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Tracxn Senior Full Stack Developer Interview Questions, Process, and Tips

Updated 11 Apr 2024

Tracxn Senior Full Stack Developer Interview Experiences

1 interview found

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Job Portal and was interviewed in Mar 2024. There was 1 interview round.

Round 1 - Technical 

(7 Questions)

  • Q1. What is your Role and responsibility in your current organization?
  • Q2. What Kind of Production environments do you solve?
  • Ans. 

    I solve complex production environments by identifying issues, optimizing performance, and implementing solutions.

    • Identifying bottlenecks and optimizing performance

    • Troubleshooting and resolving production issues

    • Implementing scalable solutions for high traffic websites

    • Working with cloud services like AWS or Azure

    • Automating deployment processes with tools like Jenkins or Docker

  • Answered by AI
  • Q3. What Features you have worked on? Explain 1 feature?
  • Ans. 

    Developed a real-time chat feature for a social networking platform.

    • Implemented WebSocket technology for instant messaging

    • Designed user interface for chat window with message history

    • Integrated push notifications for new messages

    • Developed backend logic for message encryption and decryption

  • Answered by AI
  • Q4. How did you prepare the design doc for this feature? What was your Approach?
  • Ans. 

    I prepared the design doc by outlining the requirements, architecture, data flow, and user interactions.

    • Outlined the requirements and goals of the feature

    • Defined the architecture and technologies to be used

    • Described the data flow and interactions between components

    • Included wireframes or mockups for user interfaces

    • Listed potential edge cases and how to handle them

  • Answered by AI
  • Q5. Find if Array2 is a substring of Array1
  • Ans. 

    Check if Array2 is a substring of Array1

    • Iterate through Array1 and check if each element contains Array2

    • Use built-in string functions like includes() or indexOf() to check for substring

    • Consider edge cases like empty arrays or arrays with empty strings

  • Answered by AI
  • Q6. How will you build breadcrums in react?
  • Ans. 

    Breadcrumbs in React can be built using a combination of state management and conditional rendering.

    • Create a state variable to store the breadcrumb data.

    • Update the state variable as the user navigates through the application.

    • Render the breadcrumbs component with the data stored in the state.

  • Answered by AI
  • Q7. How will you design a parking system? What api's will you create ? Their body and response object.
  • Ans. 

    Design a parking system with APIs for managing parking spots and reservations.

    • Create API for adding new parking spots with details like location, availability, and pricing

    • Create API for listing available parking spots based on location and availability

    • Create API for reserving a parking spot with user details and duration

    • Create API for cancelling a parking reservation

    • Response object for adding parking spot: { success: t...

  • Answered by AI

Skills evaluated in this interview

Senior Full Stack Developer Jobs at Tracxn

View all

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test 

The exam duration is one and a half hours.

Round 2 - Coding Test 

The total exam time is one and a half hours.

Round 3 - Group Discussion 

It encompasses all topics related to full stack development.

Round 4 - Technical 

(2 Questions)

  • Q1. Asks questions on SQL
  • Q2. Asks question in typical topics
Round 5 - HR 

(1 Question)

  • Q1. Where do you see yourself in two years?
  • Ans. 

    In two years, I see myself as a senior software developer leading a team on innovative projects.

    • Advancing to a senior software developer role

    • Leading a team on new and innovative projects

    • Continuing to enhance my technical skills through ongoing learning and training

  • Answered by AI
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
Not Selected
Round 1 - Technical 

(2 Questions)

  • Q1. LRU Cache - how to tackle
  • Ans. 

    LRU Cache is a data structure that maintains a list of items in order of most recently used to least recently used.

    • Implement using a doubly linked list and a hashmap for efficient operations

    • When an item is accessed, move it to the front of the list

    • When the cache is full, remove the least recently used item from the end of the list

  • Answered by AI
  • Q2. LRU Cache implementation based on a real time system. How would the main work which will be called etc etc
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Referral and was interviewed in Aug 2024. There were 2 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Binary search for closest element
  • Ans. 

    Binary search to find the closest element in a sorted array

    • Implement binary search to find the target element in the array

    • Keep track of the closest element found so far while searching

    • Update the closest element if a closer one is found during the search

  • Answered by AI
  • Q2. String manipulation
Round 2 - Technical 

(1 Question)

  • Q1. Low level Design for an online e-commerce website
  • Ans. 

    Low level design for an online e-commerce website involves designing the architecture and components of the website.

    • Identify the main components such as user interface, database, payment gateway, product catalog, etc.

    • Design the database schema to store user information, product details, orders, etc.

    • Implement user authentication and authorization mechanisms for secure access.

    • Integrate payment gateway for processing tran...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Zepto Software Developer interview:
  • DSA
  • Design patterns

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via campus placement at RV College Of Engineering (RVCE) and was interviewed in Aug 2024. There were 2 interview rounds.

Round 1 - Coding Test 

3 Medium level dsa questions

Round 2 - One-on-one 

(2 Questions)

  • Q1. Lld of cab booking system
  • Ans. 

    The Low Level Design (LLD) of a cab booking system involves detailing the system architecture and components at a lower level of abstraction.

    • Identify the main components of the system such as user interface, booking engine, payment gateway, and driver allocation algorithm.

    • Define the interactions between these components and how data flows between them.

    • Specify the data structures and algorithms used for efficient bookin...

  • Answered by AI
  • Q2. Discussion about online assesment

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare for machine coding rounds.

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

It was an online test

Round 2 - Technical 

(1 Question)

  • Q1. Basic DSA Questions
Round 3 - HR 

(1 Question)

  • Q1. Tell me about yourself
Interview experience
2
Poor
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

HAckerrank based test

Interview experience
4
Good
Difficulty level
Hard
Process Duration
More than 8 weeks
Result
Not Selected

I applied via campus placement at Pondicherry University and was interviewed in May 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Basic aptitude with tracing program

Round 2 - Coding Test 

3 problem with easy to hard

I was interviewed in Jun 2021.

Round 1 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Algorithm and Data Structures. MCQ based on dbms, html, css, js, sql, oops, program output.

  • Q1. Valid Parentheses

    You're given string ‘STR’ consisting solely of “{“, “}”, “(“, “)”, “[“ and “]” . Determine whether the parentheses are balanced.

    Input Format:
    The first line contains an Integer &...
  • Ans. Valid Parenthesis

    Make use of the stack. Traverse the string and push the current character in the stack if it is an opening brace else pop from the stack If it is the corresponding starting brace for current closing brace then move to the next character of the string otherwise return false.

     

    If after complete traversal if the stack is empty then the string is balanced else it is not balanced.

     

    Pseudo Code:

    • Decla...
  • Answered by CodingNinjas
  • Q2. Group Anagrams

    You have been given an array/list of strings 'inputStr'. You are supposed to return the strings as groups of anagrams such that strings belonging to a particular group are anagrams o...

  • Ans. Categorize by Count

    The key idea behind this approach is that we can transform each string into a string representing the character count. We will use an array “count”, of size 26 such that each element of the array represents the number of a’s, b’s, c’s and so on… We will be using these frequencies to create a string, delimited by ‘#’ characters, that we will use as a key for our HashMap.

     

    For example :

    str=”abbccc”...

  • Answered by CodingNinjas
Round 2 - Face to Face 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Algorithm and Data Structures. Sql queries insert and update commands.

  • Q1. Buy and Sell Stock - III

    Given an array "prices". In "prices" the ith element is the price of the stock on the ith day. Your task is to find maximum profit at the end of the ith day. Yo...

  • Ans. Brute Force

    The basic idea is that, try all possible transactions, means move to every index and try to perform one transaction before the current index and one after the current index. For all the possibilities choose maximum.

     

    • ‘ans = 0’, to store answers as maximum profit.
    • Iterate a loop ‘i’ from ‘0’ to ‘n - 2’.
    • For every ‘i’, find the best transaction on the left side of right, which means iterate a loop ‘j’ from ‘...
  • Answered by CodingNinjas
  • Q2. Word Ladder

    You are given two strings BEGIN and END and an array of strings DICT. Your task is to find the length of the shortest transformation sequence from BEGIN to END such that in every transformation...

  • Ans. Using BFS

    The idea is to use BFS traversal of the graph because considering an edge between any two adjacent words(words that will have a difference of only one alphabet) after that you just have to find the shortest between the start word and the target word and that can be done using BFS.  

      

    Here is the algorithm: 

      

    1. As the BFS procedure goes start to form the "BEGIN " word, add it to...
  • Answered by CodingNinjas
Round 3 - Face to Face 

(1 Question)

Round duration - 45 minutes
Round difficulty - Medium

Some questions related to html and css. What are the various selector in css. SQL queries on how to use group by and having. Difference between truncate and delete.

  • Q1. Ninjas's Robot

    Ninja has a robot that can move in an infinite number line. The robot starts at position 0, with speed = +1. The robot moves automatically according to the sequence of instructions “A” (Acc...

  • Ans.  Breadth-First Search

    The basic idea is to use modified Breadth-First Search (BFS) here We can keep track of all the possible positions of the robot after ‘N’ instructions (N = 0, 1, 2, 3, 4, ...) and return the smallest ‘N’ such that the ‘TARGET’ position is reached

     

    The steps are as follows:

    1. Initialize an integer variable ‘N’:= 0.
    2. Create a queue of list/array ‘STATE’  Each element in the queue has an arr...
  • Answered by CodingNinjas

Interview Preparation Tips

Professional and academic backgroundI applied for the job as Fullstack Developer in GurgaonEligibility criteriaNo criteriaLimeroad.com interview preparation:Topics to prepare for the interview - Algorithms, Data Structures, DP, Tree, Linked List, OOPS, JavaTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : Practice leetcode medium problems and also geeksforgeeks
Tip 2 : Have good knowledge of OOPS concept
Tip 3 : Good to know about Java

Application resume tips for other job seekers

Tip 1 : Put your achievements like ranks in coding contest or leetcode rating
Tip 2 : Better to have Java as a skill and some good projects or internships.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview Questionnaire 

2 Questions

  • Q1. About sdlc
  • Q2. About web development

Tracxn Interview FAQs

How many rounds are there in Tracxn Senior Full Stack Developer interview?
Tracxn interview process usually has 1 rounds. The most common rounds in the Tracxn interview process are Technical.
How to prepare for Tracxn Senior Full Stack Developer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Tracxn. The most common topics and skills that interviewers at Tracxn expect are Full Stack, MongoDB, OOPS, Python and Data Structures.
What are the top questions asked in Tracxn Senior Full Stack Developer interview?

Some of the top questions asked at the Tracxn Senior Full Stack Developer interview -

  1. How did you prepare the design doc for this feature? What was your Approa...read more
  2. How will you design a parking system? What api's will you create ? Their body a...read more
  3. What Features you have worked on? Explain 1 featu...read more

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