Zhendong Chen

Principal Software Engineer at Commonwealth Informatics Inc
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Contact Information
Location
Rockville, Maryland, United States, US
Languages
  • English -
  • Chinese (Simplified) -

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Experience

    • United States
    • Software Development
    • 1 - 100 Employee
    • Principal Software Engineer
      • Feb 2022 - Present
    • Germany
    • Chemical Manufacturing
    • 1 - 100 Employee
    • SPEC ADVANCE SOFTWARE ENGINEER
      • Jun 2013 - Mar 2022

      Create a new Code Confidence Microservice with Kubernetes and spring cloud on AWS EKS Design automation of machine learning model training solution on AWS for the NLP engine with AWS Step Function and Sagemaker with CDK Serve as a technical leader for a five-person team in a scrum-based agile methodology Providing technical insights to the product owners Transforming requirements from product owner into sprint backlogs Troubleshooting and exploring technical challenges for team members Mentoring and code reviews for team members Designing and leading the implementation of an AWS based auto-scaled rule test developer NLP engine with Simple Queue Service, Auto Scaling Group, Elasticache, Parameter Store, S3, and DynamoDB as restful service and with Anuglar.js and Typescript as the web client. Designing and leading the implementation of the NLP engine including rule-based engine and machine learning engine. Designing and leading the implementation of a Finite State Machine to handle the CPT measurement problem. Designing and leading the implementation of the Rapid Content Release system help Subject Matter Expert writing coding rules, and invent the method allowing SME incremental development of the content with the specially designed JSON data structure. Maintain the ensemble machine learning model as a part of the Natural Language Processing framework. Exploring the new machine learning models for medical document handling Designing and leading the implementation of a computer-assisted medical coding system implemented with polyglot microservice architecture. Mainly working on JEE, Spring Framework, Vert.x, Node.js, Golang as a backend, and JQuery, backbone.js, React.js as a front end. Designing and leading the implementation of a solution based on AWS cloud API for dynamic scaling Designing and leading the implementation of the ‘Datascout’ project, a SOA-based, searching and analyzing medical record with Rest web api and Mongodb. Show less

    • Pakistan
    • Appliances, Electrical, and Electronics Manufacturing
    • 1 - 100 Employee
    • Implementation Leader
      • Jan 2013 - Jun 2013

      Design and implement a web portal for Veteran Affair Office Design with SOA and Restful interface with Oracle, Hibernation, Weblogic, and Portlet Technical Leader of 7 persons team and server as Scrum Master Design and implement a web portal for Veteran Affair Office Design with SOA and Restful interface with Oracle, Hibernation, Weblogic, and Portlet Technical Leader of 7 persons team and server as Scrum Master

    • Senior Software Engineer
      • May 2006 - Dec 2012

      Developing distributed SOA applications for handling large datasets such as address coding, Geographic Intelligent coding. System is built-in RESTful & SOAP Web Services and can connect different databases such as SQL Server, Oracle, etc. Products are deployed on eight different platforms, NT, Linux, Solaris, HPUX, AIX, etc. J2EE, Spring Framework Development, Object-Oriented Design Served as Scrum Master for a people team Perl, C/C++ Library Development .NET Windows Application and UI Development Show less

    • United States
    • Advertising Services
    • 700 & Above Employee
    • Solution Developer
      • Jul 2004 - May 2006

      1) Data Solution and Object Oriented Design 2) .NET, Java, Perl and Shell Programming 3) Oracle Database Administration and Development 4) Huge Data Set (Billions of Customer Records) Handling and Complex PL-SQL and T-SQL Development experience 5) Security policy development and Encryption and Decryption Application experience 6) Served Clients: Target, Lowes, Ralph Lauren, Citi Bank, Gucci … 1) Data Solution and Object Oriented Design 2) .NET, Java, Perl and Shell Programming 3) Oracle Database Administration and Development 4) Huge Data Set (Billions of Customer Records) Handling and Complex PL-SQL and T-SQL Development experience 5) Security policy development and Encryption and Decryption Application experience 6) Served Clients: Target, Lowes, Ralph Lauren, Citi Bank, Gucci …

    • United States
    • Software Development
    • Programer
      • Jul 2003 - Jul 2004

      1) UML & OO design, .NET & J2EE Development, Database Design 2) Arkansas Times Article Management System. (with 6 sub-system: User Management, Content Management, Banners Management, News Letters Management, Feedback Management, Full Text Search Engineer, http://www.arktimes.com) 3) National Bank of Arkansas Mortgage System. 4) Three Online Stores (with credit card online payment and SSL): Bobrobbins, Scrub Bug Uniform, Overkill Hunting Store 1) UML & OO design, .NET & J2EE Development, Database Design 2) Arkansas Times Article Management System. (with 6 sub-system: User Management, Content Management, Banners Management, News Letters Management, Feedback Management, Full Text Search Engineer, http://www.arktimes.com) 3) National Bank of Arkansas Mortgage System. 4) Three Online Stores (with credit card online payment and SSL): Bobrobbins, Scrub Bug Uniform, Overkill Hunting Store

Education

  • University of Arkansas at Little Rock
    Master, Computer Sciense
    2001 - 2003
  • Shanghai Jiao Tong University
    Master's degree, Materials Science & Structure Engineer

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