1.
Kai Chen
Wuhan, Hubei, China
+86 13437167669
281165273grape@gmail.com
SUMMARY
Currently I focus research on blockchain, cloud computing area. I am an open source enthusiast. My
github profile is ​Github Profile​.
I am an active contributor of ​hyperledger­fabric​ project (the old repo is ​hyperledger­fabric­archive​) and
watson­java­sdk​ project.
I also create several open source projects.
Vineyard​ is a java RPC framework based on ​RxNetty​, inspired by ​Finagle​.
Fabric­java​ (old repo is ​hyperledger­java​) is a java SDK for ​hyperledger­fabric​ based on ​retrofit​ and
RxJava​.
I am familiar with some new technologies including docker, openstack, microservice, spring boot,
spring cloud. I understand Agile and DevOps culture. I also have much experience on web
development both frontend and backend.
Now I am working in IBM, before that ever I worked in Thoughtworks, Verizon, HP, Ping An
technology.
SELF ASSESSMENT
I am a geek and embrace open source. I master several programming languages (OOP and FP) such
as java, python, javascript, scala, golang. I understand some theories of distributed system.
Technology stack:
● Programming language
Java, python, javascript, scala, golang, typescript
● Build tool
Maven, gradle, sbt, gulp
● Frameworks and libraries

2. Spring boot, spring cloud, netty, rxjava, retrofit, okhttp, jersey, pyflow, rabbitmq, kafka, storm,
spark, grafana, angularJS, nginx, redis, ionic, bootstrap, sass, richfaces, express
● Platform
Docker, openstack, hyperledger­fabric, nodejs
● DB
Oracle, mysql, influxdb, rocksdb
EDUCATION
Zhongnan University of Economics & Law
Information management and information system
Bachelor
September 2001 ­ June 2005
EXPERIENCE
Tech Leader, IBM China.
Wuhan, Hubei, China — Apr 2015 ­ present
Attend private modular cloud project. Build a multi­tenant cloud monitoring platform.
Be responsible for investigating ​openstack monasca​ monitoring as a service.
Be responsible for building monitoring system prototype based on monasca.
Be responsible for controlling the project progress and lead the team to develop.
Attend cloud builder professional service project.
Be responsible for develop automation cloud deployment tool based on IBM workflow, IBM ICO.
Be responsible for using pyflow to create a workflow tool.
Attend hyperledger fabric project.
Be responsible for investigating blockchain technology.
Contribute from offical community.
Attend cognitive build project.
Be responsible for investigating IBM waston, spark.
Be responsible for building prototype of programmer recruit bot system.
Accomplishments
● Join hyperledger organization(​https://github.com/hyperledger​).
Senior Consultant, Thoughtworks China.
Wuhan, Hubei, China — May 2014 ­ Jan 2015
Attend CITIC(www.tengniuwang.com) p2p net loan project.
Be responsible for building core framework .
Be responsible for developing core business logic.
Be responsible for developing all 3rd party interface.
Assist to build CI environment and deploy.
Accomplishments
● Make the project (​https://www.tengniuwang.com​) launching successfully.

3. Web Developer, Verizon Telematics, Inc.
Wuhan, Hubei, China — May 2013 ­ May 2014
Attend Mercedes­Benz Connect China telematics project.
Assist US team to develop web­based application including several internal and external portal site.
Assist US team to develop web­based front gateway for exposing internal web service safely.
Monitor the whole system using some tools such as OpManager, ZENOSS.
Accomplishments
● Make the project online successfully.
● Oversea trained for three weeks at Atlanta, GA.
Service Info Developer, HP Enterprise Services
Wuhan, Hubei, China — December 2010 ­ May 2013
Participate in Design and development for project Nissan North American Dealer Business System.
Be responsible for JSF component implementing and UI style design as component library subsystem
owner.
Attend middleware development using IBM WESB.
Accomplishments
● Build the whole system style.
● Build the JSF component library.
Senior Software Engineer, PING AN INSURANCE (GROUP) COMPANY OF
CHINA ,LTD.
Shenzhen, Guangdong, China — July 2005 ­ December 2010
Capital and transaction system owner.
Attend all lifecycle management for the capital and transaction system including analyzing
requirement, design, development, integration test etc.
Accomplishments
● Upgrade capital manage system.
● Accomplish transaction automatic.
● Accomplish online payment.
● Accomplish Reconciliation between enterprise and bank.
PROJECTS
Private modular cloud monitoring platform
Apr 2015 ­ Obj 2015
An multi­tenant cloud monitoring platform based on openstack monasca. It can collect metrics and
evaluate the threshold for alert, meanwhile visualize the metrics diagram and chart.
Responsibilities
● Investigate several similar open source product such as ​openstack monasca​, ​bosun­monitor​,
beats​, ​kapacitor​.
● Build the prototype based on monasca.

4. ● Lead development progress.
Cloud builder professional service
Nov 2015 ­ present
An automation cloud platform deployment tool based on IBM ICO, IBM workflow, openstack HEAT.
Responsibilities
● Develop the standard cloud VM provision/deprovision/modify/reboot workflow.
● Develop the automation deployment tool based on pyflow.
Cognitive build
Apr 2016 ­ Aug 2016
A creative product which use github, stackoverflow to recruit programmer. Use IBM watson which is a
cognitive service to create a robot.
Responsibilities
● Investigate IBM watson service and spark.
● Build the prototype.
Hyperledger fabric
Jun 2016 ­ present
A blockchain platform for user to build their own blockchain application.
Responsibilities
● Contribute from official community.
● Create fabric­java SDK.
● Build blockchain application prototype.
TENG NIU WANG p2p net loan
Sep 2014­ Jan 2015
A p2p platform which is named TENG NIU WANG. The background is that it is a p2p platform which is
invested by CITIC. It includes investment, money management, assignment of debt, recharge,
withdraw, bind bank card, identify verify core business functions. As senior consultant, I participating
totally three terms development and make it launching successfully on Oct, 2014.
We use a front and back end separation framework, angularJs for frontend, jersey, spring and jpa for
back end.
Responsibilities
● Build the backend development framework and build CI environment.
● Develop the core features business logic.
● Develop all the 3rd party interface.
Mercedes­Benz Connect
May 2013 ­ present
The next generation telematics service for Mercedes­Benz and VOLKSWAGEN. It offers several
telematics services such as E­CALL,I­CALL,R­CALL, POI, remote door lock/unlock, freetext etc. The
architecture is based NGTP(next generation telematics patterns), and use several commercial product
including Oracle BRM, SIEBEL, BIEE also some open source technologies such as spring, hibernate,
jboss and so on. The system successfully launched from Oct,2013.

5. Responsibilities
● Assist US team to develop web­based application including several internal and external portal
site.
● Assist US team to develop web­based front gateway for exposing internal web service safely.
● Monitor the whole system using some tools such as OpManager, ZENOSS.
Nissan North American Dealer Business System
December 2010 ­ May 2013
The project is a large scale dealer business system in automobile industry. The contract is worthy of 20
million dollars and we have a large team which consists of almost 80 members spreading over five
locations.
The business background is that our customer NISSAN NORTH AMERICA would like to upgrade their
old system and want to use latest industry standard 'STAR' to reduce IT cost and improve
competitiveness in market.
It is made up of several business modules 'PARTS','VEHICLES','SERVICE','ADMIN' and 'FINANCE'
which almost cover all the areas in auto sales industry. We provide a comprehensive solution including
several sub­system ' UI libraries', 'Batch framework', 'Integration middleware', 'Web application'. We
use many open source technology such as richfaces, primefaces, spring, spring web flow, hibernate,
spring batch ,spring integration and commercial production IBM WESB,IBM
HOSTBRIDGE,MICROSOFT BIZTALK.
Because the project lifecycle is long, we adopt traditional plus agile method to manage our project, we
make a good working between a large distributed team.
Responsibilities
● The owner of the sub­project which is a high customize JSF components library.Design and
develop all the common JSF components.
● The UI owner of the whole project. The responsibility is that according to the Style guide which
is provided by front­end designer, use css, javascript and Html to define the style of the whole
system.
● The developer of IBM WESB team. Develop some interfaces with IBM WESB.
● The responsibility is that building the prototype and framework for a sub­project.
Reconciliation between enterprise and bank
December 2009 ­ December 2010
It is a module for CMS. Its main function is to achieve financial reconciliation between enterprise and
bank. Its operation process is uploading the bank reconciliation file or getting bank flow from a
transaction system ,and using ETL to synchronize voucher data from company's oracle financial
system. There is a procedure to automatically match the bank flow and of voucher according to date
and amount. After the automatic matching, the operator can manually match the rest. It will product a
balance adjustment report last. The checker will check and approve the report. Mainly use PAFA3
framework which is developed by our company. Use oracle memory table to achieve automatic
matching. Use ETL to synchronize mass OF voucher data. Achieve several file parser such as csv and
txt to handle various bank file uploading. Use jquery plugin to achieve manual matching.
Responsibilities
● The system designer of the project, write design documents for all the functions.
● Be responsible for developing file uploading and parsing framework.
● Be in charge of developing financial data synchronization framework with ETL.
● Be in charge of developing manual reconciliation UI component.
● Be responsible for code review and unit test.

6.
Automatic transaction
July 2008 ­ August 2009
In order to save costs and reduce manual operation, through the automatic mechanism to complete all
the transaction link including getting transaction data from many business system, according to
agreement and proxy to product bank file, sending file to bank, receiving bank response file, notifying
business system. Mainly use PAFA3 framework which is developed by our company. Use strategy and
task table to achieve automatic mechanism. Use quartz to execute timing task.
Responsibilities
● The member of designer team, participate in automatic mechanism design.
● Be in charge of code review.
Capital manage system upgrading
July 2006 ­ May 2008
Because our company's framework upgrading from PAFA2 to PAFA3,all the system have to
update.PAFA2 is a delegate+EJB development pattern, and PAFA3 is a controller+service pattern.
Mainly use PAFA3 framework which is developed by our company. Use oscache to cache user data.
Achieve internationalization. Use html to replace jxl for importing report.
Responsibilities
● The core developer of the project and be in charge of developing several core modules.
● Be in charge of code review and unit test.
● Be in charge of developing common custom jsp tag and common asynchronous mail
framework.
Fund flux forecast and analysis
August 2005 ­ June 2006
In order to achieve the group fund pool, fund department must grasp accurately each subsidiaries fund
situation. Through effective forecast and analysis ,group can improve fund usage and reduce fund risk.
Mainly use PAFA2 framework which is developed by our company. Use configure table to achieve fund
flux calculation rules. Use temporary table to solve mass data query.
Responsibilities
● The developer of the project and be in charge of developing all the functions.
● Be in charge of code review and unit test.
LANGUAGE
English:
Listening & Speaking(Good) , Reading & Writing(Good)
CET­4