leading technical decisions and mentoring engineers.

You’ll work with Go and AWS/Kubernetes, drive observability, and ensure scalable, low-latency systems that deliver relevant search and recommendations. Global teams rely on your leadership to raise the engineering bar.

Qualifications

• 8+ years of backend engineering experience in distributed systems.
• Experience integrating LLMs or AI services into production systems via APIs/SDKs.
• Strong architectural and mentoring skills.
• Excellent communication with senior stakeholders and distributed teams.

Responsibilities

• Lead the technical architecture for unified AI Assistant experiences across surfaces (chatbot and app).
• Own end-to-end technical decisions around integrating LLM-powered capabilities at scale.
• Act as the technical bridge between Shopping AI & Search squad, neighboring squads, and stakeholders.
• Define and drive engineering best practices for AI-powered systems, including observability, graceful degradation, and testing.
• Provide architectural reviews, design discussions, and mentoring to raise engineering standards across the tribe.
• Shape the technical roadmap by identifying bottlenecks early and proposing improvements.
• Leverage AI coding tools as standard practice and guide team adoption.

Skills

Distributed systems

Microservices

Go

Java/Kotlin

Python

TypeScript/Node.js

AWS

Kubernetes

LLM integration

Observability practices

Architecture leadership

Mentoring

Communication

Tools

Kafka

RabbitMQ

AWS SQS/SNS

Kubernetes

Go

Java/Kotlin

Python

TypeScript/Node.js

Job description

HelloFresh in Warsaw, part of HelloTech, is seeking a Staff Backend Product Engineer to join the Shopping AI & Search squad. You will shape architecture for AI-powered experiences across chatbot and app surfaces, leading technical decisions and mentoring engineers.

You’ll work with Go and AWS/Kubernetes, drive observability, and ensure scalable, low-latency systems that deliver relevant search and recommendations. Global teams rely on your leadership to raise the engineering bar.