Derek W

P ROFI L E I am seasoned, forward-looking full-stack engineer with 10+ years of background in creating and executing innovative software solutions to enhance business productivity. Highly experienced in all aspects of the software development lifecycle and end-to-end project management, from concept through to development and delivery. Derek Wang Senior Full-Stack Engineer CO N TACT E-Mail- Skype live:raisupdewold Portfolio raisupdewold.github.io Home Address 56-66 Nga Tsin Long Rd, Kowloon City, Kowloon, Hong Kong 999077 F O L LO W ME As a senior full-stack engineer, I am a confident communicator, strategic thinker, and innovative creator to develop software that is customized to meet the company’s organizational needs, highlight their core competencies, and further their success. My main programming languages are JavaScript, C#, Swift, Java, and SQL. I have a Master’s Degree of Computer Engineering from the National University of Singapore and a Bachelor’s Degree in Information Technology from the Syscoms Institute. I am always interested in challenging new languages, solving difficult problems, and hurdles so outside of work, I spend most of the time on StackOverflow and HackerRank. ** I won the “Problem Solving (Intermediate)” certificate on HackerRank on Sep 2020. WORK EX PE RI E NC E Freelance Software Engineer, Self-Employed, Hong Kong, 06/2020 ~ Present - Build front-ends using Angular, React, VueJS and EmberJS. - Build back-ends using ASP.NET Core, ExpressJS, Flask and - SpringBoot. Build native mobile apps using Swift/Kotlin, ObjC/Java and hybrid mobile apps using Ionic, Xamarin and React Native. Build graphic web interfaces using FabricJS, MxGraph, ThreeJS, D3.JS and PixiJS. Build desktop apps using ElectronJS, Delphi, QT and WPF. Manage services using AWS and GCP, DigitalOcean. Lead Software Engineer in TechPuree LLC, Hong Kong, 03/2018 ~ 11/2020 Linkedin linkedin.com/in/raisupdewold Stackoverflow stackoverflow.com/story/raisupdewold Hackerrank hackerrank.com/raisupdewold - Build AWS Lambda functions based on NodeJS, ASP.NET, Python or Java. - Build hybrid mobile apps using React Native and Xamarin. - Build cross-platform desktop apps using ElectronJS and QT. - Setup and managing windows servers on Amazon using EC2, EBS, ELB, SSL, RDS and IAM. - Build CI/CD pipelines using CircleCI, Jenkins, GitLab and AWS CodePipeline. - Responsible for build and deployment automation using Chef and Docker containers. S K IL L S Nodejs Senior Developer in Zensis Limited, Hong Kong, 01/2016 ~ 05/2018 - Create RESTful API endpoints using ASP.NET Core and Flask. - Write unit tests using Jasmine, Jest and Mocha/Chai. - Build hybrid mobile apps using React Native and native mobile apps using Swift. Asp.Net Core - Build graphic UIs using D3.JS, FabricJS, ThreeJS, Two.JS and PixiJS. - Refactored outdated web apps using Angular/React/Vue and EmberJS. Angular Senior Software Engineer in Tagit Pte Ltd, Singapore, 09/2015 ~ 01/2018 - Improved legacy frontend by replacing it with Angular, React Reactjs or VueJS. - Refactored the application to incorporate with micro service with Spring Boot, Java and AWS Cognito. Vuejs - Build back ends using ExpressJS and ASP.Net Core. - Build mobile apps using Cordova, PhoneGap and Ionic. - Worked in the scrum process attending daily stand-up and completing tasks in sprints. React Native Full Stack Engineer in Cloud Enterprises FZ LLC, Dubai, 02/2013 ~ 04/2015 - Build back-ends using CodeIgniter, Spring/Struts/JSF and Swift Amazon Web Services - BackboneJS. Build CI/CD pipelines using Jenkins, Docker, CircleCI, Kubernetes and custom scripts Develop mobile apps using Objective-C and Java. Assist in management, maintenance, and automation of various AWS deployments. Frontend Developer in PowerCreator Info&Tech Co. Ltd, Beijing, 07/2010 ~ 05/2012 CE RT I FI CAT E S Problem Solving (Intermediate) hackerrank.com/certificates/2f2b0bc0d0af - Build dynamic websites using AngularJS. - Build Html email templates and newsletters for campaigns. - Creating modular, responsive templates using Bootstrap and - jQuery/ExtJS. Conducting A/B testing to identify bugs and UI improvements. E DUCATI ON Systems Institute, Bachelor’s Degree, Abu Dhabi, 2012 ~ 2014 Learned cloud computing and project management. National University of Singapore, Master’s Degree, Singapore, 2005 ~ 2010 Learned programming languages and database system.