Our client is the world's leading online dedicated supermarket and they are on a mission to transform the future of online shopping through cutting-edge technology innovation. They have an exciting opportunity for a Senior Security Application Engineer to join their team.

As part of the Application Security team you will be responsible for:

Providing development teams guidelines and assistance on addressing security threats that span across web and mobile applications, cloud computing, robotics, artificial intelligence and automation

Providing support to development teams in:

Architecture and design

Threat modelling activities

Security code reviews

Remediation guidance for: security vulnerabilities, penetration testing findings, cybersecurity issues and threats

Improve SDLC security via CI/CD tooling

Running, maintaining and leading activities related to bug bounty program

Educating development teams on performing security activities

Taking part in preparing study materials for security awareness of development teams

Coaching and mentoring other team membersKnowledge, Skills and Experience

Essential

5 or more years experience in one of the application security, development or penetration testing

OWASP Top 10 web application security risks and countermeasures

A clear conceptual understanding of the SDLC

Knowledge of architectural principles for modern software development

Strong communication skills and ability to influence engineering behaviours

Interest in continuous learningNice to have

2 or more years of hands-on experience in threat modelling

Ability to read and understand code written, ideally, in one of the following languages: Java, Javascript, Python, C, C++, Kotlin, Swift

Experience in mobile or web development

Experience in security assessment (design review, vulnerability assessment, penetration testing)

Knowledge of cloud environments and how to secure them

Experience with container technology

Knowledge of cryptographic concepts applied to data protection

Relevant certifications (OSCP, OSWE, eCPPT, eWPT, GPEN, GWEB, etc.)

Our Values

We champion a value-led culture to get our teams working at their very best and to help create a collaborative working environment with inspiring projects that our people love. Core values of Trust, Autonomy, Craftsmanship, Collaboration and Learn Fast help drive our innovative culture. But don't just take our word for it, have a look at what our people are saying about us on Glassdoor.

What we offer you

Our employee benefits are designed for you, we care about people and we've ensured we have a wealth of benefits that focus on your well-being. We regularly review our benefits to ensure we are supporting our employees appropriately. Currently, we offer technically stretching work, a competitive salary and;

A Work from Home policy that sees you in the office typically 40% of your time.

30 days 'working from anywhere' policy

Equity Plan (10-15% of salary) for eligible roles

Wellbeing support through Apps such as and an Employee Assistance Programme

25 days annual leave, rising to 27 days after 5 years service (plus optional holiday purchase)

Pension scheme (various options available including employer contribution matching up to 7%)

Private Medical Insurance

22 weeks paid maternity leave and 6 weeks paid paternity leave (once relevant service requirements complete)

Train Ticket loan (interest-free)

Cycle to Work Scheme

Free shuttle bus to and from Welwyn Garden City Train Station to the Welwyn Garden City offices

Opportunity to participate in Sharesave and Buy as You Earn share schemes

15% discount and free delivery for all employees

Income Protection (can be up to 50% of salary for 3 years) and Life Assurance (3 x annual salary)

How to Apply:

For more information on the role, or an informal discussion regarding opportunities we have available, please contact Zuzanna Szelest on (phone number removed) &

Why work with Proactive?

Proactive Global is an industry leading, specialist engineering recruitment agency focused on the automation, manufacturing and robotics sectors. We offer specialist recruitment services to a niche customer base, vetting that our clients offer the best opportunities for your career. Proactive encourages and promotes equality and diversity within the workforce. We act with honesty, integrity and impartiality, ensuring your application is considered on its own merits and without bias.

When registering with Proactive you will have the opportunity to apply for some of the most interesting, specialist, opportunities in the marketplace, with the biggest companies in the sector. Follow us on Linkedin and Facebook for industry news and download our app for live notifications about newly listed vacancies. We look forward to helping you find your next role!

Proactive Global is committed to equality in the workplace and is an equal opportunity employer.

Proactive Global is acting as an Employment Business in relation to this vacancy