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Mobile Tech Lead

Company Context

Ernst & Young (EY) — a global professional services firm. This contract role was within the Fraud Investigation & Dispute Services division, leading secure cross-platform mobile solutions as part of a global BYOD initiative. Operated at the intersection of security architecture, mobile UX, and regulated enterprise integration.

Summary

Led distributed teams in the delivery of secure, cross-platform mobile solutions as part of a global BYOD initiative for EY's Fraud Investigation & Dispute Services division. Operated at the intersection of security architecture, mobile UX, and regulated enterprise integration.

Responsibilities

  • Directed offshore development teams building native and hybrid apps across iOS, Android, Windows Phone, and Windows 8.1, with shared backend services and unified deployment workflows
  • Collaborated with enterprise architects to implement Citrix XenMobile-based MDM/MAM strategies, securing data and application access at the device and organisational levels
  • Designed and implemented a robust OAuth2/OpenID Connect identity system to enable claims-based authorisation and delegated access control across apps and web portals
  • Delivered several rapid proof-of-concept applications using Xamarin, Cordova/PhoneGap, and ASP.NET WebAPI, validating enterprise capabilities under tight compliance constraints
  • Facilitated agile planning and stakeholder demos while acting as technical integrator across cloud, mobile, and legacy authentication stacks

Outcomes

  • Delivered secure cross-platform mobile solutions across iOS, Android, Windows Phone, and Windows 8.1 for a global BYOD initiative
  • Implemented OAuth2/OpenID Connect identity system enabling claims-based authorisation and delegated access control
  • Validated enterprise mobile capabilities through rapid proof-of-concept applications under tight compliance constraints
  • Secured data and application access via Citrix XenMobile MDM/MAM strategies at device and organisational levels

Reusable CV Bullets

  • Directed offshore development teams building native and hybrid apps across iOS, Android, Windows Phone, and Windows 8.1, with shared backend services and unified deployment workflows
  • Collaborated with enterprise architects to implement Citrix XenMobile-based MDM/MAM strategies, securing data and application access at the device and organisational levels
  • Designed and implemented a robust OAuth2/OpenID Connect identity system to enable claims-based authorisation and delegated access control across apps and web portals
  • Delivered several rapid proof-of-concept applications using Xamarin, Cordova/PhoneGap, and ASP.NET WebAPI, validating enterprise capabilities under tight compliance constraints
  • Facilitated agile planning and stakeholder demos while acting as technical integrator across cloud, mobile, and legacy authentication stacks

Evidence / Source Notes

  • Source: verbose CV; reconciled with JobVia export (madu_alikor_export.json).
  • Confidence: high — detailed responsibilities, tools, patterns, and outcomes available