Thinking & Technical Writing
Essays and deep dives focused on reliable distributed systems, fintech architectures, performance engineering, and product execution.
Nov 14, 2025
Microservices Challenges — boundaries, failures, observability
Practical guidance on service boundaries, failure domains, and building observable systems.
Nov 14, 2025
Payment Webhooks — reliability, retries, signing, idempotency
Designing webhooks that deliver reliably across providers with strong verification and safe retries.
Nov 14, 2025
SQL Performance — indexing, EXPLAIN plans, query tuning
A pragmatic guide to making SQL fast with the right indexes and query shapes.
Nov 14, 2025
Wallet Ledger Systems — how they work and why they matter
A practical look at double‑entry ledgers, atomic transfers, and building reliable wallet systems.