Staff Frontend Engineer — Lead Scalable, AI-Driven UIs

HelloFresh; Warszawa; On-site; PLN 260,000 - 380,000; Full time

Benefits offered by this job

Global collaboration

Global scale

Leadership culture

End-to-end delivery

Workspace in Warsaw

Job summary

HelloFresh, a global digital-native FMCG company and the world’s leading meal-kit provider, seeks a Staff Frontend Engineer in Warsaw to anchor customer-facing surfaces and translate ambiguous challenges into strong technical viewpoints. You will own frontend architecture, drive improvements in conversion and retention, and mentor squads while collaborating with product, design, and analytics.

You’ll champion AI tooling and maintain a fast, reliable frontend stack for millions of users.

Qualifications

• Strong proficiency in React Native, React and TypeScript with attention to web performance and distributed frontend architectures.
• Experience shipping customer-facing features with measurable impact on conversion/retention.
• Familiarity with AI coding tools and agent-based workflows; ability to set quality guardrails for AI-generated code.
• Solid product mindset and willingness to own problems end-to-end with data-driven decisions.

Responsibilities

• Lead customer-facing surfaces, driving improvements in conversion, activation, and retention.
• Own customer problems end-to-end: frame problems, craft technical POV, validate with data and insights.
• Work full-stack when needed to deliver cohesive solutions.
• Instrument, monitor, and improve frontend performance and reliability in production.
• Set architecture direction for frontend platform and balance user impact with engineering complexity.

Skills

React Native

React

TypeScript

AI tooling

Frontend architecture

Product mindset

Job description

HelloFresh, a global digital-native FMCG company and the world’s leading meal-kit provider, seeks a Staff Frontend Engineer in Warsaw to anchor customer-facing surfaces and translate ambiguous challenges into strong technical viewpoints. You will own frontend architecture, drive improvements in conversion and retention, and mentor squads while collaborating with product, design, and analytics.

You’ll champion AI tooling and maintain a fast, reliable frontend stack for millions of users.