Senior Application Security Engineer

This role is a 12 Month Fixed Term Contract.

As a Senior Application Security Engineer at giffgaff, you’ll play a pivotal role in shaping how we build and deliver secure digital experiences for our members. You’ll act as the go-to expert for application security, helping engineering teams confidently ship software that is secure by design, while balancing risk with pace and innovation.

In this role, you’ll embed security into every stage of the development lifecycle, from early threat modelling through to secure code reviews and vulnerability management. Working closely with engineers, you’ll simplify complex security challenges, champion best practice and help create a culture where secure software is the default, not an afterthought.

Who we are

We are a connectivity provider that does things differently. We call out the bad and find a better way. We're laser-focused on flexibility, value and mutual good, and proud to be a certified B Corp. Work...