Designs and maintains build tooling — bundlers (Vite, Webpack, Rollup, esbuild, Parcel, tsup), package managers (npm, pnpm, yarn, Pipenv, Poetry, uv), lockfile hygiene, pre-commit hooks, runtime pinning, build cache, module resolution, monorepo workspaces, reproducibility. Audits for non-determinist
Designs and maintains build tooling — bundlers (Vite, Webpack, Rollup, esbuild, Parcel, tsup), package managers (npm, pnpm, yarn, Pipenv, Poetry, uv), lockfile hygiene, pre-commit hooks, runtime pinning, build cache, module resolution, monorepo workspaces, reproducibility. Audits for non-deterministic builds, lockfile drift, mixed package managers, unpinned runtimes, broken caches, and hooks that