Calvin Van - Backend Developer

Backend developer with a strong foundation in Java and JavaScript. Experienced in building scalable applications using NodeJS, Spring, and Android frameworks. Proficient in Open Liberty and Quarkus for cloud-native development. Skilled in database technologies including MongoDB, MySQL, DynamoDB, and PostgreSQL. Experienced in version control using Git.

Project list

Customer Notification

Enhance customer experience by providing the right information to the right parties at the right time in the right channel. Giving customers the possibility to self-configure their notifications ensures that they are informed on-time and proactively along their journey, now customized & personalized for their needs, by thus reduce mails and phone calls. Add display of communication history per customer to Sales/Customer Service applications.

- Develop modules of the system - Develop and fix the system's defect base on requirement - Building system infrastructure with Terraform & Helm on AWS - Write feature documents

Technologies: Spring Boot, PostgreSQL

VGM & Workflow

Our customer is one of the leading liner shipping companies of the world and a powerful partner for customers in global logistics. These projects which are parts of customer's management system, are deployed on AWS, other services has been deployed on premises server. They handle data transformation from on premises services and cloud services, and integration between exist workflow services and another workflow and decision automation platform like Camunda.

- Develop modules of the system - Develop and fix the system's defect base on requirement

Technologies: Spring Boot, PostgreSQL, AWS, Terraform, Kubernetes

Dr.Joy

Dr.JOY is a "work style reform solution" that active doctors have come up with. A tool to streamline the work used by 120,000 medical professionals. Groupware exclusively for private medical institutions

- Develop modules of the system - Develop and fix the system's defect base on requirement - Write feature documents

Technologies: Spring Boot, MongoDB, gRPC, Redis

Voicon

Voicon is a powerful Virtual Assistant for Vietnamese with remote control feature for Samsung, Sony and LG Smart TV (Tizen Smart TV, Android TV, WebOS Smart TV)

- Develop assistant skills - Construct gateway service - Fix services' problem - Write unit tests for backend services

Technologies: Spring Boot, MySQL

IT Management

The application performs data storage in every way to export the data needed for business and share that data with all shareholders. The data saved/shared and analyzed will provide strategic support for activities such as business, marketing, improve customer satisfaction and contribute to expanding the operations of departments.

- Communicate with customers and teammates to define requirements - Develop email module and user decentralization module - Fix the system's issues

Technologies: Spring Boot, MongoDB, Redis, Node.js

IT Management for mobile

An application which run on mobile devices, supports its web system

- Design UX/UI and implement the solution based on the requirements - Communicate with customers and teammates to clarify requirement - Estimate work schedule - Assigns tasks to team members and manage process - Guide new members the web system

Technologies: Java

Giki

An application help people to study English in an effective way

- Develop and fix the application's defect base on requirements - Develop modules of the application

Technologies: Java

Project list

Education

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