Expertise in software application development, having 10+ years related experiences with great reputation and recognition from users and managers. Excellent project commitment, to lead projects through all stages (requirements, design, dev, testing, launching), to manage internal and external resources with effective communication and follow-up, to coach less experienced members, and if necessary to undertake the development tasks.Strong web application development skills (J2EE) with hands-on experiences in OTA architecture, cloud solution, and large scale project management.Experiencing different companies’ business know-how and processes, while overseeing various technology architecture, design and implementation.Proven ability to design and deliver global-scale, mission-critical enterprise web application with high performance, availability, and stability.Specialties: Project Management, Solution Architecture, OTA (Over The Air), System Analyst & Design, J2EE (RESTful WS, struts, spring, hibernate), DevOps, Cloud Solution (AWS, Azure, CDN), System Testing, Release ManagementAKA: Ivan Cheng, Irfan Marhus, 鄭志帆, marvelousgame, imarhus