liverj

An ERP, CRM systems in the field of construction and real estate e-commerce. Techstack: Nodejs (Express), PostgreSQL, Redis, Sequelize, CronJob, Socket, Docker, Elasticsearch, Jest and IoC pattern (InversifyJS), Microservice, Kafka. Understanding workflow and business requirements ERP, CRM, real estate e-commerce platform, internal social network, chat system. Design the database schema and develop statistical, notification, chat and export data function follow the clean architect. Create statistical reporting function and optimize, refactor another function, stored procedure in PostgreSQL. Collaborated with BA and team lead to clarify requirements and solutions. Collaborated with front-end team to improve solution performance follow by business requirements with Scrum project.

Nelo Game Metaverse. Techstack: Nodejs (Express, SocketIO), MongoDB, Redis, Jest, CI/CD. Research and develop authentication, chat system and data gameplay system. Design and implement the player action reporting system includes database schema to improve the features needed for the report system and create web services for behavioral, statistics functions and player information according to customer requirements and write test-driven development, unit test with Jest. Deploy server on AWS EC2 with Putty, WinSCP and using PM2 to manage process, CI/CD with GitHub action. Collaborating with leader and design teams to improve solutions, clarify and weekly meetings with the client to report process project.

An internal social network. Techstack: Spring boot, Sping Data JPA, SQL server. Research and develop web services, coding convention, coding style guide, design pattern in back-end, and understand business requirement internal social. Collaborate with team leader to design database schema and implement back-end services including comment, newsfeed, notification system. Improved performance of system by optimizing database queries and removing unnecessary code allow by team leader.