Senior iOS Security Software Developer, Fraud

Who we are looking for

A Senior Security Software Developer, who will spearhead the Company’s mobile security initiatives, architecting resilient defences and mentoring teams to outsmart today’s advanced threats.

Within the fraud site defence team, you will be a strategic leader in our security operations on our iOS platform.

You will not only confront sophisticated hackers and reverse engineers, but also shape and drive the evolution of our mobile security landscape.

In this role, you are expected to architect cutting-edge anti-tamper and anti-cheat measures across our iOS native and companion apps, whilst ensuring critical data integrity such as GPS, against evolving spoofing techniques.

In addition to your technical acumen, your track record in leading security initiatives and mentoring junior team members, will play a key role in fostering a proactive security culture.

Preferred Skills, Qualifications and Experience

• Demonstrated mastery in securing iOS platforms, including advanced threat modelling and the design of sophisticated anti-cheat mechanisms.
• Excellent command of low-level systems programming and operating system internals.
• Extensive experience in reverse engineering, with additional knowledge of ARM assembly is advantageous.
• Skilled in C/C++ for native security development complemented by robust working knowledge of Swift for establishing secure, high-performance mobile applications.
• Proven experience in architecting, implementing, and continuously evolving state of the art anti-tamper and defence systems.
• Demonstrable ability to lead, coach, and inspire security engineering teams, driving best practices and ensuring continuous knowledge sharing.
• In-depth understanding of encryption algorithms, secure key management, and cutting-edge approaches in secure coding and risk reduction.
• Forward-thinking hacker mindset with a passion for identifying vulnerabilities before they are exploited.
• Excellent communication skills to work efficiently with development, infrastructure, and information security teams, ensuring seamless integration of security features.
• Creative approach to security challenges with a relentless drive to stay ahead of emerging threat landscapes.

Main Responsibilities

• Leading initiatives to identify, analyse, and reverse engineer sophisticated exploits, vulnerabilities, and cheat mechanisms, formulating and executing robust countermeasures.
• Defining, designing and implementing advanced, scalable anti-tamper and anti-cheat systems for mobile applications, ensuring adherence to the highest security standards.
• Developing and enforcing strategies to maintain data integrity such as unaltered GPS data, against spoofing and tampering attempts.
• Pioneering new methods from memory protection to code obfuscation, to pre-empt and mitigate potential exploits.
• Collaborating with software development, information security, and infrastructure teams to integrate robust security features, setting strategic direction on secure development practices.
• Providing technical leadership and mentorship to junior developers and security engineers, fostering a culture of continuous learning and proactive threat mitigation.
• Assessing emerging threat vectors and hacker tactics, then updating and refining security strategies and policies to maintain the Company’s competitive edge.
• Guiding the creation and maintenance of advanced tools and scripts for real-time detection, threat analysis, and rapid incident response.
• Championing the adoption of cutting-edge security standards and practices, ensuring our mobile platforms meet both internal and industry regulatory requirements.

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