Senior Mobile Developer

Samaha Consulting; Sandton; On-site; ZAR 900,000 - 1,300,000; Full time

Job summary

Samaha Consulting in Sandton, Johannesburg is seeking a senior mobile developer to lead React Native projects in the Banking domain.

You will build and maintain iOS/Android apps, integrate with REST APIs, and ensure security and performance within an enterprise environment. The role involves five days on-site, Agile delivery, and collaboration with cross-functional teams.

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

Skills

React Native

Expo ecosystem

TypeScript

iOS/Android apps

RESTful APIs integration

Azure DevOps CI/CD

App distribution (App Store Connect,

Error/Observability tooling (Dynatrace

Security & mobile performance

Agile/Scrum

AI-assisted development tools

Tools

Azure DevOps

App Store Connect / TestFlight / Google Play Console

Dynatrace / Sentry / Splunk

Job description

Location : Sandton, JHB (5 Days Work from Office)

Client: Banking Domain

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.