Hi there, I'm The Anh Nguyen 👋

🚀 Technical Lead | Backend Engineer | Data Engineering Specialist

I'm a passionate engineer with 14+ years of experience building scalable data pipelines and robust backend systems. I love solving complex problems, optimizing infrastructure costs, and mentoring teams to achieve their best.

💼 What I Do

• 🏗️ Architect scalable data solutions processing billions of records
• ☁️ Optimize cloud infrastructure (AWS) for cost and performance
• 📊 Build ETL pipelines that power business intelligence
• 👥 Lead engineering teams and mentor developers
• 🔧 Design and implement backend systems that drive business growth

🎯 Key Achievements

💰 Cost Optimization Expert

Reduced infrastructure costs by over $6,000/month through strategic optimizations

• Cut EMR processing costs by 50% (from $7K to $3K/month)
• Helped eliminate $2,000/month in AWS OpenSearch expenses by migrating to self-hosted Elasticsearch
• Contributed to reducing reporting pipeline costs by approximately $1,000/month

📈 Scale & Performance

• Managed data pipelines processing 6 billion records at peak volume
• Reduced data processing time to <8 hours for improved data freshness
• Improved API response times (95th percentile) to <250ms through infrastructure optimization
• Scaled a web crawling tool from 60K pages scraped per hour to 250K, a ~4x improvement
• Contributed to enhancing platform performance serving 20M+ monthly visitors at peak time

👨‍💼 Leadership & Team Building

• Scaled engineering teams from 3 to 7 members while maintaining high performance
• Promoted from Senior Engineer to Technical Lead within 2 years
• Mentored engineers with 2 promoted to higher positions
• Improved team productivity through clear KPIs and goals

🛠️ Tech Stack

Languages:        Python, JavaScript, TypeScript, PHP
Web:              Laravel, Symfony, RESTful API, GraphQL
Data Engineering: ETL pipelines, Apache Airflow, PySpark
Cloud:            AWS (Athena, EMR, S3, SQS, ElastiCache, Lambda, RDS)
                  Azure Data Warehouse (Dedicated SQL Pool)
Databases:        Elasticsearch, MySQL, PostgreSQL, SQL Server, Cassandra
DevOps:           Docker, Terraform, Elastic Stack (ELK)

📜 Certifications

🏆 AWS Certified Solutions Architect – Associate (July 2022)

🌟 Highlighted Projects

🤖 Digital OOH Advertising Platform

Automation solutions for digital out-of-home advertising

• Role: Contractor Senior Engineer (June 2025 - present)
• Impact: Reduced campaign processing time through automation
• Tech: TypeScript, AWS Lambda, Athena, RDS
• AI tools: Cursor, Claude

🏪 SaaS Vending Machine Management

Multi-tenant platform for vending machine fleet management

• Role: Freelance Technical Consultant (December 2024 - May 2025)
• Features: Real-time inventory tracking, automated alerts
• Tech: PHP, Node.js, Python, AWS

🎯 iPrice - E-commerce Price Comparison Platform

Southeast Asia's leading e-commerce aggregator serving millions of users

• Role: Technical Lead
• Impact: Contributed to reducing costs by 50%, optimized data processing from 12 hours to <8 hours, managed 6B records at peak, contributed to enhancing platform performance serving 20M+ monthly visitors
• Tech: Python, PHP, AWS (Athena, EMR, S3, SQS, ElastiCache), Azure Data Warehouse, Apache Airflow, Elastic Stack (ELK), Cassandra
• 🔗 Visit iPrice

🔐 TrueProfile - Identity Verification System

Secure identity verification solution for enterprise clients

• Role: Senior Software Engineer
• Tech: Symfony, React, Elasticsearch
• 🔗 Visit TrueProfile

🤝 Let's Connect

I'm always interested in discussing:

• 🔧 System design
• 💬 Data engineering and architecture patterns
• 🚀 Cloud optimization strategies
• 👥 Engineering leadership and team building

📫 Reach Me At:

• 💼 LinkedIn: linkedin.com/in/the-anh

🎓 Continuous Learning

I'm passionate about staying current with emerging technologies and best practices. I regularly read technical blogs, experiment with new tools, and share knowledge with the engineering community.

🌏 Beyond Code

When I'm not coding, you'll find me:

• ✈️ Traveling and exploring new cultures
• 📚 Reading technical blogs and industry publications
• 🎯 Mentoring aspiring developers

⭐️ Fun Fact: I completed my Bachelor's degree while working full-time, demonstrating my commitment to continuous growth and time management skills!