Location
London (Hybrid working with a minimum of 1 day per week in the office)

Hours
Full Time

Salary
Competitive salary

About the Role
Starling is the UK's first and leading digital bank on a mission to fix banking. We combine fast technology, fair service, and honest values to give customers a new way to spend, save, and manage their money while taking better care of the planet. With over 3.5 million accounts and 350,000 business customers, we are a multi-award winning, fully licensed UK bank with a tech-first culture.

We are seeking a highly motivated and experienced Mobile Security Engineer to join our Cyber Security team. In this role, you will design, build, and maintain security for our Android and iOS mobile applications, ensuring robust protection for our customers. You will collaborate closely with cross-functional engineering teams to implement security controls and enhancements, staying ahead of emerging threats and trends.

Your responsibilities will include designing and maintaining security mechanisms for mobile platforms, partnering with engineering teams to remediate vulnerabilities, providing technical consultancy, creating automated security testing solutions, and ensuring compliance with global security standards and regulations. You will thrive in a fast-paced, innovative environment where ownership, collaboration, and continuous learning are key.

Starling operates a flat structure empowering individuals to make decisions and innovate. Our culture is open and supportive, with a strong emphasis on our core values: Listen, Keep It Simple, Do The Right Thing, Own It, and Aim For Greatness.

Experience
- Deep understanding of Android and iOS security, including native APIs, file permissions, application sandboxing, and hardware security controls
- Proficiency in mobile development languages such as Swift (iOS) and Kotlin/Java (Android)
- Practical and theoretical knowledge of public cloud (IaaS) technologies
- Strong reverse engineering skills for mobile applications
- Practical knowledge of cryptography for data and network protection
- Awareness of the mobile threat landscape including malware and remote access
- Experience developing security integrations via APIs
- Experience in a client-facing security consulting role is highly desirable

About you
- Self-driven and able to take full ownership of your work
- Strong written and verbal communication skills to collaborate effectively with cross-functional teams and stakeholders
- Willingness and ability to learn new technologies and adapt to evolving security landscapes
- Enthusiastic about working in a fast-paced, innovative fintech environment

Qualifications
- Relevant technical qualifications or equivalent practical experience preferred but not mandatory
- A passion for security and mobile technology with a commitment to continuous professional development