React Native Developer

Samaha Consulting; Johannesburg; On-site; ZAR 600,000 - 900,000; Full time

Job summary

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

Qualifications

• 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.

Responsibilities

• 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.

Skills

React Native

Expo

TypeScript

iOS/Android apps

CI/CD

Agile/Scrum

UI from design systems

Git & code review

Tools

Dynatrace

Sentry

Splunk

Azure DevOps

App Store Connect

TestFlight

Google Play Console

Job description

Location : Sandton, JHB [ Work from office Mandatory 8 hours in office ]

Job Spec

This is a hands‑on engineering role focused on building, maintaining, securing, and supporting enterprise‑grade mobile applications across iOS and Android using React Native, Expo, TypeScript, and modern mobile delivery tooling. The role contributes to reliable mobile delivery by translating business and design requirements into high‑quality technical solutions, integrating with enterprise services, supporting CI/CD and release processes, and maintaining strong engineering discipline across code quality, testing, security, performance, accessibility, and production support.

ESSENTIAL TECHNICAL KNOWLEDGE

• 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.

DESIRABLE SKILLS

• Native iOS/Android experience with Swift/Kotlin or native module development is advantageous.
• Azure certifications such as AZ-900, AZ-204, or AZ-400 are advantageous.
• Experience in Digital / Online Banking channels and platforms is advantageous.
• Understanding of payments, foreign exchange, lending, and other transactional banking products is advantageous.