Techwondoe

A software development company that has perfected the art of project delivery. They keep pace with new technology and are constantly sharpening ourselves so that the software we deliver is: Best bang for your buck, on-time and high quality

Interview Questions

Learn and Practice on almost all coding interview questions asked historically and get referred to the best tech companies.

Problem Title

Exp

Difficulty

Avg. time

Attempted

Upvotes

First non repeating character

Easy

15 mins

16.2k

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Interview Experiences

Gain the Edge You Need at your next technical interview with Coding Ninjas.s unlimited interview problems practices for Techwondoe

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Techwondoe | Flutter Developer Intern | Experienced | Dec 2025

Published on 7 Mar 2026

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Guided Paths

Here is your ultimate guide for cracking your dream job interview, you can choose your tracks and start preparing for Techwondoe

Data structures & algorithms (Beginner to Intermediate)

If you are a complete beginner to data structures / want quick content to revise and practise questions for placements, this is the guided path for you . This guided path covers the absolute basics introducing every data structure, its need and then checks your understanding with relevant coding questions and mcqs to solve, so that you can have an all round understanding of the concepts studied.