Intermediate Mobile Developer (iOS)

Platform45; Cape Town, Rosebank; On-site; ZAR 600,000 - 900,000; Full time

Job summary

Platform45 is seeking a High Intermediate iOS Engineer in Cape Town. You will independently develop, test, and maintain iOS apps, contribute to architecture, and collaborate with cross-functional teams. You’ll mentor juniors, stay ahead of trends, and own end-to-end feature delivery.

The role requires 4–6 years of iOS experience, strong Swift and Objective-C skills, and deep knowledge of iOS frameworks. A Bachelor’s degree or equivalent is expected.

Qualifications

• Bachelor’s degree or proven self-taught development skills with strong systems understanding.
• 4–6 years of iOS app development experience with App Store delivery.
• Proficiency in Swift and Objective-C.
• Deep knowledge of the iOS SDK, Xcode, and Apple design guidelines.
• Experience with SwiftUI, Combine, and Swift Concurrency.
• Experience integrating RESTful APIs and proper auth flows.
• Strong Git and collaborative workflows.
• Experience with iOS frameworks like Core Data, Core Animation, Core Location.

Responsibilities

• Develop, test, enhance, and maintain iOS apps from design through release.
• Contribute to scalable software architecture with senior engineers.
• Review code and uphold quality, performance, and standards.
• Troubleshoot performance issues and ensure compatibility across devices.
• Create and maintain technical docs and design specs.
• Collaborate with product, design, and QA teams to deliver high-quality software.
• Stay updated on industry trends and drive process improvements.
• Own feature delivery end-to-end and communicate progress and risks to stakeholders.
• Mentor junior developers and promote best practices.

Skills

Swift programming

Objective-C

RESTful APIs

iOS debugging

Mentoring

Problem solving

Technical communication

Education

Bachelor's degree in CS/Software Engineering

Tools

Xcode

Git

CI/CD tooling

Core Data

Core Animation

Core Location

SwiftUI

Combine

Swift Concurrency

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.