My interview was on 5G technologies, deign methodology and my previous experience.
Technical Lead Interview Questions
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General questions about software engineering & architecture focused on hybrid apps.
1) Design custom thread pool 2) Design sensor IOT system 3) treeset implementation 4) Kafka streams
How to disable Lazy Loading, Throttling, Transaction in WCF, Difference between Select and where in Linq, Design Railway reservation system by extending Current Airline Design.
When you stuck then what do you do?
OO Design and Design Patterm
Technologies you worked on
can protocol
1. Technical (1 hour): It was taken by InterviewVector - Questions on resume (10 min) - Algorithm question on nested hashmap. I need to first explain the approach then write code (30 min) - Database question on indexing and also i need to write two basic queries for given problem (20 min). 2. Technical (1 hour): - Gave few database questions for which i have to write query using (group by, having, subquery) concepts. - Shared UI wireframe on which multiple sections & tabs are present and asked to design an api to post the data from backend to frontend. - Followup question on same problem: asked to do database design, how to scale this API, what approaches we can adopt if its read/write heavy. 3. Hiring Manager (1.5 - 2 hour): - Asked to pick 1 project of my choice and did a deep dive on that. Asked about my design choices, what are its shortcomings, what more can be done to make it more scalable. - Asked some behavarial questions around conflict resolution with team, task estimation & delivery etc. - Give me 5 things you can improve in your current organisation backend architecture/system. Result: Haven't heard back so i assume i got rejected. “No one has ever become poor from giving." - Anne Frank
Networking/Firewalls/Protocols Experience based, Programming LeetCode helps. Ruby on Rails is a plus ;p Databases.
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