Ericsson Cloud Manager Analytics - A performance metrics monitoring system on cloud resources deployed in VIMs, it collects meter data from the VIMs via Openstack Ceilometer/Gnocchi, manages the thresholds/alarms, supports auto-scaling capabilities and provides analytical views. My responsibilities:

• Lead a development team across Europe and North America for various features

• Participate system architecture designs

• Design and implement high availability and a geo-redundant solution for the system

• Building up a new development team, transfer knowledge to them.

• Technologies: Java, J2EE EJB, RESTful services, Postgres, Cassandra, Docker, Ansible, Python, OpenStack Ceilometer and Gnocchi

Ericsson Cloud Manager - An end-to-end solution for cloud services (IaaS, PaaS) based on Openstack and other virtualization platforms, It handles the life-cycle management of NFV (Network Functions Virtualization) in a geographically distributed cloud infrastructure, and it is designed as a high availability, geo-redundant and multi-tenancy system. It plays the role of NFVO (NFV Orchestrator) and VNFM in the ETSI NFV-MANO framework. My responsibilities:

• Started with small team and scaled up to very large development organization

• Participated in system architecture designs and feature estimates

• Designed and implemented many end to end features from REST API, Orchestration to Activation, CI/CD

• Led many different development teams during the expansion of the development organization

• Technologies: J2EE Java, Python, Ansible, jBoss, Spring Framework, RHEL, Oracle, tools (Git-Gerrit/Jenkins/Maven...), OpenStack (Nova, Neutron, Cinder, Glance, Keystone, Heat), ForgeRock OpenAM (IdAM)

Worked on the Granite Inventory/Provisioning System to support PON/DSL/IPTV/VOIP that provided service provisioning and management of wireless technologies for GSM/UMTS. It is a configurable/extensible assignment service that can be used to manage the life cycles and relationships of various objects in the telecommunications inventory database. It combines a number of concepts into a framework for solving common problems encountered when building an assignment service. My responsibilities covered all phases, including infrastructure/application design/development, and package/deployment.

Technologies: J2EE Java, EJB, XML SOAP, JBPM process flow engine, Oracle.

Worked on a telephony operations system which supported the maintenance of address data and their telephony specific attributes. These telephony data attributes are obtained during customer service negotiation and are used for both provisioning and billing purposes. Technologies: C++, Oracle.