- Participated in projects with the team at the company, working with WordPress technology, completing and launching unimplemented projects: MM Mega Market, Happy Leader. Additionally, developed HR management and sales management websites using PHP for units such as MM Mega Market and Happy Leader.- Used Swagger Editor to write API design documentation for the Laravel project of Bakers' Mart Nhật Hương and developed APIs for Bakers' Mart Nhật Hương's systems.- Joined the project team to build a WinForm C# software for Sotrans' warehouse, used for measuring the volume, load capacity of container trucks, and the number of containers shipped. Also, analyzed and optimized data using Python and generated reports.- Adjusted core code for application systems using C#.- Developed HTML5 games using PHP and GDScript for gaming applications.- Handled socket and polling features for Alibaba.- Utilized data visualization technology and designed Workerman for distributed systems and cloud infrastructure for AliExpress.

+ Resolving API issues related to Pessimistic Locking and OptimisticLocking.+ Implementing optimization strategies for tables with large datasetsand high traffic volume.+ Applying Batch Operation in the system to categorize and processoperations on large datasets.+ Adjusting towards Solid code principles and implementing certainDesign Patterns to enhance project directory structure.+ Developing a feature to suggest optimal routes for motorbike and carshippers for quick and convenient delivery.+ Developing a feature to calculate distances between points on a map,organizing and providing efficient routes for delivery shippers tocustomers.+ Developing a feature to automatically create tasks for employees tocoordinate goods for shippers and generate daily target reports forsummarization and rewards.+ Developing features to check orders, manage delivered and receivedproducts internally to detect fraud and self-benefit.+ Developing distribution and product coordination functions fromwarehouse to stores.+ Developing a feature for delivery through partners.+ Creating a feature to calculate the weight and volume of vehicles,providing estimated load quantities and issuing warnings if exceeded.+ Utilizing Apache Kafka to distribute information in a distributedsystem to meet data synchronization needs internally.+ Working with Elasticsearch to optimize search information and dailydata reporting.+ Implementing queues to reduce the workload of processing canceland error orders.+ Deploying Redis to store large volumes of information over a longperiod to avoid frequent access for information retrieval and preventslow-downs and reduced availability of a website.+ Developing additional features to receive data from third parties andupdate it in the database.+ Updating company project APIs and applying optimizationtechniques to the data.

Back End:+ Using CMS Magento 2 to create modules for customer-required features added to the website to manage effective websites (There are 7 large active websites including 6 Thai websites and 1 website in Singapore).+ Add third-party ordering, sales and payment features.+ Support editing Cron to send emails and notifications.+ Making features according to customer requirements for managing products, orders, and customers under Admin Site and creating new features for API submission to Shopify (Project made on Laravel 7 Framework and Shopify).+ Providing solutions to optimize data system performance and help with quick and optimal access.+ Collaborate with BA to support customers in creating Google Analytics 4 and Universal Analytics.+ Write Unit tests to support functional testing before putting features into operation.Front End:+ Create API from requested features and then get response data to upload data to Shopify+ Write a sample page for Shopify with liquidOther:+ Use the git command and use GitLab to manage source code

BackEnd + Write Unit tests in the Codeigniter project.+ Create and edit new website features with the Laravel framework.+ Create and edit the logic features of the API for the CakePHP project.FrontEnd+ Get response APIs generated based on the CakePHP project injected into the service of Angular CLI 9.Other:+ Use the git command and use GitLab to manage source code