Download - How to Get Hired by Top Tech Companies
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Thai Programmer Association
CodeEXP.
How to Get Hired By Top Tech CompaniesSupasate Choochaisri26 Jan 17 @ National Innovation Agency
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/me
Supasate Choochaisri (Ping)
- Co-founder @ LarnGear Technology Co., Ltd. (2006 - 2017)
- Co-founder @ Streaming Co., Ltd. (2012 - 2017)
- President @ Thai Programmer Association (2016 - Current)
- Solutions Engineer @ Facebook (Since Apr 2017)
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Disclaimer
Opinions are my own and not the views of my current and future employers.
Everything in this presentation is just a general guideline. Some information might not be applicable for some companies or some roles.
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Top Tech Companies
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My goal
Getting into a top tech company in US
- Started applying in Feb 2016
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Lesson Learned:Before being called for interview
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Lesson 1:Getting into US from Thailand is super hard!
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To work for companies in US
Need Visa
- H-1B (Specialty Occupation) -- Need company sponsor + luck
- L-1 (Intracompany Transfer) -- Need time to work at branch
- E-1/E-2 (Treaty Trader/ Treaty Investor) -- Need money++
- F-1 (Student) 1 year after graduation -- Need time to study
Reference: http://www.internationalstudent.com/study_usa/graduation/visa-options/
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Lesson 2:Applying through web sites is 'almost' useless
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Black HoleJust an auto-response email after submitting a resume
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No InterviewGot contact back but got declined to be interviewed
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Applying through recruiting campaign
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Uber Code on the Road : Hacker Challenge
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Black Hole
Staff Engineer - Distributed systems software @ VMWare => Black Hole
Software Engineer @ Autodesk => Black Hole
Senior Software Developer @ IBM- StrongLoop => Black Hole
Software Engineer, Palo Alto @ HackerRank => Black Hole
Software Engineer - Evolved Network OS @ Cisco => Black Hole
2 Software Engineer positions @ Uber => Black Hole
Software Engineer @ Arista => Black Hole
Software Engineer, Product @ Twitter => Black Hole
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No Interview
Software Engineer, Tools & Infrastructure @ Google, Zurich => No InterviewSoftware Engineer @ Google, Japan => No InterviewSoftware Engineer, Front End @ Google, NY => No InterviewStrategic Customer Engineer, Google Cloud Platform @ Google, SG => No InterviewSoftware Engineer @ Google, NY => No Interview3 Software Engineer positions @ Coursera => No Interview3 Engineering positions @ Slack => No InterviewFull Stack Engineer @ Udacity => No InterviewFull Stack Software Engineer - iTunes U @ Apple => No InterviewSoftware Engineer @ Quora => No InterviewSoftware Developer @ Khan Academy => No Interview
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Lesson 3:Studying in US may be the easiest path
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Student F-1 Visa
12 months after graduation for practical training
* Not sure with the future situation
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Lesson 4:Referrals put your resume on top of stack
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Lesson 5:Referrals do not guaranteeyour resume will be picked up
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Lesson 6:Several ways to get chances(but not so easy)
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Google Code Jam / Facebook Hacker Cup
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Contributing to open source projects
Attending hackathon / competition events
Networking
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Lesson 7:Timing is Crucial
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Fiscal Year 2016 H-1B Cap
Regular Cap = 65,000
Master’s Exemption = 20,000
Start accepting petition on "1 April 2016"
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Cap reached within 1 week
https://www.uscis.gov/news/news-releases/uscis-reaches-fy-2016-h-1b-cap
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Timing
2 - 3 months interview period
Feb - March Sponsoring company prepare documents
1 Apr Sponsoring company issues H-1B petition
-------------------- Wait lottery result ---------------------------------
1 Oct Eligible start working date
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Timing
2 - 3 months interview period => Oct - Jan is good timing to apply
Feb - March Sponsoring company prepare documents
1 Apr Sponsoring company issues H-1B petition
-------------------- Wait lottery result ---------------------------------
1 Oct Eligible start working date
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Prepare for interviews
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Typical interview rounds for top tech companies
Software Engineer role (SWE)
Round 1 Pre-screening interview with a recruiter
Round 2 On-line coding interview with an engineer
Round 2.5 (optional) On-line coding interview with an engineer
Round 3 - 7 (vary) On-site coding interviews + system design interviews
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Site Reliability Engineer (SRE)
Coding interview
OS + Networking + Filesystem
Linux commands
Root cause analysis
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(Technical) Solutions Engineer (Special case)
Round 1 Pre-screening interview with a recruiter
Round 2 On-line coding interview with a recruiter
Round 3 On-line coding interview with engineers
Round 4 On-line OS/Networking + coding + business interview with an engineer
Round 5 On-line Business + Communication interview
Round 6 On-line App Review interview
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Behavioral Questions
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Behavioral Questions
What is the hardest thing you've ever done?
What project are you most proud of?
What would you do if you weren't afraid?
Talking about your past experience
Test Culture fit / Googleyness
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Coding interview(Technical interview)
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Ref: careercup.com
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Ref: careercup.com
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System Design
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System Design Questions
Design Gmail
Design Twitter
Design YouTube
Design a distributed logging system
Design an airline reservation system
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Engineering Blogs
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CS75 (Summer 2012) Lecture 9 Scalability Harvard Web Development David Malan
https://www.youtube.com/watch?v=-W9F__D3oY4
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Business Interview
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Business Interview
Technical depth and experience questions
Business acumen
Communication
Strategic thinking
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Required skills?
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1) English!!!
Need to speak with real people (recruiters, interviewers, etc.)
Need to listen to questions carefully with noisy microphone/unfamiliar accent
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2) Basic Data Structures & AlgorithmsTime/Space Complexity (Big-O)*** Bit Manipulation Recursion*** String***
Array*** Linked List (Singly, Doubly, Circular)*** Hash Map***
Stack*** Queue*** Priority Queue Heap Tree Binary Tree Binary Search Tree
Tries AVL/Red-Black Tree Tree Traversal (Pre-order, in-order, post-order) DFS*** BFS***
Graph Shortest-path Connected Component Union-Find
Sorting Insertion Sort Merge Sort Quick Sort
Searching Binary Search*** Quick Select
Dynamic Programming*** Memoization***
*** = often found in leetcode.com
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3) Communication
Need to explain what you think when solving problems
Need to make interviewers want to work with you!
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How I prepare
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Books
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Books on Data Structures & Algorithms
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Books on Interview Questions
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Practice
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leetcode.com
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HackerRank.com
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Whiteboard Programming!!!
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Sport Programming
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Facebook Hacker Cup
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Google Code Jam
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CodeForces
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Mock Interview
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Mock with Friends
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Mock with Friends
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pramp.com
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pramp.com
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5 Key Takeaways
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1) Always aim high
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2) No one is too old to learn
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3) Passionate about what you do
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4) Practice, practice, practice
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5) Never Give Up!
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Thank you
Q&A