Blog

June 26, 2026

How Applications Stay Available During Deployment

Modern applications are expected to remain available even while they're being updated. Achieving that involves different deployment strategies, each balancing availability, rollback, infrast...

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May 13, 2026

How Data Access Breaks Down Under Load

Most database performance problems do not begin with one obviously slow query. They usually emerge from repeated access patterns, unnecessary data retrieval, poor indexing decisions, transac...

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April 14, 2026

Idempotency Is Not Enough: Designing Deterministic Payment Systems

Idempotency keys are one of the standard tools for making payment retries safe, but they do not fully protect the underlying business transaction. In financial systems, duplicate processing...

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March 16, 2026

Owlyn: Building a Multimodal Agent Ecosystem for Live Technical Interviews and R...

This article documents the system architecture behind Owlyn, a real-time multimodal agent platform designed for live technical interviews, workspace assistance, and session monitoring. It ex...

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January 20, 2026

Designing a Flight Search Engine: Architecture, Caching, and Trade-offs

This article documents the system design behind Flight33, a flight search engine built around explicit architectural boundaries, deterministic caching, and stable data contracts. It explores...

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