HashedIn by Deloitte Software Engineer2 Interview Questions and Answers

A palindrome is a string that reads the same forwards and backwards, like 'radar' or 'level'.

• Check if the string is equal to its reverse. Example: 'madam' == 'madam'.

• Ignore spaces and punctuation for a more flexible check. Example: 'A man, a plan, a canal, Panama!' is a palindrome.

• Consider case sensitivity. Example: 'Racecar' is not the same as 'racecar' unless you ignore case.

Design a scalable loan generating system to process applications, assess risk, and disburse loans efficiently.

• User Registration: Users create accounts with personal and financial information.

• Loan Application: Users submit loan applications specifying amount, term, and purpose.

• Credit Scoring: Integrate with credit bureaus to assess applicant creditworthiness.

• Risk Assessment: Use algorithms to evaluate risk based on...read more

Designing a database for a ticket booking system involves managing users, events, bookings, and payments efficiently.

• Users table: Stores user information (e.g., user_id, name, email).

• Events table: Contains event details (e.g., event_id, title, date, venue).

• Bookings table: Links users to events (e.g., booking_id, user_id, event_id, seats_booked).

• Payments table: Records payment transactions (e.g., payment_id, bookin...read more

Design a lending application with a robust database schema for managing loans, users, and transactions.

• Entities: Users, Loans, Payments, and Loan Types.

• Users table: user_id, name, email, phone, address.

• Loans table: loan_id, user_id, amount, interest_rate, start_date, end_date, status.

• Payments table: payment_id, loan_id, payment_date, amount, payment_method.

• Loan Types table: type_id, type_name, max_amount, min_amou...read more

Reverse a linked list using iterative approach

• Initialize three pointers: current, prev, and next

• Iterate through the linked list, updating pointers to reverse the list

• Return the new head of the reversed linked list

Designing a scalable and efficient e-commerce platform for online shopping.

• Use microservices architecture for scalability and flexibility

• Implement caching mechanisms to improve performance

• Utilize a robust database system for storing product information and user data

• Integrate payment gateways for secure transactions

• Implement search and recommendation algorithms for personalized user experience

Jira is a project management tool used for issue tracking, task management, and agile project management.

• Jira allows users to create and track issues, assign tasks, and prioritize work.

• It supports agile methodologies like Scrum and Kanban.

• Users can customize workflows, create dashboards, and generate reports.

• Integration with other tools like Confluence, Bitbucket, and Slack is possible.