Experience

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  St electronics

  Feb 2009 - Dec 2014

  Software engineer

  • Air defence simulation system project1. In waterfall development cycle, took ownership of the geometry module which includes code migration to new system, code enhancements using C++, Tibco framework, MySQL2. Developed a password encryption program using core java as utility tool used by development team3. Took on team lead role for System Administrator (Software) team. Plan software upgrade and operating system patching schedule, evaluate software products, wrote Linux scripts to automate the software upgrade process Show less

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  Iras

  Feb 2015 - Feb 2017

  Infocomm specialist

  • Test automation framework project1. In agile development cycle, worked with 3 vendors to migrate the existing test automation framework from java to C# within 3 months. The new test automation framework was adopted by the team to build test automation scripts2. Help to establish code governance guidelines and setup team foundation server (TFS) to help in software code versioning across UAT, production environment

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  Accenture

  Apr 2017 - Jun 2019

  Senior java developer

  • Data migration project 1. Build and deploy backend java application that integrate with IBM custom bulk import tool to perform daily ETL migration of 130 million archived documents and its meta data to IBM FileNet content repository. Design database column fields using Oracle and the migration tool was running in Linux environment 2. Improve the performance of the migration processing by splitting the archived documents in small batches to process, increasing java heap size. With the improvement, the bulk import tool uploading time took a shorter time (160 documents took 4 mins++ as compared to 25 mins) Show less

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  Govtech singapore

  Jul 2019 - Jun 2020

  Senior developer/product manager

  • Product innovation team1. Contributed to the development for Map viewer of hot spot areas for covid cases using Cesium, C#, MongoDB

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  St engineering satellite systems

  Feb 2021 - now

  Senior engineer

  • Satellite Systems project1. Improve GUI layout to have consistent displays and reduce whitespaces between panels, code enhancements using C# WPF and WCF2. Proposed GUI automation testing tool Ranorex to the team. Evaluate, purchase, deployment, and configuration of Ranorex for the team to incorporate GUI automation testing as part of software testing process3. Evaluate, purchase, deployment, and configuration of log and network monitoring tool (Log360 and PRTG) for onsite servers and workstations. Help the team to retrieve and view application and security logs, audit user account login history, monitor server and workstations network health and be notified of any critical state4. Perform vulnerability scanning for onsite servers and workstations using Nessus. Achieved zero critical and zero high vulnerabilities result5. Apply OS hardening rules for onsite servers and workstations to safeguard from intrusion attacks Show less