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Technical Interviewing

Projected Time

About 2 Hours

Prerequisites

Motivation

Regardless of a person's experience level, it's important to be relatively comfortable answering the types of questions you can expect in a technical interview. The more of your mental energy that is focused on solving technical questions posed by an interviewer instead of trying to recall a basic concept of programming, the more confident you will feel and the more successful you'll be.

Which companies focus on technical and coding skills?

HackerRank is one of those websites or platforms that will help you get to into you dream companies. It conducts various coding competitions and hackathons through which coders directly get into those companies. It also has practice questions to help you improve your coding skills. It conduct contests on algorithms, machine learning and many new trending technologies. Some of these companies are Amazon, RedHat, Uber and many more. You can find the details here.

Objectives

Participants will be able to:

  • Solve problems using common data structures.
  • Describe their thought process while solving a problem.
  • Analyze their solution for performance improvements.
  • Build a usable app that interacts with a public API.
  • Demonstrate knowledge using a whiteboard.

Specific Things to Learn

  • Whiteboarding
  • Pair programming
  • Code challenges
  • Fetching data remotely and rendering
  • Form submission

Materials

Lesson

Read through lesson slides Introduction to Technical Interviewing

Common Mistakes / Misconceptions

  • Be careful to answer the question that's being asked.
  • Avoid assuming the question is one you have already practiced.
  • Don't rush.
  • Make sure to come prepared with questions to ask as well. For example, find out as much as you can about what technologies and tools they use.

Guided Practice

Walk through several example questions and demonstrate successful and unsuccessful attempts to answer questions. Choose different types.

Independent Practice

Look through the materials sections of this guide and try a variety of different challenges. Do several questions for each website and then move on to the next one. Get comfortable with questions that feel and look unfamiliar.

Challenge

  • Build a small React app that fetches some data from an API. Try finding something at Any API for example to provide an API service to use.
  • When the participant is able to fetch data and render it in their own React app have them manipulate the data in some way. For example, make every third word of a paragraph all caps.

Check for Understanding

Participants give each other whiteboard examples to solve and pair program using example questions. In each example, one participant will be the interviewer and another will be interviewed. Time the questions to get a sense of how an interview will feel.

Supplemental Materials