LinkedIn Interview Experience for Staff Software Engineer 2020

Status: Working in SFO as a Senior Staff/Principal Software Engineer.

Position: Staff Software Engineer.

Location: California.

Phone Interviews: Background/Staff Interview: (60 mins)

• 10 minutes – Brief introduction to the interviewer
• Leadership: The roles of SE and SSE and how to transition from SE to SSE, as well as conflict resolution with your peers
• Implementation: A few high-level SD questions. Components with a single monolithic application
• Craftsmanship: How did you fare? – challenges, as well as most proud work, etc.
• 5 minutes for any questions from the interviewee.

Technical Phone Screen: (60 mins)

5 mins – Quick intro on interviewer

1. Question #1: In Reverse Polish Notation, calculate the value of an arithmetic expression.[https://www.geeksforgeeks.org/evaluate-the-value-of-an-arithmetic-expression-in-reverse-polish-notation-in-java/]
2. Question #2: check for pair in a given array with sum as the given target. [https://www.geeksforgeeks.org/given-an-array-a-and-a-number-x-check-for-pair-in-a-with-sum-as-x/]

Follow up: same question is asked for three elements of the array sum.[just talk no implementation].

Suggestions:

• Please follow up with examples from your own life for each question in the background round.
• Discuss all possible solutions to the problems and why you chose the one you implemented in the phone interview.

Onsite Interviews:

Host Manger Round: (60 mins)

Explained about his role. and asked some questions:

• How you are managing people. Hiring/firing?
• Daily life activities?
• How much you code daily, and what platform you are using for code?
• Web architecture as it stands today
• When do you involve your Manager?
• Some system design scenarios: How do we handle company merger scenarios? Scenarios of migration.

Coding + Algorithm: (60 mins)

1. Minimum sum of product of two arrays. [https://www.geeksforgeeks.org/minimum-sum-product-two-arrays/].
2. Print leaf nodes of a Binary Tree. [https://www.geeksforgeeks.org/print-leaf-nodes-left-right-binary-tree/]

Lunch Interview Round: (60 mins)

Feedback is recorded here.

• Graph of economics
• On ML Opportunities, I inquired about LinkedIn culture/framework.
• Which companies are you interviewing with?
• What do you hope to accomplish in the new companies?

Staff Craftsmanship: (60 mins)

Some questions were focused on:

• Quality
• Review of the code
• The significance of a test suite.
• Is there a cost to code review?
• How did you teach your junior engineer about craftsmanship, give example?
• Ability to make decisions and lead by example.
• Choose between scalability, performance, and quality.

Suggestions:

• Concentrate more on this because it is critical for Staff SE. Understanding SD will help but be prepared for anything.
• Before you begin coding, be prepared to explain the strategy/algorithm and reach an agreement on it.

Feedback:

Recruiter called after 2 days and said I was selected for the staff software engineer.

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