Microsoft Software Engineer Interview
Coding with an edge-case and debugging focus, growth-mindset behavioural, and a senior "As-Appropriate" round.
A free AI panel interview that questions you in Microsoft’s style, follows up when an answer is thin, and returns a scored, evidence-backed report — seeded from your own practice history on Wrexa Edge.
The Microsoft interview, in brief
Microsoft's software-engineer hiring tests coding/DSA, system design (from mid-level up), and behavioural/culture fit over roughly three to five weeks. It is a top-tier bar, generally regarded as slightly less brutal than Google or Meta on raw algorithmic difficulty, with stronger emphasis on clean code, edge-case rigour, a growth mindset, and clear communication.
A recruiter screen is followed (for university/new-grad funnels) by an online assessment on Codility, then a technical phone screen, then an on-site or "final loop" of four to five interviews: coding rounds, a hiring-manager round, and — for mid-level and up — a system-design round. A senior "As-Appropriate" (AA) interviewer acts as a bar-check across the loop.
Interview rounds
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Recruiter screen 15–30 min · non-technical
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Online assessment (OA) ~60–90 min · Codility
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Technical phone screen 45–60 min
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On-site / final loop 4–5 interviews · ~45–60 min each
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As-Appropriate (AA) round Senior bar-check
Coding & DSA topics
System design
New grads (L59–L60) generally get no full system-design round — at most a design-lite / object-oriented discussion. SDE II (L61+) can expect a component/service design round; senior roles go deeper into distributed systems and consistency/availability trade-offs.
Behavioural round
Microsoft looks for a growth mindset ("learn-it-all" over "know-it-all"), collaboration, handling disagreement, dealing with ambiguity, customer impact, and learning from failure. STAR(R) is recommended on Microsoft's own interview-tips page. Unlike Amazon, Microsoft publishes no numbered leadership principles for candidates.
Representative question categories
Patterns in Microsoft’s style — not verbatim proprietary questions.
- Arrays & stringsIn-place transforms, anagram/substring, two-pointer or sliding-window problems.
- Linked listsReverse a list, detect/remove a cycle, merge sorted lists.
- Trees & graphsTraversals, validate a BST, lowest common ancestor, grid shortest path.
- Debugging / testingFind, fix, and walk the test cases for a buggy function.
- Low-level / OO designDesign a parking lot, elevator scheduler, or deck of cards (mid-level).
- Behavioural (STAR)"Why Microsoft?", a conflict with a teammate, or a time you failed and what you learned.
How to prepare
Do
- Write clean code and walk your own test cases — Microsoft weights edge-case rigour and debugging heavily.
- Be ready to be handed a small buggy function to find and fix.
- Frame behavioural answers around a growth mindset: what you learned, how you adapted.
- Communicate as you go; clarity is scored alongside correctness.
Avoid
- Optimising for the clever solution while ignoring edge cases and testing.
- A fixed-mindset behavioural answer that avoids owning a failure.
- Silence during problem-solving — Microsoft values the visible thinking process.
Who can apply
New grads enter around L59–L60 (BS/MS in CS or related); SDE II is ~2–5 years, Senior SDE ~5–8+. Level maps come from community data, not official Microsoft figures, and there is no published CGPA cutoff.
Microsoft interview FAQ
- What is the Microsoft "AA" or As-Appropriate round?
- Historically a final interview that happened only if a senior interviewer felt it appropriate; it is now a standard bar-check that every senior interviewer rotates through. The term is informal, but the round carries strong weight in the hiring debrief.
- Does Microsoft have leadership principles like Amazon?
- No. Microsoft publishes no numbered leadership principles for candidates. It emphasises a growth mindset and values such as respect, integrity, and accountability, and recommends the STAR method for behavioural answers.
- How hard is the Microsoft coding interview?
- Predominantly LeetCode Easy–Medium with occasional Hard at senior levels. Microsoft weights clean code, edge cases, testing, and communication as much as reaching the optimal solution.
- Does Microsoft ask system design for new grads?
- Generally no — new grads get coding and behavioural, with at most a design-lite discussion. System design appears at SDE II (L61+) and becomes deeper at senior levels.
Practise now
Rehearse the full loop with an AI panel modelled on Microsoft’s process, in text, voice, or video.
Other company interviews
Verified from
- Microsoft Careers — interview tips
- Microsoft DevBlogs — the As-Appropriate interviewer
- IGotAnOffer — Microsoft SDE guide
Wrexa Edge is an independent exam-prep platform and is not affiliated with, authorised by, or endorsed by Microsoft. This guide is based on publicly documented interview practice; it does not reproduce any employer’s internal rubric or question bank, and it does not predict a hiring outcome.