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Lead Developer Fullstack Interview Questions

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23 lead developer fullstack interview questions shared by candidates

The challenge runs on CodeSignal, which has a layout similar to CodeSandbox but with an additional panel on the left-hand side for instructions. The task is to complete the functionality of a book app (think of it as your standard to-do app). Most of the React code is provided, except for the functionality for the "addBook" and "deleteBook" functions. Follow the user story, and you can't go wrong. Then, be prepared to cover the topics mentioned in the description. Even better, don't apply and save your energy for a company that has a clearer hiring process and respects candidates' time (cough, cough, Atlassian).
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Lead Fullstack Engineer

Interviewed at Agoda

3.9★
13 Mar 2024

The challenge runs on CodeSignal, which has a layout similar to CodeSandbox but with an additional panel on the left-hand side for instructions. The task is to complete the functionality of a book app (think of it as your standard to-do app). Most of the React code is provided, except for the functionality for the "addBook" and "deleteBook" functions. Follow the user story, and you can't go wrong. Then, be prepared to cover the topics mentioned in the description. Even better, don't apply and save your energy for a company that has a clearer hiring process and respects candidates' time (cough, cough, Atlassian).

1.Comparable vs Comparator 2.Questions of ConcurrentHashMap 3.Difference between Iterator and ListIterator 4.Immutability in Java 5.Java8 features 6.what is optional class 7.Transient,volatile Keyword use 8.What is functional Interface and why do we need it 9.Multithreading questions
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Technical Lead - I-Fullstack Java Position

Interviewed at CitiusTech

3.7★
5 Jan 2022

1.Comparable vs Comparator 2.Questions of ConcurrentHashMap 3.Difference between Iterator and ListIterator 4.Immutability in Java 5.Java8 features 6.what is optional class 7.Transient,volatile Keyword use 8.What is functional Interface and why do we need it 9.Multithreading questions

1) Can have 1 layer project if yes which 2)what authentication used if use google authentication in api 3) Architecture of youe currant project 4)Design patterns 5)Microservices 6)sql queries 7)solid principal 8)why used singltone desin patterninstant static
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Lead Fullstack .Net Developer

Interviewed at Icertis

3.5★
27 Sept 2025

1) Can have 1 layer project if yes which 2)what authentication used if use google authentication in api 3) Architecture of youe currant project 4)Design patterns 5)Microservices 6)sql queries 7)solid principal 8)why used singltone desin patterninstant static

Node js event loop, Corse issue and how can we resolve, Http method get, post, patch, put, delete differences, React virtual Dom, MySQL indexing, what is foreign key, primary key, it stash and Git cherry pick difference.
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Associate Lead Fullstack Engineer

Interviewed at Crownstack

4.3★
25 Jan 2025

Node js event loop, Corse issue and how can we resolve, Http method get, post, patch, put, delete differences, React virtual Dom, MySQL indexing, what is foreign key, primary key, it stash and Git cherry pick difference.

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