Senior iOS Security Software Developer, Fraud

JR United Kingdom; Chelmsford; On-site; GBP 65,000 - 85,000; Full time

Job summary

A leading company is seeking a Senior iOS Security Software Developer to lead mobile security initiatives. This role involves designing advanced anti-tamper measures and mentoring teams while addressing sophisticated security threats on the iOS platform. The ideal candidate will possess extensive experience in iOS security and a strong background in reverse engineering, enhancing the company's mobile security framework.

Qualifications

• Mastery in securing iOS platforms, including threat modeling.
• Experience in reverse engineering, ARM assembly knowledge is a plus.
• Strong knowledge of low-level systems programming and OS internals.

Responsibilities

• Identify and analyze exploits and vulnerabilities, developing countermeasures.
• Design anti-tamper and anti-cheat systems.
• Lead and mentor junior security staff.

Skills

iOS security

Reverse engineering

C/C++

Swift

Leadership

Problem-solving

Communication

Job description

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Senior iOS Security Software Developer, Fraud, Chelmsford

Client: bet365

Location: Chelmsford

Job Category: Other

EU work permit required: Yes

Job Views: 10

Posted: 06.06.2025

Expiry Date: 21.07.2025

Job Description:

Who we are looking for

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

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

You will confront sophisticated hackers and reverse engineers, and shape the evolution of our mobile security landscape.

Your role involves designing cutting-edge anti-tamper and anti-cheat measures for our iOS native and companion apps, ensuring data integrity such as GPS spoofing prevention.

Besides technical expertise, your experience in leading security initiatives and mentoring junior members will be vital in fostering a proactive security culture.

Preferred Skills, Qualifications, and Experience

• Mastery in securing iOS platforms, including threat modeling and anti-cheat mechanisms.
• Strong knowledge of low-level systems programming and OS internals.
• Experience in reverse engineering, ARM assembly knowledge is a plus.
• Proficiency in C/C++ for native security development and Swift for secure mobile apps.
• Experience in developing and evolving anti-tamper and defense systems.
• Leadership skills to guide and inspire security teams.
• Understanding of encryption, secure key management, and secure coding practices.
• Hacker mindset with a passion for vulnerability identification.
• Excellent communication skills for cross-team collaboration.
• Creative problem-solving skills to stay ahead of threats.

Main Responsibilities

• Identify, analyze, and reverse engineer exploits and vulnerabilities, developing countermeasures.
• Design and implement scalable anti-tamper and anti-cheat systems.
• Maintain data integrity against spoofing and tampering.
• Develop new security methods, from memory protection to code obfuscation.
• Collaborate with development and security teams to integrate security features.
• Lead and mentor junior security staff.
• Update security strategies based on emerging threats.
• Create tools for detection, analysis, and incident response.
• Ensure compliance with security standards and regulations.

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