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Sơn Phạm

PM

Build fast. Scale smart.

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Worked with more than 50+ projects

EGROUP THPT Cao Bá Quát Đi Chung Carback

20+ Clients

About Me.

I am a Fullstack Developer and Project Manager with experience in building and delivering web applications from concept to production. I specialize in backend development (Node.js, PHP) while also working effectively on frontend to create seamless user experiences. Beyond technical skills, I have hands-on experience in project management, team coordination, and ensuring timely, high-quality delivery. I focus on creating scalable, efficient solutions that bring real value to users and businesses.

Name

Phạm Thanh Sơn

Nationality

VietNam

Phone

Email

Experience

10+ years

Freelance

Available

Zalo

Telegram

Education.

Information Technology

Hanoi Open University / 2007 - 2011

Experience.

Project Manager - AI Agent Developer

Công ty CP Công nghệ Trí tuệ nhân tạo ChatX / 2024 - 2025

Startup công nghệ về AI Agent, Chatbot

CO-FOUNDER - SYSTEM & BACKEND DEV

Công ty TNHH Crawler / 2023 - 2024

Startup công nghệ về thu thập dữ liệu và theo dõi đa nguồn

IT MANAGER

Công ty CP Tập đoàn Mỹ hạnh / 2022 - 2023

Công ty sản xuất và kinh doanh các sản phẩm về Sâm Ngọc Linh

IT MANAGER

Công Ty CP Đi Chung / 2022 - 2022

Các sản phẩm công nghệ đa nền tảng về đặt xe trực tuyến

PROJECT MANAGER - SYSTEM & FULLSTACK DEV

Công ty Cổ phần Tập đoàn TEGO / 2021 - 2022

Startup ứng dụng đặt xe công nghệ đa dịch vụ TEGO

CO-FOUNDER - SYSTEM & FULLSTACK DEV

Công Ty Cổ Phần Công Nghệ Carback / 2019 - 2021

Startup ứng dụng đặt xe công nghệ chiều về CARBACK

IT MANAGER - PROJECT MANAGER

Công Ty Cổ Phần Dịch Vụ Công Nghệ Giáo Dục - VNEDUTECH / 2017 - 2019

Các dự án giáo dục trực tuyến bao gồm:
- Học trực tuyến
- Thi trực tuyến
- Các cuộc thi trực tuyến

GAME MASTER LEADER

Công ty Cổ phần Tập đoàn giáo dục EGROUP / 2011 - 2017

Vận hành sản phẩm trò chơi giáo dục trực tuyến Chinh Phục Vũ Môn

Backend Development (Core Strength).

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8+ YOE

PHP/ Laravel/ Wordpress

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5+ YOE

NodeJS

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5+ YOE

RESTFUL API

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5+ YOE

Socket.io/ Websocket

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2 YOE

Microservices architecture

Experiences

Developed scalable backend systems using Node.js (ExpressJS) and Laravel

Designed and implemented RESTful APIs with focus on performance, scalability, and maintainability

Built authentication & authorization systems using JWT / OAuth2

Handled high-concurrency requests and optimized API response time

Implemented real-time features using WebSocket (e.g., live updates, notifications)

Integrated third-party services (payment gateway, external APIs)

Structured clean and maintainable codebases following best practices

Built backend services supporting real-time matching and status updates

Database & Caching.

Experiences

Designed and optimized data models for both MongoDB and MySQL

Improved query performance using indexing and efficient query patterns

Implemented Redis caching to reduce database load and enhance API response time

Utilized Redis Pub/Sub for real-time features (e.g., notifications, live updates)

Applied queue-based processing (BullMQ) for handling background jobs and async tasks

Handled high-concurrency scenarios with caching and queue mechanisms

DevOps & Infrastructure.

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80%

GIT(GitHub / GitLab)

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80%

DOCKER

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80%

Deployment (Manual/CI/CD)

Experiences

Deployed and managed production applications on Linux VPS (Ubuntu)

Configured Nginx as reverse proxy, load balancer, and SSL termination (Let's Encrypt)

Managed application processes using PM2 to ensure uptime and reliability

Set up domain, DNS, and HTTPS for secure production deployment

Implemented Docker for containerized environments

Applied basic server hardening (UFW firewall, fail2ban)

Built deployment workflows (manual or CI/CD) to streamline release process

Ensured high availability and stability for production systems

Optimized server performance and resource usage under real-world workloads

Frontend Development.

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100%

HTML5, CSS3, JavaScript (ES6+)

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100%

Jquery/ Ajax

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100%

Responsive Design

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1 YOE

ReactJS / VueJS

System Design & Architecture.

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100%

Scalable backend architecture

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100%

Idempotency & duplicate request handling

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90%

Rate limiting & API protection

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90%

Background job processing

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100%

Real-time driver matching (geo-based queries)

Other Experience.

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System Design & Management

Payment Gateway Integration (Momo, Sepay, Gpay, VNPay)

Google Cloud Services Integration (Map, Storage)

Notification System (Firebase/OneSignal/Telegram)

SMS/Email/OTP Integration (Zalo, SMS, Twilio, Gmail)

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End-to-end Project Management & Development

Idea & Sketch

Plan & Timeline

Design with Figma/Photoshop/Canva

Coding

Testing & Deployment

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AI Agent

AI Literacy

Prompt Engineering

AI Workflow Automation

AI Agents

Portfolio.

Carback Ride Booking Platform

SYSTEM & BACK-END DEVELOPER

ChatX - AI Agent for Business

SYSTEM & AI Agents/ AI Workflow Automation

TEGO

SYSTEM & BACK-END DEVELOPER

IGO

PM - SYSTEM & BACK-END DEVELOPER

Website trường THPT Cao Bá Quát

PM - Fullstack Dev

ADES ERP SYSTEM

PM - Fullstack Dev

Tạp chí điện tử Hòa Nhập

PM - Fullstack Dev

Tạp chí điện tử Luật Sư Việt Nam

PM - Fullstack Dev

Crawler VN

Co-founder - System & Backend Dev

Wordpress Projects

Fullstack Dev

Get In Touch.

TAKE A COFFEE & CHAT WITH ME

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