TAAB Solutions interview experience Real time questions & tips from candidates to crack your interview
Backend Developer
TAAB Solutions
1 rounds | 2 Coding
problems
Rejected
Interview preparation journey
Journey
I prepared for the Backend Developer role by consistently solving DSA problems on platforms like Code360 and revising core CS fundamentals such as DBMS, OS, CN, and OOPs. Alongside, I gained hands-on experience with backend technologies like Java, Spring Boot, Node.js, Express.js, MySQL, MongoDB, and Redis while building projects such as authentication systems and e-commerce backends. I revised HTTP request types, APIs, and caching strategies, which helped me understand real-world problem-solving. To strengthen my explanation skills, I practiced mock interviews and learned to explain both brute-force and optimized approaches clearly. This mix of coding practice, fundamentals, and project work shaped my backend preparation journey.
Preparation
Topics: Node.JS, JavaScript, SQL
Application process
Where: Coding Ninjas Placement Cell
Eligibility: NA, (Salary range: 7-9 LPA)
Interview rounds
01
Round
Medium
Online Coding Interview
Duration
Interview date21 Mar 2025
Coding problem2
1. Triangle Pattern Printing
Given a positive integer n, print triangle-shaped patterns to the console (e.g., left-aligned, right-aligned, or centered) consisting of characters such as * or numbers. The pattern must have n rows and follow the specified alignment and character rules.
2. Palindrome Check
Given a non-empty string, determine whether it is a palindrome. A palindrome reads the same forward and backward. Return a boolean indicating if the string qualifies under the given constraints (e.g., case sensitivity, alphanumeric-only if specified).
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
How do you remove whitespace from the start of a string?
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