CRM + HRM + LMS
VFM Education Platform
NestJSReactJSNextJSSocket.ioPostgreSQLZustandMonaco Editor
Architecting Scalable
Backend Systems
Hi, I'm thangvb. I build production infrastructure with NestJS, PostgreSQL, and distributed systems designed around OOP & SOLID principles.
Backend / System Design
Core engineering specialization
OOP & SOLID
Principled architecture by default
Docker · Redis · Elasticsearch
Infrastructure stack
TOEIC 640
Technical English proficiency
Featured Work
Study-abroad consulting
KingStudy
Designed database schema and API for lead and profile management. Full data pipeline from UI to PostgreSQL with automated email notifications for follow-ups.
NestJSPostgreSQLReactJSNextJS
Real-time chat
Chappyt
End-to-end real-time chat with Socket.io for messaging, typing indicators, reactions, and file sharing. Redis-backed presence tracking for online/offline state.
Socket.ioRedisMongoDBPostgreSQLNextJS
Engineering Values
Clean Code
Strict adherence to SOLID principles. Every abstraction earns its place through clarity, not cleverness.
Scalability
PostgreSQL schema design, Redis caching strategies, and event-driven queues built to grow without rewrites.
Security First
JWT auth, session hygiene, and secure data pipelines are non-negotiable defaults, not afterthoughts.
Experience
VFM Technology
Fullstack Developer
VFM Education Platform
CRM + HRM + LMS- -Complex multi-condition form workflows for HRM, CRM, and LMS modules
- -Online exam system: question editor and exam-taking interface
- -Monaco-based editor with custom syntax highlighting and Markdown to React pipeline
- -Real-time chat and notifications via Socket.io
- -Built AI Agent SKILL and Workflow - reduced CRUD form development time by ~60%
ReactJSNextJSTailwindCSSAnt DesignZustandReact Hook FormZodSocket.ioMonaco Editor
KingStudy
Study-abroad consulting platform- -Designed schema and API for lead and profile management flows
- -Full data flow: UI to API to PostgreSQL
- -Automated email notifications
NestJSPostgreSQLReactJSNextJS
FPT Software
Fullstack Intern
Chappyt
Real-time chat application- -End-to-end real-time: messaging, typing indicators, reactions, file sharing via Socket.io
- -Online/offline presence tracking with Redis
Socket.ioMongoDBPostgreSQLRedisNextJSTailwindCSS
Happy Board
Idea sharing platform (Backend)- -RESTful API with Google JWT auth and Redis caching
- -Elasticsearch full-text search
- -Real-time notifications via Firebase and RabbitMQ; Cloudinary image upload
Express.jsPostgreSQLSequelizeRedisElasticsearchFirebaseRabbitMQ
ZENTSOFT
Backend Intern
Book Store API
E-commerce backend- -Auth, RBAC, book and cart management
- -Source: github.com/thangvb168/bookstore-api
Node.jsExpress.jsMongoDBJWTCloudinary
NestJSPostgreSQLRedisSocket.ioRabbitMQElasticsearchDockerTypeScriptReactJSNext.jsMongoDBExpress.jsZodTailwindCSSJWTGitNestJSPostgreSQLRedisSocket.ioRabbitMQElasticsearchDockerTypeScriptReactJSNext.jsMongoDBExpress.jsZodTailwindCSSJWTGit
Technical Stack
Frontend
ReactJSNextJSTailwindCSSAnt DesignZustandReact Hook FormZod
Backend
NestJSExpress.jsNode.jsRESTful API designJWT
Database + Cache
PostgreSQLMongoDBRedis
Real-time + Messaging
Socket.ioRabbitMQFirebase
Search + Infra
ElasticsearchDockerGitCloudinary
Languages
TypeScriptJavaScript
English: TOEIC 640 - comfortable reading technical documentation and communicating in engineering contexts.
Education
Thuyloi University
B.S. Computer Science | 09/2021 - 08/2025
GPA 3.82 / 4.0 - Excellent Student
Thesis
Applying Integrative Compositional Zero-shot Learning for rare agricultural product recognition and pathogen status prediction.
3.82
GPA
out of 4.0
4 yr
Program
Computer Science
640
TOEIC
English proficiency
2025
Graduated
Excellent standing
Get in Touch
Open to backend and fullstack roles where architecture decisions matter. Especially interested in teams building systems at scale.
thangvb.dev@gmail.com
Phone
+84 378 481 575
GitHub
github.com/thangvb168