Senior React Native Mobile App Engineer

About the role

OneDayOnly is looking for a senior engineer to own the development of its flagship daily‑deals mobile application. You will work across React Native, iOS (Swift/SwiftUI) and Android (Kotlin) to deliver fast, reliable, and delightful experiences for millions of shoppers.

Key responsibilities

• Design, develop and ship high‑quality features for React Native, iOS and Android platforms.
• Take end‑to‑end ownership of features from technical design through production release.
• Write clean, well‑tested, maintainable code that follows the company’s engineering standards.
• Identify and resolve performance bottlenecks in startup, rendering and network layers.
• Maintain and improve mobile CI/CD pipelines and manage App Store & Google Play submissions.
• Implement robust API integrations and collaborate with backend engineers on mobile‑facing APIs.
• Translate design specifications into pixel‑perfect UI and contribute to the shared design system.

Required profile

• Obsessive about app performance and visual fidelity.
• Enjoys mentoring teammates and conducting thorough code reviews.
• Strong problem‑solver who can tackle complex integration and optimisation challenges.
• Committed to delivering releases that run smoothly without issues.

Required skills

• React Native
• Swift and SwiftUI
• Kotlin
• iOS and Android development
• CI/CD pipelines for mobile
• API integration
• Mobile DevOps (App Store & Google Play)
• Design systems and component libraries