I will develop custom softphone app, linphone app, voip app, esim app, video call app

J
jamesooakley
J
jamesooakley
James Oakley

About this gig

Modern communication apps require more than just basic calling features. Users expect fast connectivity, stable communication, smooth audio and video performance, and a reliable experience across devices. Whether you are building a softphone app, VoIP platform, Linphone solution, eSIM service, or a real time communication system, the quality of development directly affects how professional and dependable your platform feels.


I focus on developing communication applications that are built for performance, usability, and long term scalability. From SIP and VoIP integration to WebRTC, video calling, auto dialer systems, and backend functionality, every project is developed with careful attention to stability, responsiveness, and clean architecture.


The goal is to create an application that not only works smoothly but also provides a polished user experience for businesses, startups, and communication platforms. Every feature is implemented with performance and reliability in mind to ensure the app functions efficiently in real world use.


If you are planning to build a custom communication or calling app, feel free to message me before placing your order so we can discuss you

Get to know James Oakley

James Oakley

Full Stack App Developer for Startups and Businesses

  • FromUnited Kingdom
  • Member sinceMay 2026
  • Avg. response time1 hour
  • Languages

    English, Spanish, Italian, German, French
Over the past several years, I’ve worked on projects ranging from business apps and booking platforms to eCommerce, delivery, finance, social networking, and custom mobile solutions. My approach combines strong technical development with modern UI/UX thinking so every app not only works smoothly but also feels premium to the end user. i specializing in Android, iOS, and cross-platform application development for startups, businesses, and growing brands.