ZestMoney Software Development Engineer Interview Questions and Answers for Experienced

Q1. Data Structure and algorithm
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Q2. System design question
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Java coding questions, basic Java questions.

Q1. Java basics questions.
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Q2. Live coding.
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Q1. Discussion on previous experience and projects.
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Q2. System design question
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Q1. Questions on SQL, Java advanced, personal projects, Java frameworks, UI based questions, Agile methodologies.
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Q2. Interview discussion with the whole team.
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Q1. Benefits discussion.
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Q2. Salary discussion.
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They have problem of K sorted array and you need to make an sorted array of it.

Q1. Your current job role
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Q2. Software Developer
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Scenarios base conding round

Questions on strings in javascript.
Basic javascript and typescript.

Q1. Questions on cloud technologies
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Q1. Cultural fit and salary related discussion
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Medium level leet code questions

Q1. Low Leven system design of Instagram.
Ans. 
Low level system design of Instagram involves designing the core components like database, storage, caching, and networking.
• Use sharding to distribute data across multiple database servers for scalability.

• Implement a caching layer using Redis or Memcached to improve performance.

• Utilize a content delivery network (CDN) for faster content delivery to users.

• Design a fault-tolerant storage system to ensure data durability ...read more
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Q1. Creating a high level design of a message queue system
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Designing a message queue system for efficient communication between components
• Define the requirements and constraints of the system

• Choose a suitable messaging protocol (e.g. AMQP, MQTT)

• Design the message format and structure

• Implement mechanisms for message persistence and delivery guarantees

• Consider scalability and fault tolerance

• Use appropriate data structures and algorithms for efficient message handling
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Q1. What are your goals ?
Ans. 
My goal is to continuously improve my technical skills, contribute to impactful projects, and eventually move into a leadership role.
• Continuously improve technical skills through learning new technologies and best practices

• Contribute to impactful projects by delivering high-quality code and solutions

• Work towards moving into a leadership role by taking on more responsibilities and mentoring junior team members
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Q2. Why you choose jupiter
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I chose Jupiter because of its strong gravitational pull and potential for scientific exploration.
• Jupiter's large size and mass make it a key player in shaping the solar system

• Its strong magnetic field and radiation belts provide valuable insights for space research

• Jupiter's moons, like Europa and Io, offer unique environments for potential exploration missions
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A topic was assigned, and we need to present our perspectives.

A case study was provided about a company's sales and growth.

Q1. Were the questions primarily focused on personal achievements and future aspirations?
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Q1. 1 - Easy Medium Question. Discuss the approach with interviewer and then implement it. The code should work, thats important.
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Q1. LLD round to design Chess.
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Q1. Hiring manager round. Grilling on resume and past experience questions
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Coding round was for 1 hour. 1 medium-difficulty coding question on Arrays was asked. The code could be written on our IDE. Interviewer was friendly and provided good hints and feedback.

Q1. Design a hotel booking management system
Ans. 
A hotel booking management system to handle reservations, room availability, guest information, and payment processing.
• Create a database to store information on rooms, reservations, guests, and payments

• Develop a user interface for guests to search for available rooms and make reservations

• Implement a payment gateway for secure transactions

• Include features for managing room availability, cancellations, and guest check-in...read more
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Q1. General HR questions about our expectations from the job
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