Harvey technical phone screen interview

Round 3 of 7 · 2 questions reported

See the whole loop
Length
60 min
Format
Live coding in a shared editor
They grade
One medium problem (arrays, strings, hash maps, sometimes parsing), working and tested code, reasoning out loud
Heads-up
The set of problems is small and stable: tagging citations or highlights in text, an in-memory file system, a spreadsheet with formulas. Recruiters often hold a prep call first.

Questions Harvey asks in this round 2

  • Deduplicate files by size then content hashCodingWalk a directory tree and group files with identical content. Compare file sizes first so large files are hashed only when sizes collide, then hash the rest. Be ready to discuss…
    Last asked Sep 2026
  • Virtualized spreadsheet grid in React with cell formulasCodingBuild a spreadsheet in React. The grid is large, so render only the rows and columns in view and keep scrolling smooth. Cells can hold plain values or formulas that refer to other…
    Last asked Jul 2026