UPS Supply Chain Solutions Senior Application Developer Interview Questions and Answers

Q1. Core Java and SQL-related questions.
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Q1. What is your Previous job experience-related ?
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The aptitude test consists of pen and paper method. They have asked the mcqs of the concepts Networking,Database, Basic Aptitude, and one program.

Q1. 1) Tell me about your self 2) Tell me about your projects and what is your contribution in your projects 3) What is the difference between global variables and local variables in c 4) Difficulties faced i...read more
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Q1. 1) Tell me about your self that is not in the resume 2) Why did you choose Engineering 3) Are you available to work in night shifts 4) How did you hear about us? 5) Are you willing to relocate? 6) What is...read more
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Q1. Basic tech questions
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Q1. Salary negotiation
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It was for about 20 minutes for 20 questions

Coding test was for 20 minutes with few code snippets and one design question

Q1. What is front door?
Ans. 
Front door is the main entrance to a building or house.
• Main entrance to a building or house

• Usually located at the front of the building

• Provides access to the interior of the building

• May have a doorbell or knocker for visitors

• Can be made of various materials such as wood, metal, or glass
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Q2. What is difference between web application firewall and application gateway
Ans. 
Web application firewall protects web applications from various attacks, while application gateway acts as a reverse proxy for applications.
• Web application firewall focuses on protecting web applications from common attacks like SQL injection, cross-site scripting, and DDoS attacks.

• Application gateway acts as a reverse proxy for applications, providing features like SSL termination, URL-based routing, and load balancin...read more
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Including coding questions

Q1. Basics of python
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Q2. Data base questions
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It was a normal aptitude test with mathematical questions.

It was a techno-coding test where I had to code while sharing my screen on a live conversation with the interviewer.

Q1. I was primarily asked about managerial questions on adaptability to new technology and creativity if existing solutions don't work.
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Q2. In a situation where your team is not getting a proper result with existing approach your team uses, how would you try to fix it?
Ans. 
I would analyze the current approach, identify the root cause of the issue, brainstorm alternative solutions, and collaborate with the team to implement and test them.
• Analyze the current approach to identify weaknesses

• Brainstorm alternative solutions with the team

• Implement and test the new solutions

• Regularly communicate and collaborate with team members
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Q1. How to identify and solve race condition.
Ans. 
Identifying and solving race conditions involves understanding concurrent execution and implementing synchronization mechanisms.
• Understand the critical sections of code where race conditions can occur

• Use synchronization mechanisms like locks, semaphores, or atomic operations to control access to shared resources

• Implement thread-safe data structures or use thread-safe libraries to avoid race conditions

• Use tools like sta...read more
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Q2. Solve an array question on finding the third largest in an unsorted array.
Ans. 
Find the third largest element in an unsorted array of strings.
• Sort the array in descending order.

• Remove duplicates if necessary.

• Return the element at index 2 as the third largest.
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