z.systems, a VC‑backed technology startup, is revolutionizing traditional retail across Africa by creating a full‑stack B2B2C digital ecosystem. As a Senior Mobile Developer – React Native, you will spearhead the development and continuous improvement of our mobile applications that serve both retailers and consumers. Your role will involve designing scalable, high‑performance apps for Android and iOS, integrating native modules, and ensuring seamless synchronization with backend services via REST and GraphQL APIs.
Key responsibilities include:
- Leading the end‑to‑end development lifecycle: architecture, coding, debugging, testing, CI/CD, and deployment.
- Implementing new features and enhancing existing flows while maintaining optimal performance across a wide range of devices and OS versions.
- Managing Expo EAS builds, multi‑environment configurations, OTA updates, and automated deployment pipelines.
- Ensuring smooth synchronization with backend services, maintaining high reliability and consistency.
- Collaborating closely with backend, product, and design teams to deliver user‑centric experiences.
- Handling performance profiling, memory optimization, and complex mobile issue resolution.
- Managing App Store and Play Store submissions, ensuring compliance and smooth release cycles.
We are looking for a candidate with:
- 3+ years of mobile development experience, with a strong focus on React Native.
- Proven track record of delivering production‑grade apps on both Android and iOS.
- Deep understanding of performance optimization, debugging, and native integrations.
- Strong ownership, autonomy, and meticulous attention to detail.
- Excellent communication skills and a product‑driven mindset.
The ideal candidate will thrive in a fast‑paced, collaborative environment, be comfortable working with cross‑functional teams, and be passionate about building innovative mobile solutions that transform the retail experience.
Recruitment process includes resume pre‑screening, an AI interview, and a technical and fit interview with the Zsystem team. Join us to shape the future of retail across Africa and beyond.
