Senior Mobile Engineer React Native – Platform/Monorepo Lead

HelloFresh; Województwo mazowieckie; On-site; PLN 240,000 - 360,000; Full time

Benefits offered by this job

Workspace at Warsaw Centre Point

Job summary

HelloFresh in Warsaw is seeking a Senior Mobile Engineer to evolve our mobile platform and move a white-labeled React Native app toward a scalable greenfield architecture. You will build strong technical foundations, contribute to shared tooling, and help a growing engineering organization ship reliable mobile software.

Our stack includes React Native, iOS (Swift), Android (Kotlin), monorepos, and CI/CD automation.

Qualifications

• Hands-on React Native and native mobile development.
• Experience with AI tooling in production.
• Strong knowledge of iOS/Android release processes.
• Experience managing monorepos and large engineering workflows.

Responsibilities

• Contribute to brownfield-to-greenfield migration of the React Native app.
• Support scaling of the React Native monorepo and shared npm packages.
• Improve CI/CD pipelines with Bitrise and evaluate Expo migration.
• Build and extend end-to-end test coverage with Maestro.
• Develop observability dashboards and tracing in Honeycomb.
• Collaborate across squads and review technical solutions.
• Investigate production issues to maintain reliability.
• Document design decisions and ADRs.

Skills

React Native

iOS Swift

Android Kotlin

AI tooling

Monorepo

CI/CD

Testing

Observability

Documentation

Cross-functional collaboration

Tools

Bitrise

Expo

Maestro

Honeycomb

Job description

HelloFresh in Warsaw is seeking a Senior Mobile Engineer to evolve our mobile platform and move a white-labeled React Native app toward a scalable greenfield architecture. You will build strong technical foundations, contribute to shared tooling, and help a growing engineering organization ship reliable mobile software.

Our stack includes React Native, iOS (Swift), Android (Kotlin), monorepos, and CI/CD automation.