John Martin
I'm John Martin, an iOS Developer and Solution Architect with over a decade of experience delivering iOS solutions across retail, enterprise, sporting, aviation, health tech and more.
About
I’m John Martin, an iOS Developer and Solution Architect with over a decade of experience delivering iOS solutions across retail, enterprise, sporting, aviation, health tech and more. I excel at turning concepts into high-quality, user-centric applications for Apple devices, and I enjoy leading cross-functional teams to achieve measurable outcomes.
I stay current with the latest technologies, design scalable architectures, and communicate clearly with stakeholders and engineers to ensure transparency, collaboration and trust. I’m open to independent contracting opportunities to help clients innovate and meet ambitious goals.
- 15 years' experience
- Joined September 2025
Industry experience
- Retail
- Software & Internet
- Healthcare
- Travel & Hospitality
- Transportation & Logistics
- Professional Services
- Media & Entertainment
Work experience· 13 roles
Delivered greenfield iOS features including onboarding, paywall/IAP, cross-entitlement, analytics integration, article gifting and tooltip support; addressed Core Data performance and memory issues; improved article scroll performance.
Developed features for large-scale apps for major sporting events; re-architected for white-label use; implemented branding rollouts and API integration; contributed to Kotlin Multiplatform sharing.
Designed a hardware abstraction layer architecture to support multiple devices (card readers, printers) and connectivity types; led refactoring to support multiple models and easier device integration.
Education
Certifications and awards
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