Application Security Engineer

Must have:

3-5+ years of hands-on experience in application security testing

Strong knowledge of SAST, DAST, MAST, and IAST tools and methodologies.

Familiarity with secure SDLC and Application DevSecOps practices.

Experience integrating application security testing into CI/CD pipelines.

Good understanding of common application vulnerabilities and mitigation strategies (OWASP Top 10, ASVS, MASVS).

Proficiency in at least one programming or scripting language (e.g., Python, JavaScript, C#).

Strong analytical, problem-solving, and troubleshooting skills.

Excellent communication and teamwork abilities.

Experience in producing clear, concise technical documentation and security reports.

Commitment to continuous learning and keeping up with evolving application security threats and technologies.

Nice to have:

CREST Certified Web Application Tester

Bachelor’s degree in Software Engineering

Key Measures of Success:

Proactive identification and remediation of application vulnerabilities.

Effective integration of application security testing into development workflows.

Demonstrated improvement in application security posture over time.

Positive feedback from development teams regarding security testing support.

Ability to communicate complex security concepts to technical and non-technical stakeholders

At Allwyn, we are dedicated to changing lives and growing the National Lottery responsibly, championing its positive impact on people, places, and the planet.

Innovation - We pride ourselves on it! We’re constantly looking for new ways to excite our customers, bringing new products to market to enjoy which is all supported by our responsible play values and making them accessible to all.

Giving back – Did you know that playing the lottery generates around £30m a week for charities and good causes in the UK? Our aim is to have doubled this number by the end of the first 10-year license.

Sustainability – Our aim is to become a net zero national lottery. We have 2030 targets to decarbonise our operations and energy. We’ve already transitioned to renewable energy providers, made our London and Watford offices zero gas, and ensured our fleet consists of low-emission vehicles. In addition, we’re working with our value chain partners to develop a net zero target date.

Empowering every voice – We believe in creating a culture where everyone feels they belong, can be themselves, has access to opportunities and can thrive for the benefit of good causes. Our diverse teams are working hard to make all parts of The National Lottery inclusive – whether people play a game in a store or online, because when everyone can play, everyone wins..

An inclusive reward offering with wellbeing at the centre

At Allwyn, inclusion is built into how we care for our people. Our benefits and policies support colleagues and their families at every stage of life and career. By prioritising wellbeing and belonging, we create a workplace where everyone feels valued, rewarded, and empowered to succeed. Our people are more than colleagues - they’re winners, driving positive change and making a real difference in communities.

Benefits

Company Bonus Scheme

Matched pension contributions up to 8.5%

26 days annual leave + 2 Life Days (and bank holidays)

Single Private Health Cover

Complimentary Private Medical

Income Protection

Flexible Benefits – EV Scheme, Money Coach, Will Writing, Mortgage Advice, Dental and Eye Care Schemes.

Enhanced Family Leave (Maternity, Paternity, Adoption)

Wellness Allowance £500

Employee Assistance Programme

Discounted Health Assessments

Volunteering Days

Matched Funding

We are a Disability Confident Leader which means we’ve taken proactive steps to ensure our workplace is accessible and inclusive for disabled and neurodivergent colleagues and candidates. As part of this we offer an interview to disabled applicants who meet the essential requirements of the job.

If you need any assistance or adjustments to this job description or in the application process, please contact a member of the talent team at careers@allwyn.co.uk and we’ll be happy to help.