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Harrington Starr

Application Security Engineer

London
Posted about 22 hours ago
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Application Security Engineer

We’re looking for an Application Security Engineer to join our security team and help strengthen the security of modern applications, with an exciting opportunity to develop deeper expertise in AI Security.

This role would suit an experienced AppSec professional who wants to expand into the rapidly developing area of securing AI-powered applications and services, particularly within the Microsoft ecosystem.

Key responsibilities

  • Embed security throughout the software development lifecycle.
  • Perform application security assessments, threat modelling and vulnerability analysis.
  • Work closely with developers, architects, and engineering teams to improve secure development practices.
  • Help define and implement security controls for AI-enabled applications.
  • Develop expertise in AI/ML security risks, including emerging GenAI threats.
  • Work with Microsoft security technologies across Azure, Microsoft Defender, Entra, and related services.
  • Support security automation and continuous improvement of application security processes.

Reasons to use Rodeo

I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?

Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.

Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.

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Grad scheme, placement, apprenticeship? Not sure what you want yet — that's fine. Your agent talks it through with you and turns "I have no idea" into a shortlist.

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Graduate Consultant — 2026 Scheme

PwC·London, UK
£35,000/yr

Why you're a good match

Strong

Your economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.

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It searches the market for you

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Why you're a good match

You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.

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Strong

Experience fit

Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.

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Strong

Only hits

No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.

What we’re looking for

  • Experience in Application Security / Product Security / DevSecOps.
  • Strong understanding of web application and API security.
  • Experience with threat modelling, vulnerability management, and secure SDLC practices.
  • Familiarity with cloud security, ideally Microsoft Azure.
  • An interest in developing specialist knowledge in AI Security.
  • Strong communication skills and the ability to work with engineering teams.

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Why this role?

This is an opportunity for an established Application Security Engineer to broaden their skill set into AI Security, while working with a modern Microsoft technology stack and gaining hands-on experience in one of the fastest-growing areas of cyber security.

Interested? Apply now or get in touch for an informal discussion.

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Skills

Application Security
AI Security
Threat Modelling
Vulnerability Analysis
Secure SDLC
Microsoft Azure
API Security
DevSecOps
Microsoft Defender
Microsoft Entra
Cloud Security
Web Application Security

Location

London, England, United Kingdom

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