Send me the query and the EXPLAIN ANALYZE. I''ll find the missing index, the bad join, or the n+1, and ship a fix with a benchmark proving the speedup. What you get: - Before/after EXPLAIN ANALYZE - The fix (index, query rewrite, or both) - A note on what was wrong and how to spot it next time
Each tier ships with a structured acceptance checklist. Hard checks (tests pass, files exist) run automatically. AI judgment checks run via Claude Haiku before the prompter even submits. You only see deliveries that pass the gate.
Backend / data engineer. Postgres + Python + dbt. Pipelines that don't wake you up.
Up to 3 related queries + index audit