Being a store owner and professional seller on Amazon.

• Developing the APIs for the Seller Dashboard and Buyer Checkout.• Integrating with couriers like J&T Express, Flash Express, and Kerry Express.• Developing the webhooks to receive the tracking status and push them to the internal system via gRPC.• Building a service to generate the waybill in PDF format.• Writing unit tests.

• Building a platform to support sellers and buyers in apartment complexes to sell food & drink or any products in one place.• Setting up the live-streaming server by using Nginx RTMP & FFmpeg.

• Developing an Amazon scraper tool for scraping products, ranking, reviews, prices, and ASINs. Crawl and extract product data based on keywords.• Developing a tool to generate product mockups and create an Inventory File to upload to Amazon.• Developing a Chrome extension to sync Amazon orders and inventory to Google Sheets.• Developing a Chrome extension to fill the draft order on Shopify.• Developing a backend to receive Amazon orders via MWS API and push them to the partner.

• Refactoring and optimization of old parts of the code base.• Building 123Phim Movie Ticketing Platform, APIs for partners, mobile and internal teams.• Integrating movie ticket booking with Galaxy Cinema via Vista Cinema Ticketing - a fully customizable cinema enterprise system. Also working with BHD Cinema, Mega GS Cinema, and Cinestar.• Integrating payment gateway 123Pay, MoMo, and Payoo.

• 123Phim backend & web frontend for movie ticketing. Debugging and implementation of new features.• 123Mua mobile web app.• 123V eCommerce tech platform development.

• A startup project, the review hub for food and beverage.• A piece of social news, a community with daily coverage of everything new in gadgets, science, and consumer electronics.• Developing a social news website using WordPress.