Mobile Developer

OneCart is looking to hire a Mobile Developer to use a wide range of mobile and web technologies and component libraries to build systems, new features and smart interactions on our mobile platforms, providing our customers with industry leading user experiences. The primary focus will be the hands-on development of React Native applications and their integration with back-end services and working alongside other engineers on different layers of the infrastructure. Technical Requirements Design and build applications for our React Native platforms. To make independent and creative technical contributions relating to developing, testing, debugging, maintaining, and documenting components and applications. To program well-designed, testable, efficient code that follows specified design patterns and architecture. Develop and design documentation to satisfy requirements and solution objectives. Optimising performance for both Android and Apple apps Diagnose and fix bugs and performance issues Maintain and ensure high-quality code Distribute apps to QA/UAT teams and assist in user acceptance testing as needed Occasionally work with business stakeholders to translate business requirements into technical specifications Deploy and maintain the apps on the App Stores Integrate designs and wireframes within the application code Monitor user interactions and convert them into insightful information Write application interface code Optimise components to work seamlessly across different devices Ensure proper user information authentication Develop a flexible and well-structured front-end architecture, along with the APIs to support it Production and technical support of the mobile apps upon launch Keep up to date on the latest industry trends in mobile technologies. Non-Technical Requirements Constant interaction with other developer teams and design teams to discuss UI ideas A thorough review of applications needs and interfacing elements Follow proper documentation for changes in application and further updates Work and collaborate with the rest of the engineering team Work with product team and graphic designers Effective teamwork and Self Management Maintain a positive attitude Take ownership of driving your career development (skills and knowledge) Plan and prioritise, demonstrating abilities to manage competing demands to achieve agreed deliverables Communicate effectively, maintain relationships Follow any lawful and reasonable instruction from your line manager Act as part of the Development team by assisting other members of the team to achieve common goals Consistently live and be an example of the Company values Timely reporting of all instances of suspected or proven fraud via the appropriate reporting channel Adherence to the company policies and associated company policies and procedures Must have Skills Developing applications in React Native, including component design and state management for specific use cases Basic front-end JavaScript/TypeScript experience Developing REST APIs General understanding of infrastructure as code and CI/CD pipelines and the willingness to learn more Strong math skills and excellent working knowledge of debugging tools Competence in writing crisp, easy-to-maintain codes by following the best coding practices. Openness to learning up-and-coming tools and processes Ability to work in a fast-paced and collaborative agile environment Minimum Academic, Professional Qualifications & Experience required for this position Preferred diploma/degree in Computer Science, Information Technology or similar. 3 years of experience in development Proficiency with React Native, React, and Typescript. Experience creating React Native mobile solutions. Familiarity with push notifications and cloud messaging application programming interfaces. Experience of working with XML/JSON data models and integration with REST APIs A thorough understanding of React Native and its core principles. Proven track record building and releasing new products from conception to production

Location: Sandton, Gauteng, ZA

Posted Date: 9/6/2025