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Blinkit Software Developer Interview Questions, Process, and Tips
Top Blinkit Software Developer Interview Questions and Answers
- Q1. System Design Question Design a reward system from scratch with specific requirements.
- Q2. Traffic Lights Given the frequency of traffic lights' states determine if there will ever be an invalid state for the traffic signal and the condition of the invalid stat ...read more
- Q3. System Design Question Things that could have been done better in the problem given in the first round.
4 Blinkit Software Developer Interview Experiences
7 questions found
Anonymous
I applied via Referral and was interviewed in Apr 2024.
2 Interview Rounds
Technical Round (2 Questions)
- Q1. Code postorder traversal without using recursion. View Answers (1)
- Q2. Leetcode Problem 1626 - Best team with no conflicts. Add Answer
System Design Round (2 Questions)
- Q1. Design whatsapp with one to one, group messaging and read receipts functionalities. Design the database. View Answers (1)
- Q2. Questions on dbms, cn and os. Add Answer
Skills evaluated in this interview
1 Interview Round
Coding Test Round
3D DP, DP ON BST, Focus on highlevel dp and system design
CodingNinjas
I was interviewed in May 2022.
3 Interview Rounds
Assignment Round (1 Question)
Round duration - 120 minutes
Round difficulty - Medium
- Q1. System Design Question
Design a reward system from scratch with specific requirements.
View Answers (1)
Video Call Round (1 Question)
Round duration - 120 minutes
Round difficulty - Medium
- Discussion on the first round's assignment
- Was asked about adding unit tests in the assignment
- Fundamental questions on the approach used for the assignment.
- Q1. System Design Question
Things that could have been done better in the problem given in the first round.
View Answers (1)
Video Call Round (1 Question)
Round duration - 90 minutes
Round difficulty - Medium
Round was with tech lead. Was briefly asked about the problem I solved in the first round. Then I was asked to solve 1 medium level DSA based question. Some discussion on culture fit was also done.
- Q1. Traffic Lights Given the frequency of traffic lights' states determine if there will ever be an invalid state for the traffic signal and the condition of the in...read more View Answers (1)
Interview Preparation Tips
Tip 1 : Have clear web dev fundamentals
Tip 2 : Have at least 1 good non-trivial project
Tip 3 : Practice basic DSA questions.
Tip 1 : For past experience (internship/full time), explain the impact you created instead of only mentioning what you did.
Tip 2 : Don't exceed 1 page.
Tip 3 : Get it cross-checked for mistakes through multiple sources.
Tip 4 : Only put in stuff that you are confident in being able to explain.
Skills evaluated in this interview
Pepcoding
Blinkit interview questions for designations
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I applied via Approached by Company and was interviewed in Sep 2024.
1 Interview Round
One-on-one Round (2 Questions)
- Q1. Tree question dsa Add Answer
- Q2. Fibonacci sequence question Add Answer
Interview Preparation Tips
Round 2 - Technical: The second round focused more on system design and APIs. I was asked to explain the difference between PUT and POST in REST APIs, design the database schema of one of my projects, and discuss inheritance and access modifiers (public, private, protected). Git commands were also covered. A scenario-based question was presented: "How would you send an email to a million users, ensuring that if an email fails, the system retries sending it three times? If the retries fail, the system should move on to the next email. Additionally, if the system crashes after sending 1000-2000 emails, how would you ensure that upon restart, it resumes from where it left off without resending emails?"
The HR was friendly, clearly explained the next steps, and provided constructive feedback. Overall, it was a positive interview experience.
Chirag Varshney
1 Interview Round
Technical Round (4 Questions)
- Q1. Explain Deadlock? Add Answer
- Q2. Explain Red Black Tree? Add Answer
- Q3. Find local minima in a 1-D array? Add Answer
- Q4. Find local minima in 2-D array? Add Answer
I applied via campus placement at Netaji Subhas Institute of Technology (NSIT) and was interviewed in Jul 2024.
4 Interview Rounds
Coding Test Round
It was a coding round where i need to solve 3 DSA Questions in 1.5 hour
Technical Round (2 Questions)
- Q1. This is Technical round where i was asked to implement the Two Question of Dsa one is bases on greedy and another is dp , another one is leetcode hard (finding ...read more Add Answer
- Q2. Greedy Q was direct i don't remember clearly. I was selected for the 2nd round Add Answer
One-on-one Round (1 Question)
- Q1. It was also a technical round but bases on LLD problem statement. I was given a problem statement to design a society security system and the they need psudo co...read more Add Answer
HR Round (1 Question)
- Q1. I was not selected for 4th round but heard that there were Q on cs fundamentals. Add Answer
2 Interview Rounds
Technical Round (2 Questions)
- Q1. The question was about Nodejs Add Answer
- Q2. The question was to build a linked list in Nodejs Add Answer
Technical Round (2 Questions)
- Q1. The first question was related to DSA Add Answer
- Q2. The question was related to SQL Add Answer
1 Interview Round
One-on-one Round (2 Questions)
- Q1. It was lld question to design a cab booking system. Add Answer
- Q2. Tell me about yourself Add Answer
Aniket Dhamal
Selected
I applied via Newspaper Ad and was interviewed in Jul 2024.
1 Interview Round
One-on-one Round (2 Questions)
- Q1. How was your previous organization View Answers (1)
- Q2. Please create timer using react View Answers (1)
Skills evaluated in this interview
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