Senior JavaScript Security Software Developer, Fraud (Remote)

bet365
united kingdom, united kingdom
9 months ago
Applications closed

Related Jobs

View all jobs

Junior Full Stack Developer

Full Stack Developer

Senior Architect

Senior Network Engineer

Senior Security Engineer

Senior IT Support Engineer / Security

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.


By applying to us you are agreeing to share your Personal Data in accordance with our Recruitment Privacy Policy which can be found at https://content001.bet365.com/Careers/Documents/privacypolicy.pdf

Subscribe to Future Tech Insights for the latest jobs & insights, direct to your inbox.

By subscribing, you agree to our privacy policy and terms of service.

Industry Insights

Discover insightful articles, industry insights, expert tips, and curated resources.

How Many Cyber Security Tools Do You Need to Know to Get a Cyber Security Job?

If you are trying to build or move forward in a cyber security career, it can feel like the list of tools you are expected to know never ends. One job advert asks for SIEM platforms, another mentions penetration testing tools, another lists cloud security, threat intelligence platforms, endpoint detection, scripting languages and compliance frameworks. Scroll LinkedIn and it gets worse. Everyone seems to “know” dozens of tools, certifications and platforms. Here is the reality most cyber security hiring managers agree on: they are not hiring you because you know every tool. They are hiring you because you understand risk, can think like an attacker and a defender, follow process, communicate clearly and make good decisions under pressure. Tools matter — but only when they support those outcomes. So how many cyber security tools do you actually need to know to get a job? For most job seekers, the answer is far fewer than you think. This article explains what employers really expect, which tools are essential, which are role-specific and how to focus your learning so you look credible, not overwhelmed.

What Hiring Managers Look for First in Cyber Security Job Applications (UK Guide)

If you want to stand out in the highly competitive world of cyber security job applications, you need to understand what hiring managers look for before they even finish reading a CV. Cyber security hiring managers scan applications quickly and with specific priorities in mind. They assess not just your technical ability, but your judgement, professionalism, clarity, risk awareness and evidence of impact. This guide explains what hiring managers look for first in cyber security applications across roles like Security Analyst, Security Engineer, Penetration Tester, Incident Responder, Security Architect, Governance Risk and Compliance specialists and Cloud Security positions. Use this as a practical, step-by-step checklist to sharpen your CV, LinkedIn profile, cover letter and portfolio before you apply on www.cybersecurityjobs.tech .

The Skills Gap in Cyber Security Jobs: What Universities Aren’t Teaching

Cyber security has become one of the most critical disciplines in the modern economy. From protecting financial systems and healthcare data to securing national infrastructure, cloud platforms and supply chains, cyber security professionals now sit at the frontline of digital trust. Demand for cyber security talent in the UK has surged. Job vacancies remain high, salaries continue to rise, and organisations across every sector report difficulty hiring skilled professionals. Yet despite this demand, many graduates struggle to break into cyber security roles and employers consistently report that candidates are not job-ready. The problem is not intelligence, ambition or academic effort. It is a persistent and widening skills gap between university education and real-world cyber security work. This article explores that gap in depth: what universities teach well, what they routinely miss, why the gap exists, what employers actually want, and how jobseekers can bridge the divide to build sustainable careers in cyber security.