https://thomascaron.cloud/writing Notes on data platforms, FastAPI, OpenTelemetry, Arrow, and other things that keep production boring. en https://thomascaron.cloud/writing/value-as-software-engineer https://thomascaron.cloud/writing/value-as-software-engineer When code is free, what is the engineer paid for. Mon, 04 May 2026 12:00:00 GMT https://thomascaron.cloud/writing/skill-evals https://thomascaron.cloud/writing/skill-evals Notes from a second pass after Berkeley and Anthropic. Tue, 28 Apr 2026 12:00:00 GMT https://thomascaron.cloud/writing/end-of-glue-code https://thomascaron.cloud/writing/end-of-glue-code Why most of data engineering is glue, and why that is about to change. Fri, 24 Apr 2026 12:00:00 GMT https://thomascaron.cloud/writing/httpx-async-lifecycle https://thomascaron.cloud/writing/httpx-async-lifecycle Four defaults that cost file descriptors, latency, and pool capacity. Fri, 27 Mar 2026 12:00:00 GMT https://thomascaron.cloud/writing/fastapi-di-patterns https://thomascaron.cloud/writing/fastapi-di-patterns The three settings that matter between the first deploy and the hundredth. Fri, 06 Mar 2026 12:00:00 GMT https://thomascaron.cloud/writing/content-negotiation https://thomascaron.cloud/writing/content-negotiation HTTP content negotiation is still doing work nobody remembers giving it. Fri, 13 Feb 2026 12:00:00 GMT https://thomascaron.cloud/writing/arrow-ipc-http https://thomascaron.cloud/writing/arrow-ipc-http Streaming columnar data straight into pandas, polars, and duckdb. Thu, 04 Dec 2025 12:00:00 GMT https://thomascaron.cloud/writing/opentelemetry https://thomascaron.cloud/writing/opentelemetry Why I install it on day one, every time. Sat, 17 May 2025 12:00:00 GMT