Eneffen Technologies Interview Questions and Answers

Q1. Introduce yourself
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Q2. What has been your experience with framework design and implementation?
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Q3. What is the tech and languages you are comfortable with? Rate yourself on each.
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Q4. What is your experience with finance?
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Q5. What is TDD and BDD? What are the differences and which one do you prefer?
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Q1. Write a program to find the frequency of word in a sentence
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Q2. Write a program to check if the sum of digits of.the given number is a prime number
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Q3. Write an SQL query to get the second highest salary in the table
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Q4. What is the difference between abstract class and interface? Give a use case for both.
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Q5. Explain static and give it's use case.
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Q6. Where are objects stored in memory?
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Q1. Interview was taken in malad on interface 7 building The relationship officer Vaibhav Panchal . He assigned Interviewer the way he was talking he was not able to speak in english half of the question i was...read more
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Q2. His english was poor How you will get the customer count who speak in english? he didn't gave me which table to fetch from ? * question changed get the customer from one table and count from the other ...read more
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Q1. Explain your last project and your role in this project
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Led a team in implementing a new CRM system for a large retail company
• Managed project timeline and deliverables

• Collaborated with stakeholders to gather requirements

• Provided training and support to end users

• Ensured successful implementation and user adoption

• Improved customer data management and analytics
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Q2. Overall working experience with other companies
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I have over 10 years of experience working with various companies in consulting roles.
• Managed client relationships and delivered successful projects on time and within budget

• Led cross-functional teams to drive business growth and improve operational efficiency

• Developed and implemented strategic plans to address client needs and achieve objectives
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Q3. Why choose kafka over MQ ? what challenges you faced during kafka implementation ?
Ans. 
Kafka is chosen for its scalability and fault tolerance compared to MQ.
• Kafka offers higher throughput and lower latency compared to MQ.

• Kafka is horizontally scalable, allowing for easy expansion as data volume grows.

• Kafka provides fault tolerance through replication of data across multiple brokers.

• Challenges faced during Kafka implementation may include setting up proper configurations, ensuring data consistency, and m...read more
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Q4. Monolith to microservice migration journey ? what all decisions needs to be taken and how the entire migration took place.
Ans. 
Monolith to microservice migration involves breaking down a large application into smaller, independent services.
• Evaluate the current monolith architecture and identify the components that can be decoupled into microservices.

• Define the boundaries of each microservice to ensure they are cohesive and loosely coupled.

• Choose the right technology stack for each microservice based on its requirements and scalability needs.

• Im...read more
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Q5. If worked for RestAPI ? what is the use of swagger ? what is the content of Swagger documentation ?
Ans. 
Swagger is a tool used for documenting and testing REST APIs.
• Swagger is used for documenting REST APIs by providing a user-friendly interface to view and interact with API endpoints.

• It allows developers to easily understand the functionality of an API, including available endpoints, request/response formats, and authentication methods.

• Swagger documentation typically includes information such as API endpoints, request p...read more
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Q6. Only this was asked to me , and rejected
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Q1. What are derivatives in finance?
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Derivatives in finance are financial instruments whose value is derived from the value of an underlying asset.
• Derivatives can be used for hedging against risk, speculating on price movements, or gaining exposure to assets without owning them.

• Common types of derivatives include options, futures, forwards, and swaps.

• Options give the holder the right, but not the obligation, to buy or sell an asset at a specified price be...read more
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Q2. What are the different types of derivatives?
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Derivatives are financial instruments whose value is derived from an underlying asset or group of assets.
• Types of derivatives include options, futures, forwards, and swaps.

• Options give the holder the right, but not the obligation, to buy or sell an asset at a specified price before or on a specified date.

• Futures are contracts to buy or sell an asset at a future date for a price agreed upon today.

• Forwards are similar to...read more
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Q1. What are the details of the stock market and its various products?
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The stock market is a platform where investors can buy and sell shares of publicly traded companies.
• Stocks represent ownership in a company and can be bought and sold on stock exchanges like NYSE and NASDAQ.

• Bonds are debt securities issued by companies or governments to raise capital.

• Mutual funds pool money from multiple investors to invest in a diversified portfolio of stocks, bonds, or other securities.

• Options give i...read more
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Q2. Balance sheet,profit &loss account
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Q3. Journal entries
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Q4. Option in detail, economic crisis,
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Here’s a simple framework to approach a case study effectively:


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Case Study Framework

1. Understand the Problem

Read the case thoroughly and identify the key issue.

Ask clarifying questions if needed (if in a live setting).

Summarize the problem in your own words.



2. Analyze the Situation

SWOT Analysis (Strengths, Weaknesses, Opportunities, Threats)

Identify relevant stakeholders.

Gather data or key insights from the case text.



3. Identify Alternatives

Brainstorm possible solutions to the problem.

Consider multiple approaches (e.g., short-term vs. long-term solutions).



4. Evaluate the Alternatives

Weigh the pros and cons of each solution.

Assess feasibility, costs,

Q1. What are the common performance issues that can occur in a system?
Ans. 
Common performance issues in a system include slow response times, high resource usage, bottlenecks, and crashes.
• Slow response times can be caused by inefficient code, network latency, or overloaded servers.

• High resource usage can lead to system slowdowns and crashes, often caused by memory leaks or inefficient algorithms.

• Bottlenecks occur when a component of the system becomes a limiting factor, such as a database ser...read more
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Q2. What is your experience with software bug fixing?
Ans. 
I have experience in identifying and resolving software bugs through thorough testing and collaboration with developers.
• Identifying bugs by reproducing issues reported by users

• Collaborating with developers to understand root cause of bugs

• Testing bug fixes to ensure they are effective

• Utilizing bug tracking tools like Jira or Bugzilla

• Experience with regression testing to prevent reoccurrence of bugs
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Shortcut Tips for Coding Tests: 1. Master the Basics: Familiarize yourself with arrays, strings, loops, and conditional statements. 2. Learn Patterns: Concentrate on sliding window, two-pointer techniques, recursion, and divide-and-conquer methods. 3. Use Standard Algorithms: Study breadth-first search (BFS), depth-first search (DFS), sorting algorithms, and dynamic programming principles. 4. Understand Data Structures: Practice with stacks, queues, linked lists, and trees. 5. Practice Edge Cases: Consider scenarios involving empty inputs, duplicates, and large datasets. 6. Write Pseudocode: Outline your plan before starting to code. 7. Optimize Early: Always strive for efficiency in your solutions.

Q1. Walk me thru your CV
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Q2. Technical questions from Job description
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Q3. Why switching your job?
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Q4. Behavioral Questions
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Q5. Projects and accomplishments
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Q6. How do you align with the role?
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Q1. Introduction, be prepared to have knowledge on your resume
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Q2. Mathematical questions like percentage
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Q3. Critical thinking. They asked a question with a given situation what you'll do .
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Q4. The past 4 days been climate be stroming . And current was cut off due to rain and flood , you have a important assignment to finish, what you'll do
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