Ledger Database Architecture: Double-Entry Accounting at Scale (2026)
A ledger database architecture for fintech: double-entry invariants, immutable append-only design, balance consistency, TigerBeetle-class throughput, and audit.
Dapr for Distributed Microservices: A 2026 Tool Deep-Dive and Tutorial
A Dapr deep-dive for 2026: building blocks, the sidecar model, service invocation, state, pub/sub, workflows, and how Dapr abstracts infrastructure on Kubernetes.
Asynchronous Processing Architecture Patterns (2026)
Asynchronous processing patterns for 2026: queues, the outbox pattern, idempotency, backpressure, retries, dead-letter queues, and exactly-once semantics.
Temporal Durable Workflows: A 2026 Tutorial
A 2026 Temporal tutorial: durable execution explained, workflows vs activities, a worker setup with code, retries and timeouts, and production gotchas.
Best Free System Design Resources to Learn in 2026
Curated, ranked guide to the best free system design videos, books, and labs in 2026 — what each teaches and how to sequence them.
Idempotent API Design: The Complete Engineering Guide
Idempotency keys, conditional requests, dedup stores, and natural idempotent operations — the production blueprint for safely retryable APIs in 2026 at scale.