Mid Full-stack at Activision Blizzard

Full-stackMidOffer◆ Commonly asked· 2023

5-round mid fullstack process. Fundamentals mattered as much as getting to an answer.

The loop · 5 rounds

Round 01 · 3 questions

DSA / Coding

Data structures & algorithms on a whiteboard or shared editor.

Longest increasing subsequence.
MidHard◆ Commonly asked
#dp#binary-search
PracticeLeetCode GeeksforGeeks
Set matrix zeroes.
MidMedium◆ Commonly asked
#matrix
PracticeLeetCode GeeksforGeeks
Find minimum in rotated sorted array.
MidMedium◆ Commonly asked
#binary-search
PracticeLeetCode GeeksforGeeks

Round 02 · 2 questions

Machine Coding

Build a working component or service under time pressure.

Build a tic-tac-toe game with win detection.
MidEasy◆ Commonly asked
#react#state
PracticeGeeksforGeeks Search
Build a toast / notification queue.
MidMedium◆ Commonly asked
#react#state
PracticeGeeksforGeeks Search

Round 03 · 1 question

Low-Level Design

Object-oriented / low-level design of a focused module.

Design a vending machine.
MidEasy◆ Commonly asked
#oop#state-machine
PracticeGeeksforGeeks Search

Round 04 · 3 questions

Tech Deep-Dive

Deep questions on your core stack and fundamentals.

Explain connection pooling and why it matters.
MidMedium◆ Commonly asked
#databases
PracticeGeeksforGeeks Search
Explain the JS event loop: microtasks vs macrotasks.
MidMedium◆ Commonly asked
#javascript#event-loop
PracticeGeeksforGeeks Search
Explain CORS and how a preflight request works.
MidMedium◆ Commonly asked
#browser#security
PracticeGeeksforGeeks Search

Round 05 · 2 questions

Behavioral / HR

Values, collaboration, and past-experience (STAR) questions.

Describe a time you improved a process or tool for your team.
Mid◆ Commonly asked
#ownership#star
When did you have to make a decision with incomplete data?
Mid◆ Commonly asked
#judgment#star

◆ This experience is composed from commonly reported questions for this role and level. Real, individually-shared interviews will be layered in over time.