z.systems is a fast‑growing, VC‑backed technology company that is revolutionizing traditional retail across Africa through a full‑stack B2B2C digital ecosystem. The company connects brands directly to independent grocery retailers via its Z marketplace, enabling real‑time product availability, dynamic pricing, and in‑store visibility. It also drives consumer engagement through dynamic promotions, gamified loyalty programs, and buy‑now‑pay‑later features, creating a modern trade experience in informal retail settings.

As a Senior Mobile Developer – React Native, you will spearhead the development and continuous improvement of our cross‑platform mobile applications for Android and iOS. Your responsibilities include:

• Leading the design, implementation, and maintenance of high‑performance mobile apps using React Native, TypeScript, and Expo.
• Implementing new features, enhancing existing flows, and ensuring seamless performance across a wide range of devices and OS versions.
• Managing the full mobile lifecycle: development, debugging, testing, CI/CD pipelines, and store releases.
• Handling Expo EAS builds, multi‑environment configurations, OTA updates, and automated deployment pipelines.
• Ensuring smooth synchronization with backend services (REST/GraphQL) and maintaining high reliability and consistency.
• Collaborating closely with backend, product, and design teams to deliver user‑centric experiences.
• Working on performance profiling, memory optimization, and solving complex mobile issues.
• Managing 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 track record of 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.

The recruitment process includes resume pre‑screening, an AI interview, and a technical and fit interview with the Zsystem team.