Full-Stack Software Engineer, Medical Imaging
QuantCo
JavaScriptNode.jsPythonReactTypeScript
Senior Offensive Security Engineer
Sporty Group
full-time
Posted on:
Origin: • 🇬🇧 United Kingdom
Visit company websiteJob Level
Senior
Tech Stack
GoJavaScriptPython
About the role
- Lead high‑impact offensive security on product and platform surfaces (web, mobile backends, APIs) and drive remediation with DevOps and product squads
- Plan and execute offensive engagements across web/mobile/API, auth flows, and business logic
- Build repeatable test harnesses and document exploit chains; file issues with risk/rationale and fix guidance
- Partner with engineering on design reviews, fixes, and validation; mentor peers
- Contribute to threat modeling and secure design patterns
Requirements
- 5+ years in AppSec/offensive security focused on web/API
- Fluency in auth (OAuth/OIDC), access control (IDOR/BOLA), SSRF, injection classes
- Strong scripting (Python/Go/JS) and proxy tooling (Burp/ZAP)
- Clear communication to translate technical risk into business impact
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