Results-driven Principal Node.js Developer with 8+ years of professional experience in the IT industry, specializing in building and leading high-performance development teams. Proven ability to architect, develop, and deploy scalable and maintainable applications using Node.js, TypeScript, and Vue.js, while leveraging a strong understanding of database technologies such as Oracle, MySQL, MSSQL, and PostgreSQL. Expertise in implementing RESTful APIs, GraphQL, RPC, integrating with third-party services, and optimizing code for maximum performance. Passionate about tackling complex technical challenges and contributing to innovative projects that drive business success.

Programming Languages: Typescript, C#

Skills:

• NodeJS, NestJS. ExpressJS, .NETCore, RESTful, GraphQL, Typescript

• VueJS, NuxtJS, Quasar

• PostgreSQL, MySQL, MSSQL, Oracle, MongoDB databases

• AWS

Tools: Visual Studio Code, Git, Jira, Linear, Slack.

Electronic Health Record System – Australia

Principal NodeJS Developer, Team leader, April 2024 – Present

Project description 

• A free and open-source Electronic Health Record for low resource and remote settings.  

• Working on a team of 4+ developers.

Responsibilities 

• Led the development and maintenance of the application.  

• Guided team members in sprint planning and execution.  

• Restructured the application's architecture for improved maintainability and scalability.  

• Implemented new features and functionality based on user requirements.  

• Collaborated with cross-functional teams to analyse user needs.  

• Identified and resolved performance and security issues.  

• Stayed up to date with the latest technologies.

Technologies

• ExpressJS, PostgreSQL, Git

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Career Metric – United States

Senior NodeJS Developer, Team leader, September 2023 – April 2024

Project description 

• The project combines data from O*NET, BLS, Census, and more, creating a powerhouse for Labor Market and Higher Education insights, with analytics like degree ROI through robust APIs

• Working on a team of 4+ developers.

    Responsibilities 

• Led the development and maintenance of the platform.  

• Developed and automated the ETL process.  

• Restructured the architecture to improve scalability and performance.  

• Upgraded node version and package versions.  

• Collaborated with other teams to ensure seamless integration.

Technologies

• ExpressJS, NestJs, Apollo GraphQL Federation, PostgreSQL, Git, AWS Batch, AWS Step Function

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Career Development Tool – United States

Senior NodeJS Developer, December 2022 – December 2023

Project description 

• A career development tool that helps students explore diverse paths to achieve their career goals.  

• Working on a team of 9 developers.

   Responsibilities   

• Developed, tested, and deployed the application.  

• Collaborated with cross-functional teams to analyse user requirements.  

• Identified and resolved issues related to performance, security, and scalability.  

• Integrated 3rd party services to enhance functionality.  

• Stayed up to date with the latest technologies.

Technologies

• ExpressJS, Apollo GraphQL Federation, PostgreSQL, Git, AWS EKS, AWS S3, Auth0

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Return On College – United States

Senior NodeJS Developer, July 2022 – January 2023

Project description 

• Return On College (R.O.C) is a comprehensive return-on-investment calculator for college and career pathways.

• Working on a team of 5 developers.

Responsibilities 

• Developed and maintained the application.  

• Fixed bugs and implemented new features.  

• Identified and resolved performance and security issues.  

• Refactored and migrated the codebase to new technologies.  

• Analysed user requirements and proposed solutions.

Technologies 

• NestJS, Prisma, Apollo GraphQL Federation, PostgreSQL, Git, AWS EB, AWS S3, Auth0.

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Warehouse Management and Payroll System – Vietnam  

Senior Full-stack Developer, April 2021 – April 2022

Project description 

• A comprehensive tool designed to streamline the management of incoming and outgoing goods, timekeeping, and payroll for employees.

• Working on a team of 4+ members.

Responsibilities

• Led the development and maintenance of the application.  

• Built and maintained the project skeleton.  

• Enforced coding style guidelines.  

• Developed reusable UI components.  

• Provided guidance to junior members.  

• Interacted with customers to gather requirements.  

• Conducted code reviews.  

• Developed and maintained the warehouse management module.  

• Performed testing and deployed system updates.  

• Wrote user manuals and provided training.

Technologies

• NestJS, Quasar, Jest, MSSQL, Docker, SVN

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School Management System – Vietnam  

Senior Full-stack Developer, May 2021 – October 2021

Project description 

• A platform designed to efficiently manage and organize various aspects of school operations.

• Working on a team of 4+ members.

Responsibilities

• Developed and maintained the project's codebase.  

• Provided technical guidance to team members.  

• Collaborated with the customer to understand their needs.  

• Conducted testing and deployment of the system.  

• Continuously monitored and improved the codebase.

Technologies

• NestJS, Quasar, Jest, MSSQL, Docker, SVN

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Performance Management System – Vietnam  

Senior Full-stack Developer, July 2019 – April 2022

Project description 

• The Performance Management System (P.M.S) automatically collects and analyzes network performance data.

• Working on a team of 12 members.

Responsibilities

• Led the development and maintenance of the system.  

• Designed and implemented the database schema.  

• Built and maintained the project's boilerplate.  

• Guided and supported team members.  

• Collaborated with customers to gather requirements.  

• Developed data collection mechanisms.  

• Produced reports and warnings to improve network performance.

Technologies

• ASP.NET core MVC, .Net Winform, .Net Console, VueJS, Oracle, MSSQL, Git

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Telecommunication – Vietnam  

Middle Full-stack Developer, July 2017 – April 2019

Project description 

• A network management system designed for the Metropolitan Area Network.

• Working on a team of 7 members.

Responsibilities

• Redesigned the user interface.  

• Debugged and implemented new features.  

• Rewrote collectors to improve data collection.  

• Added support for new device models.  

• Conducted testing and deployed system updates.

Technologies

• ASP.NET webform, JavaScript, DevExpress, .Net Winform, Oracle, MSSQL, SVN

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Telecommunication – Vietnam  

Junior Full-stack Developer, October 2016 – Jun 2017

Project description 

• A network management system designed to simplify the deployment, testing, and monitoring of access devices in a network.

• Working on a team of 7 members.

Responsibilities

• Fixed bugs and implemented new features.  

• Added support for new device models.  

• Conducted testing to ensure application quality.

Technologies

• ASP.NET webform, JavaScript, DevExpress, .Net Winform, Oracle, MSSQL, SVN

Cisco Certified Network Associate  

Apollo Graph Developer - Professional Certification

Awards:

Staff of the year 2017 & 2019  

2nd & 4th place in VNPT CTF contest 2017 & 2019