Senior Application Security Engineer
Location
london, england
Job Type
Full-time
Category
Other-General
Posted
June 08, 2026
Senior Security Engineer – Mobile & Application Security
We are looking to hire two Senior Security Engineers with a strong focus on mobile application security to help raise the security bar across our mobile and backend platforms. This is a hands-on role, working closely with engineering and product teams to identify, design, and implement effective security controls throughout the development lifecycle.
Key Focus Areas
Mobile App Security (iOS & Android)
- Authentication and authorization mechanisms
- Secure data storage
- Runtime protections and hardening techniques
API Security
- OAuth and token-based authentication
- Abuse prevention and rate limiting
- Identification and mitigation of business logic vulnerabilities
Secure SDLC
- Threat modeling and design reviews
- Hands-on secur...