Junior Software Engineer Interview Questions

7,226 junior software engineer interview questions shared by candidates

Given a string containing alphanumeric characters, write a function to find the longest substring with at most K distinct characters. If multiple substrings of the same length exist, return the first one found. Optimize the solution for both time and space complexity.
avatar

Junior Software Engineer

Interviewed at Amazon

3.5
Aug 2, 2023

Given a string containing alphanumeric characters, write a function to find the longest substring with at most K distinct characters. If multiple substrings of the same length exist, return the first one found. Optimize the solution for both time and space complexity.

he asked me in first about wireless communications but i told him that i don't know so much about them so, he asked about serial communications : what is the difference between asynchronous and synchronous , draw the clock pulses , what is the SPI , how many lines in it and what is the use for each
avatar

Junior Software Engineer

Interviewed at Valeo

3.7
Oct 18, 2016

he asked me in first about wireless communications but i told him that i don't know so much about them so, he asked about serial communications : what is the difference between asynchronous and synchronous , draw the clock pulses , what is the SPI , how many lines in it and what is the use for each

Viewing 6991 - 7000 interview questions

Glassdoor has 7,226 interview questions and reports from Junior software engineer interviews. Prepare for your interview. Get hired. Love your job.