Senior Anti-Cheat Security Engineer

Our client is a global entertainment company behind one of the most-watched digital content brands in the world, building experiences that combine content, commerce, community and interactive entertainment. You will be a member of the Game Security & Integrity team, focused on protecting a new generation of mobile prize competitions, live elimination tournaments where up to a million players compete for a single prize.

As a core contributor, you will own player trust at a massive scale. Your work will span secure game and tournament architecture, automated cheat and fraud detection, real-time telemetry analysis and rapid incident response. You will protect games, players, tournaments, prize economies and supporting infrastructure against cheating, fraud, abuse and exploitation.

You will bring hands-on experience with adversarial systems to design protections across mobile clients, backend services, APIs and live data streams. You will lay the integrity foundation for competitions watched by hundreds of millions of people, where attackers have real money at stake.

Responsibilities

• Design and build secure architecture for games, tournaments and prize economies, with integrity built in from the start

• Develop automated detection systems that identify cheating, fraud, bots and abuse in real time across millions of concurrent players

• Harden mobile clients against tampering, reverse engineering, emulation and memory manipulation

• Secure backend services and APIs against replay attacks, request forgery, account abuse and exploitation of game logic

• Analyse real-time gameplay telemetry to spot anomalies and emerging cheat patterns

• Respond quickly to incidents, investigate exploits and ship countermeasures as adversaries adapt

• Work with gameplay, platform, mobile, data, fraud and security teams to define protections and rollout plans

• Monitor live tournaments and help define the processes for handling integrity incidents during high-profile events

Required qualifications

• Minimum of 5 years commercial experience in security engineering, anti-cheat, fraud prevention or a related field

• Bachelor’s or higher degree in Computer Science, Software Engineering or a related field

• Commercial coding experience in at least one of the following languages: C++, Go, Java, Python

• Hands-on experience with anti-cheat or game security systems for online or competitive games

• Solid knowledge of mobile security on iOS and Android, including tamper and root/jailbreak detection and app attestation

• Experience with reverse engineering and analysing cheats, exploits or malicious clients

• Understanding of server-authoritative game design and securing client–server communication

• Experience building detection systems on large-scale telemetry or event data

• Effective communication and teamwork skills

Nice to have

• Experience securing real-money, prize-based or competitive esports games

• Experience with fraud detection, bot mitigation or account abuse prevention

• Experience applying machine learning or statistical anomaly detection to player behaviour

• Familiarity with Unity or Unreal Engine security

• Experience with AWS and streaming platforms such as Kafka or Kinesis

• Experience with penetration testing or running bug bounty programmes

• Experience in the gaming industry, especially with large-scale online multiplayer games

Tech stack

• Java
• Python
• C++
• Golang
• iOS
• Android
• Unity
• Unreal Engine
• AWS
• Reverse engineering