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Delta Air Lines SDE-2 Interview Questions and Answers

Updated 5 Nov 2021

Delta Air Lines SDE-2 Interview Experiences

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SDE-2 Interview Questions & Answers

user image Anonymous

posted on 5 Nov 2021

I appeared for an interview in Oct 2021.

Round 1 - Face to Face 

(2 Questions)

Round duration - 150 Minutes
Round difficulty - Hard

First They Shared the details about the organization then started with some basic problem-solving problems. 
After finishing that They started with DSA and at last asked about System design. It was around 2.5 hours.

  • Q1. 

    Find All Pairs Adding Up to Target

    Given an array of integers ARR of length N and an integer Target, your task is to return all pairs of elements such that they add up to the Target.

    Input:

    The first line ...
  • Ans. 

    Find all pairs of elements in an array that add up to a given target.

    • Iterate through the array and use a hashmap to store the difference between the target and each element.

    • Check if the current element exists in the hashmap, if so, print the pair.

    • If no pair is found, print (-1, -1).

  • Answered by AI
  • Q2. Design an application similar to Practo.
Round 2 - Video Call 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Easy

Tech + HR

  • Q1. 

    Sum of Even & Odd Digits

    You need to determine the sum of even digits and odd digits separately from a given integer.

    Input:

    The first line of input is an integer T representing the number of test c...

  • Ans. 

    Given an integer, find the sum of even and odd digits separately.

    • Iterate through each digit of the integer and check if it is even or odd

    • Keep track of the sum of even and odd digits separately

    • Return the sums of even and odd digits

  • Answered by AI

Interview Preparation Tips

Eligibility criteriamust have 3 Years of ExprienceDelta Air Lines interview preparation:Topics to prepare for the interview - Data Structure, Algorithm, SpringBoot, Microservices, Angular, Kafka, AgileTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Focus on Problem Solving Skills
Tip 2 : Focus on Design Patterns and also Low level design and High level design

Application resume tips for other job seekers

Tip 1 : Focused on Tech Stack to mention
Tip 2 : One page Resume is enough

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Internshala and was interviewed in Mar 2023. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Assignment 

It was a SQL and Excel assignment

Round 3 - Technical 

(1 Question)

  • Q1. SQL , python questions
Interview experience
5
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Approached by Company and was interviewed in Dec 2023. There were 2 interview rounds.

Round 1 - Group Discussion 

Discuss about the company to low level management to top level management and analysis the prior period statements

Round 2 - Case Study 

Study about the prior period statements of the company

Interview Preparation Tips

Topics to prepare for United Airlines Analyst interview:
  • Analyse the cost and sales
Interview preparation tips for other job seekers - Explore the cmpatetors in the same industry and analyze the all company's statements and identify the best company and we can change the statement and copy the bets companies statements to improve our company and the workers give some bonus for their works while the workers have an intrest work our company
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(2 Questions)

  • Q1. Why are you leaving your current job
  • Q2. Are you willing to relocate
Round 2 - One-on-one 

(1 Question)

  • Q1. Explain the types of basic joins
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
-
Result
Not Selected
Round 1 - Aptitude Test 

Python, sql were asked, 1st round was resume based round

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

I applied via Approached by Company and was interviewed in Oct 2024. There were 2 interview rounds.

Round 1 - Coding Test 

1 dsa question 1 sql and 18 mcq questions

Round 2 - One-on-one 

(2 Questions)

  • Q1. Lot of questions from resumes and projects
  • Q2. Easy DSA questions and oops questions

Interview Preparation Tips

Interview preparation tips for other job seekers - work on you communication skills

I applied via Company Website and was interviewed in Oct 2019. There were 6 interview rounds.

Interview Questionnaire 

4 Questions

  • Q1. How does IC engines work ?
  • Ans. 

    IC engines work by converting fuel into mechanical energy through combustion within the engine.

    • Fuel is mixed with air and ignited in the combustion chamber

    • The resulting explosion pushes a piston, which turns a crankshaft

    • The crankshaft converts the linear motion of the piston into rotational motion

    • The rotational motion is used to power the vehicle or machinery

    • Examples include gasoline engines, diesel engines, and natura

  • Answered by AI
  • Q2. How do you think aircraft engine works ?
  • Ans. 

    Aircraft engines work by sucking in air, compressing it, adding fuel, igniting it, and expelling the exhaust gases to create thrust.

    • Air is sucked in through the front of the engine by the fan blades

    • The compressor squeezes the air to increase its pressure

    • Fuel is added and ignited in the combustion chamber

    • The hot exhaust gases are expelled out the back of the engine, creating thrust

    • Different types of engines include turb

  • Answered by AI
  • Q3. Many behavioural question
  • Q4. Question on Excel

Interview Preparation Tips

Interview preparation tips for other job seekers - Just prepare in depth about your role, about the industry, be good with your communication
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
-

I applied via Naukri.com and was interviewed in Jan 2023. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - One-on-one 

(1 Question)

  • Q1. General profile screening, basic information
Round 3 - One-on-one 

(1 Question)

  • Q1. 1. Walk me through your Resume 2. Technical questions related to SQL 3. Behavioural questions
Round 4 - One-on-one 

(1 Question)

  • Q1. Behavioural questions on time management, stress management, 1 puzzle question

Interview Preparation Tips

Interview preparation tips for other job seekers - For this role key focus was on SQL & more of a behavioural
Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Mar 2023. There were 2 interview rounds.

Round 1 - One-on-one 

(1 Question)

  • Q1. Questions based on previous work experience and projects
Round 2 - Technical 

(1 Question)

  • Q1. SQL questions based on joins and window functions, data visualization, and case study
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
No response

I applied via Naukri.com and was interviewed in Jul 2024. There was 1 interview round.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Tell me about yourself?
  • Ans. 

    I am a dedicated and experienced professional with a strong background in management and a passion for driving team success.

    • Over 5 years of experience in leadership roles

    • Proven track record of improving team performance and achieving targets

    • Strong communication and problem-solving skills

    • Bachelor's degree in Business Administration from XYZ University

    • Previous experience in retail management at ABC Company

  • Answered by AI
  • Q2. What was roles and responsibilities in previous company?
  • Ans. 

    In my previous company, I was responsible for overseeing daily operations, managing a team, and ensuring targets were met.

    • Managed a team of employees and delegated tasks accordingly

    • Oversaw daily operations to ensure smooth functioning

    • Set and monitored targets for the team to achieve

    • Handled customer complaints and resolved issues efficiently

  • Answered by AI

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