Intermediate Mobile Developer (Kotlin)

AES Global; Cape Town; On-site; ZAR 420,000 - 640,000; Full time

Job summary

AES Global in Cape Town seeks an Intermediate Mobile Developer to design and build robust mobile applications using Kotlin. You will work with experienced engineers and contribute to scalable solutions in a mentoring environment.

The role focuses on Kotlin, Kotlin Multiplatform, and improving legacy React Native code, with an agile workflow and CI/CD processes.

Qualifications

• 3+ years of mobile development experience with Kotlin.
• Solid understanding of mobile architecture, design patterns and performance best practices.
• A relevant degree.
• Ability to share a GitHub profile with your application.

Responsibilities

• Design and develop mobile applications following Clean Architecture.
• Write high-quality Kotlin code with best practices.
• Build shared code using Kotlin Multiplatform for cross-platform reuse.
• Debug and refactor legacy React Native code to improve performance.
• Work in an agile environment with CI/CD.
• Participate in code reviews and architectural decisions.

Skills

Kotlin

Mobile development

GitHub profile

Mobile architecture

Education

Relevant degree

Tools

Kotlin Multiplatform

React Native

Job description

We’re working with an established software company, and they’re looking for an Intermediate Mobile Developer to build high-quality, robust mobile applications.

In this hands-on role you’ll work alongside experienced engineers, building scalable solutions using modern architecture patterns. It suits someone who writes clean, maintainable code and wants to grow in a mentoring environment. The technical focus is Kotlin.

What you’ll do

• Design and develop mobile applications following Clean Architecture principles
• Write high-quality Kotlin code with a deep understanding of the language and best practices
• Build shared code using Kotlin Multiplatform (KMP) to maximise reusability across platforms
• Debug and refactor legacy React Native code to improve performance and maintainability
• Work in an agile environment with continuous integration and delivery
• Take part in code reviews, contribute to architectural decisions and improve development practices

What you’ll bring

• 3+ years’ mobile development experience, with a strong focus on Kotlin
• A solid understanding of mobile architecture, design patterns and performance best practices
• A relevant degree
• The ability to share a GitHub profile with your application

Advantageous

• Knowledge of Swift or React Native

Working model

In office, based in Cape Town (hybrid may be considered once you’re established).