Elman Huseynov
Tech Interviews

The Complete Guide to FAANG Technical Interviews

5 min read

Related service: Mock interviews

Episode 10. The stage that decides is the one you are not in

The FAANG interview process has 5 stages.

A recruiter screen, a technical phone screen, an onsite loop of 4 or 5 rounds. Then a debrief, and team match.

The decision happens in the debrief, from written notes, by people who never met you.

I have sat on both sides. 100+ interviews run, my own loops at Google, Amazon, Meta and Shopify.

Who decides a FAANG interview offer?

A committee that never met you. Your interviewers do not vote; they write up what happened, and the group reads it.

StageLengthWho decides
Recruiter screen20-30 minRecruiter
Technical phone screen45-60 min1 engineer
Onsite loop4-5 hoursNobody yet
Debrief or hiring committee30-60 minA group, from written notes
Team match and offerdays to weeksHiring manager and recruiter

The strength of that written evidence depends on how easy you made their job.

The 5 stages of a FAANG interview: recruiter screen, phone round, onsite loop, debrief and team match, with who decides at each one
The 5 stages of a FAANG technical interview

Stage 1: the recruiter screen

A filter, 20 to 30 minutes. The recruiter checks that you are real, available and at the right level.

Two mistakes cost people the stage.

Giving a salary number first. You do not have to. If they push, ask for their band.

Being vague about level. Say “senior or staff, I am flexible” and you get the lower one.

Ask the recruiter what the loop looks like. Most candidates never do.

Stage 2: the phone screen

One engineer, 1 or 2 problems, 45 to 60 minutes in a shared editor. You pass by making your reasoning visible.

  1. Restate the problem in your own words.
  2. Ask about input size, edge cases and what “valid” means.
  3. Say the brute-force approach and its cost.
  4. Say why you are not doing that.
  5. Write the real solution.
  6. Walk 1 example through it by hand.

Step 6 catches more bugs than staring at the code.

Six steps in a FAANG technical interview phone screen: restate the problem, ask about input size, cost the brute force, say why not, write the real solution, then walk an example by hand
The 6 moves in a phone screen

Stage 3: the onsite

4 to 5 rounds in a day. Typically 2 coding, 1 system design, 1 behavioural, sometimes 1 domain deep-dive.

FAANG coding interview questions

You are tested on what you do when the problem is new. Learn about 15 patterns rather than 300 problems.

2 pointers, sliding window, binary search on the answer, BFS and DFS, topological sort.

Union find, heaps, intervals, prefix sums, backtracking, dynamic programming, tries, monotonic stack, greedy.

Almost every question is one of those in a costume. AlgoPath trains the naming.

The fifteen algorithm patterns behind FAANG technical interview coding rounds, from two pointers and sliding window through to greedy
The 15 patterns behind the coding rounds

The 8-week version is in how to prepare for a FAANG interview.

The system design round

Senior candidates lose offers here most often. They start designing before they know what they are designing.

Spend the first 8 minutes on requirements. Who uses this, how many, what must never break. Design to those numbers.

The full procedure is minute by minute.

FAANG behavioral interview questions

Weighted more heavily than candidates expect. At staff level it can decide the loop.

Write 8 stories. A conflict, a failure, a time you changed your mind, a time you cut scope.

Each needs the situation in 2 sentences, what you did, the outcome with a number.

Then what you would do differently, the part people skip.

Stage 4: the debrief

Your interviewers write up their notes and meet. Reasoning they cannot rebuild from the notes does not exist.

Things that make you easy to write up:

  • You said your assumptions out loud, so they got recorded.
  • You named the tradeoff, not just the choice.
  • You gave a number: latency, cost, team size, timeline.
  • You finished a thought before starting the next one.

Hard to write up: silences, jumping between ideas, “it depends” without saying on what.

What makes a FAANG technical interview candidate easy to write up: assumptions said out loud, the tradeoff named, a number given, and finished thoughts
What makes you easy to write up

Stage 5: team match and offer

Some companies hire you and then match a team; at others the team hires you. Ask which.

If the company hires you, you can turn down a team without losing the offer.

The first offer is rarely the last. What is negotiable goes well beyond base.

How to pass a FAANG interview: what gets people rejected

From inside the debriefs, rejections almost never say the candidate did not know the algorithm.

They say: never clarified requirements, jumped to code, could not explain a choice. Or went quiet for 4 minutes.

Every one is fixable in a week. None are on LeetCode.

Does a referral help?

A referral gets your CV read and that is all. It does not survive a weak loop.

Ask people who have seen your work. More in the hidden job market is mostly referrals.

Common questions

How long does the whole FAANG interview process take?

Six to 10 weeks is typical, from recruiter screen to signed offer. The gaps between stages are longer than the stages. Amazon and Meta move fastest. Google is slowest, because of the committee step. Running several loops? Ask each recruiter to align the timing early.

Can you fail one round and still get the offer?

Yes, and it happens often. One weak round out of 5 is survivable when the others are strong. And when the interviewer wrote up what you did well. 2 weak rounds usually ends it. At staff level a weak system design round ends it alone. That round carries the most weight.

How long should you wait before reapplying after a rejection?

Most of these companies set a 6 or 12 month cooldown. The recruiter will tell you which applies. The clock starts at the rejection, not the application. Use the time on the thing that failed. Reapplying with the same preparation produces the same debrief notes.

Does the level you interview for change the questions?

The coding questions barely change. Everything else does. At staff the system design round gets more ambiguous. The behavioural round asks about influence without authority. The bar for the debrief write-up is higher. Ask the recruiter which level you are targeting first.

What is a FAANG interview?

A FAANG interview is the hiring loop at Meta, Amazon, Apple, Netflix and Google. It has 5 stages. A recruiter screen, then a technical phone screen. Then an onsite of 4 or 5 rounds. Last come the debrief and team match. The debrief decides. You are not in the room for it.

The short version

The loop has 5 stages. The one that decides is the one you are not in.

Ask the recruiter for the format. Learn 15 patterns, not 300 problems.

Spend the first 8 minutes of system design on requirements. Write 8 behavioural stories with numbers in them.

Say your reasoning out loud so it survives into the notes.

For a scored run before the real one, book a mock interview. You get the same scorecard a real panel would fill in.