Houssem Yahiaoui, a backend engineer at Xapo from Algeria, has almost 4 years, experience in building everything from backend services to mobile apps using Hybrid, Not so Hybrid and Native Approaches. Houssem is also a Telerik Developer Expert title holder and community power believer. He's also a Google Developer Group Lead Organizer, Algeria Tech Community (Community Manager), and speaker at numerous national and international events from DevFests to DroidCon, sharing his experience of web technologies, and a love for serverless approaches and Firebase.