Mobile Engineer (iOS)

SHIELD; Singapore; On-site; SGD 70,000 - 90,000; Full time

Job summary

A leading fraud intelligence company in Singapore is seeking a Mobile Engineer to design and develop mobile SDKs primarily for iOS. You will work both independently and within a team, ensuring the delivery of secure, high-quality mobile software components. The ideal candidate has at least 3 years of mobile development experience using Swift and Objective C. This role offers the chance to be part of an innovative team focused on security and efficiency in mobile applications.

Qualifications

• Minimum of 3 years' experience in mobile development.
• Proficient in writing clean code.
• Experience in maintaining applications and remote debugging.

Responsibilities

• Support full software development lifecycle for mobile applications.
• Build secure static/dynamic libraries for client mobile devices.
• Document application requirements and design processes.

Skills

Swift

Objective C

Mobile development tools

Crash analytics

Education

Degree in Computer Science or related fields

Tools

Xcode

CocoaPods

Job description

SHIELD is a device-first fraud intelligence platform built on the world’s most persistent device identification technology across applications and platforms.

Powered by SHIELD AI and patented technology (SHIELD Sentinel), SHIELD sets the global standard for device identification (SHIELD Device ID) and exposes the full range of fraud tools and techniques through more than 20 risk indicators, delivering real-time, actionable fraud intelligence across all use cases and industries worldwide.

Trusted by global unicorns including inDrive, Alibaba, Deliveroo, Meesho, TrueMoney, Unico ID and OLX, SHIELD operates with teams across Los Angeles, São Paulo, London, Berlin, Jakarta, Bangkok, Bengaluru, Beijing and Singapore, advancing our mission: to eliminate unfairness and enable trust for the world.

Responsibilities

As a Mobile Engineer, you will contribute to the design, development, testing and distribution of our mobile SDKs for iOS mainly, however it is not limited to other SDK’s. Working individually and as a team, you will be developing mobile software components & frameworks. Advise on technical support and product adoption for clients in line with pre-sales, post-sales and the renewal processes.

• Support full software development lifecycle for new and existing mobile applications, SDKs.
• Build a highly secure, obfuscated static/dynamic library that is Apple App Store compliant to be deployed on client mobile devices.
• Build reusable iOS software components and develop mobile frameworks based on best practices.
• Document application requirements, design, test, integration, and other related processes.
• Keep up with the latest mobile technologies, devices, tools and conventions.
• Collaborate with internal teams to troubleshoot client integration problems and analyze SDK performance in various iOS environments.
• Provide technical guidance to ensure successful SDK integration and adoption by clients.
• Participate in R&D efforts to study emerging mobile attack techniques and security bypass methods.
• Proven ability to investigate complex production issues under high-pressure environments, perform deep technical analysis, and deliver robust solutions in fast-paced engineering environments.

• Degree in Computer Science, Software Engineering, Information Technology or related fields; Minimum 3 years' of relevant experience in mobile development.

• Proficient in Swift and Objective C with a record of writing clean code.
• Experience building maintainable and testable code bases, including API design, unit testing and UI testing techniques.
• Experience in maintaining applications, crash analytics, remote debugging and continuous integration.
• Familiar with Mobile development tools (iOS - Xcode, CocoaPods, CmdLine Tools and CI/CD etc.)
• Understanding of Mobile Architectures, iOS app lifecycle, memory management and performance optimization.

Additional Requirements plus to have

• Experience in developing iOS SDKs (static or dynamic frameworks / XCFrameworks).
• Experience in mobile security and reverse engineering techniques like hooking, Jailbreaking etc.
• Familiarity with Apple platform security mechanisms and runtime behavior.