Willard Nguyen - Senior Backend Developer

Willard Nguyen

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Willard Nguyen

4.8

Gender

Male

Main expertise

Back-end Node.js Serverless AWS AWS Solutions Architects AWS DevOps Express.js NestJS GraphQL Socket.IO PostgreSQL MongoDB

Introduction

Willard Nguyen is an experienced full-stack developer with a strong foundation in building scalable and efficient web applications. He is proficient in backend development using Node.js with frameworks such as Express, NestJS, Loopback, and Serverless. Willard is skilled in implementing modern APIs, including REST, GraphQL, Socket.io, Server-Sent Events, NATS Streaming Server, and OpenAPI specifications. He has experience in utilizing various databases like PostgreSQL, MongoDB, Redis, and DynamoDB for data persistence. Additionally, Willard is well-versed in AWS cloud services and adept at deploying applications using API Gateway, Lambda, DynamoDB, SNS, SQS, and RDS.

Project list

EPAM Systems Beverage Data Application

This project involved developing a cloud-based web application for storing beverage container packaging data received from participants and various data providers.

Contribute to architecture and data model design. Select backend technologies. Setup codebase structure. Setup development environment for the team using LocalStack and LocalSeedingService. Design and implement a notification system using AWS Lambda and SES. Gather client's feedback and implement new features, such as Keycloak integration, REST API OpenAPI documentation, and API Localization.

Technologies: NodeJS, NestJS, NextJS, Typescript, TypeORM, MySQL (Amazon RDS), OpenAPI, Amazon S3, Amazon SES, AWS Lambda, Keycloak IAM Integration, Google Maps Integration

EcoPost

EcoPost is a crowd-shipping platform designed to reduce shipping costs while promoting environmentally friendly transportation.

Contact the client to get the specific requirements. Update and confirm specifications. Select tech stack for the project. Determine API technologies, 3rd party integration services, and frontend technology (comparison among Angular/Ionic, React/React Native, Flutter). Plan and estimate the project. Confirm the product backlog milestones with the client. Design project architecture. Manage the project schedule. Provide development technical support. Propose Scrum framework in the development. Consider system refactoring plans for scaling (decouple services, implement POC for message queue processing, improve centralized monitoring system). Continuously maintain the production system.

Technologies: NodeJS, ExpressJS, Typescript, TypeORM, PostgreSQL, Location database management, Redis, Angular, Ionic, React Admin, Stripe integration, Paypal integration, Firebase

Inlive With

InLive With is a pioneering social network platform that enables fans to engage directly with their favorite celebrities. Each celebrity on the platform is verified and distinct. Users can explore the world of their idols and access a variety of content, including music, photos, videos, ticketing, live-streams, and more. Stay updated with real-time news, exclusives, and pre-sales, and enjoy live interactions with celebrities through the app to create memorable experiences.

Continuous communication with the client to gather specific requirements. Design system architecture. Develop the MVP (Minimum Viable Product). Select the tech stack for the project. Planning and estimating the project. Manage project scheduling. Develop features such as news feeds, chat, marketplace, and payment integration. Maintain the system. Refactor the architecture to support 15,000 active users.

Technologies: NodeJS, Loopback 3, Typescript, PostgreSQL, MongoDB, WebRTC, Websocket, Redis, Angular, Ionic, Firebase, Stripe integration, Social network content management (Facebook Graph API, Twitter API)

Project list

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