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Parthiban Chinnaraj

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I’m a mobile lead engineer with 14+ years of software development experience, specializing in production-grade Flutter (Dart) and enterprise-grade iOS/Android delivery.

About

I’m a mobile lead engineer with 14+ years of software development experience, specializing in production-grade Flutter (Dart) and enterprise-grade iOS/Android delivery. I’ve architected and led multi-platform mobile solutions for T-Mobile, including NetHive-IQ—an executive network insights app delivered across iOS, Android, and Web from a modular monorepo using Clean Architecture, BLoC, and dependency injection.

I also bring strong native engineering depth across Swift/SwiftUI and Objective-C, along with secure enterprise authentication, deep linking, offline-aware caching, and CI/CD automation for fast Agile releases. I collaborate closely with product, design, and stakeholders, mentor teams, and build reliable integrations across APIs, analytics, payments, and MDM-managed environments—while using practical engineering discipline and modern workflows to deliver scalable, maintainable mobile systems.

  • 17 years' experience
  • Joined September 2026

Industry experience

  • Telecommunications
  • Software & Internet
  • Financial Services
  • Media & Entertainment
  • Healthcare
  • Education
  • Manufacturing

Work experience· 7 roles

Senior Mobile Engineer · T-MobileSep 2019 – Present · 7 yrs 3 mos

Led and architected NetHive-IQ and multiple T-Mobile apps (TLife, MyMetro, Digits, ZenKey, and authentication/carrier SDK related initiatives). Built a modular multi-package Flutter monorepo with shared core libraries, supporting iOS, Android, and Web from one codebase. Implemented BLoC/Cubit state management, dependency injection, offline-aware connectivity UX, and shared networking layers using Dio/Retrofit-like typed clients. Developed native platform channels for secure Microsoft Entra OAuth2 with PoP token generation and integrated InTune/managed app requirements. Delivered deep linking/navigation with go_router, analytics/performance instrumentation, CI/CD pipelines using GitLab/AWS runners, and Fastlane scripts for automated TestFlight and Play distribution. Also built and maintained authentication/authorization SDKs, carrier/SIM token authentication flows, multi-factor authentication, messaging/calling modules, and payments/billing add-on modules with production release managem

Mobile Architect · Costco WholesaleSep 2018 – Sep 2019 · 1 yr 1 mo

Designed and architected a Special Order Kiosk – Remote Check Capture application for vendors, covering end-to-end flow from scratch. Planned an approach combining a React web layer with native iOS/Android apps, backed by Java API services hosted on IBM WebSphere. Coordinated security, infrastructure, and CI streams; integrated an A2iA check scanning solution; established environments, access controls, and deployment strategies. Led QA and enterprise build/release workflows and coordinated an offshore team of ~15 with Scrum processes, peer/design/code reviews, and iterative delivery under changing requirements.

Technical Lead · Bausch Health (Valeant Pharmaceuticals)Jan 2018 – Aug 2018 · 8 mos

Managed multiple enterprise mobile apps across domains (MobileIron AppConnect, ScanIT, All+In, JubliApp, Prolensa Videos, AskCR). Served as a technical lead and DevOps manager in an Agile environment, coordinating releases and maintenance activities across in-house and vendor-built apps. Acted as technical point of contact for external Bluetooth scanner/pharma device SDK partners to ensure hardware-efficient implementations. Standardized secure communication using MobileIron AppConnect SDK with VPN and secure container configurations, implemented Firebase-based push messaging, and led analytics adoption. Supported cloud architecture planning for future enterprise mobile app development models and led internal transition from third-party DevOps to in-house delivery.

Technical Lead · KPMG LLPJan 2016 – Dec 2017 · 2 yrs
Technical Lead · VenturesoftApr 2014 – Dec 2015 · 1 yr 9 mos
Software Engineer · Apple through Tech MahindraMar 2013 – Mar 2014 · 1 yr 1 mo
Software Engineer · Apple through InfosysJun 2009 – Feb 2013 · 3 yrs 9 mos

Education

Bachelor’s degree in Electrical and Electronics Engineering · Anna University, India2009 – 2026

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