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Thoughts, tutorials, and insights on software engineering and technology.

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AI Engineering

I Tried Building GPT From Scratch. Here's What I Learned.

I shipped AI features for two years without understanding how any of it worked. So I built a tiny GPT from scratch that hallucinates cooking recipes. Here's what it taught me about transformers, attention, and training.

Published: July 6, 2026

12 min read

Backend

The Night Everything Went Wrong (A Real Migration Crisis)

A story from the trenches of backend engineering: an overnight migration under pressure, impossible timelines, and the decisions that saved a business-critical customer.

Published: February 14, 2026

4 min read

Backend

Building Chronon: A Distributed Rate Limiter

How I built a production-grade distributed rate limiter from scratch using Redis, consistent hashing, and TypeScript.

Published: December 14, 2025

6 min read

Backend

Building a Cloud IDE from Scratch: Architecting 'Just Run It' with Kubernetes, WebSockets, and Real-Time Terminals

A deep dive into creating a production-grade cloud development environment that dynamically provisions isolated coding workspaces on demand.

Published: December 5, 2025

18 min read

Backend

Building Parcelo: A Distributed Job Scheduler That Actually Makes Sense

How I built a production-grade job scheduler using binary tree splitting, and what I learned about distributed systems along the way.

Published: December 1, 2025

11 min read

Backend

Spring Boot Internals Explained with Simple, Fun Example Like You're 5

Understanding Spring Boot internals through simple, relatable examples that make complex concepts easy to grasp.

Published: October 19, 2024

11 min read

DevOps

Master Docker: Basics to Advanced - Part 5/5

Docker Compose Deep Dive: Advanced Techniques for Multi-Container Applications

Master Docker Compose for orchestrating multi-container applications.

docker

docker-compose

container-orchestration

+3 more

Published: September 24, 2024

7 min read

DevOps

Master Docker: Basics to Advanced - Part 4/5

Persistent Storage in Docker: Volumes, Bind Mounts, and tmpfs

Comprehensive guide to Docker persistent storage using volumes, bind mounts, and tmpfs.

Published: September 20, 2024

8 min read

DevOps

Master Docker: Basics to Advanced - Part 3/5

Dockerfile Best Practices: Minimizing Image Size and Enhancing Performance

Master advanced Dockerfile techniques including multi-stage builds, layer optimization, and caching strategies. Learn to minimize image size, enhance performance, and implement security best practices for production-ready Docker images.

docker

multistage-docker-build

devops

+1 more

Published: September 17, 2024

7 min read

DevOps

Master Docker: Basics to Advanced - Part 2/5