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Turn the path into reviewable evidence with its scoped project milestones and explicit grading criteria.
Write a Node.js command-line tool that processes a large text file (a log or CSV) WITHOUT loading it into memory: read it as a stream, transform each...
Build an HTTP API in Node (raw http or Express/Fastify) that is production-shaped: configuration from environment variables with sane defaults and...
Design, build, and publish (to npm or a local/verdaccio registry) a reusable package that offloads a CPU-bound task (hashing, parsing, number...