👋 Hi, I'm Nguyen Hoang Long

Software Developer with 4 years of professional backend experience.

Professional Experience

Mid Backend Developer | Eldorado Game (2020-9/2025)

• Architected and implemented backend systems for Eldorado game (clone version)
• Built high-performance TypeScript backend matching original game performance
• Implemented real-time game mechanics and payment processing systems
• Technologies: TypeScript, Node.js, Redis, MongoDB, Docker, AWS

Technical Skills

Core Languages

• C++ - Competitive Programming, Performance Optimization
• Python - AI/ML, Backend Development
• TypeScript/JavaScript - Enterprise Backend, Web Development
• Go, Rust, Node.js - Backend Systems

Technologies & Frameworks

Backend & Cloud

• FastAPI, Flask, Django
• Express, TypeScript
• AWS/GCP, AWS Lambda
• Docker, Kubernetes
• Terraform (Infrastructure as Code)
• CI/CD Pipelines
• PostgreSQL (Performance Tuning)

Distributed Systems

• Message Queues (Kafka, NATS)
• Microservices Architecture
• System Design & Scaling
• High-Load Systems

AI & Machine Learning

• PyTorch, TensorFlow
• scikit-learn
• OpenCV (Computer Vision)

Frontend

• Tailwind CSS, Bootstrap
• Figma (UI/UX Design)

Expertise Level

Area	Level
Backend Development	Mid developer
System Design	Mid
Cloud & DevOps	Mid-Senior
Competitive Programming	~1600 rating on VNOJ
Machine Learning	High Junior
Frontend Development	Beginner

Key Projects

Eldercare Healthcare Platform

• Built scalable microservices architecture using FastAPI & Docker
• Implemented real-time health data processing and monitoring
• Deployed on AWS with Kubernetes orchestration
• Handled high-throughput data streams with Redis caching

Drone Vision System

• Optimized deep learning models for real-time image processing
• Achieved 30+ FPS processing on edge devices
• Implemented computer vision algorithms for object detection
• Integrated with drone control systems using ROS

Focus Areas

• High-Performance Backend Systems
• Distributed System Design
• Cloud Native Applications
• Algorithm Optimization
• Deep Learning & NLP
• Embedded Systems/Drone Programming

Passionate about building scalable, high-performance systems. Let's create something impactful!