Mobile Developer; PB Tech - Digital

Overview

Investec Sandton is looking for a highly skilled Front-End React Native Mobile Developer to collaborate with a team of developers and UX designers to develop and maintain an app. You will be working on the design and the development of services from the ground up.

We are looking for a mobile engineer who can work confidently across React Native, Expo, Type Script, enterprise CI/CD, mobile distribution, and production support. The ideal candidate uses AI tools intelligently to accelerate delivery, but still demonstrates strong fundamentals, ownership, security awareness, and accountability for the software they deliver. As a React Native Developer in our team you will implement new app features, maintain, enhance, and support our existing suite of apps while providing support and assistance to the business as a technology subject matter expert.

• Strong React Native, Expo ecosystem, and Type Script experience.
• Experience building and maintaining iOS and Android apps in enterprise environments.
• Strong understanding of monorepos, shared packages, dependency management, and mobile workspace tooling.
• Experience with Azure Dev Ops CI/CD, including YAML pipelines, secure files/secrets, automated builds, testing, signing, and release approvals.
• Practical experience building, signing, distributing, and supporting mobile apps through App Store Connect, Test Flight, Google Play Console, and internal distribution channels.
• Strong JavaScript and React fundamentals, including modern state management and navigation patterns.
• Experience integrating with RESTful APIs, authentication flows, secure storage, and enterprise backend services.
• Good understanding of mobile security, performance, accessibility, observability, and production support.
• Experience with automated testing, TDD/BDD practices, and mobile quality gates.
• Ability to implement polished UI from Figma, wireframes, and design systems.
• Strong Git, code review, Agile/Scrum, and engineering delivery discipline.
• Comfortable using AI-assisted development tools such as Codex, Cursor, Copilot, or ChatGPT to improve productivity while maintaining accountability, code quality, and sound engineering judgement.
• Native iOS/Android experience with Swift/Kotlin or native module development is advantageous.
• Azure certifications such as AZ-900, AI-901, AI-200 are advantageous.