Johnny Vu - Fullstack Developer

Johnny Vu

4.9

Select me!

Johnny is available for hire

Hire Now

Johnny Vu

4.9

Gender

Male

Address

Hanoi, Vietnam

Main expertise

Full-stack Node.js JavaScript React.js Express.js MongoDB AWS E-commerce CRM Docker MySQL Redis

Introduction

Johnny Vu has over five years of experience in the software industry, primarily working on outsourcing projects for various companies as well as his personal endeavors. He is proficient in software development, encompassing programming, operations, security, system design, and requirement analysis. Additionally, Johnny possesses expertise in project management utilizing the agile/scrum model and has a solid background in team management.

Project list

JAT Financial Portals

The project involves developing a comprehensive financial platform designed to assist users, specifically partners, in managing their customers, profits, and products. Additionally, a group of administrators oversee partner activities, supported services, and billing sections. The system facilitates a partner portal, an admin portal, and mobile device access.

Directly work with customers to provide solutions that meet their requests. Develop and deploy cloud functions and search engine capabilities to support all portals. Develop a primary portal that manages other portals within the system. Manage and guide team members to complete the project.

Technologies: Firebase: Authentication, Firestore, Storage, Functions, Extensions, NextJs, Algolia

DOIN Mobile Application

A mobile application designed to assist users in recording and scheduling their tasks efficiently. I contributed to designing the system, including APIs, email service, notification service, and scheduling service.

Design the system architecture, including microservices architecture, database, and infrastructure as code. Work directly with customers to provide solutions and deploy the system to their environment. Develop main modules to manage and provide APIs for the mobile team, scheduling service, and notification service. Develop CI/CD pipelines for a fully automated deployment system to AWS cloud using Terraform, ECS, and other AWS services. Manage and guide team members to complete the project.

Technologies: NodeJS (NestJS), ReactJS, MySQL, Redis, Docker, AWS, Terraform

Ignition Launchpad

Ignition Launchpad offers a platform within the EVM Ecosystem for users to introduce and fundraise for their projects. It enables investors to invest in their preferred projects and claim rewards. The platform also categorizes investors into groups based on specific criteria and utilizes Merkle Trees to determine whitelist membership.

Design the system that interacts with EVM Chains. Develop a queue that handles sending emails to multiple users and generating proofs using Merkle Tree. Develop a crawler that synchronizes data from the BSC and Ethereum Network. Create a verifier to confirm user signatures and transactions for project publication and token allocation to selected chains. Collaborate with the customer's DevOps team for system deployment and operation. Manage and guide team members to complete the project.

Technologies: NodeJS (NestJS), MongoDB, Redis, RabbitMQ, Web3.

Stream2Earn

A streaming platform integrated with an NFT exchange and marketplace, enabling users to stream platform links to receive randomly dropped items.

Develop a crawler that retrieves and synchronizes data from the Binance Smart Chain (BSC). Develop the marketplace and reward module, providing APIs for user interactions with system-generated NFTs. Collaborate with the smart contract team to create a script that generates composite images from smaller ones and uploads them to an IPFS service.

Technologies: NestJS, MySQL, Redis, Socket.io, NestJS Bull, Docker, IPFS.

NFT Lottery Lounge

A blockchain-based lottery platform leveraging ChainLink's Verified Random Function (VRF), where users can deposit NFTs to potentially earn more valuable NFTs.

- Design the system that interacts with the EVM Chain and allows the admin to switch between chains. Design a crawler that syncs data from different chains. Develop a scheduling service to start games automatically at admin-configured times. Collaborate directly with customers and PMs to gather requirements and break down tasks for team members.

Technologies: NestJS, MySQL, Redis, Socket.io, NestJS Bull, Docker, Web3.

E-Commerce Website Development

I worked as a full-stack freelance developer with my team since I was a student.

Build several e-commerce websites using WordPress. Integrate payment systems. Enhance website performance.

Technologies: Wordpress

Customer Relationship Management System

I have been working as a full-stack freelance developer with my team since I was a student.

Build a CRM system for my client using NodeJS. Implement a database using MySql. Develop the front-end using ReactJs.

Technologies: NodeJS, MySql, ReactJs

Desktop Automation Tools

Worked collaboratively as a full-stack freelance developer with my team since my student days.

Developed desktop tools using ElectronJs and Puppeteer. Implemented data crawling functionality. Simulated user actions to enhance automation capabilities.

Technologies: ElectronJs, Puppeteer

Edukite

Edukite is a student monitoring and management application, developed as part of Headway's offerings. Headway is a company focused on providing software applications to schools in Vietnam.

Developed a student monitoring and management application (Edukite). Contributed to the API for the mobile app. Worked on the notification server. Developed the chat server. Contributed to the admin web interface. Technologies used included Java Spring, MySQL, ReactJs, Node.js, and MongoDB.

Technologies: Java Spring, Mysql, ReactJs, Nodejs, MongoDB

Customer Service Application

Headway is a product and outsourcing company focused on delivering software applications to schools in Vietnam.

Maintained a customer service application for Northern Power IT Company named ENVNPC.

Technologies: ENVNPC

Project list

Education

Expertise

Certifications