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Mobile Security Engineer

Spencer Rose LtdLondon🇬🇧United KingdomPosted 23 Sept 2026

Why This Role Stands Out

Advance your career by shaping the security of a leading banking client's mobile platform, with the flexibility of a hybrid work model and a competitive day rate. This role is ideal for a skilled Mobile Security Engineer eager to design and deliver a world-class security framework. Apply now to make a significant impact in a dynamic environment!

Quick Overview

Seniority
Mid Senior
Employment type
Temporary/Casual
Work mode
Hybrid
Location
London, United Kingdom
EncryptionPenetration TestingiOSAndroid

Job Description

Spencer Rose is urgently seeking 3 x Mobile Security Engineers for our Banking client, located in London or the South West. 6+ month rolling contract to start ASAP

Inside IR35 - Negotiable Day Rate
London or Bristol - 2 days a week in the office is mandatory
ASAP start
6+ month contract

This role will be pivotal in building, delivering, and driving the security of our clients mobile platform. The key aspect of this role is the design and delivery of a world-class security framework, including associated services (penetration testing, research, consultancy etc.).

What we need from you/essential skills & experience:

  • Experience of Mobile platform security, threat modelling and mitigation techniques
  • Capable of conducting regular reviews of our mobile application security posture using your hands-on experience.
  • Develop and maintain pen-testing security tools, scripts, policies and procedures
  • In depth knowledge of mobile app security standards (Android/iOS)

Desirable knowledge & experience

  • Familiarity with mobile development, DevSecOps tooling, testing and automation frameworks.
  • Have deep knowledge and experience using the mobile security tools.
  • Good understanding of authentication, authorisation, encryption, and cryptography patterns.
  • Experience in proactive researching of new technologies emerging in the security landscape.

If you are experienced in the above field and are interested, APPLY NOW for immediate review.

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