Codenation Recruitment Process
Question Details
This article will give you information about the company, its recruitment process,
sample questions that have been asked previously, lots of experiences shared by other as...
Full Details
This article will give you information about the company, its recruitment process,
sample questions that have been asked previously, lots of experiences shared by other aspirants, and the portal where you can apply. Table of Content About the Company: Recruitment Process:
Coding Round:
Technical Round:
HR Round: Interview Experiences: About the Company: CodeNation is a software solutions company that is the Indian daughter branch of the company DevFactory, which in turn is the research and development wing of the Trilogy Group. The main goal of the company is to optimize the software development process and deliver cost-effective world-class software products. Recruitment Process:
Coding Round Technical Round 1 Technical Round 2 Technical Round 3 HR Round Coding Round: The Codenation hosts its coding round on Hackerrank and generally goes by CodeAgon. The round consists of about 4 questions ranging from the lower to higher difficulty. The questions are generally from the following paradigms- AdHoc, Combinatorics, Dynamic programming, Segment tree, etc.
Technical Round: Codenation conducts around 2 to 3 technical interview rounds and can be held both face-to-face or over Skype. The company says: The first interview is designed to assess your coding process and problem-solving skills. Generally, complex and abstract problems with a bit of indirection are thrown in. The second interview assesses the depth of your concepts and the initiatives you have undertaken. They dig into the knowledge and experience of the interviewee that he or she had gained in the past from the projects and internships. The third interview checks your ability to concretize a fuzzy problem statement into a solution. For example, if you had your own startup and had to build a solution like Google maps, how would you go about it? So the question can range from all fields of CS focusing mainly on data structure and algorithms and the focal points like the dynamic programming, tree and puzzle related questions to test logic.
HR Round: This round is generally taken by the CEO himself and questions can be from the projects, internships and general HR questions like: Why do you want to join this company? What was the toughest problem you have faced? Interview Experiences: CodeNation Interview Experience Questions asked in Codenation: The painter’s partition problem The painter’s partition problem Stack Data Structure (Introduction and Program) Check length of a string is equal to the number appended at its last Where To Apply: CodeNation Careers CodeNation Official Site
About This Question
This is a reported interview question from a codenation interview for a swe role during the oa round reported in 2025.
It covers the following topics: Trees, Strings, Dynamic Programming, Sql, Stack Queue, Stack .
Difficulty rating: Hard
More Codenation Interview Questions
About Codenation Interview Reports
This question was reported by a candidate who interviewed at Codenation. LeakCode aggregates interview reports from 10+ sources, including 1Point3Acres, Glassdoor, LeetCode Discuss, Blind, Reddit, Indeed, and Nowcoder. Each report is translated where necessary, deduplicated against existing entries, and tagged by company, role, round type, and reporting date.
Use this question as one calibration data point, not a memorization target. Companies typically rotate their question pools every 2-4 months; the exact wording of a 2024 question may differ from what you encounter today. The underlying pattern, difficulty level, and follow-up depth at Codenation are the higher-signal extractions to take from this report.
For broader preparation context, the Codenation interview process typically includes a recruiter screen, one or two technical phone screens, and a 4-5 round on-site loop covering coding, system design (at L4+ levels), and behavioral. Reports tagged on LeakCode show the round-by-round distribution and typical difficulty calibration. To browse questions filtered by round type and seniority, use the company hub linked above.
How To Practice This Type of Question
Solve similar problems on LeetCode under timed conditions (25-35 minutes per medium difficulty). The goal is pattern recognition: recognize the underlying technique (sliding window, two-pointer, BFS, memoized recursion, etc.) within 60-90 seconds of reading. Strong candidates verbalize their hypothesis out loud before coding, then iterate based on feedback. Weak candidates dive into implementation immediately, lose time on the wrong approach, and run out of time for follow-ups.
Companies update their question pools every 2-4 months. The exact wording of any given question may have been retired by the time you interview. Focus your prep on the pattern, not the specific problem. The patterns that appear in Codenation reports consistently are the ones worth investing in; one-off niche problems are not.
During Your Codenation Round
Apply the standard interview round template: clarify requirements (2-3 minutes), state your approach out loud and confirm direction with the interviewer (3-5 minutes), code with narration (15-25 minutes), test with concrete examples including edge cases (5 minutes), discuss optimization or trade-offs if time permits (5 minutes). This template is universally accepted across FAANG and adjacent companies; deviating from it produces weaker interviewer feedback signal.
The single most predictive failure mode in Codenation reports tagged "no hire": not asking clarifying questions. Interviewers are explicitly trained to weight this. Strong candidates ask 3-5 clarifying questions even on problems that look obvious; weak candidates dive into code immediately. The clarifying-question check is often the first signal recorded in the interviewer's written notes.