Len Packer Email & Phone Number

Madison, Wi, Us

Madison, Wi, Us

Courbevoie, Ile De France, Fr

• Developed client application for Law Enforcement to integrate with mobile drive license via blue tooth protocol. (JWS/JWE encryptions, Spring Boot, Spring MVC).• Refactored Consumer Provision Service to integrate with AWS Secrets Manager for accessing DB Connections Credentials (AWS, Spring Core, Spring MVC).• Implemented notification logic in Consumer Provision Service with AWS SNS.• Implemented consumer’s authentication logic utilizing Kong JWT plug-in (REST, Kong, Spring Boot, Spring MVC)• Developed API Documentation using Spring MVC Integration for Swagger.• Designed and developed system monitoring service that sends alerts in the event of API failure in the form of e-mail or SMS message (Spring Boot, Hibernate, Velocity, Twillio API).• Secure REST endpoints of the application service layer with Keycloak SSO with token authentication logic.• Designed and developed micro-services to research failed REST API calls based on Elastic Search Correlation ID (Spring Boot, Spring MVC, REST, Elastic Search, Angular JS).• Designed and developed Consumer Account Management micro-service to provision and control consumer API access (Angular JS, REST, Sprint MVC, Hibernate).• Designed and developed Consumer Dashboard Portlet to provide a graphical representation of the API access and utilization by device (Angular JS, REST, Elastic Search, Spring MVC).• Designed and developed micro-service to monitor system performance by accessing the data feed from Ganglia API and issue an alert in case of any of the run-time parameters exceeds allowed freehold.• Developed a serverside component to integrate the suite of the J-Meter test cases with TestRail.

Danvers, Ma, Us

• Designed and developed Logistics Module for handling master stock management and final product distribution between production facilities. (Smart GWT, Hibernate, Tomcat) • Implemented Finished Goods Inventory Management Systems integrated with Oracle ERP.• Implemented REST API between Product Development Platform and JIRA• Designed and developed Kit Management System. Used Google Analytics to track application usage. (GWT, Hibernate, Tomcat)• Designed and developed Bulk Order Entry system for uploading restocks orders received in the flat file format into the Oracle ERP. (GWT, Hibernate, Tomcat)• Designed and implemented Shipping Administrative application to handle printing of all of the order related documents and materials. (Smart GWT, Hibernate, Tomcat)• Implemented Protein Target Management system that used by the scientists and target selection committee to identify potential protein targets for the antibody’s development. (Struts, EJB, Hibernate, J-Boss)• Provided ongoing maintenance and support to an existing legacy scientific product development platform. (Swing, J-Goodies, Tomcat)• Designed and implemented multiple Bill/Ship functionality for company’s e-commerce site including an Order Administration Application. (Struts, Spring, Hibernate, J-Boss)• Converted Product Development Platform build process from Ant to Gradle.

Boston, Ma, Us

• Participated in the design and development of the on-line loan application system based on the MVC design pattern in J2EE environment utilizing Spring, Hibernate and Castor frameworks.• Designed, developed and tuned Hibernate Queries to retrieve the data from Oracle database.• Designed and developed JUnit test cases to test various subsystems of the J2EE based application. • Maintained and support the data validation middleware layer build using Struts framework.• Responsible for managing automated build process on the Cruise Control.

Us

• Designed and implemented an interfaces to various medical centers, to allow on-line access of patient’s medical records by their physicians. The project utilized Java, XML, XSL:FO, SQL and HTML technologies.• Implemented Java parser to parse hospital’s HL7 feed into the proprietary XML format.• Designed and implemented Java PDF reader based on PDF Box API to extract patient’s medical data out of the lab reports into the XML document.• Designed XSLT style sheets to convert XML into the HTML transcription reports that could be viewable by doctors on-line.• Redesign logging functionality of the existing API(s) using Log4J. • Designed and developed lab interface to gather lab data out of multiple laboratories and to produce cumulative output in PDF format. The project utilized “eXist” XML database.

Boston, Ma, Us

• Designed, developed and deployed customization plug-ins utilized for validation footwear raw materials data utilizing Java and JSP technologies.• Responsible for design and development of an interface utilized to import an inter-national apparel sale from CAMP into the PLM systems. The project involved utilization of Java and SQL technologies.• Designed and developed reports for trucking domestic and international apparel sales utilizing JSP and SQL technologies.• Developed customization software that allows tracking the changes made to the footwear raw material in the Oracle database utilizing Java and SQL.

• Participated in designed and implementation of the vacation package infrastructure that allowed users to book vacation packages on-line from multiple vacation vendors. The project involved utilization of EJB, J2EE and Java technologies.• Designed, developed and implemented credit card authorization service in Java environment. The software used SSL protocol to transfer data between the client application and the financial institution.• Designed and developed Carnival API in Java environment, used by agents and e-commerce web sites to sell inventory of Carnival Cruise Line. Utilized Castor gener-ated objects to transfer the data between client’s side application and middleware software layer.• Participated in design, development and implementation of the on-line booking engine. • Designed and implemented a confirmation E-Mail service. The project involved utilization of XSLT and HTML technologies.

• Developed GUI front-end for a Warehouse Management client/server application utilizing PowerBuilder 6.5. Created non-visual user objects, including internal functions. Built an interface, based on standard objects inherited from own class.

• Designed and Developed propriatory Client Server Applications to support business of the insurance company in SQL Windows environment.

• Designed and Developed Client Server Adjustment database to track company’s error processing in PowerBuilder 5.0, Sybase 11, SQL Environment. Project includes design of front-end screens in PowerBuilder, and back-end database in Sybase.