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Full stack engineer Interview Questions in United States

Full stack engineer Interview Questions in United States

A full-stack engineer is a technical expert in web and software development. They can handle almost every aspect of development, from servers to systems engineering and databases. During an interview, you can expect both technical questions and questions to determine your interpersonal and communication skills.

7,905 Full Stack Engineer interview questions shared by candidates

Top Full Stack Engineer Interview Questions & How to Answer

Here are three top full stack engineer interview questions and how to answer them:

Question #1: Are you working on anything right now?

How to answer: Since more coders are always working on something, the interviewer wants to get an idea of how involved you are in coding. Talk about any projects you are currently working on, whether it's for work or something you are doing on your own time.

Question #2: How did you select the tools and technologies for your last project?

How to answer: The interviewer wants to get an idea of your experience and how you go about working through a project. Explain the details about the process you followed, talk about why you selected the language you used, and mention what tools and technologies you selected. You can also talk about any problems you faced throughout the development and how you overcame them.

Question #3: What are the latest trends in full-stack web development?

How to answer: Make sure you are up to date on the latest trends in all kinds of web and software development before your interview. Mention a few of the latest developments you are familiar with and how they might apply to the job. You can also talk about how you learned about the new technology.

Top Interview Questions

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Trulia
Senior Full Stack Developer was asked...August 4, 2014

How would you build a BART train system.

2 Answers

Various infrastructure, logic, and fail safe issues. Caching, redundancy, customer experience handling in case of failures. Less

I would identify and address all of the various infrastructure, logic, and fail safe issues as well as design systems to handle caching, redundancy, and customer experience handling in case of failures. Less

Greenhouse Software

Design the DB and server system where multiple users can enter calendar events, including alerts for those events.

1 Answers

I designed the tables and columns I would need in a SQL database, and I wrote some pseudocode that would run in a cron job to send out alerts. I also wrote the SQL query to get all alerts that are pending. Once prompted, I added indexes and optimized the query. Less

ReedGroup

1) In CSS what is !important 2) what does !important!important do

1 Answers

1) !important overrides 2) I said you may need to rethink your CSS if you are using !important like that. Less

Softsuave

list and array related questions Basic sql question

7 Answers

did my level best in 2nd round but not selected.

Can you share 2nd round question

aptitude & technical in first round

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MountBlue Technologies

Print patterns like Swastic sign, 2-D Array manipulations(Bit Difficult) and String manipulations.

6 Answers

They will mail the exact date. The joining date is between 6-16 aug. The difficulty of 2nd round was medium. One question was a bit difficult and the rest were medium.If you are good at coding and regularly doing it then you can easily crack it. Less

when is your joining??what is the difficulty of 2nd round?

what questions were asked in 2nd round?

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JATO Dynamics

Why did i choose to apply for JATO?

5 Answers

I answered with I am looking for a challenge and to join a company that has a long term vision and goal and they needs people like me to join the journey and support them through the company transformation. Less

Read my "Database Production Assistant" and you will realise how slippery, contorted, unreliable and mendacious they are, worthy of avoiding for aye. Less

Thank you for your review. JATO appreciate the comments and feedback provided and are happy to hear you were happy with the outcome of the interview, even though the technical questions were a little difficult. Less

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Jobsity

solve a problem without for loops

5 Answers

recursion

How went the second challenge?

How was the second challenge?

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Boeing

difference between null and void

5 Answers

How much salary did they offer you?

Could you please tell us what can be the expected salary for 4-5 years of experience candidate. Less

What is the salary for full stack developer and is this a good company to work as a fresher? Less

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Panaya

return true if array of size n contains a permutation of [1,n]

4 Answers

for(var i=0; i

public static bool isPermutation(int[] arr) { int num = 0; for (int i = 0; i arr.Length) return false;//number out of range int tmp = 1 << (arr[i]-1); if ((num & tmp) == tmp) return false;// number was found before - duplicate num |= tmp; } return true; } Less

var permotation = function(arrayOriginal, arrayDuplication){ if(!Array.isArray(arrayOriginal) || !Array.isArray(arrayDuplication) || arrayOriginal.length != arrayDuplication.length){ return false; } var dictionaryObj = {}; var sumDuplication = 0; for(var i=0; i Less

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monday.com

Given a formula (string) and a dict, replace each key that appears in the formula with its value. "CONCATENATE("#first_name#", " - ", 30)" { 'first_name': "Moshe", 'age': 20, 'status': "Done"} Result: "CONCATENATE("Moshe", " - ", 30)"

4 Answers

column_id_to_value = {'first_name': "Moshe", 'age': 20, 'status': "Done"} formula = 'CONCATENATE("#first_name#", " - ", #age#)' dotIt(formula, column_id_to_value) def dotIt(formula, dictionary): answer = [] formula_list = formula.split("#") for form in formula_list: if form in dictionary: answer.append(str(dictionary[form])) else: answer.append(form) print(''.join(answer)) Less

const formula = 'CONCATENATE("#first_name#", " - ", #age#)' const obj = { "first_name" : "Moshe", "age" : 30, "status" : "done" }; const replace = (formula, obj)=> { const strArr = formula.split(','); for(const [i, section] of strArr.entries()) { const result = section.match(/#.+#/ig); if(result) { const removeAt = section.split('#')[1] strArr[i] = section.replace(result[0], obj[removeAt]); } } return strArr.join(''); } console.log(replace(formula, obj)) Less

def calculate_for_row(formula, column_id_to_value): result = [] replaced_last_part = False new_formula_parts = formula.split('#') for index, part in enumerate(new_formula_parts): if part in column_id_to_value: result.append(str(column_id_to_value[part])) replaced_last_part = True else: if index > 0 and not replaced_last_part: result.append('#') result.append(part) replaced_last_part = False parse(''.join(result)) def parse(formula): print(formula) column_id_to_value = {'first_name': "Moshe", 'age': 20, 'status': "Done"} formula = 'CONCATENATE("#first_name#", " - ", #age#)' calculate_for_row(formula, column_id_to_value) Less

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