Raken

Leading a YBIYRI team (Hapū) in New Zealand to design, build, and operate integrations, supporting Box, Dropbox, Google Drive, Microsoft OneDrive, Procore, Autodesk BIM 360, Sage 100/300, Vista/Spectrum by Viewpoint via Ryvit, QuickBooks Online, EarthCam, HoloBuilder, and more coming, powered by AWS Cloud-native technology.
Hapū is also building and enhancing Open API enabling external systems to integrate with Raken.
Currently, we are working hard on integrating with Recurly to ensure that the new billing & subscription in our system is more flexible and reliable.

Principal Engineer

Gentrack Ltd (Global)

Be part of a great YBIYRI team building and operating Gentrack Cloud Integration Services (or GCIS), a brand new SaaS product in Gentrack. It is a micro-services architecture and built using Cloud-native (AWS) technologies.

Part of the integration services, also working on:
- Salesforce Sales Cloud Connector (Data migration, Realtime data synchronization)
- Mandrill connector
- Identity Service
- 24/7 Ops

Sr. Software Engineer

Orion Health

Worked in several teams as a backend developer / DevOps engineer, and what I had accomplished includes:
- A number of Orion Health APIs design and implementation: OpenID Connect UserInfo API, Activity Stream API, Engage GraphQL API, Chat Relationship API;
- Leading Engage GraphQL evolution to an AWS Serverless Architecture;
- Orion XMPP Server extensions design, implementation, and took the full ownership of building, installation and upgrade;
- Leading the Mobile / Web Push Notifications Engine investigation, architecture, implementation and integration;
- CI/CD: Independently created the first XMPP Server and Mobile Backend Solution CI/CD pipeline (deployment in AWS) which saves ~thousand hours, improves the confidence of product quality and supports pre-sales demonstration to our customers;
- Supporting and maintaining a number of live demo environments for France, UK, North America, and NZ customers;

The University of Auckland

Teaching assistant of the course: SOFTENG 251 Object Oriented Programming.

My masters' project is Activity Recognition Engine (https://are.fmhs.auckland.ac.nz) which is capable of:
1) managing triaxial accelerometer signal data;
2) parsing raw signal data generated by triaxial accelerometer sensors;
3) recognizing physical activities, e.g. walking, shuffling, standing, sitting, lying, based on accelerometer data;
4) visualizing raw signal data and physical activities;

The most challenging part on the browser side is how to visualize the big volume of 100 Hz acceleration signal data in a way that researchers can examine it efficiently. On the server side, the most challenging part is how to process the data quickly.

The final implemented system only takes less than two minutes to convert and analyze two days of signal data. By contrast, it took up to one hour to just convert the data before the study, and run out of memory when recognizing physical activities based on the converted data. The improvement is DRAMATICALLY!!!

The currently supported accelerometer sensor is uSense. It is developed by FARSEEING which is an EU-funded project.

Pending supported devices include:
- AX3 by Open Movement (https://github.com/digitalinteraction/openmovement)
- WGT3X-BT by ActiGraph (http://www.actigraphcorp.com/products/wgt3x-bt-monitor/)

ARE is now online and being hosted by the University of Auckland.

URL: http://are.fmhs.auckland.ac.nz/
Guest login: guest/guest

Key Technologies: Java, Javascript, jQuery, AngularJS, Bootstrap, RESTful, Google Charts, Dygraphs, Spring, Struts, MySQL, Linux, Tomcat, MATLAB, Scilab.

Teaching Assistant, Postgraduate Researcher

Hoome

Worked on the backend of a mobile online shopping system.

Key Technologies: Java, Spring, Struts, MySQL, Linux, Tomcat, Data Mining (Apriori), Search Engine (Apache Lucene / Solr), Hudson/Jenkins

Sr. Software Architect

iSoftStone

As a software architect and developer, I participated in and built/delivered several projects (human motion monitoring, electric generator monitoring, and telecom device management)

Key Technologies: Java, Javascript, Spring, Struts, MySQL, Cassandra, Tomcat, JBoss.

GE Healthcare

Worked in a team developing infrastructure software components for the platform that is used in the GE X-Ray software system. Initiatives including test automation of CORBA interface, product patch and upgrade infrastructure, and etc.

Nortel Networks

Worked on the architecture of Security and Configuration (of FCAPS) for several releases of Nortel OAM (CDMA & UMTS) product to customers in China and the United States.

Key Technologies: Java, Perl, C++, CORBA, RMI, TCP/IP, SSH, SFTP, IPFilter, Solaris, Oracle, Sybase.

Software Architect & Sr. Software Engineer

Metarnet

Built FCAPS components of OAM product adapting SDH/WDM devices of multiple vendors, including Huawei, Lucent, ZTE, and ATM device of Nortel.

Software Engineer

20+ years of experience in software development and architecture;
10+ years of experience in Telecom Network Management Software (OSS/NMS/EMS) development;
7+ years of experience in Healthcare industry;

Strong ability to drive architecture, design, and implementation, good technical leadership and a strong sense of quality;
Rich experiences in system architecture/development (platform & application), troubleshooting, system engineering, system administration;
Good sense in the quality control process, software development life cycle with good practice;
Experiences in cross-site team cooperation with good coordinate and communication skill;
Experiences in Agile/Scrum;

Skill Sets:
•	AWS Cloud
•	Java, JavaScript/Typescript/NodeJS, C++, SQL, Perl, Shell, jQuery
•	Open API, OAuth, Spring
•	SOA (CORBA, RMI, JMS), OSGi, Microservices, Hibernate, iBatis, Lucene / Solr / ElasticSearch
•	CI/CD: Hudson/Jenkins/Bamboo, Docker, Puppet, CircleCI
•	DevOps: HoneyComb, Sumo Logic, Datadog, Opsgenie
•	Telecom: BSS, OSS, NMS, EMS, 3GPP/3GPP2, TMF814

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