iOS Developer / Engineer - 20451

About this job

Job Overview Role Summary Our client is seeking an experienced iOS Engineer for a consulting assignment focused on developing and enhancing core areas of a large-scale consumer application. The role covers both user-facing functionality and shared platform components used by other development teams. Key areas include navigation, settings, API design, and functionality subject to stringent security, privacy, stability, and user experience requirements. You will collaborate closely with iOS, Android, and backend engineers as well as product, design, data, and other cross-functional specialists. The assignment also involves improving application performance, testing, engineering tools, and development practices. When required, you will lead technical initiatives spanning multiple teams. Key Responsibilities Develop and enhance core functionality within a large-scale iOS consumer application. Build intuitive user-facing features, including navigation and application settings. Design and maintain shared platform components that other engineering teams can build upon. Create stable, maintainable APIs while preserving backward compatibility. Write clear, idiomatic, and maintainable Swift code. Develop functionality with demanding privacy, security, reliability, and user experience requirements. Collaborate with iOS, Android, backend, product, design, and data teams. Contribute to performance optimization, automated testing, engineering tooling, and development practices. Use AI agent tools and agent-based development approaches as part of the engineering workflow. Lead cross-team technical initiatives when needed. Technical Stack & Requirements iOS and Swift: Deep knowledge of modern native iOS development and the Swift programming language. Cocoa: Strong understanding of established Cocoa design patterns. API design: Experience designing clear, stable interfaces and integrating mobile applications with backend systems. Platform engineering: Experience developing shared components with high requirements for stability and backward compatibility. AI-assisted development: Practical experience with AI agent tools and agent-based engineering methods, including tools such as Cursor and Claude. Security and privacy: Experience building solutions that handle stringent privacy and application security requirements. Additional technologies: Experience with C++, Android development, or engineering across multiple platforms and codebases is advantageous. Qualifications & Experience A minimum of eight years of professional iOS development experience is required. The successful consultant will demonstrate advanced expertise in modern iOS engineering, Swift, Cocoa design patterns, API design, maintainable code, shared platform components, and mobile-to-backend integration. Experience with C++, Android, cross-platform development, or multiple codebases is beneficial. The role requires effective cross-functional collaboration and the ability to communicate technical topics to both technical and non-technical stakeholders.

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