City of Bristol, United Kingdom | Posted on 03/17/2026
Our team isaccountable for securitywithin the mobile channel. Weprovide a suite of mobile securitycomponents,that provides an all-round security posture in mobileappsincluding associated services (penetration testing, obfuscation,consultancy etc.).
Our mission is tobuild a scalable,adaptable, and proactive approach to securing LBG’s mobile apps, enablingmobile engineers across the bank to operate with confidence and agility in anever-evolving threat landscape.
We’re passionate about our shared passionfor delivering new features for customers across our brands in the mobilespace.
What We Need from You — EssentialSkills & Experience
- Strong programming expertise inSwift, with hands-on experience using modern iOS development toolsets includingXcode, Git, GitHub, XCTest, and XCUITest.
- Deep understanding of modularapp architecture, including frameworks-based modularisation and architecturalpatterns such as MVVM.
- Proficiency in building,maintaining, and integrating SDKs, ensuring they are scalable, well documented,and easy to consume across teams.
- Solid grasp of concurrency inSwift (e.g., async/await, GCD, Operations) and the ability to designperformant, thread safe solutions.
- Broad technical experience witha track record of delivering high quality, production scale iOS applications.
- Strong communication andcollaboration skills, with the ability to work effectively across engineeringteams to drive reusability, inner sourcing, and reduction of technical waste.
- A strong advocate forengineering quality, leveraging practices such as Pair Programming, Test DrivenDevelopment (TDD), Code Reviews, Continuous Integration, and Automated Testing.
- Knowledge of mobile securityprinciples and best practices, such as secure storage, authentication flows,and safe handling of sensitive data.
- Experience with CI/CD pipelinesfor mobile, ideally with tools such as GitHub Actions, Fastlane, and automatedbuild/test deployment processes.
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IOS developer employer: Test Triangle Limited
Test Triangle Limited is an exceptional employer, offering a dynamic work environment that fosters innovation and collaboration in the heart of the United Kingdom. With a strong focus on employee growth, we provide comprehensive training and development opportunities, ensuring our team members are equipped to excel in their roles. Our commitment to regulatory excellence and risk management not only enhances professional skills but also contributes to meaningful outcomes in the financial sector.
