Description

You will design, build, and maintain iOS Frontend SDKs for mobile payment solutions.

This role is on-site.

Responsibilities

• Design and develop lightweight, modular iOS SDKs using Swift and Objective-C.
• Integrate payment, authentication, and secure transaction APIs with backend systems.
• Optimize SDK performance, startup time, and memory usage while ensuring PCI-DSS compliance.
• Implement automated unit, UI, and integration tests and maintain CI/CD pipelines.
• Create developer documentation and provide technical support for third-party integrations.

Required Skills

• 10+ years of iOS development experience.
• Expert-level proficiency in Swift with working knowledge of Objective-C.
• Proven experience designing and maintaining mobile SDKs or frameworks.
• Hands-on experience with Xcode, Instruments, XCTest, and Swift Package Manager/CocoaPods.
• Strong understanding of REST APIs, JSON parsing, and multithreading (GCD/OperationQueue).
• Knowledge of mobile security mechanisms including Keychain, certificates, OAuth, and tokenization.
• Experience with Git, Jenkins, or GitHub Actions for CI/CD workflows.

Preferred Skills

• Experience with payment systems, digital wallets, or fintech applications.
• Familiarity with cryptographic libraries, secure enclave, or authentication frameworks.

Key Skills

Education

Bachelor's or Master's degrees