Mark McGuill
Software Engineer at Phoebe Code Limited
London, England, United Kingdom
Summary
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RockstarMark McGuill is a London-based software engineer with six years of hands-on experience building and maintaining mobile applications, particularly on iOS. As founder and developer of Strongbox, he contributes to a well-regarded open-source KeePass/Password Safe client, focusing on robust security features, database auditing, and usability refinements. His commits show a practical knack for diagnosing and fixing tricky edge cases—such as key file bugs and Have I Been Pwned integration—demonstrating attention to both security and user trust. Comfortable shipping incremental improvements, he balances backend audit logic with front-end UI polish. Mark combines entrepreneurial initiative with steady, detail-oriented engineering that improves reliability in security-sensitive apps.
6 years of coding experience
Github Skills (10)
objective-c10
ios10
ios-security10
1password9
cocoa9
password-manager9
password-vault9
auditing9
audit9
cryptography8
Programming languages (7)
Github contributions (5)
strongbox-password-safe/Strongbox
Apr 2020 - Jan 2023
A KeePass/Password Safe Client for iOS and OS X
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:61 commits, 6 PRs, 67 pushes in 2 years 8 months
Contributions summary:Mark's commits primarily focus on bug fixes within the Strongbox iOS application. These changes include addressing issues related to key file bugs and handling Have I Been Pwned (HIBP) audits. Additionally, the commits show work on updating and implementing features in the database auditor, along with UI refinements.
password-managerpassword-safepasswordswiftios
strongbox-password-safe/browser-autofill
Mar 2023 - Feb 2025
Contributions:4 pushes, 1 branch, 24 comments in 1 year 11 months
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