Senior React Native Engineer — AI-Driven Mobile Architect

HelloFresh; Województwo mazowieckie; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Workspace in Warsaw

Global collaboration

AI-first engineering culture

Job summary

HelloFresh is seeking a senior React Native engineer in Warsaw to own pricing and plan surfaces across HelloTech brands. You will work with React Native and TypeScript, shipping updates to iOS and Android and collaborating with international teams in a modern tech stack.

In this role, you’ll drive mobile architecture, ensure price correctness across markets, and contribute to testing, observability, and rollout strategies. Join our AI-driven engineering culture in the HelloFresh Warsaw office.

Qualifications

• Senior-level software engineering experience with production React Native and TypeScript.
• Experience building modular architectures and API integrations (GraphQL/REST).
• Hands-on testing with unit, integration, and E2E testing tools (Jest, React Native Testing Library, Maestro).
• Experience applying AI tools to accelerate delivery and validate results.
• Ability to drive technical decisions and collaborate across product, design, and analytics.

Responsibilities

• End-to-End Ownership: lead feature delivery from design to rollout behind feature flags.
• Mobile Architecture: refine high-performance React Native surfaces across brands with focus on modularity and price accuracy.
• Full-Stack Fluency: work with React Native and TypeScript, interfacing with GraphQL/REST backends as needed.
• Quality & Observability: maintain tests and establish observability for revenue paths.
• Mentorship & Experimentation: guide mid-level engineers and run A/B tests across chapters.
• AI-First Delivery: leverage AI tools across design, coding, and testing with sound judgment.

Skills

React Native

TypeScript

Cross-brand architecture

A/B testing

CI/CD

AI-assisted workflow

Tools

GraphQL

REST

Jest

Maestro

OpenTelemetry

Job description

HelloFresh is seeking a senior React Native engineer in Warsaw to own pricing and plan surfaces across HelloTech brands. You will work with React Native and TypeScript, shipping updates to iOS and Android and collaborating with international teams in a modern tech stack.

In this role, you’ll drive mobile architecture, ensure price correctness across markets, and contribute to testing, observability, and rollout strategies. Join our AI-driven engineering culture in the HelloFresh Warsaw office.