z.systems, a fast‑growing VC‑backed tech company, is revolutionizing traditional retail across Africa by building a full‑stack B2B2C digital ecosystem. The company connects independent grocery stores to brands and consumers through a dynamic marketplace, loyalty engine, and buy‑now‑pay‑later features. With over 20,000 retailers onboarded and 900,000 orders delivered, z.systems is shaping the future of retail in informal markets.

We are looking for a Senior Mobile Developer – React Native to lead the development and optimization of our cross‑platform mobile applications across Android and iOS. The ideal candidate will have a proven track record of delivering production‑grade apps on both platforms, strong expertise in React Native, and a passion for performance optimization, debugging, and native integrations.

Key Responsibilities

• Lead the development and maintenance of cross‑platform mobile applications using React Native (Android & iOS).
• Implement new features, improve existing flows, and ensure seamless performance across a wide range of devices and OS versions.
• Manage the full mobile lifecycle: development, debugging, testing, CI/CD, and store releases.
• Handle Expo EAS builds, multi‑environment configurations, OTA updates, and automated deployment pipelines.
• Ensure smooth synchronization with backend services (REST/GraphQL), maintaining high reliability and consistency.
• Collaborate closely with backend, product, and design teams to deliver user‑centric experiences.
• Work on performance profiling, memory optimization, and solving complex mobile issues.
• Manage App Store and Play Store submissions, ensuring compliance and smooth release cycles.

Qualifications

• 3+ years of experience in mobile development, with strong expertise in React Native.
• Proven experience delivering production‑grade apps on both Android and iOS.
• Solid understanding of performance optimization, debugging, and native integrations.
• Strong ownership, autonomy, and attention to detail.
• Excellent communication skills and a product‑driven mindset.

Core Skills

• React Native (Android & iOS)
• TypeScript
• Expo & EAS Build
• Native Modules (Android/iOS)
• Android Studio & Xcode
• OTA updates
• Firebase
• REST / GraphQL APIs
• CI/CD pipelines
• Google Play Store & Apple App Store publishing

Experience

6 – 9 years of relevant experience in mobile development, with a focus on cross‑platform solutions.

Education

BAC +5 (Master’s level or equivalent).

Contract

Full‑time CDI with hybrid working arrangement (office and remote).

Location

Casablanca, Morocco.

How to Apply

Submit your application through the Jobzyn platform. The recruitment process includes resume pre‑screening, an AI interview, and a technical and fit interview with the Zsystem team.

Join z.systems and help transform retail across Africa with cutting‑edge technology and a passionate team.