Juniper Networks

Tech Lead Interview Experience - San Jose, California

April 1, 2012

Positive ExperienceNo Response

Process

Phone interview followed by in-person interview.
In-person interview with a panel of 6 members. Each person took around 45-60 minutes.

Questions

OS concepts: semaphore, mutexes. Can global variables be uninitialized in the run-time image?
Describe file system implementation in Unix. Explain fork().
How does Valgrind work?
Two linked lists merge at a point. Write code to detect this.
How many NULL pointers can a binary tree have?

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Interview Statistics

The following metrics were computed from 1 interview experience for the Juniper Networks Tech Lead role in San Jose, California.

Success Rate

Pass Rate

Juniper Networks's interview process for their Tech Lead roles in San Jose, California is extremely selective, failing the vast majority of engineers.

Experience Rating

Positive100%

Neutral0%

Negative0%

Candidates reported having very good feelings for Juniper Networks's Tech Lead interview process in San Jose, California.

Juniper Networks Interview Questions

Coin Change

Medium

Given a set of coin denominations and a target amount, find the minimum number of coins needed to reach that amount. You can assume you have an unlimited supply of each coin type.

ArraysDynamic Programming

Add Two Numbers II

Medium

You are given two linked lists representing two non-negative numbers. Add the two numbers and return the sum as a linked list. The digits are stored in reverse order, and each of their nodes contains a single digit.

Linked ListsStacksRecursion