Gaurav Kumar

Career Bracket Verified

Over 12+ years — at Agoda, Airtel X Labs, HSBC, L&T Infotech, and Barclays — I've built consumer-facing mobile applications at massive scale, from Agoda's hybrid native-web architecture serving millions of sessions to HSBC's biometric security framework and Barclays' enterprise banking app across Sub-Saharan Africa. My expertise spans iOS (Swift, VIPER, MVVM, Clean Architecture), Kotlin, app security, and CI/CD optimization, alongside leading squads of 8–12 engineers. I mentor engineers looking to build a career in iOS/Mobile Development, App Architecture, Fintech Engineering, or the transition from Developer to Technical Lead. Let's talk about where you're stuck.

Benefits

• Real-world iOS & mobile engineering experience — Agoda, HSBC, Barclays
• 1:1 code & architecture reviews (iOS/Kotlin)
• Mobile architecture mentoring (VIPER, MVVM, Clean Architecture)
• Direct access to 12+ years of global engineering experience (India, Thailand)
• Career roadmap: Developer → Tech Lead → Senior Engineer
• Guidance on leading engineering squads (8–12 engineers)
• App security & fintech engineering guidance

Expert In

• iOS Development (Swift, Objective-C)
• Mobile Architecture (VIPER, MVVM, Clean Architecture)
• Kotlin & Hybrid Native-Web Development (CXP/Capybara)
• App Security (SSL Pinning, Biometric Auth, Encryption)
• Fintech & Banking App Engineering
• Backend Development (Scala, C#)
• Mobile Attribution & Analytics (GA4, AppsFlyer)
• Technical Team Leadership
• Dependency Injection & Test Automation