• Senior React and React Native at Caidr (Contractor - Remote)

Time: August 2021 - now

Location: Ho Chi Minh, Vietnam

Tech stack: ReactJS, NextJS, TailwindCSS, React Native, Jest, React Testing Library, Restful API, Firebase, and Git.

Tools: Webstorm, Xcode, Android Studio, Zeplin, JIRA, and Slack.

What I did: 

• Collaborate with the Project Manager and Backend teams to answer technical questions and clarity on requirements.
• Build an entire greenfield website with NextJS, ReactJS and deploy it with Vercel.
• Integrate a REST API to display search content in a paginated format. Customers can use card payments on the website, including Apple Pay/Google Pay on mobile, with Stripe. The site also offers user profile management, order history, print order receipts, and Firebase Authentication (sign in with Google, Apple, or Email).
• Improve SEO by using Service-Side Rendering (SSR) or Static Site Generation (SSG) from NextJS, using correct semantic HTML tags, creating a sitemap.xml and providing proper information for meta tags.
• Ejecting an existing Expo React Native application to bare project in order to add features that require native code, which are Stripe payment and Firebase Authentication with Native SDK.
• Transform the Zeplin design into interactive, responsive web and mobile apps.
• Unit tests and snapshot testing are mandatory.

• Senior React and React Native at ORKESTRO

Time: March 2019 - February 2020

Location: London, United Kingdom

Tech stack: ReactJS, React Native, NodeJS, WebSocket, Restful API, Firebase, GraphQL, Elixir, RabbitMQ, and MongoDB.

Tools: Webstorm and Slack

What I did: 

• Take full control of the Driver app, which was built with React Native, and do bug fixes and small improvements.
• Fully redesign the Dashboard with a list of thousands of orders and tracking orders/driver navigation status on Google Maps.
• Integrate the REST API to submit orders, get delivery quotes, user authentication, manage users/merchants/drivers/operation teams profile and dashboard settings.
• Real-time showing a list of orders using Websocket, with optimal performance for thousands of orders with real-time updates, a searchable and scrollable list. This improves productivity for the Operation team.
• Adding an Order Chat feature, where drivers, merchants and operations can communicate about issues related to a particular order.
• Unit tests and snapshot testing are mandatory.

• Junior/Senior React and React Native at PYCOGroup (Contractor)

Time: May 2017 - January 2019

Location: Jakarta, Indonesia | Bangkok, Thailand | Hanoi, Vietnam

Tech stack: React Native, React Native for Web, GraphQL, Redux, Jest, Enzyme, and Git.

What I did: 

• Partnered with the McKinsey team to build a multinational team for client. We worked with Agile 2-week sprints.
• Building a landing page where customers can view information about the program and interest rates calculator.
• A back office website to manage user applications, which included steps with forms and document files.
• Building term deposit and third party integrations for Customer support (Chat and Email).
• Backend integration with GraphQL.
• Building a progress gauge component with animation.
• Implement the UI from the design on Zeplin that works both mobiles and website with same code base. Calculate interest rate based on inputted data. Show a list of term deposits, create new ones, view details, and delete them.
• Join other squads to do bug fixes and improvements.
• Unit tests and snapshot testing are mandatory.

• Senior Flash and Unity3D Game Developer at Skoolbo

Time: July 2014 - September 2015

Location: Ho Chi Minh City, Vietnam

Tech stack: Flash ActionScript 3, HTML5, Restful API, Unity 3D C#, and Git.

What I did: 

• Create a simple quiz game for children using Flash (ActionScript 3) and then convert it to HTML5 to run without Flash.
• Take advantage of the opportunity to work with Unity 3D, which primarily focuses on 2D user interfaces and bug fixes.

• Junior/Senior Flash Game Developer at BTS

Time: March 2011 - April 2014

Location: Ho Chi Minh City, Vietnam

Tech stack: Flash Actionscript 3, Socket, C#, Java, MySQL, and MSSQL

What I did: 

• Develop 5+ new games using the existing architecture that are successful and generate revenue for the company.
• Bug fixes and improvements for existing games.
• Mentoring new team members.
• Join a core team to design a new architecture that improves performance and creates a cleaner architecture.

Walter's Currency Converter

Publish date: 12 October 2018

• Manage food orders (for my parents in Vietnam to process orders).

  To receive food delivery orders from Grab, ShopeeFood, BAEMIN, Gojek, and Loship (sniffing their network requests), integrate with a printer to print out the orders, including reports for revenue and the number of sold items.

• 2008 - 2010: APTECH High Diploma Certificated Computer Professional

• 2015 - 2016: CoderSchool - iOS Swift Saigon Bootcamp

• 🇬🇧 English: Intermediate

  IELTS UKVI Certificate with band score: 5.5 (B2 - Upper Intermediate)

  (Listening: 6.5, Reading: 5, Writing: 6, Speaking: 5)

• 🇻🇳 Vietnamese: Native language

• 1st Winner of Jenius Hackathon

  • Time: July 2017
  • Location: Jakarta, Indonesia

• 1st Winner of Coderschool demo day

  • Time: January 2016
  • Location: Ho Chi Minh City, Vietnam

• Barcamp Saigon (Nov 2015)

• Teacher Assistant at Coderschool (Mar 2017 iOS course)