Daniel Leng Email & Phone Number

Singapore

Singapore

Singapore

Singapore

Penang, Malaysia

1. Built custom, mobile-ready websites from scratch for clients from multiple diverse industries:- https://innoelement.com- https://sam-kam.com- https://www.unitedmalayanflour.com- https://www.cereal-products.com- https://www.kgvegetableoil.com2. Design & custom development services for a Magento 2 e-commerce site:- https://www.hobisports.com3. Design, bug fixing, and administrative services for Wordpress-based websites:- https://www.tce-sports.com- https://axischiropractic.com.my4. Performance analysis and enhancements for Wordpress-based website: tce-sports.comImproved overall website performance and responsiveness by reducing home page load time from ~2 minutes to ~15 seconds. Improved GTMetrix PageSpeed and YSlow scores by up to 40%.5. Built an Electron.js desktop application for managing transactions and client debit/credit for a currency exchange business.6. Fullstack Node.js developer for https://www.get-trip.com/

Kuala Lumpur, Malaysia

Provided Level 3 technical support for customers of the following Atlassian products: JIRA Core,JIRA Software, JIRA Service Desk using a variation of Kepner-Tregoe’s Analytic Troubleshooting methodology.Primary experience:1. Troubleshooting and resolving enterprise-scale JIRA performance problems by analysing memory and CPU usage trends, and also analysis of a variety of specialised JAVA-based application logs, including: heap dumps, thread dumps, garbage collection logs and JProfiler snapshots.2. Remotely debugging JAVA stack traces and exceptions using Jetbrains' IntelliJ IDE.3. Troubleshooting Apache HTTP reverse proxy servers.4. Troubleshooting SSL encryption for JAVA-based web applications.Other work experience:1. Created a technical assessment test for a team of 20 people in order to identify technical gaps in the team.2. Mentor role for 3 junior engineers. Focused on getting junior engineers to speed in terms of technical knowledge and customer-facing soft skills.3. Co-developed an operational statistics wallboard using Dashing.io (Ruby-based) framework for displaying support team data. 4. Provided various brownbags and workshops on technical topics: Remote Debugging JIRA with IntelliJ IDE, JIRA Data Centre setup and troubleshooting, JIRA application performance troubleshooting, Customer-handling tips and tricks, troubleshooting methodology.

Penang, Malaysia

Worked on two internal projects:1. Time sheet management software: improved company’s time sheet management software, which is a Java-based command line program for processing Microsoft Excel-based employee timesheets and producing reports. Improvements include: JFreeChart integration, created a GUI for non-technical users, and various bug fixes.2. Training Management system: Automated company’s internal training management system by developing a web-based application from scratch using the Sencha ExtJS4 framework, where employees can log in to organise trainings, clock in attendance, review past trainings, and check for future trainings. Also wrote Administration and User documentation for the system.