1555 real Microsoft interview questions (2026): Microsoft Online Assessment for Software Engineer SDE2 Position. Verified candidate reports — coding, system design, behavioral.

微软最新OA SDE2

Microsoft Onsite SD

巨硬AI principal applied scientist全套

Microsoft SWE II OA

Microsoft 电面

Microsoft Software Engineer II 面经 2026

【求米】Microsoft Copilot 组 Research Intern 面经

巨硬OA巨硬OA巨硬OA

雷霆VO体验

Microsoft SDE-2 面经

微软 Microsoft Senior SWE 面经｜技术初筛＋四轮 Hiring Event

巨硬sr电面VO挂经

 MAI infra VO没见过的题

微软 2026/2027 OA 面经 (LC原题/75min)

巨硬hackrank OA

巨硬新鲜电面

Microsoft L5 SWE Tech Screen

Microsoft L61 SE HackerRank Live Coding 面经

店面MAI后缀最大值出现次数

微软 PE（65）面经

Microsoft runs two parallel hiring tracks that share a recruiter pool but very little else.

## Traditional Loop (Azure / Copilot / Cloud / Office)

Most non-MAI teams use either a **team-specific virtual onsite (VO)** or the standardized **Hiring Event (HE)** track. Both formats land in the same place — four 60-minute rounds — but HE is back-to-back from roughly 8:00am to 1:30pm Pacific with 30-minute breaks, and the slot cannot be moved (HE batches run on fixed weekdays; candidates pick the week, not the time of day). Team-招 VOs are more flexible on time.

Typical four-round shape:

- 3 × coding + BQ (45-50 min coding after 10-15 min behavioral)
- 1 × system design (sometimes substituted with an OOD round)

The HE bar is roughly L61/L62 (SDE II). Failing HE triggers a **6-month freeze on HE re-entry**, but you can still apply through team-招 postings during that window. Team-招 has no such global freeze.

Phone screen, when present, is a single 45-60 minute technical round. Recruiter screens are short logistics calls — process intro, level expectation, location.

After the loop, decisions usually arrive within 1-2 weeks. Team-match for HE candidates can stretch significantly (weeks of org shopping) because HC approval is decoupled from team selection.

## MAI / Microsoft AI Loop (Mustafa Suleyman's org)

MAI runs its own loop and recruiter pool. Structure varies by sub-team (Copilot, pretrain, post-train infra, Bing, Super Intelligence) but the common shape is:

- HM phone (background + level routing)
- 1-2 technical phone screens (often ML-coding, OAI-style problems)
- 4-6 round onsite: project deep dive + 2-3 coding + 1-2 system design (sometimes ML system design) + HM/culture

Onsite is one day rather than HE's two-day option. Recent Copilot / MAI onsites (2026 Q2) increasingly label the coding rounds as "AI Coding Agent" rounds, sometimes paired one with-AI and one without-AI (see the tooling briefing); the deep-dive round may ask you to send a PR link and walk the live diff. MAI coding consistently uses OpenAI-style prompts (in-memory DB, beam search, batch dataloader, stop token detection, DNA sequence reconstruction) — candidates who only prepped LeetCode are blindsided. Recruiters do not pre-share the topic list.


2026 Principal loops can be scheduled as a phone screen followed by a two-day virtual onsite rather than a single HE block. The shape is still four main VO rounds: behavioral plus system design, AI-fluency / applied-AI discussion, another behavioral plus system design, and an OOD coding round.

**September 2026 — a three-round senior SWE onsite variant.** A senior SWE process can consist of a technical phone screen followed by three onsite rounds. One such loop combined a project-based behavioral opener and implementation discussion in the first round, two technical exercises in the second, and a library implementation in the third. The four-round formats above do not cover every team-specific loop.

**September 2026 — a five-round SDE II variant.** A team-specific loop can span five rounds: coding with basic data-structure discussion; an AI-assisted design and coding exercise; system design with a hand-written implementation component; an operating-systems and C++ discussion tied to resume projects; and a behavioral review of past work and achievements. Round count and the balance between coding, design, and domain knowledge vary by team. This format does not establish a replacement for the Hiring Event schedule above.


Loop Structure & Timeline

Leveling: 61 / 62 / 63 / 64+

Tools, Languages & AI Policy

MAI Coding Prep: Pivot Off LeetCode

Intern & NG Loop

Microsoft runs two parallel hiring tracks: the standardized Hiring Event (HE) loop covering Azure, Cloud, Copilot, and Office orgs, and Mustafa Suleyman's MAI org with its own recruiter pool and a distinctly OpenAI-flavored coding rotation. The HE bar is consistent — four 60-minute rounds back-to-back on a fixed weekday — with medium-difficulty algorithms and one system-design slot; MAI loops add project deep-dive depth and pull problems from an in-memory-DB / beam-search / streaming-decoder pool that does not overlap with classic LeetCode prep.

DNA Shotgun Sequencing

Microsoft interview questions (2026)

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Real Interview Questions
from Real Candidates