Senior React Native Engineer - AI-Driven Mobile Architect

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

Benefits offered by this job

Global collaboration

Impact at scale

Leadership opportunities

Workspace in Warsaw

Job summary

HelloFresh in Warsaw invites a senior React Native engineer to join HelloTech, building mobile experiences that power our global brands. You will own mobile architecture, ship features across iOS and Android, and mentor mid-level engineers in a fast-paced, AI-driven environment.

This role emphasizes end-to-end ownership, high-quality testing, observability, and collaboration with product and analytics to drive measurable impact at scale in a multinational setup.

Qualifications

• Senior-level software engineering experience with production React Native, TypeScript, and modern React.
• Strong architecture & systems thinking for large-scale shared codebases.
• Hands-on testing (unit/integration/E2E) and CI/CD release hygiene.

Responsibilities

• End-to-End Ownership: deliver features from design to rollout with feature flags and measurement.
• Mobile Architecture: refine React Native surfaces across brands with modularity and price accuracy.
• Full-Stack Fluency: work with React Native, TypeScript, GraphQL APIs and backend pricing data.
• Quality & Observability: maintain high test coverage and implement observability for revenue paths.
• Mentorship & Experimentation: review code, mentor engineers, run A/B tests.
• AI-First Delivery: leverage AI tools across design, coding and testing with sound judgment.

Skills

React Native

TypeScript

Modern React

CI/CD

Testing (Jest)

Observability

Tools

GraphQL

Job description

HelloFresh in Warsaw invites a senior React Native engineer to join HelloTech, building mobile experiences that power our global brands. You will own mobile architecture, ship features across iOS and Android, and mentor mid-level engineers in a fast-paced, AI-driven environment.

This role emphasizes end-to-end ownership, high-quality testing, observability, and collaboration with product and analytics to drive measurable impact at scale in a multinational setup.