1.Master in Computer Science, Math ,EE, Communications or other related fields. 2.At least 3 years experiences of software product/prototype development 3.Knowledge/Experience on Computer Language, Operating system and Network security 4.Knowledge/Experience on following fields is a plus: 5G network infrastructure, 5G application, IoT, AI/deep learning 5.Excellent written and verbal English & Chinese communication skills. 6.The candidate should be fast learner, self-started, then can work independently under full support.