4 Challenges in Hackerrank
Senior Backend Developer Interview Questions
741 senior backend developer interview questions shared by candidates
1st technical interview: implement a search on mock data, implement mocked A/B testing 2nd interview: implement a Rest API
What is the first improvement you would do for an SQL query that is slow?
Coding
Going deeper/heavily on understanding php / relational databases (sql) More superficial/light on architecture / systems designs
The only real question was if you willing to take a couple of assessments that were a time commitment.
Write a small code snippet to convert the following strings array to an array of the lengths of those strings. var stringsArray=[“banana”, “pillow”, “of”, “dogs”, “machine”]
How many threads does node.js run on?
What is the error that would be thrown from the next code? //a.js require("./b") const hi = () => { console.log("hi") } module.exports=hi //b.js const a = require("./a"); module.exports = a //c.js const b = require("./b") b.hi() //CMD node c.js
The difference between class and interface ?
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