Teo Yong Zhi

- Project: Admin Portal, Delivery Agent App, Fleet Portal, Backend Microservice - Technology Stack: React, Next.js, NodeJS, NestJS - Developed and maintained web applications using React or Next.js for frontend and NestJS for backend. - Conducted code reviews and provided constructive feedback to improve code quality and maintainability. - Integrated third-party logistic (UPS) APIs to provide merchant more shipping and delivery options, and pricing as well. - Admin Portal – serves as a tool for the company's operations team to access and manage various aspects of the business, such as orders, delivery agent information, merchant information, warehouse information, as well as configure settings and other related functions. - Delivery Agent App – a mobile app designed for agents who are either hired by the company or work as freelancers to accept and deliver orders, as well as access their payroll information. - Fleet Portal - this portal serves as a hub for assigning, monitoring, and streamlining the delivery process. Provide convenience to managers to allocate orders to dedicated delivery agents based on their availability, location, and expertise. - Backend Microservice – developed using NodeJS in pure JavaScript and used NestJS framework in TypeScript, services communicate to each other via gRPC, services are deployed within Kubernetes environment, ensuring scalability, reliability, and efficient management of resources.

- Project: MyDHL API, HotDesk Booking Online, DHL Solution Hub API - Technology Stack: Webmethods, Java, Spring Boot, Angular, NestJS - MyDHL API – provide API service for create shipment, update shipment, book pickup, update pickup, cancel pickup, get rate of product, tracking shipment, upload invoice, retrieve document - Use Altova Mapforce for request mapping - Use Webmethods to create service - Convert Ant project to Maven project - Start to use Git for souce code version control - HotDesk Booking Online – during Covid 19, people to work in office need to book office desk online. - Developed HotDesk Booking Online application using Angular as frontend and Java Spring Boot as backend and MySQL as database - Guide intern on develop HotDesk Booking Online application - DHL Solution Hub API – act as search API, return data related to search term entered by user. - Used NestJS to develop DHL Solution Hub API. Interact with multiple downstream application and populate data return to the frontend.

- Project: DHL Ecommerce Portal - Technology Stack: Java, Spring, HTML, Javascript, Primefaces - Develop new functional requirements, aligning them with consultant and ensuring continuous enhancement of system capabilities - Resolve production issues through rigorous troubleshooting, providing effective solutions to main system optimal performance - Tracking DB Segregation (Materialized View, Database Link), to enforce different module use their own respective database schema, prohibits any queries access data across different database schema.

- Projects: Statistics Dashboard, DHL Ecommerce Portal - Technology Stack: Java, SpringBoot, Spring, HTML, Javascript, Primefaces - Develop Spring Boot application - Statistic Dashboard - Create Statistic Dashboard to show total shipments by daily, monthly, annually. Provide filter for origin country / destination country. - Understand the code flow (Controller -> Service Layer -> DAO Layer) - Database call - JdbcTemplate, Hibernate, JPA Repository - DHL Ecommerce Portal – provide create shipment, book pickup, get rate of product, tracking shipment, invoice clearance. - Integrate 3rd party payment gateway (Standard Chartered Bank) for the shipment bill payment, ensure seamless and reliable transaction for users

• Create Parse server and connect with MongoDB • Develop Android applications using Android Studio (e.g. QR Code generation) • Modify JavaScript code for image compression

Final Year Project (Automatic News Reader - Android Application by Android Studio),