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Telecom

MyBL App — Banglalink

Backend Engineer & iOS Developer
2019 — 2021
MyBL App — Banglalink
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Official self-care mobile application for Bangladesh's second-largest telecom serving 500,000 daily active users and 5 million total users. Built from scratch with 100+ functionalities including mobile recharge, package activation, service subscriptions, and comprehensive account management through native iOS app, Laravel backend, and React.js website.

What I built

  • Designed and built the entire application from scratch including native iOS app with Swift, MVVM pattern, Core Data, and RX Swift for reactive programming.
  • Developed Laravel-based backend API and CMS supporting both mobile and web platforms with comprehensive content management capabilities.
  • Built React.js website for public-facing content ensuring cross-platform consistency and SEO optimization.
  • Established comprehensive testing platform with maximum feasible test coverage for business logic to ensure reliability at massive scale.
  • Integrated Firebase Analytics for user activity tracking and data-driven business insights to inform feature decisions.
  • Implemented 100+ functionalities including recharge, package management, service subscriptions, account management, and customer support.
  • Optimized application performance to handle 500,000 daily active users with efficient memory management, lazy loading, and network optimization.
  • Collaborated closely with client to lock features for release, share case studies, and demonstrate business impact of the platform.

Highlights

  • 500k daily users
  • 5M+ total users
  • 100+ features
  • Built from scratch

Tech stack

iOSSwiftMVVMCore DataRX SwiftLaravelReact.jsFirebaseGoogle Maps