Intermediate Mobile Developer (iOS)

Platform45; South Africa; On-site; ZAR 600,000 - 1,000,000; Full time

Job summary

Platform45 is seeking a HIGH INTERMEDIATE iOS ENGINEER to join our Operations & Delivery team. You will own end-to-end iOS feature delivery, collaborate with product, design, and QA, and drive quality through code reviews and testing.

The role emphasizes autonomy, learning, and building scalable mobile solutions for clients. You will work with Swift, Objective-C, SwiftUI, and modern iOS tooling, while applying MVVM or VIPER patterns and CI/CD practices.

Qualifications

• Bachelor’s degree in Computer Science, Software Engineering, or a related field, or proven self-taught development skills.
• 4–6 years of work experience developing iOS applications with a proven track record of delivering apps to the App Store.
• Strong proficiency in Swift and Objective-C programming languages.
• Deep knowledge of the iOS SDK, Xcode, and Apple’s Human Interface Guidelines.
• Experience with SwiftUI, Combine, and Swift Concurrency (async/await).
• Strong experience integrating RESTful APIs into mobile applications, including authentication flows and handling network states.
• Strong understanding of Git and collaborative development workflows.
• Experience with Core Data, Core Animation, Core Location, etc.
• Experience with performance optimization, memory management, and debugging iOS applications.
• Experience with automated testing, CI/CD, and deployment tooling for iOS applications.
• Experience with app deployment to the Apple App Store and managing releases.
• Strong understanding of mobile architecture patterns (MVVM, VIPER) and design principles (SOLID, DRY).
• Having experience working within a high-growth tech startup is advantageous.
• Have brilliant problem-solving abilities that take product design, process, and technical aspects into account.
• Have the ability to clearly articulate solutions for a technical and non-technical audience.

Responsibilities

• Independently develop, test, enhance, and maintain iOS applications and solutions to a high standard, taking ownership of features and modules from design through to release.
• Contribute to the design of scalable and efficient software architecture alongside senior engineers, and make sound design decisions within your areas of ownership.
• Build and implement new features while maintaining and enhancing the existing functionality of iOS apps.
• Integrate RESTful APIs and work closely with the backend team to ensure seamless communication between the app and server.
• Conduct and participate in code reviews, upholding code quality, performance, and adherence to coding standards.
• Independently troubleshoot, identify, and resolve complex issues related to app performance, bugs, and compatibility across devices.
• Create and maintain technical documentation including design documents, specifications, and user manuals.
• Work closely with cross-functional teams including product managers, designers, and QA engineers to deliver high-quality software solutions.
• Stay updated on emerging technologies and industry trends, and contribute to process improvements and innovation initiatives within the organisation.
• Own the delivery of your features and tasks end-to-end — managing timelines effectively and proactively communicating progress, risks, and challenges to stakeholders.
• Support and mentor junior developers, sharing knowledge and guiding them on best practices, coding standards, and problem-solving.

Skills

Swift

Objective-C

iOS development

RESTful APIs

Problem-solving

Communication

Education

Bachelor’s degree in Computer Science / Software Engineering or related field

Tools

Xcode

Git

SwiftUI

Combine

Swift Concurrency

Core Data

Core Animation

Core Location

MVVM

VIPER

Job description

HIGH INTERMEDIATE iOS ENGINEER

Department: Operations & Delivery

Reports to: Technical Lead

WHO PLATFORM45 IS

We are responsible for code changing the lives of people around the world, every day. We solve complex problems and build big ideas. And we don’t stop. We believe in the ability of technology to make the world a better place; we’re driven to rip through conformity and create new solutions, smarter habits. We know why we’re here: To unleash the potential of people through the power of technology. We are people multiplied by the power of tech and together we are changing the world.

CONTEXT | THE ROLE

Being a developer is not just about the ‘code’. At Platform45, our developers are all-rounders who can write exceptional, well-designed, and testable code but also collaborate effectively within their team and with others. Over and above the technical know-how, you’ll need good verbal and written skills as you build up relationships with our clients. At Platform45, we treat our clients like partners - they’re an important part of the team and we strive to work together to build something beautiful. As a developer operating at a high-intermediate level, you’ll work with growing autonomy and take ownership of your work, while continuing to learn - whether that means new language features, keeping ahead of industry trends and methodologies, or other facets of the tech stack - our goal is to develop the best products to solve our client’s needs.

ROLE RESPONSIBILITIES | THE WHAT & THE HOW

The Essentials

• Software Development
  • Independently develop, test, enhance, and maintain iOS applications and solutions to a high standard, taking ownership of features and modules from design through to release.
• Technical Design
  • Contribute to the design of scalable and efficient software architecture alongside senior engineers, and make sound design decisions within your areas of ownership.
  • Build and implement new features while maintaining and enhancing the existing functionality of iOS apps.
  • Integrate RESTful APIs and work closely with the backend team to ensure seamless communication between the app and server.
• Code Reviews
  • Conduct and participate in code reviews, upholding code quality, performance, and adherence to coding standards, and helping to raise the bar across the team.
• Troubleshooting and Debugging
  • Independently troubleshoot, identify, and resolve complex issues related to app performance, bugs, and compatibility across different devices.
• Documentation
  • Create and maintain technical documentation including design documents, specifications, and user manuals.
• Collaboration
  • Work closely with cross-functional teams including product managers, designers, and quality assurance engineers to deliver high-quality software solutions.
• Continuous Improvement
  • Stay updated on emerging technologies and industry trends, and contribute to process improvements and innovation initiatives within the organisation.
• Project Management
  • Own the delivery of your features and tasks end-to-end — managing timelines effectively and proactively communicating progress, risks, and challenges to stakeholders.
• Mentoring
  • Support and mentor junior developers, sharing knowledge and guiding them on best practices, coding standards, and problem-solving.

Technical Requirements

• Bachelor’s degree in Computer Science, Software Engineering, or a related field, or provable, self-taught development skills with a good understanding of how systems work.
• 4 - 6 years of work experience developing iOS applications, with a proven track record of delivering high-quality apps to the App Store.
• Strong proficiency in Swift and Objective-C programming languages.
• Deep knowledge of the iOS SDK, Xcode, and Apple’s design principles and Human Interface Guidelines.
• Solid experience with modern iOS development, including SwiftUI, Combine, and Swift Concurrency (async/await).
• Strong experience integrating RESTful APIs into mobile applications, including authentication flows and handling different network states.
• Strong understanding of Git and collaborative development workflows.
• Experience with popular iOS frameworks like Core Data, Core Animation, Core Location, etc.
• Experience with performance optimisation, memory management, and debugging iOS applications.
• Experience with automated testing, continuous integration (CI/CD), and deployment tooling for iOS applications.
• Experience with app deployment to the Apple App Store and managing releases.
• Strong understanding of mobile architecture patterns (MVVM, VIPER) and design principles (SOLID, DRY).
• Having experience working within a high-growth tech startup is advantageous.
• Have brilliant problem-solving abilities that take product design, process, and technical aspects into account.
• Have the ability to clearly articulate solutions for a technical and non-technical audience.