Senior Mobile Product Engineer, Menu Discovery

HelloFresh; Województwo mazowieckie; On-site; PLN 210,000 - 320,000; Full time

Benefits offered by this job

Global collaboration

Impactful technology

Leadership in product/design

End-to-end development

Warsaw workspace access

Job summary

HelloFresh’s HelloTech Warsaw team is seeking a Product Engineer to own the Recipe feature set for the mobile apps. You will work on the React Native stack, leveraging TypeScript, and collaborate with international teams to deliver data-driven, scalable customer experiences across brands and markets.

You’ll move features from concept to production, measuring impact with analytics and AB tests, while ensuring performance and reliability for millions of users.)

Qualifications

• Hands-on experience with AI tooling (Claude Code, Cursor, Copilot) and using AI agents daily.
• Deep expertise in React Native and TypeScript for high-traffic mobile apps.
• Extensive mobile engineering experience: release cycles, test automation, on-device performance, UX conventions.
• Strong ownership: bias to ship and finish the last 20%.
• Clear product sense with data-driven decision making.

Responsibilities

• Own the app experience metrics (retention, crash-free sessions, conversion).
• Collaborate beyond your silo when needed; your focus anchors the work without limits.
• Instrument, monitor, and improve production systems; shipping starts the learning cycle.

Skills

AI tooling

React Native

TypeScript

Mobile engineering

Ownership

Product sense

Job description

HelloFresh’s HelloTech Warsaw team is seeking a Product Engineer to own the Recipe feature set for the mobile apps. You will work on the React Native stack, leveraging TypeScript, and collaborate with international teams to deliver data-driven, scalable customer experiences across brands and markets.

You’ll move features from concept to production, measuring impact with analytics and AB tests, while ensuring performance and reliability for millions of users.)