Senior JavaScript Security Software Developer, Fraud (Remote)
Who we are looking for
A Senior Security Software Developer, who will safeguard the Business by uncovering exploits, architecting robust defences, and collaborating with teams to thwart sophisticated reverse engineers.
Within the fraud site defence team, you will be a key defender at the forefront of our security drive.
You will not only confront sophisticated hackers and reverse engineers, but also shape and drive the security evolution of our web client and companion app.
In this role, you are expected to architect cutting-edge anti-tamper and anti-cheat measures across our website, with hand-offs to our companion apps for additional security checks, whilst ensuring robust data integrity and innovative client hardening.
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 web client platforms, including advanced threat modelling and the design of sophisticated anti-cheat mechanisms.
- Excellent command in low-level systems programming, with extensive understanding of virtualisation and bytecode interpreter.
- Expert in TypeScript and JavaScript for browser development, with robust working knowledge of WebAssembly for secure, high-performance web applications.
- Proven experience in architecting, implementing and continuously evolving state of the art anti-tamper and defence systems.
- Demonstrated experience in architecting and implementing advanced security features, anti-tamper and robust defence mechanisms.
- Strong understanding of cryptography, encryption algorithms, hashing, and secure key management practices.
- Passionate for uncovering vulnerabilities and staying ahead of potential attackers.
- Creative approach to security challenges, with a relentless drive to stay ahead of emerging threat landscapes.
- Demonstrable ability to lead, coach, and inspire security engineering teams, driving best practices and ensuring continuous knowledge sharing.
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.
- Designing and implementing advanced anti-tamper and anti-cheat systems across the Company website.
- Developing and enforcing strategies to maintain data integrity that guarantee values in the website remains unspoofed and untampered.
- Collaborating with software development, information security, and infrastructure teams to integrate robust security features, setting strategic direction on secure development practices.
- Pioneering new methods from memory protection to code obfuscation, to pre-empt and mitigate potential exploits.
- Continuously analysing emerging threats and hacker behaviour to refine and adapt security strategies.
- 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 update and refine 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.
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Salary: GBP 43200 - 72000 per year Experience: 5 years required