We're looking to engage an experienced Full Stack Developer to deliver a defined package of security and compliance-focused enhancements to our client's web platform.
This is a short-term, well-scoped contract focused on strengthening authentication, auditing, and application security within an existing production system.
The Role
You will be responsible for implementing several targeted improvements to a live ASP.NET MVC application, including:
* Adding multi-factor authentication (MFA) to user login
* Implementing step-up verification for sensitive user actions to confirm user presence at the point of authorisation
* Enhancing audit logging to capture user actions with timestamps
* Reducing security vulnerabilities by updating legacy libraries and resolving AppCheck warnings
* Producing clear technical documentation and handing over to the internal team
Tech Stack
* ASP.NET MVC (.NET Framework 4.8)
* C#
* JavaScript, HTML, CSS
* REST APIs
Required Experience
* Strong background in authentication and authorisation patterns
* Experience securing high-risk or regulated user actions (e.g. approvals, authorisations)
* Comfortable working independently on well-defined enhancements
* Ability to work within an existing codebase and platform constraints
* Clear documentation and handover skills
Desirable
* Experience in regulated environments
* Familiarity with step-up authentication or electronic signature workflows
* Pragmatic approach to improving security without large-scale rewrites
For more info, contact Ruben Davis at Synergy