Ready to ace your next interview?
Take the Formation Technical Interview Readiness Assessment (TIRA) to get detailed feedback on where you're ready to interview and where you need to level up.
What will the printList()function output after the following code?
head.next = new Node(2);
n1 = new Node(3);
n1.next = head;
head.next.next = new Node(4);
head.next = new Node(5);
printList(head);
WHO IT'S FOR
The TIRA is for you if…
You are gearing up to interview in a tougher market
You want a clear read on where to level up
You want to see the companies we think you'd pass/fail at
You already have a working command of data structures
You
BEFORE YOU START
45min
Need to step away midway through? No problem — your progress is saved.
Measures Technical Interview readiness
Get questions on core topics like Arrays, Linked List, Binary Trees etc.
Use Javascript or Python
Pick whichever coding language you feel most comfortable in.
Get detailed results
A clear breakdown of your skills and honest signal on where you're interview-ready.
DETAILED RESULTS
Get useful feedback
WHY IT WORKS
Built by Engineering Hiring Managers
As early engineers at Meta, we collectively interviewed thousands of software engineering candidates and noticed the same skill gaps popping up over and over. We built this benchmark with one simple goal in mind: to help exceptional engineers level up and land life-changing roles.
Michael Novati
Founder and CTO
8+ years as Senior Staff Software Engineer @Facebook
Top all-time committer to @Facebook’s codebase during his tenure
Founded Formation to help create more diverse engineering teams
Sophie Novati
Founder and CEO
6+ years as Staff Engineer @Facebook, @Nextdoor
Interviewed and mentored 100+ software engineers
Founded Formation to fix the inequities in the tech industry
