Senior RN Engineer – Enterprise Mobile (On-site Sandton)

Samaha Consulting; Johannesburg; Presencial; ZAR 600.000 - 900.000; Jornada completa

Descripción de la vacante

Samaha Consulting in Johannesburg is seeking a hands‑on mobile engineer to build, maintain, secure, and support enterprise mobile apps using React Native, Expo, and TypeScript. You will translate requirements into high‑quality solutions, integrate with enterprise services, and support CI/CD and production release processes.

You will contribute to code quality, testing, security, performance, accessibility, and production support, while collaborating with backend teams and UI designers to deliver

Formación

• Strong React Native, Expo ecosystem, and TypeScript experience.
• Experience building and maintaining iOS and Android apps in enterprise environments.
• Experience using error and analytics tools like Dynatrace/Sentry/Splunk.
• Strong understanding of monorepos, shared packages, dependency management, and mobile workspace tooling.
• Experience with Azure DevOps 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, TestFlight, Google Play Console, and internal distribution channels.
• 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.

Responsabilidades

• Translate business and design requirements into robust React Native solutions.
• Maintain and secure enterprise mobile apps across iOS and Android.
• Support CI/CD, release processes, and production support.
• Collaborate with enterprise services and backend teams.
• Maintain code quality, testing, security, and performance standards.

Conocimientos

React Native

Expo

TypeScript

iOS/Android apps

CI/CD

Agile/Scrum

UI from design systems

Git & code review

Herramientas

Dynatrace

Sentry

Splunk

Azure DevOps

App Store Connect

TestFlight

Google Play Console

Descripción del empleo

Samaha Consulting in Johannesburg is seeking a hands‑on mobile engineer to build, maintain, secure, and support enterprise mobile apps using React Native, Expo, and TypeScript. You will translate requirements into high‑quality solutions, integrate with enterprise services, and support CI/CD and production release processes.

You will contribute to code quality, testing, security, performance, accessibility, and production support, while collaborating with backend teams and UI designers to deliver