Senior Mobile Engineer — Remote, Global Projects

Scrums; Johannesburg; On-site; ZAR 900,000 - 1,300,000; Full time

Job summary

Scrums.com in Johannesburg is seeking a Senior Mobile Engineer to build native Android and iOS apps for production users at scale. You will work on client projects ranging from consumer apps to internal tools, balancing native and cross‑platform approaches as needed.

You will join a network that connects African engineers with international clients, with long‑term engagements, onboarding support, and a focus on performance and quality.

Qualifications

• 5+ years of mobile development experience with production apps.
• Strong Kotlin or Swift skills, with one primary platform.
• Cross‑platform framework experience is a strong advantage.
• Understanding mobile patterns: lifecycle, background tasks, push, deep linking.
• Experience with mobile CI/CD: Fastlane, Bitrise, GitHub Actions.

Responsibilities

• Build and maintain mobile applications for Android and iOS.
• Implement cross‑platform solutions when appropriate.
• Integrate with RESTful APIs, GraphQL, and real‑time data sources.
• Handle offline‑first design, local storage, and sync logic.
• Manage app store submissions, releases, and OTA updates.
• Write automated tests and set up CI/CD workflows.

Skills

Kotlin

Swift

React Native

Flutter

REST APIs

GraphQL

CI/CD

Performance

Offline caching

Tools

Fastlane

Bitrise

GitHub Actions

Job description

Scrums.com in Johannesburg is seeking a Senior Mobile Engineer to build native Android and iOS apps for production users at scale. You will work on client projects ranging from consumer apps to internal tools, balancing native and cross‑platform approaches as needed.

You will join a network that connects African engineers with international clients, with long‑term engagements, onboarding support, and a focus on performance and quality.