Blog
Technical writing on cloud architecture, AWS infrastructure, backend engineering, payment systems, AI, and machine learning.
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Payment SystemsStripePayPal
Designing Reliable Payment Webhooks for Production Systems
Learn how to design idempotent, resilient webhook handlers for Stripe, PayPal, and GMO that survive retries, network failures, and race conditions.
March 15, 20248 min read
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Cloud & DevOpsAWSEC2
Practical AWS Architecture for Small Engineering Teams
How to build a cost-effective, production-ready AWS setup for a startup or small team — covering EC2, RDS, S3, IAM, and the monitoring stack that actually matters.
January 10, 202412 min read
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AI & LLMOpenAIGemini
Building AI Chatbots with LLM APIs in Backend Systems
A backend engineer's guide to integrating OpenAI and Gemini APIs — covering streaming, context management, rate limiting, cost control, and production patterns.
December 5, 20239 min read