Web Applications Developer Interview Questions

701 web applications developer interview questions shared by candidates

- difference between MySQL and PostgreSQL, stored procedures - explain inheritance - describe adapter patter/ singleton - advantages and disadvantages of ORM - dependency injection (what it is, pros/cons) - explain/experience with docker (how do you pass env vars into container),docker-compose yaml - circuit breaker - Go questions: array vs slice, stale slices, memory leaks Solve problem: You have more requests coming in that is a rate of database cluster write. Propose solutions
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Web Application Developer

Interviewed at Worldplay

3.3
Nov 19, 2021

- difference between MySQL and PostgreSQL, stored procedures - explain inheritance - describe adapter patter/ singleton - advantages and disadvantages of ORM - dependency injection (what it is, pros/cons) - explain/experience with docker (how do you pass env vars into container),docker-compose yaml - circuit breaker - Go questions: array vs slice, stale slices, memory leaks Solve problem: You have more requests coming in that is a rate of database cluster write. Propose solutions

Some of the Questions. 1} Split an array of numbers into a specified number of groups so that the sum of all elements in each group would be as equal as possible 2}What is final class.? 3}What is wrong with this if statement: if( !strpos( $haystack, $needle ) ...? 4}Write unit tests for a few php classes/functions. 5}Can you set JavaScript variable value to php variable? Justify your answer 6} Write php fragment code to print out the data submitted by the user through html form using get or post method? you need to display the field name and value??

Web Applications Developer

Interviewed at Quotfy

5
Jun 3, 2015

Some of the Questions. 1} Split an array of numbers into a specified number of groups so that the sum of all elements in each group would be as equal as possible 2}What is final class.? 3}What is wrong with this if statement: if( !strpos( $haystack, $needle ) ...? 4}Write unit tests for a few php classes/functions. 5}Can you set JavaScript variable value to php variable? Justify your answer 6} Write php fragment code to print out the data submitted by the user through html form using get or post method? you need to display the field name and value??

1. Some questions about HTML5 new features, and CSS. 2. A lot of questions about AngularJS, such as: $scope? difference between $rootScope and $scope in angular? what methods are you using to communicate between modules? why is angular good at input validation?
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Web Applications Developer (Front End)

Interviewed at Pinger

4.1
May 24, 2016

1. Some questions about HTML5 new features, and CSS. 2. A lot of questions about AngularJS, such as: $scope? difference between $rootScope and $scope in angular? what methods are you using to communicate between modules? why is angular good at input validation?

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