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Thoughts on Engineering

Deep dives into backend architecture, cloud infrastructure, performance optimization, and AI integration. Lessons from building real production systems.

FeaturedArchitecture

Building Event-Driven Microservices with NestJS and AWS SNS/SQS

A deep dive into architecting scalable, fault-tolerant systems using NestJS, AWS SNS, SQS, and the Saga pattern for distributed transactions.

8 min readMarch 10, 2026

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Cloud 6 min read

How I Reduced AWS Costs by 66% Using CDK and Right-Sizing

Practical strategies for cutting your AWS bill dramatically — from Lambda concurrency tuning to DynamoDB capacity mode switching and CDK automation.

AWS CDK Cost Optimization

February 20, 2026Read

AI 5 min read

Integrating OpenAI into FinTech: Payment Summaries & Risk Insights

How we integrated OpenAI APIs to automate payment summaries, generate risk insights, and reduce manual review time at a European FinTech.

OpenAI FinTech Node.js

January 15, 2026Read

Architecture 7 min read

CQRS + GraphQL: The Architecture That Improved API Performance by 35%

A practical guide to implementing CQRS with a GraphQL gateway in Node.js — separating read and write models for maximum performance.

CQRS GraphQL TypeScript

December 5, 2025Read

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