FullStack Developer

DevOps 5 years
Java 5 years
Vue.js 3 years
Node.js 3 years

Jerry is a Full Stack Developer with over 10+ years of experience in delivering proven IT solutions for leading MNCs, in multiple industry domains (Banking and Finance, Manufacturing, Consulting, and Telecommunications). He has worked in USA, Singapore, and the Asia Pacific region playing different roles like Full Stack Developer, DevOps, Software Engineer; using technology stacks such as Java, Swift, PHP, MySQL, Oracle, JavaScript (Node.js, Angular, MongoDB, Bootstrap), blockchain/Ethereum/Solidity, dApps, web3.js, and AWS. He has worked with Sears Canada, FUTURE First/Asia insurance system, and PFIZER in the USA.


Positive Attitude
  4.9 / 5
Team work
  4.8 / 5
  4.8 / 5
  4.9 / 5
Problem Solving
  4.9 / 5
  4.8 / 5


English communication
  4.9 / 5
Past work clarity
  4.7 / 5
Client interaction experience
  4.8 / 5
  4.7 / 5
Open to learning
  4.5 / 5
Open source contribution
  3.0 / 5




  • First Performance Web/Mobile Applications

    Lead Full Stack Developer

  • IBM Enterprise Applications (order, procurement, and distribution management)

    Lead Application Developer

    JavajavascriptSpring (MVCjspservletJDBC)jQueryajaxweb servicec++vbunixcontrol-mOraclePl/SQLJSON

    Led the full SDLC of the SPRINT-USA and Sears Canada projects that transformed a thick client-based Visual Basic & C++ applications to web-based Java/EE application. Led the delivery of managed services for open systems to clients that provided benefits such as
    i) 10-15% improved quality and productivity;
    ii) faster time to market;
    iii) dynamic mobility of work drives lower cost and risk;
    iv) faster response to business needs.

  • NTUC Income Insurance System

    Java Developer

    JavaSpringHibernateSOAPOracleVBA macroUnix

    Led the implementation of FUTURE First/Asia insurance system which is a next-generation policy administration system. It is a powerful object-oriented, real-time web-based solution that supports full administration of both group and individual life and health products, annuities, LTC, DI and non-insurance offerings.

  • 2C2P Payment Processor

    Senior Software Engineer

    JavaASPC#.netMSSQLIISOraclePl/SQLVisa 3dHardware security moduleBalsamiqUnix

    Using 3D secure protocol, developed and implemented the Access Control Server (ACS) system and Merchant Plug-in .NET application for UOB that significantly increased customer confidence in e-commerce payments. Led and managed the Mobile and Internet Banking system of Singapore Banking Corporation that enabled customers to have anywhere, anytime access to their bank accounts.

  • Starhub Billing and CRM Projects

    Senior Systems Analyst

    JavaJSPServletInformaticabscs iXUnixQuartzWeb ServicesOraclePl/SQL

    Led the full SDLC of Billing and CRM projects in StarHub that contributed to increasing ROI. The delivery of projects was significantly improved through the implementation of quality standards such as CMMI, Agile, Test Quality Management, and ITIL.
    Led the feasibility study, proposal development, prototyping, and full SDLC of an enterprise data model/architecture that resulted in increased productivity and better data reliability to the business. Involved in the data integration initiative that consolidated data from different source systems into a single data
    repository for standardization and reporting purposes.

  • Motorola Supply Chain Management Project

    Senior IT Business Systems Analyst

    OraclePl/SQLInformaticaVba Macro

    Led and managed the full SDLC of Supply Chain Management Projects (including Integrated Motorola Advanced Planning System (IMAPS), Enterprise Data Warehouse) that resulted in significant savings on the operations planning (demand and supply chain) process.
    Led and managed the full SDLC of the Performance Tuning project that resulted in on-time delivery of daily reports to business vis-a?-vis a delay of 2 hours per day previously. Implemented various web-based Enterprise Information Management (EIM) portals that provided greater reliability, flexibility, and self-service capabilities, thus raising customer satisfaction level. Effectively adopted various methods of Digital Six Sigma quality standards, CMMI, and ITIL in various projects that resulted to reduced application defects.

  • Consultancy Projects (finance, manufacturing, Data Warehouse, OLAP)

    Senior IT Consultant

    JavaInformaticaOLAPPerlUnixShell ScriptsOraclePl/SQL

    Successfully implemented and supported the e-Business Information Tool (EBIT) and Partner Data Warehouse (PDW) for HP Imaging and Printing Group which enabled informed business decision-making on channel performance, partners, and reseller sell-out performance.
    Led and implemented the Asia-Pacific Call Center Data Warehouse for HP Personal Systems Group that helped in increased volume of sales opportunities and orders for the call center operations.
    Successfully implemented the DB-Direct corporate banking solution for Deutsche Bank that resulted in:
    - Efficiency in conducting the cash management transactions of the business. Secured reports have also resulted in the better trust of the business.
    - Significant reduction in maintenance costs, and increased system flexibility and scalability.

  • Pfizer Enterprise Supply Planning System

    Programmer Analyst

    ManugisticsUnixShell ScriptsCrontabCC++. Oracle Pl/SQL

    Successfully developed and implemented the Enterprise Supply Planning (ESP) and Y2K migration for PFIZER in the USA that resulted in better resource planning and supply chain management, hence, significant costs savings for the business. Replaced legacy mainframe jobs with Oracle-Unix-based systems that significantly reduced maintenance costs.