π¨βπ» Farhan Hasin Chowdhury
Backend Engineer & Technical Educator
Building scalable systems and teaching millions of developers worldwide. Staff at freeCodeCamp, Lead Backend Engineer at Repocket, and author of handbooks read by 500K+ developers.
πΌ Engineering
Building Scalable Systems
- π Software Engineer at freeCodeCamp - shaping education for millions
- ποΈ Built multi-tenant SaaS platforms serving millions
- βοΈ Expert in microservices, Docker, Kubernetes, AWS
- π€ Integrating AI/LLMs into production systems
βοΈ Writing
Teaching Through Content
- π 5 comprehensive handbooks (Docker, Kubernetes, Python...)
- π₯ 3 sponsored video courses (MongoDB, Replit, Neo4j)
- π Technical articles on popular platforms
- π Content read by 500K+ developers globally
π Reading
Beyond the Code
When I'm not building systems, I'm exploring stories. Currently reading:
π Featured Work
The Docker Handbook
Comprehensive guide to Docker and containerization, read by hundreds of thousands of developers worldwide.
View Project βThe Kubernetes Handbook
Complete guide to Kubernetes fundamentals, deployments, and orchestration for modern cloud-native applications.
View Project βThe NGINX Handbook
In-depth exploration of NGINX as a web server, reverse proxy, and load balancer for high-performance systems.
View Project βThe Arch Linux Handbook
Complete guide to installing, configuring, and mastering Arch Linux for power users and enthusiasts.
View Project βπ Latest Articles
View All βMigrating from SQL to MongoDB
A complete guide to migrating Laravel applications from SQL to MongoDB, covering schema analysis, data modeling differences, migration strategies, query adaptation, and testing approaches for a smooth transition.
Read Article βOptimizing MongoDB Queries in Java Applications
A comprehensive guide to MongoDB performance optimization in Java, covering query profiling, indexing strategies, anti-patterns to avoid, read/write optimization, aggregation pipelines, and production monitoring practices.
Read Article β