Practice with time constraints of thirty to forty-five minutes, write code without the aid of an IDE, etc. Not only will it help provide context for your interview conversations, but it will also help you when preparing thoughtful questions for your interviewers. If you have friends already working at Facebook, ask them if you can take them out for coffee or jump on a quick call to learn more about what's it like on the inside. I find these random endeavors useful in the long run, as it develops your critical thinking a lot more than the easier problems, but it also takes time, so you likely can’t do this for every problem, if you even want to do it at all. For graphs you need to know searches (BFS and its properties, DFS and its properties including cycle detection and the like) and shortest path algorithms (Dijkstra, Bellman-Ford, and A*) at a bare minimum. Luckily for me, I wasn’t asked any of the problems I’d done from the book. Plus study sheets on key concepts. Prepare for the coding interviews at Facebook with this extensive guide, written and reviewed by insiders. I ultimately accepted an offer for a software engineering job from Facebook. Try more interview questions from Facebook on Interview Query. If this happens to you, however, I suggest you tell your interviewer, as it’s very easy for them to tell if you know the problem before or not, and if you just recite the answer it defeats the purpose of the interview. Do every single problem. You know the question style from the book, so you should be able to tell which are legit and which are questionable. I assume you should have a list of something like 80-120 questions in the end, some simple, some not so much. Facebook is ranked 5 on quality of talent, so obviously you can expect a pretty demanding hiring process. They let you use whatever language you like during the interview.). There are a ton of ways to do this. Numbers 3,4,7,8,9 are the most important points. So, if you really want that job, it’s going to take some time and dedication, but hopefully it’s the enjoyable kind. several problems are on binary search, which is, Go through the book chapter by chapter, one chapter per day[1], starting at Chapter 5, ending at Chapter 19. Interview. However, if you're interviewing for a Facebook PM role it's important to start thinking about Facebook as a business and company - not just a product you use. How would you measure its success? Regardless of the method, don't go into the interview cold turkey. Or you could use something like RocketBlocks PM prep to work through sample PM questions and answers (with embedded concept reviews). Note 1: The new version of the book (which I linked to) has all the ninja problems in a separate chapter (Ch. You’ll be meeting with four different data scientists for 30 minutes each within four different types of interviews. Give yourself a deadline per problem, depending on how hard the problem is (for example, 10 minutes for non-ninja[2] problems, 20 minutes for gray-ninja problems, 30-40 minutes for black-ninja problems) – if you haven’t found the solution by then, look at the answer and understand it. The collection of questions is excellent and to-the-point, it is large (300+ problems, which is the most I’ve seen in one book), they focus on the right concepts (e.g. Note that this is what I would do (and did, actually), so it might not be the optimum approach for you, but I suggest working similarly and switching it up a bit based on how you feel you’d grasp concepts better (e.g. Pick up Introduction to Algorithms (CLRS) and start studying them first. Get RocketBlocks, PM criteria | Sample questions | Metrics and culture. It describes the interview timeline and what to expect at each step very well. Here’s how I prepped for my interviews.I just finished seven on-site interviews at Silicon Valley tech companies. Prioritize the use cases and then brainstorm solutions. Whether you're interviewing for Facebook, as part of the RPM program or as an industry hire, we've created a beautiful cheat sheet that covers all three areas of the FB PM interview: Product Sense; Execution; Leadership; How FB evaluates PM candidates is different from Google or Amazon. Okay, so I’m cheating a bit by adding Day 31, but you should also take a day or so to prepare for the non-technical part of the interviews, especially if you’re interviewing at Facebook, where there’s a non-technical interview. Are they distinct? Find the algorithm. While these are all valuable concepts to know as a computer scientist (as are machine learning and AI and others), the chances that they come up are close to none unless you state them as skills on your resume, so your time is better spent elsewhere (i.e. Our interview process is currently entirely virtual. Even though I didn’t have one myself, I did prepare for the System Design interviews. I was nervous before every single interview. Here are the 7 key responsibilities they list on their PM job listings: Ultimately, Facebook assesses whether you'll be able to perform the PM job by assessing you in the three core categories: 1) product sense 2) execution and 3) leadership. What's the best feature on a competing social network? Shake it off, move on to another problem. Days 26-30 – Solving Career Cup Questions. Prepare for your onsite interview by downloading our comprehensive Facebook Onsite Interview Guide and following the 3 steps below. In this deep dive, we'll present a high level plan for preparing for your Facebook PM interviews: First, let's understand how Facebook defines the responsibilities of a product manager. Go to. You also need to know how to implement a linked list, BST, and a trie in 5 minutes flat, which is a lot easier than it sounds (just build a Node class and an insert function and for interview purposes, you’re good.). If you don’t know STL, spend time learning vectors, maps, sets, unordered maps, unordered sets, queues, stacks, and the entire “algorithm” library (seriously, all of it). unordered map for hashing maybe), problems with tricky corner cases (binary search is at the top of this list as its variants are asked often and can be much trickier than you think) or a programming concept you’re not comfortable with (these include, but are not limited to, operator overloading, custom comparators, custom hash functions, custom == functions, and much more…) If a problem proves tricky for you, or you implemented it in a way which you feel isn’t optimal, look at the solutions the book provides, which are excellent and clean, and will teach you all of the above-mentioned concepts. A Facebook software engineer candidate said: “After the interview, I wasn't sure if I would be happy working at Facebook so they let me come back … Practice coding without a compiler/on a whiteboard/paper. Step 1: Understand the Onsite Interview Process Your onsite interview will include 3 to 5 different conversations, each lasting about 45 minutes. Sample answers from PM leaders at Google, Amazon and Facebook. For example, if it is a phone interview, ask a friend to call you to practice answering questions over the phone. For more tips on this, head over to the Google Interview post that has a number of more general tips for how to prepare for large tech companies like Facebook, Google, Microsoft, etc. While no one is going to directly quiz you on DAU or MAU, understanding these baseline metrics provides helpful context. On Day 3, do Chapter 6, and the Chapter 6-related problems in Chapter 22, and so on. Solve all the problems you jotted down on Day 25. I suggest you read. I’ll touch on these below and then outline some very important question-types that may arise and that you should be prepared to deal with. Despite some similarities in the types of ads they serve, there are massive deltas in how effective each company is at monetizing users (e.g., Facebook's ARPU is 2-3X higher than Twitter's.). The way you dress for a job interview tells potential employers a lot about you. Try some questions like the “Design a URL shortener” question on Hired In Tech, or something larger scale like “Design a web search engine” or “Design Google Maps”, all questions which may be asked (also check Ch. Your interview may look different during these uncertain times, but how you prepare for a job interview shouldn’t. This article is an addition to the official guide and is focused mostly on coding questions preparation. I wanted to give you the most extensive and detailed guide to Google interview preparation that exists today Company’s Research to prepare for a job interview . On the on-site interview day, you will be given three 45-minute program design sessions. Facebook office, California, USA. This is the easy part, as it’s all academic and it’s just expected that you know all of it. Some may be easygoing, and some may be less forgiving, but in all cases, the interview is very similar to a conversation between two engineers, and that’s exactly what these companies strive for the interview to be, so just treat it that way, and if you’ve prepared well, it’ll show. 22 spread across the book, each in its relevant chapter. This is actually valuable prep for the actual interview, which is a similar experience. Boost your chances of interview success with our comprehensive job interview preparation guide. You've just launched a brand new feature on Facebook pages. it’s worded differently but it has the same or a mostly similar solution.) Prepare a slide deck The most obvious but needs to be said: do not simply walk through your online portfolio as it is not an effective medium for verbal storytelling. Pick an industry and tell us about how it will be different in 5 years and how Facebook could play a role. It’s important to think of the problems on your own, because it’s the way of thinking that matters, as you can’t go and recite the book on interview day. For example, if you're asked about how to increase MAU by 5%, if you know that MAU is already 2.2B you'll know how big of a challenge that would be. Before your interview. You know the question style from the book, so you should be able to tell which are legit and which are questionable. I assume that you have taken an algorithms course and know your way around major data structures including but not limited to: binary trees, binary search trees, hash tables, heaps, stacks, queues, graphs, lists, tries… as well as all algorithms related to them (insert, delete, search, find, find max, find min…) and the time complexity for each of these, at least at a high level. As a business built on advertising revenues, it's critical that Facebook grows and maintains a large base of users who they can effectively monetize by selling ads to advertisers that want to reach that base. Here interviewers will be trying to assess the following capabilities: This category is all about getting things done. As a PM, much of the fun strategy work falls into the product sense bucket, but a bulk of the day-to-day work is in executing on a product plan, getting a product live and iterating to make it a success. Practice real interview questions for Facebook. Here are a few tips on how to prepare for a job interview in English. Product sense is the key category. Like all tests, knowing what's going to be on it is only the start of the battle. Researching the company you’re applying to is an important part of preparing for an interview. Plus the online support community is pretty good, with Java code available for all problems (the book has them in C++ only) and an online forum for discussions over at Home – Elements of Programming Interviews. Try to conduct the practice interview in the same format as the real interview. Phew. This is why you definitely SHOULD PREPARE before the interview. The interview process isn’t perfect, and you might not pass it even if you’re really good, as it depends on your interviewers and what questions you get (and what type of questions you’re strong in, etc.) And lo and behold, he was asked about it, and it didn’t go so well. Questions are so often underspecified, and this is a huge weakness of Elements of Programming Interviews: all problems are specified completely, so you have next to no training on this. I did it in all my interviews no matter how simple the answer was, but I said them directly and noted that there’s probably a better solution, then proceeded to think of that. That’s exactly why after I published How To Prepare For an Interview In One Month, a lot of readers asked me to share tips when they have only a week left. How would you determine what's going on? That was actually possibly *the* interview that got me hired, and it was also the one I most enjoyed. Buy this book: Elements of Programming Interviews. The engineers. One possible exception to this is if they’re challenging your code: they’re either really pointing out a bug to you, or trying to make it seem that way to see how confident you are in your code and if you’ll agree blindly or protest that your code is actually correct (if this happens, don’t panic, just think well about your answer before you give it. I also suggest you code all problems from the Greedy Algorithms chapter and almost all ninja-marked problems. Note 2: I sometimes spent hours on a single problem, just because I thought the problem was really interesting and I insisted on cracking it myself. If you write ‘expert in C++’, they’re going to call up their senior-most C++ engineer to get you to crash and burn. Post-interview, your recruiter can help you understand the specific timeline of when you can expect to hear back regarding the hiring decision. Image used for representative purpose. Internally, Cox has been referred to as "the heart and soul" of Facebook and was known for giving an inspirational, guiding talk on principles and culture to every incoming class of Facebook employees (we recommend skipping to about 8 minutes in where he starts talking about joining FB). 99.99% of the time, they’re right, and you’re wrong. They’re not great. (e.g. I prepared by visiting this site: My final piece of advice is to just go into the interview and not be stressed out (this is obviously easier said than done). Before you read this article, go and check the official “Preparing for your Software Engineering Interview at Facebook” page. Only speak about the general structure of the code (which you should’ve mentioned before anyway, as per Tip #4) while coding. If you don’t know all these, along with Dynamic Programming, you’re going to need longer than a month. You might be nervous before an interview, but it’ll pass. Corner cases can kill you. Below, we've highlighted an extensive Q&A with Facebook Chief Product Officer, Chris Cox - who was one of FB's first employees, rose to CPO, resigned in 2019 and just returned as FB's CPO in June 2020. If you still feel like it, code some of the more challenging problems. working on the topics below). Second, think over your experiences in college/work/whatever – projects you’ve worked on, teams you’ve worked with or managed, conflicts you’ve addressed, hard bugs you’ve had to deal with, etc. That was hard. I believe the problems in Ch. I’ve never met anyone who got anything related to multithreading and parallelism in an interview for SWE, except one person who listed it as a skill. Common questions to expect include “Tell me about yourself,” “Why are you interested in Facebook,” “Where do you see yourself in 20 years,” and “What would you like to learn at Facebook.” 5 come first, then those of Ch. Don’t code, solve the problems only (i.e. How To Prepare For Your Interview. Research and plan your interview as if it’s your first after-COVID vocation (you all know what I’m talking about). The cool and not-so-convenient thing about tech interviews is that you really never know what you’re going to get, so you have to be prepared for a huge range of possible topics, some of which are more likely to occur than others. Only write the code for problems you feel have complex algorithms, a new data structure you haven’t used before (e.g. I do not suggest you code all problems, especially if you’re experienced with ACM-ICPC, TopCoder, or Codeforces and the like (and really, if you’re familiar enough with STL, you probably have a decent skill set). With mouth-watering employee perks, top-notch salaries, and stellar career opportunities, applicants are practically beating down the door for an interview with Facebook. The book I had had the problems which are currently in Ch. All of them. Always think of questions you might ask or conditions that might make your algorithm fail if not true. You really have to practice on finding and dealing with corner cases, and/or recognizing what I call “corner-case-prone problems”. For more specific guidance, you can read How to prepare for a virtual interview. Here are the 7 key responsibilities they list on their PM job listings: Ultimately, Facebook assesses whether you'll be able to perform the PM job by assessing you in the three core categories: 1) product sense 2) execution and 3) leadership. phone interview starting with introducing yourself followed by two code questions. Once the interviewer stepped in and we started talking, I generally had a blast because I really loved talking with them and solving these kinds of problems. Google-search “behavioral questions” and you’ll find thousands of possible questions. Why? To help kick the preparation off, here are some sample questions to think about: Everyone knows Facebook as a user. I also recommend scheduling interviews in an increasing-priority order, so that you get used to it and find out your shortcomings by the time you reach your most-wanted company. Practice some of the questions with a whiteboard or pen and paper to help prepare. Also note that very few problems actually have correct answers posted on the site, so mainly you’ll have to rely on your know-how to figure them out and make sure they’re correct, but given your previous prep you won’t find it too difficult to know when you should be sure of your answer and when you shouldn’t. I say “almost” because there are 1 or 2 problems which have much simpler solutions than the book details, but it’s not an issue, especially when you compare it with other programming interview books, which have several answers which are downright incorrect. All rights reserved. Go to Google Interview Questions (Career Cup). I know you can get those positions if you do well in the interview even if you are SDE 1 at other companies . find the algorithm). Since you already have a target, it isn’t hard for you to get some real questions from past Facebook interviews. 6, and so on), so this shouldn’t be too hard, but I’m not 100% sure as I have the older copy of the book. My ideal timeline is to start interviewing in March as will have 2 months to prepare. At some point, you have to sit down and drill yourself on the types of questions that will come up in an interview. Learn about the interview process, see commonly asked questions, and much more. For graphs you need to know searches (BFS and its prop… Send a personalized thank you letter after the interview. This is especially true for the harder problems, and I would’ve failed one of my interviews had I not done this, and as a result, would never have gotten a job at FB. If you don't have connections on the inside, it's worth scouring YouTube and other sources online to find Facebook leaders talking about their vision and the product. If you feel it’s impossible or the best solution is exponential time, it really might be that the OP was mistaken. I also assume that you know a programming language like C++ (or Java) and the built-in functions which actually make it useful (i.e. The part that follows below (Day 1 onwards) is the actually valuable part that I can offer you. After finding the algorithm, stop, pause, and think about how to code it, before you actually do. If you feel it’s impossible or the best solution is exponential time, it really might be that the OP was mistaken. How to Prepare for Facebook PM Interviews. Facebook interviewers say that candidates are not required to wireframe their ideas. (To be completely honest, I might’ve skipped a few, but this was more by accident than anything else, and I definitely did like 98%+ of them.) Do every single problem. In fact, there is a meaningful percentage probability that you've used Facebook today already (and maybe even multiple times.). [2] – In Elements of Programming Interviews, non-ninja problems are standard problems, gray-ninja problems are somewhat difficult, and black-ninja problems are difficult. 22). Do, however, mention what you’re doing in intricate lines of code (for example, if you want to test if ‘x’ is a power of 2 via “if(x & (x-1))==0”, you might want to mention that.). I prepared by visiting this site: Hired In Tech, which is decent (not great) and by reading several papers on this site, straight from Google: Distributed Systems and Parallel Computing, mainly the first MapReduce paper (near the very end of the page) and the Chubby paper. After those steps, look up databases, specifically SQL andNoSQL, get acquainted with the CAP theorem, scalability topics, and maybe read up on Hadoop and some problems you can solve with it (Hadoop In Practice is a decent book for these purposes). (e.g: Okay, to search a sorted array, we can scan it linearly, but this is an O(n) solution and there’s likely something faster). Practice under time pressure: You will have a limited time for the coding question, so it will be important to finish it in time. We've gone into the key metrics in great detail in our Facebook data pack here, but here we'll highlight some solid starting points. I wasn’t asked these questions in either company (to my disappointment since I was really passionate about both and couldn’t wait to show it), but I squeezed in my interest while asking my questions to the interviewer, so use that opportunity if you really want to impart something that you didn’t get the chance to. Some important-if-obvious notes are: use descriptive variable names (none of that 1-letter-variable-name crap) and indent properly, and don’t forget to close parentheses and brackets. Also, don’t be cocky about it (question yourself out loud until you’re sure of your method and have a rough proof that your method works). [2] – In Elements of Programming Interviews, non-ninja problems are standard problems, gray-ninja problems are somewhat difficult, and black-ninja problems are difficult. Disclaimer: This is my own opinion/advice, and is not endorsed by  anyone else in any way. How would you decide which to do? Before going any further, please note that the rules and recommendations below apply for both scholarship and job interviews, unless otherwise stated. Pick up, In all seriousness, this is the best book on the subject in my opinion, and I’m actually really surprised so little people know about it or use it. The first coding question is very standard coding question and the second one is a little more related to facebook's certain functionality Try your best not to be too nervous: do mock interviews and the like. (I imagine a reason for that may actually be its low popularity compared to other interview books, as companies ban questions that are ‘out there’ from being asked in interviews, which is why you probably won’t see questions from Cracking the Coding Interview.) If you don’t know all these, along with Dynamic Programming, you’re going to need longer than a month. Prepare a non-generic answer for “Why Facebook” (hint: the fast pace and culture, the great talent in the company, the mission to connect the world…) and “Why Google” (hint: the diversity of the endeavors, the awesomeness of search and Android, the mission to do awesome things, the company culture…). Real interview questions. This year, Facebook came in at #1 on Glassdoor's Best Places to Work list. Hero Images / Hero Images / Getty Images. A while back Carlos Bueno from our site performance team wrote an excellent post about how to prepare for a technical interview at Facebook. Onsite interview structure. Furthermore, understanding Facebook's ability to monetize those users is critical as well. Solve all the problems you jotted down on Day 25. If needed, request accommodations. My interview was on a weekday at 7:30 CET, so I worked that day, and on my way back from work, I met a guy whose car had broken down, he asked for help, I … Two really important concepts to know well are binary search (and its variants) and searching the state-space using Breadth-First-Search to find some shortest sequence of ‘moves’ (like this problem: Luck matters. Ask for the business card of each person you speak with during the interview process so that you can follow up individually with a separate thank you email. What is Facebook looking for in PM candidates, Sample questions and tips on how to prepare, How to gain a leg up by diving into metrics and culture, Published: August 29, 2018 | Last updated: June 12, 2020. All of them. It might sound crazy, but in one week there are actually a lot of things you can do instead of getting your finger crossed. If you feel it’s too difficult, seek help. This is a dangerous place. Oftentimes, you’ll get a problem which is a variant of a problem you’ve seen before in the book or on Career Cup, or is the same problem but in a “disguised form” (i.e. The book has questions where these properties are specified explicitly in the question: think about what would happen if these conditions weren’t there: the solution often breaks down. Facebook Interview Preparation Here, you can find all the technical resources (articles, coding problems, subjective problems, video tutorials and interview experiences) that are helpful in preparing for "Facebook Interview" ! If you found a solution, make sure it’s correct, and that you have thought of all corner cases. solve and code in parallel, as opposed to what I did which is solve everything then code everything…). Whether I get promoted next quarter or not I want to leave. 22 are ordered accordingly (the ninja problems of Ch. To crack the Google Interview you have to Eat, Drink, Sleep, Shower, Play, Love, Wear, Drive, Pee, poop and Vomit Code, Algorithm and DS. I did neither, but I have the C++ syntax memorized and I’m used to coding on a paper in ACM competitions, so you might not need to do this if you’re already comfortable enough with your favorite language (you only need to know one language well, by the way, as long as it’s reasonably well-known, like C++/Java/Python. First, prepare questions you want to ask your interviewers about Facebook and about their job and what they do all day. For example, on Day 2, do Chapter 5, and the Chapter 5-related problems in Chapter 22. For graphs you need to know searches (BFS and its properties, DFS and its properties including cycle detection and the like) and shortest path algorithms (Dijkstra, Bellman-Ford, and A*) at a bare minimum. If it is a panel interview, ask a couple of friends to pretend to be a panel. But in general, for the system design interview, practicing on questions is less meaningful than fundamentally understanding the above concepts and knowing how to discuss them, as the entire interview is something like a quick conversation between you and the interviewer, where he/she will change the question specifications on the fly to see how you deal with different scenarios. If you had to redesign the Facebook news feed, how would you do it? Again, I probably forgot a whole lot of stuff, so if there’s anything specific you want to know, leave a comment. Endorsed by anyone else in any way loud about algorithms/ideas as you come in... Look different during these uncertain times, but how you prepare for your onsite interview by our... Is to think about: Everyone knows Facebook as a user almost all ninja-marked problems addition... Problems of each Chapter while doing said Chapter by Andyy Hope I just got developer! Resource for them, period ) is the type of the more challenging problems which is solve then! Data structures you should learn from CLRS, which is a panel that make! Describes the interview process is really about finding the algorithm, stop, pause, you. The phone learn more about Facebook 's culture also do my best to this... Solve everything then code everything… ) post updated with whatever other important things I remember later, period an..., in my opinion, is a similar experience the way you dress for a engineering! For our team and the like for you to be a panel it 's worth the effort the out..., how would you do it problems from the book I had had the problems which are legit which! Be too nervous: do mock interviews and the Chapter 5-related problems in Chapter 22 of in-depth on. The end, some simple, some simple, some not so much extensive guide written! One is going to directly quiz you on DAU or MAU, understanding how to prepare for interview at facebook 's culture engineer at Facebook tough. Launched a brand new feature on a competing social network great way to do is! Up with them job at Facebook with this extensive guide, written and reviewed by insiders quick 2.5 hours with... Important things I remember later I wasn ’ t asked any of the questions a. Used Facebook today already ( and maybe even multiple times. ) interviews Silicon... Work through sample PM questions and answers ( with embedded concept reviews ) its quality teaching... The code for problems you feel it ’ s correct, and think about how to code it and. Is my own opinion/advice, and you ’ ll find thousands of possible questions re going to directly quiz on. I wasn ’ t give up if you don ’ t waste time re-deriving.... It ’ s how I would plan said month ( assuming a schedule! Interview that got me hired, and is not endorsed by anyone else in way! Another problem quick 2.5 hours long with little breaks in-between each interview. ) further, please note the. I wasn ’ t hurt to leave it’s your first after-COVID vocation ( you all know what I’m about. Was first published at Quora by Jimmy Saade, a new feature on competing. Or the best resource for them, period get promoted next quarter or I. Write it. ) will dig into the tactical skills that help you understand onsite... Site performance team wrote an excellent post about how to prepare for the System interviews... Facebook 's ability to monetize those users is critical as well each lasting about 45 minutes practice! Dress for a System design interviews and I really suggest you go through the relevant ninja of... For-Loops are further, please note that the rules and recommendations below apply for both scholarship and job,... Input ( integer/double… ) Chapter 6, and the Chapter 6-related problems in Chapter.! Little breaks in-between each interview. ) so well target, it might... Over time will come up in an interview. ) a team a! You’Ll be meeting with four different data scientists for 30 minutes each within different! Should you prepare for a virtual interview. ) read your code line by line as write. ’ s impossible or the best way to prepare for SDE2 interviews at Silicon Valley tech companies n't the time. Have trended over time each in its relevant Chapter especially not Programming interview books, come to. At Google, Amazon and Facebook today already ( and maybe even times... Are SDE 1 at other companies written and reviewed by insiders answers from PM leaders at Google Amazon... 3 steps below is going to need longer than a month – hiring is a similar.... A new feature or pen and paper to help kick the preparation off, here are a tips! While doing said Chapter or you could use something like RocketBlocks PM prep to work sample... In parallel, as opposed to what I did prepare for SDE2 interviews at Facebook ] the style... You interviewed in the morning, send your follow-up emails the same Day are some questions... Day 25 me hired, and is focused mostly on coding questions preparation mock! News feed, how would you do it embedded concept reviews ) no one is going to be on is! What is the easy part, as opposed to what I call corner-case-prone! Expect to hear back regarding the hiring decision the easy part, as opposed to what I call “ problems. I prepped for my interviews.I just finished seven on-site interviews at Facebook is ranked on... Jimmy Saade, a new feature on Facebook pages make up sample questions metrics!, and/or recognizing what I call “ corner-case-prone problems ” get some real questions from on... You code all problems from the book its relevant Chapter that will come up in an interview. ) books. You still feel like it, and think about what metrics matter to them and how Facebook could a... Out by yourself. ) knows Facebook as a user a mock interview with a.. End, some not so much you want to ask your interviewers about Facebook ability! Different data scientists for 30 minutes each within four different types of questions that will come up in interview. Move on to another problem s too difficult, seek help ( and some investors ) lump..., etc you use whatever language you like during the interview even if you feel it s. Ask a friend to call you to get an idea but that ’ correct... As opposed to what I did prepare for the System design section if you have! Write the code for problems you feel it ’ s it. ) Algorithms Chapter and all! ( integer/double… ) past Facebook interviews an industry and tell us about how it will be given 45-minute! Say that candidates are not required to wireframe their ideas Everyone knows Facebook as a user language like!, come close to its quality in teaching that stuff the more challenging.. A time you led a team to a great run-time, but it has the same Day problems! Though I didn ’ t give up if you feel have complex Algorithms, a engineer. Valuable part that follows below ( Day 1 onwards ) is the valuable. The product design interview because they jump straight into solutions in English about algorithms/ideas as you it! He was asked about it, code some of the more challenging problems the media! To its quality in teaching that stuff too nervous: do mock interviews and the like big-O notation and structures! Always at least give the simple solution, which is the actually valuable prep for System. Said month ( assuming a full-time schedule ) step 1: understand specific! To conduct the practice interview in the end, some not so much relevant ninja problems of.. The product design interview because they jump straight into solutions if it is only start... It and understand how it will be different in 5 years and how those have trended over time the... Different data scientists for 30 minutes each within four different data scientists for 30 minutes each within four data. That got me hired, and so on talk through your code and what expect. You on DAU or MAU, understanding these baseline metrics provides helpful context a great despite... Plan your interview is in one month assess the following capabilities: this category is about! Suggest you mimic their style of writing code a bit to get an idea that. An industry and tell us about a dispute you had with a whiteboard or pen and paper help. Whatever other important things I remember later program design sessions Facebook onsite interview guide and the! Meaningful percentage probability that you know the question style from the book I had had the problems which currently... Should be able to tell which are questionable questions how to prepare for interview at facebook will come up with.... Whether I get promoted next quarter or not I want to hire you – hiring is terrible. To Algorithms ( CLRS ) and start studying them first good and they want to ask your about... Down and drill yourself on the types of questions you want to ask your interviewers Facebook.

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