Sources checked 2026-08-10
A genuine engineering loop, coding on HackerRank over Zoom plus a decision-bearing behavioral hour where a weak reason for Bloomberg turns down strong coders.
3 of 5 stages you can practise here
Timed DS&A coding, typically 1-3 problems in roughly 60-90 minutes. Standard for new-grad and intern pipelines; sometimes waived for experienced or referred candidates. Whether a given candidate gets an OA vs. going straight to a phone screen varies.
Warm, logistics-first conversation
Brief intros, maybe one warm-up question, then straight into 1-2 DS&A problems in a shared editor
Typically 2-3 technical rounds plus a behavioral/motivation component, ~45-60 min each. Composition varies by level: new grads see coding-heavy loops with a Bloomberg-style object-oriented design round and little/no system design; senior candidates are more likely to get a finance-flavored system design round.
4 rounds you can practise
Same collaborative-but-persistent cadence as the phone screen, dialed up
A design-lite coding round, characteristic of Bloomberg: you model a small system in classes and then implement the core methods
A spoken, whiteboard/diagram discussion, mainly for experienced hires and often finance-data-flavored
Conversational, sometimes woven into other rounds or given a dedicated slot
Bloomberg has historically interviewed candidates generally and team-matched afterward (a hiring-pool model) rather than for one specific team, though some teams run direct loops. Persistence of this model into 2026 is unverified.
Built from what Bloomberg publishes about its own process and from real interview data. No leaked question lists. The questions you get are generated against your own resume, so they are not from anyone else's interview.
Confirms Bloomberg's two public SWE levels (Software Engineer, Senior Software Engineer) and compensation. No interview-process detail on the page.
Confirms Blind 75 / Grind 75 as the canonical DS&A prep lists that map cleanly onto Bloomberg's coding topic set (arrays, strings, hashmaps, linked lists, trees, graphs).
Official source for the company blurb and any published engineering values/how-we-hire content. Bot-blocked to automated fetches (403, or 301 to a marketing page that 403s); a human can read it.
Sources last checked . Hiring loops change, so this date is the honest limit on everything above.