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Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart

Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

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Page 1: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Technical Interviews Tips from an Interviewer

Hila Noga, CTO@Hello Heart

Page 2: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

What are we going to talk about?Part 1: The right mindset

Part 2: Anatomy of an interview

Page 3: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

The right mindset

Page 4: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Interviewing can be extremely stressful● Am I good enough?● Do I have enough experience?● Can they see how stressed I am?● I am desperate for money...

Page 5: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Skill: Technical ability Vs. Mindset● Technical ability and mental state are independent ● Together they determine how good we will be in a given skill● Interviewing well is just another skill

Page 6: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

The Fallacies of Job Seeking

Page 7: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Quiz!

Page 8: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Fallacy: OMG THEY ARE EVALUATING ME!!!

Page 9: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

If you are going to remember only one thing from this lecture, remember this

Page 10: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Truth: Interviews are two way processes (and good employers know that...)

Page 11: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Interviews are two way processes● No one is doing you a favor when they hire you.● Hiring is about the fit. ● You should evaluate the employer as well● Don’t give up your power

Page 12: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Quiz!

Page 13: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Fallacy: I have to have the most experience/talent/flair in order to get hired

Page 14: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Truth: You don’t know what the employer’s considerations are

Page 15: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

You don’t know what are the considerations● You already got your foot in the door

Page 16: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Example: Who would you choose?

Page 17: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

You don’t know what are the considerations● You already got your foot in the door.● Different employers have different considerations● The interview is not customized● You can’t tell how good you are doing - better to just relax

Page 18: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Quiz!

Page 19: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Fallacy: Interviewer knows what she’s doing

Page 20: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Truth: Interviewers are (flawed) people too

Page 21: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Interviewers are (flawed) people too● Interviewing schools - they don’t exist :,(● Interviewers have continent sized egos like the rest of us● Some interviewers are just assholes

Page 22: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Quiz!

Page 23: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Fallacy: If I am not hired it means I’m not good enough!

Page 24: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Truth: It’s not about you

I just want you to know, Cap, this ain’t personal

It kind of feels personal

Page 25: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

It’s not about you● Interview is optimized to reduce false positives● Usually, you don’t know why you weren’t hired● There are other candidates in the pool

Page 26: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Secret: Interviewers can’t tell how good you really are

Page 27: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Secret: The interviewer wants you to succeed!

Page 28: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Anatomy of an interview

Page 29: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

What is the interviewer looking for?● Depends on the interviewer, of course● When hiring juniors, mostly indication that you have potential

○ Smart and Gets Shit Done (SGSD)○ Communicative○ Enthusiastic○ Resourceful, self learner○ Professional

● Knows some technical stuff (WAT?)● CAN CODE!

Page 30: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Let’s get to know each other!● Interviewer may want to tell you about himself and the company

Page 31: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Let’s get to know each other!● Interviewer may want to tell you about himself and the company● ״So, tell me about yourself״

Page 32: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Tell me about a time...● Behavioral Questions● Technical questions

Page 33: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

It’s all about the communication● Never let the interviewer pull stuff from you● Know enough to maintain an engaging conversation● Have your questions ready● Prepare in advance and practice with a friend● Be honest

Page 34: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Subjects you should probably be familiar with● Disclaimer: This is my opinion● Data structures (Lists, Arrays, Maps, Sets, Queues, Stacks, Trees,

Graphs)● Object oriented design principles● Algorithms (Recursion, Sort, tree & graph traversal)● Complexity (Big O notation)● Tech specific stuff (Google provides!)● See resources in last slide for places to get your practice questions

from

Page 35: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Code me a sheep

Can’t hire a craftsman without looking at his work...

Page 36: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Code me a sheep● The take-home programming task● The interview programming task● The whiteboard coding question

Page 37: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

What to do if you get stuck?

Page 38: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

What to do if you get stuck?

COMMUNICATE!

Page 39: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Other types of questions● The design question● The conceptual question (vs. the trivia quiz)● The dreadful brain teaser

Page 40: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Some more?● The xTreme programming day● The opinion question

Page 41: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

Stuff to remember

Page 42: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

It gets easier - I promise :)

Page 43: Tips from an Interviewer · Technical Interviews Tips from an Interviewer Hila Noga, CTO@Hello Heart. What are we going to talk about? Part 1: The right mindset Part 2: Anatomy of

ResourcesGeneral work-related advicehttp://www.askamanager.org/

Technical interview preparationhttp://www.crackingthecodinginterview.com/

Mor Schlesinger’s blog, on interviewing among other thingshttps://morschlesinger.com/