Engineering researcher. APIs, databases, infrastructure, systems design.
Service mesh marketing tells you that mTLS-everywhere is the modern security baseline. The honest answer for most teams is that simpler patterns achieve nearly the same security with a fraction of the operational overhead, and the mesh becomes correct only at a scale most teams do not reach.
EXPLAIN tells you what the database is actually doing with your query. Most developers learn enough to spot a sequential scan and stop there. Here is what the rest of the output is trying to tell you.
Sending email from your SaaS is a line of code. Getting that email to actually reach the inbox is a years-long discipline of authentication records, reputation management, and infrastructure choices that no one explains until your customers stop receiving notifications.
Most webhook integrations start with one URL hardcoded in a settings page. Then customers ask for per-event routing, per-environment filtering, retry visibility, and the schema that started as a single text field becomes a subscription system. Here is the migration path.
TimescaleDB and InfluxDB are the reflexive answers when someone says time-series. They are correct at scale and overkill at the scale most products operate at. SQLite handles billions of rows of time-series data with a few specific patterns that most teams never learn.
For three centuries the mechanical calculator was the high-precision instrument of arithmetic — Pascal's adding machine, Leibniz's stepped reckoner, the Brunsviga, the Curta. The engineering that solved arithmetic in brass and steel is mostly forgotten, and the institutional coll...
GraphQL gets sold as the modern replacement for REST. The honest comparison is messier — GraphQL solves a real problem at large scale, creates several new problems at any scale, and is mostly the wrong default for the kind of API a small team actually needs to ship.
HTTP compression is one of the highest-leverage performance optimizations available, and one of the easiest to implement badly. The honest design space involves Brotli vs gzip selection, what not to compress, the CPU-versus-bandwidth trade-off, and the webhook-signature problem m...
Most webhook documentation focuses on the sender. The consumer side has its own design space — ack-fast queueing, idempotency by event ID, signature verification on raw bytes, and a small set of patterns that distinguish receivers that quietly drop events from receivers that surv...
The Roman road network ran 400000 kilometers across three continents and stayed in use for fifteen centuries after the empire that built it collapsed. The engineering vocabulary it developed — surveying, drainage, aggregate layering, milestones — became the foundation of every road tradition since.
File uploads look like a solved problem and turn into the most consistent source of production incidents in any web service. The honest design space involves validation, streaming, storage isolation, and a long list of failure modes that the framework defaults paper over.
Bulk endpoints look simple from the outside and turn into operational landmines from the inside. The honest design space involves transactions, partial failures, idempotency, and quota accounting in ways the marketing copy never mentions.