Freecharge Interview Questions, Process, and Tips

Q1. Tell me risk framework and how will you manage in Fintech company?
Ans. 
Risk framework is a structured approach to identifying, assessing, and managing risks within an organization. In a Fintech company, I would implement a risk framework tailored to the specific risks faced in the industry.
• Understand the unique risks in the Fintech industry such as cybersecurity, regulatory compliance, and operational risks.

• Develop a risk management strategy that aligns with the company's objectives and r...read more
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The first round is an aptitude assessment that consists of coding questions focused on dynamic programming, as well as medium to hard level aptitude and reasoning questions.

The second round focuses on coding and consists of data structure and algorithm questions related to arrays, linked lists, basic Java concepts, strings, and project-based questions from the resume.

The third round also consists of coding, which includes challenging data structures and algorithms questions based on graphs, trees, multithreading, and difficult SQL-based questions.

Q1. What are your short-term and long-term goals?
Ans. 
My short-term goal is to enhance my skills in backend development and contribute effectively to the team. My long-term goal is to become a lead developer and work on innovative projects.
• Short-term goal: Improve backend development skills

• Short-term goal: Contribute effectively to the team

• Long-term goal: Become a lead developer

• Long-term goal: Work on innovative projects
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Q2. How do you approach solving a large problem within a limited timeframe?
Ans. 
I break down the problem into smaller tasks, prioritize them, and focus on the most critical aspects first.
• Break down the problem into smaller, more manageable tasks

• Prioritize tasks based on importance and impact

• Focus on critical aspects first to ensure progress

• Regularly reassess and adjust the plan as needed
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Q1. How to write docker file
Ans. 
A Dockerfile is a text document that contains all the commands a user could call on the command line to assemble an image.
• Start with a base image using the FROM keyword

• Use the RUN keyword to execute commands in the container

• Use the COPY keyword to add files from the host machine to the container

• Use the CMD keyword to specify the command to run when the container starts
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Q2. Explain file system in linux
Ans. 
File system in Linux organizes and manages data on storage devices.
• File system controls how data is stored, accessed, and managed on storage devices.

• Linux uses a hierarchical file system structure with directories and files.

• Common file systems in Linux include ext4, XFS, and Btrfs.

• File permissions in Linux determine who can read, write, or execute files.

• Mounting and unmounting drives allows access to different file sys
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Q3. Few Linux commands
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Q4. Kubernetes question
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Q1. Kubernetes case based question
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Q2. Linux scripting
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Leetcode medium and hard

zigzag traversal of BT
merge K sorted Linked List

Q1. Focussed mainly on Java, Spring and HLD
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Q1. LLD of booking system, designing a thread safe array blocking queue
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Q1. Normal salary discussion
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Q1. Longest Consecutive Sequence
Ans. 
Find the length of the longest consecutive elements sequence in an array.
• Sort the array to ensure consecutive elements are adjacent

• Iterate through the array and keep track of the current consecutive sequence length

• Update the longest consecutive sequence length as you iterate
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Q2. Core Java Questions
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Q1. Executor Service and it's code
Ans. 
Executor Service is a framework provided by Java for managing and executing asynchronous tasks.
• Executor Service allows you to easily create and manage threads for executing tasks.

• It provides a way to control the number of threads used for executing tasks, which can help prevent resource exhaustion.

• You can submit tasks to an Executor Service using methods like execute() or submit().

• Executor Service can be used to execut...read more
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Q2. Core Java and Spring boot questions
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Q1. Design patterns
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Q2. Core Java questions
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The aptitude test was medium level.

Q1. Array - Pair Sum - Return pair of the sum from arrays
Ans. 
Find pairs in array that sum up to a given target value.
• Iterate through the array and store each element in a hash set.

• For each element, check if the target value minus the current element exists in the hash set.

• Return the pair of elements that sum up to the target value.
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Q2. Check if two strings are anagram of each other
Ans. 
Check if two strings are anagram of each other
• Create character count arrays for both strings

• Compare the character count arrays to check if they are equal

• Example: 'listen' and 'silent' are anagrams
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