One Key Technology Interview Questions and Answers

Q1. Professional background and salary
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Q2. Location & Travel
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Q1. Tell me about yourself
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Q2. Questions about excel and data management
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Q1. Questions related from past jobs
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Q2. How you manage team
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Q3. How you complete your targets
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Q1. Streams and java 8
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Q2. Core java in dpth
Ans. 
Core Java covers the fundamental concepts of the Java programming language.
• Core Java includes topics like OOP principles, data types, control structures, exception handling, and multithreading.

• Understanding concepts like inheritance, polymorphism, encapsulation, and abstraction is crucial in Core Java.

• Knowledge of Java collections framework, I/O streams, and JDBC is also important in Core Java.

• Familiarity with concepts...read more
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Q1. Jpa and hibernate
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Q2. Spring boot and in depth
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Q1. What is the use of @LoadBalanced annotation
Ans. 
The @LoadBalanced annotation is used in Spring Cloud to indicate that a RestTemplate should be load balanced.
• Used to automatically distribute client requests across multiple instances of a service

• Helps in achieving high availability and scalability

• Works in conjunction with Ribbon load balancer in Spring Cloud
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Q2. You can use this annotation on top of RestTemplate Bean. By this annotation the instance that will be created is load balanced i.e you don't need to write code to make this RestTemplate bean load balanced.
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Q1. Describe your project and role
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Q2. You need to describe your project in detail like current technologies being used etc. and your roles and responsibilities
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Q1. Why do you want to join Stripe?
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Q1. What is your current salary?
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Q2. Where are you based in?
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Q1. You will be given an email from a customer and will be asked to refer docs of stripe and solve his problem
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Q1. Tell me about a process improvement initiative
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Implemented a new inventory tracking system to reduce stockouts and improve order fulfillment
• Identified inefficiencies in current inventory management process

• Researched and selected a suitable inventory tracking software

• Trained staff on how to use the new system effectively

• Monitored key performance indicators to measure the success of the initiative
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Q1. Tell me about a time, you solved a problem without prior knowledge
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Duration-45 mins, Questions -4,Knowledge required- python,api request

Q1. Walkthrough of latest projects
Ans. 
I recently led a project to implement a new cloud-based data storage system for our company.
• Researched and selected the best cloud storage provider based on company needs

• Designed the architecture and data migration plan

• Managed the implementation process and trained team members on the new system
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Q2. Strengths - Technical and Behavioral
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Aptitude test consists of DSA questions and theory questions on Java, SQL and object oriented programming

Q1. Explain Object oriented programming
Ans. 
Object oriented programming is a programming paradigm based on the concept of objects, which can contain data and code.
• OOP focuses on creating objects that interact with each other to solve problems

• Encapsulation, inheritance, and polymorphism are key principles of OOP

• Classes and objects are used to create reusable code and organize data

• Example: In a banking system, a 'Customer' object may have attributes like name and ...read more
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Q2. Explain Design principles
Ans. 
Design principles are fundamental concepts used to guide the process of designing products or systems.
• Design principles help ensure consistency, usability, and aesthetic appeal in the final product.

• They often include principles such as simplicity, consistency, hierarchy, balance, and emphasis.

• For example, the principle of simplicity in design aims to eliminate unnecessary elements and focus on the essential features.

• Co...read more
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Q3. Solve a dsa questions live
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Q1. Java fundamental concepts and architecture
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Q2. Technical logical reasoning for issues
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Q1. Regarding previous work experience
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Q2. Work experience Knowledge of local market Business development plan
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Q3. Family history
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Q4. Local resources
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Q1. How many years of experience?
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Q2. Basic Questions on design background
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Q1. Tell me about yourself
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Q2. How good are you at managing projects?
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Q3. Take us through your portfolio
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