Architecture
Notes on system design decisions — the reasoning behind the architecture, not just the diagram. Articles marked Verified are patterns drawn from production employment history; articles marked Reference are representative architectures for AI systems and commerce integrations, not tied to a specific employer.
Full Stack
2 min readBuilding High-Throughput REST APIs
The handful of decisions that determine whether an API holds up under real production load: rate limiting, caching, and pagination, done deliberately.
Data
2 min readCaching Strategies with Redis
Cache-aside versus write-through, and how to choose based on how your data is actually read and written.
Distributed Systems
3 min readDesigning Async Processing with Kafka and Worker Queues
Kafka and a job queue solve overlapping but different problems. Choosing between them comes down to consumers, ordering, and replay.
Full Stack
3 min readDesigning Authentication with OAuth 2.0, OIDC and RBAC
How authentication, identity, and authorization fit together — and why conflating them is where most access-control bugs come from.
Distributed Systems
3 min readDesigning Event-Driven SaaS Systems
When to reach for an event bus instead of direct service-to-service calls, and how to do it without losing the ability to reason about your system.
Reliability
3 min readDesigning Reliable Third-Party Integrations
Third-party APIs will fail in ways you don't control. The patterns that keep your system reliable anyway: retries, circuit breakers, and dead-letter queues.
Cloud
3 min readKubernetes Deployment Strategies for SaaS
Progressive delivery on Kubernetes: why staged rollout with automated rollback beats all-at-once deploys for production SaaS.
AI Systems
3 min readProduction AI Service Architecture
Treating an LLM provider like any other unreliable, latent, rate-limited external dependency — a reference architecture for AI-enabled services.
Data
3 min readScaling PostgreSQL for High-Read Workloads
A practical order of operations for scaling read-heavy PostgreSQL workloads — before you reach for a bigger instance.
Commerce
3 min readTransaction & Payment Integration Architecture
A reference pattern for connecting commerce-oriented applications to payment and identity providers without risking duplicate charges or spoofed events.