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Python interview questions: what each one actually predicts on the job (2026)

Canonical: this is a cross-post. The original lives at https://four-leaf.ai/blog/python-interview-questions You can find a hundred Python interview qu…

pythoninterviewcareerdatascience
Dev.to Jun 16, 2026, 23:33 UTC
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Subsets II | Backtracking

leetcode.com Problem Statement Given an integer array nums that may contain duplicates, return all possible subsets (the power set). The solution must…

algorithmsinterviewjavaleetcode
Dev.to Jun 16, 2026, 17:18 UTC
EN

The Code AI Won't Write

I use a form validation problem as a technical interview question. It's deceptively simple — and the solutions people reach for reveal a lot about how…

aiinterviewjavascriptprogramming
Dev.to Jun 16, 2026, 12:30 UTC
EN

🎯 The STAR Quest: Level‑Up Your Behavioral Interview Like Neo Seeing the Code

The Quest Begins (The "Why") I still remember the first time I faced a behavioral interview. I walked in feeling like I’d just aced a whiteboard algor…

interviewcareerprogrammingsoftwareengineering
Dev.to Jun 15, 2026, 22:35 UTC
EN

Remove Duplicates from Sorted Array

Problem Statement Given a sorted integer array nums , remove the duplicates in-place such that each unique element appears only once. Return the numbe…

algorithmsbeginnersinterviewleetcode
Dev.to Jun 14, 2026, 16:13 UTC
EN

The Jedi Mind Trick: How One Resume Line Turned My Job Hunt Into a Victory Lap

The Quest Begins (The "Why") Honestly, I felt like I was stuck in the opening scene of The Matrix —surrounded by green code that made zero sense, exce…

interviewcareerprogrammingsoftwareengineering
Dev.to Jun 14, 2026, 05:16 UTC
EN

Top 12 SQL Interview Problems for Data Engineers, With Answers

I've been on both sides of the SQL interview table somewhere around 20 times in a single job search. The pattern is always the same: candidates know S…

sqldatabaseinterviewcareer
Dev.to Jun 13, 2026, 20:04 UTC
EN

Why You Keep Failing Dynamic Programming Problems (And How to Actually Fix It)

TL;DR: Dynamic programming is the topic most developers struggle with longest, and the reason is almost always the same: they are trying to memorize s…

algorithmscomputerscienceinterviewlearning
Dev.to Jun 13, 2026, 08:11 UTC
EN

Live coding lost its signal. Here's how interview prep splits by company size in 2026.

Live coding stopped telling interviewers what it used to, and most candidates haven't updated their prep. The round didn't get easier. The signal got …

careerinterviewaiprogramming
Dev.to Jun 12, 2026, 20:17 UTC
EN

How to Prepare for a Senior Developer Interview in 2026

The bar for senior engineers has shifted. Companies aren't just testing whether you can reverse a linked list. They want signal on how you think under…

careerinterviewwebdevprogramming
Dev.to Jun 11, 2026, 16:33 UTC
EN

Linked List Cycle Detection

leetcode.com Cycle detection is one of the most classic Linked List interview problems. At first, it may look like we need extra memory to track visit…

algorithmscomputerscienceinterviewleetcode
Dev.to Jun 11, 2026, 13:32 UTC
EN

Jetpack Compose Navigation(Interview Prep)

About this article: This is based on hands-on review of a real project. The goal is understanding over memorization — because interviewers can always …

interviewandroidnavigationbeginners
Dev.to Jun 10, 2026, 17:58 UTC
EN

Delete Node in a Linked List

Problem Link - https://leetcode.com/problems/delete-node-in-a-linked-list/ This is one of those interview questions that looks impossible at first. No…

algorithmscomputerscienceinterviewleetcode
Dev.to Jun 10, 2026, 09:17 UTC
EN

How to actually learn data structures and algorithms

Most people learn data structures and algorithms the hard way: they open a problem site, sort by "most solved," and start grinding. A month later they…

dsalearninginterview
Dev.to Jun 9, 2026, 19:44 UTC
EN

What is the Purpose of the @Autowired Annotation in Spring Boot?

Learn what the @Autowired annotation in Spring Boot is, how dependency injection works, practical examples, best practices, and common mistakes to avo…

javainterviewspringspringboot
Dev.to Jun 9, 2026, 03:03 UTC
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Top Importer of Record Providers for IT and Technology Hardware: A Verified Shortlist

Top Importer of Record Providers for IT and Technology Hardware: A Verified Shortlist Your GPU shipment is sitting at customs. The clearance agent you…

interview
Dev.to Jun 7, 2026, 10:18 UTC
EN

I Have Sat in 100s of Debrief Calls. Here Is What Interviewers Discuss After the Call.

After your interview loop ends, the people who interviewed you get on a call or a shared document and make a recommendation. This conversation is stru…

aiinterviewcareerbeginners
Dev.to Jun 4, 2026, 02:11 UTC
EN

Data Engineering Interviews with No Industry Experience: A Playbook That Actually Works

I graduated in November 2025. My only formal work experience is a 6-month IT internship. I have never worked at a tech company, never contributed to a…

dataengineeringcareerinterviewpython
Dev.to Jun 2, 2026, 22:06 UTC
EN

DSA vs. Real-World Coding Interviews — and Where Does AI Leave Us?

For a long time, I have come across the debate on the right way to vet technical candidates: should interviews focus on Data Structures & Algorith…

algorithmscareerdiscussinterview
Dev.to Jun 2, 2026, 17:23 UTC
EN

Stop Memorizing Code: How I Built a Free Speed Trainer for SDE Prep (InterviewPro)

https://modreninterviewproject.vercel.app/ Hey Dev Community! 👋 As developers, we’ve all been there: staring at hundreds of LeetCode problems or DSA s…

learningfreelancebeginnersinterview
Dev.to Jun 2, 2026, 09:36 UTC
EN

Frontend System Design Interviews: What They Are, Why They Matter, and How to Actually Prepare

For mid-to-senior developers who want to stop winging it. If you've been a developer for 3+ years and you're targeting senior roles, there's a round i…

careerfrontendinterviewsystemdesign
Dev.to Jun 1, 2026, 23:16 UTC
EN

AI cheating in technical interviews is invisible to interviewers — here's how we detect it

AI cheating in remote interviews is now the norm, not the exception. Candidates are running Cluely, Parakeet AI, and screen overlay tools while sharin…

interviewai
Dev.to May 30, 2026, 17:31 UTC
EN

Amazon SDE I (6 months) 2026 Interview Experience (Off Campus)

This is a breakdown of my interview experience for the Amazon SDE I Intern (July–Dec 2026) role. The process spanned a few months and tested both my t…

amazoninterviewsoftwaredevelopmentamazoninterviewexperience
Dev.to May 30, 2026, 13:09 UTC
EN

Stop Reading Interview Tips. Start Practicing With a System.

You've read dozens of "top 10 interview tips" articles. You know the STAR method in theory. And yet, the moment you're in a real interview, your mind …

careerinterviewlearningproductivity
Dev.to May 29, 2026, 11:09 UTC
EN

Amazon STAR Method 2026: The Complete Cheat Sheet (30+ Questions + Scored Examples)

If you're interviewing at Amazon this year, you've probably read that you need to "prepare STAR stories." What most guides don't tell you is exactly h…

careeramazoninterviewjobsearch
Dev.to May 28, 2026, 15:37 UTC
EN

I Bombed My First System Design Interviews. These 5 Concepts Were Why.

I failed three system design interviews in a row. Not because I didn't know the concepts. I knew them cold. Caching, sharding, consistent hashing, CAP…

systemdesignwebdevcareerinterview
Dev.to May 24, 2026, 22:37 UTC
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What I Understood from Cracking the Coding Interview

Recently, my mentor gave me the book Cracking the Coding Interview and asked me to read it carefully. After reading the introduction, I understood man…

beginnerscareerinterviewlearning
Dev.to May 24, 2026, 06:37 UTC
EN

Spring Boot Auto-Configuration Source Code: Nail This Interview Question

Spring Boot Auto-Configuration: The Interview Question That Separates Junior from Senior After thousands of interview communications, one pattern is c…

javaspringbootinterviewprogramming
Dev.to May 23, 2026, 14:33 UTC
EN

I Open-Sourced a Practical Fullstack Interview Preparation Repository (React + Node + System Design)

I’ve taken and conducted software engineering interviews over the years, and one thing became obvious: Most interview prep resources don’t reflect rea…

careerinterviewopensourcesystemdesign
Dev.to May 23, 2026, 12:16 UTC
EN

Spring boot Interview Questions

1. What is CORS and why is it required? CORS (Cross-Origin Resource Sharing) is a browser security mechanism that allows/restricts APIs from being acc…

careerinterviewjavaspringboot
Dev.to May 22, 2026, 18:18 UTC

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