Senior Application Security Specialist

Job Title: Senior Application Security Specialist Location: Stoke‑On‑Trent, England, United Kingdom Company: Bet365 Company Description At Bet365, we're one of the world's leading online gambling companies, revolutionising the industry since 2000. Founded by Denise Coates CBE, we now employ over 9,000 people and serve over 100 million customers in 27 languages. Our focus on in‑play betting has solidified our market‑leading position, offering an unmatched experience across 96 sports and 700,000 streaming events. We handle over 6 billion HTTP requests daily and process more than 2 million bets per hour at peak. We empower our employees to push boundaries and explore new ideas, cultivating a culture that celebrates and rewards creativity. This offers employees a wealth of opportunities for growth, giving them the opportunity to make a real impact in the world of online gambling. As a forward‑thinking company, we’re breaking new ground in software innovation too, redefining what’s possible for our customers worldwide. Job Description As a Senior Application Security Specialist, you will focus on securing our applications through development lifecycle controls and penetration testing to assess the effectiveness of security measures. The Information Security department is responsible for the security and risk management of closed source, open source and proprietary applications throughout development and implementation. Utilising your knowledge of secure development lifecycles and code assessment, you will work with the software development teams to understand and mitigate application‑based vulnerabilities. This role is based within the wider Information Security department, with engineers and analysts of varying backgrounds. Collectively, the team utilises enterprise and bespoke tooling to identify, mitigate threats, and safeguard the Business. We leverage AI to enhance our existing security processes and practices, embracing the advantages it brings. You will play a key role in our journey to leverage this powerful technology in strengthening our application security. This role is eligible for inclusion in the Company’s hybrid working from home policy. Qualifications Exceptional understanding and practical experience with manual security testing to find vulnerabilities and logical issues, in either web applications or infrastructure. Strong understanding of and demonstrable experience with automated, dynamic, and static application security testing tools. Knowledge and understanding of Open Web Application Security Project (OWASP) and its utilisation within threat modelling. Experience of software development and languages. Working knowledge of CI/CD pipelines and associated security tooling. Demonstrative experience in using structured methodologies for conducting and reporting on web application penetration testing. Excellent documentation skills. Strong written and verbal communication skills. Additional Information Leading the project process to ensure that information security aspects are considered prior to and throughout the project lifecycle. Contributing and continuously improving our penetration testing and red teaming methodologies. Performing dynamic and static security testing of our applications and infrastructure. Performing security code reviews and providing help with remediation. Partnering with software development teams to ensure security is accounted for throughout the development lifecycle. Contributing continuously improving the Company’s supply chain assurance processes to identify flaws and vulnerabilities. Performing advanced risk assessments, threat modelling, and design reviews to ensure effective security controls are in place. Identifying opportunities for converting manual tasks into automated processes and identify tooling to support such automation. Providing support to technical leads and mentoring junior members of the team. By applying to us you are agreeing to share your Personal Data in accordance with our Recruitment Privacy Notice - https://www.bet365careers.com/privacy-policy At Bet365, we’re committed to creating an environment where everyone feels welcome, respected and valued. Where all individuals can grow and develop, regardless of their background. We’re Never Ordinary, and we’re always striving to be better. If you need any adjustments or accommodations to the recruitment process, at either application or interview, please don’t hesitate to reach out. Seniority Level Mid‑Senior level Employment Type Full‑time Job Function Information Technology Industries Software Development #J-18808-Ljbffr