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Sharing my experiences, learnings, and adventures in tech and beyond.

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DevOps & Cloud Infrastructure (139)AI & LLMs (102)Web Development (81)ERP Systems (72)Backend & APIs (60)Software Development (52)Security (28)Career Reflections (27)Cloud (15)Product & SaaS (12)AI / Machine Learning (5)University (1)Hackathons (1)

DevOps

June 202512 min read

Distributed Tracing with OpenTelemetry: A Practical NestJS Implementation

How to instrument a NestJS microservices application with OpenTelemetry for end-to-end distributed tracing — covering auto-instrumentation, custom spans, and backend choices.

DevOps

June 202510 min read

Circuit Breaker Pattern in NestJS: Building Resilient Microservices

How to implement the circuit breaker pattern in NestJS using nestjs-resilience4j or a custom implementation — preventing cascading failures and building self-healing services.

DevOps

June 202513 min read

CQRS and Event Sourcing with NestJS: When Complexity is Worth It

A practical guide to CQRS and event sourcing in NestJS — what the patterns actually solve, how to implement them with @nestjs/cqrs, and Martin Fowler's honest warning about when to skip them.

DevOps

June 202511 min read

Scaling WebSockets with Redis Pub/Sub: From One Server to Many

How to horizontally scale a WebSocket server using Redis Pub/Sub and Socket.IO — covering the sticky session problem, Redis adapter setup, and what happens when Redis becomes the bottleneck.

Web Dev

June 202511 min read

Testing Next.js Apps with Vitest and Jest: A Practical Comparison

A data-driven comparison of Vitest and Jest for Next.js applications — with benchmarks, setup examples, and an honest guide to which testing framework you should choose in 2025.

Web Dev

June 202510 min read

Storybook for Component Documentation: Building a Living Design System

How to use Storybook to document React components, create interactive showcases, and build a design system that stays in sync with your actual codebase.

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