I will develop voip app, softphone app, esim app, esim website, video calling app

D
dommaskell
D
dommaskell
Dom Maskell

About this gig

Imagine a world where connecting with anyone, anywhere, anytime is effortlesswhere your business calls, video meetings, and messaging just work without stress or technical headaches.

I'm here to make that world real for you. I will develop your VoIP app, Softphone app, eSIM platform, or video calling app with precision, care, and purpose. Every line of code, every interface, and every feature is designed to help your users feel seamless connection and trust in your service.

Key Features

  • High-quality voice calling over IP (SIP/WebRTC)
  • Call hold, transfer, forward, and conference
  • Caller ID & call history management
  • Auto-dialer and outbound call support
  • Multi-platform support (iOS, Android, Web)
  • Push notifications for incoming calls/messages
  • SIP trunk and PBX integration
  • AI-powered call analytics (optional)
  • SM-DP+ integration for secure eSIM activation
  • eSIM profile management and user dashboard
  • Subscription plans and billing integration
  • QR code-based eSIM activation
  • Real-time usage statistics
  • Account management & customer support portal
  • Multi-device support
  • and more

If you want an app that is more than just softwarean experience your users will lovelets create it together.

Get to know Dom Maskell

Dom Maskell

Software Engineer, Full Stack and Mobile App Development Specialist

  • FromUnited Kingdom
  • Member sinceMar 2026
  • Languages

    English
I’m Dom Maskell, a Software Engineer with 5 years of hands-on experience across all stages of the software development lifecycle. I specialize in mobile app development. I have strong expertise in Android development using Java and Kotlin, backend development with PHP/MySQL, and experience building eCommerce apps, server-based systems, and location-based apps with Google Maps. I thrive on ownership and delivering challenging projects end-to-end.