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PwC Blockchain Developer Interview Questions, Process, and Tips

Updated 25 Jun 2024

PwC Blockchain Developer Interview Experiences

1 interview found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

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

(5 Questions)

  • Q1. Complete lifecycle for a blockchain transaction?
  • Ans. 

    The complete lifecycle for a blockchain transaction involves creation, validation, broadcast, inclusion in a block, and confirmation.

    • Creation of transaction by sender

    • Validation of transaction by network nodes

    • Broadcasting of transaction to network

    • Inclusion of transaction in a block by miners

    • Confirmation of transaction by consensus of network nodes

  • Answered by AI
  • Q2. Can we publish our own cusotom blockchain if yes what are the steps for that??
  • Ans. 

    Yes, you can publish your own custom blockchain by following these steps.

    • Define the purpose and requirements of your custom blockchain

    • Choose a consensus mechanism (e.g. Proof of Work, Proof of Stake)

    • Select a suitable blockchain platform (e.g. Ethereum, Hyperledger)

    • Develop and deploy the custom blockchain network

    • Test the network for functionality and security

    • Launch and promote your custom blockchain to attract users and

  • Answered by AI
  • Q3. How we estimate gas for a transaction?
  • Ans. 

    Gas for a transaction is estimated based on the computational resources required to execute the transaction on the blockchain network.

    • Gas is a unit used to measure the computational work required to process transactions on the blockchain.

    • Gas cost is determined by the complexity of the transaction and the amount of data being processed.

    • Developers can estimate gas by using tools like the Ethereum Gas Station or by simula...

  • Answered by AI
  • Q4. Difference between proof of work and proof of stack?
  • Ans. 

    Proof of work requires miners to solve complex mathematical puzzles to validate transactions, while proof of stake selects validators based on the amount of cryptocurrency they hold.

    • Proof of work involves miners solving complex mathematical puzzles to validate transactions

    • Proof of stake selects validators based on the amount of cryptocurrency they hold

    • Proof of work is energy-intensive and requires significant computati...

  • Answered by AI
  • Q5. Canwe inharit class in solidity?
  • Ans. 

    Yes, inheritance is possible in Solidity.

    • Solidity supports inheritance, allowing one contract to inherit properties and methods from another.

    • Inheritance is achieved using the 'is' keyword followed by the name of the base contract.

    • Child contracts can access the functions and variables of the parent contract.

    • Multiple inheritance is also supported in Solidity.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Nice to meet him, he has been working with blockchain for pwc for the past 8 years. It's a pleasure to share knoledge with him.

Skills evaluated in this interview

Interview questions from similar companies

Interview Questionnaire 

1 Question

  • Q1. Java basics

Interview Questionnaire 

1 Question

  • Q1. Questions regarding design patterns, Java Concepts, Questions on Hibernate and Springboot, My previous company work.

Interview Questionnaire 

1 Question

  • Q1. Scenario based question on Relationship, Role, OWD,

I applied via Campus Placement and was interviewed before Nov 2020. There was 1 interview round.

Interview Questionnaire 

4 Questions

  • Q1. SQL Queries
  • Q2. OOPS Concepts
  • Q3. Program to calculate factorial
  • Ans. 

    Program to calculate factorial

    • Use a loop to multiply the numbers from 1 to n

    • Handle edge cases like 0 and negative numbers

    • Use recursion for a more elegant solution

  • Answered by AI
  • Q4. Projects- Major , Minor , Internship

Interview Preparation Tips

Interview preparation tips for other job seekers - Be confident, should have good communication skills.

Skills evaluated in this interview

I applied via Recruitment Consulltant and was interviewed before Jan 2021. There were 2 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 - Coding Test 

Python coding test

Interview Preparation Tips

Topics to prepare for Deloitte Software Developer interview:
  • Python
Interview preparation tips for other job seekers - always practice coding
ex: python, java etc

I applied via Recruitment Consulltant and was interviewed before Feb 2021. There were 2 interview rounds.

Round 1 - Assignment 

Cofing round on hackerearth

Round 2 - Case Study 

Case study with algo and db design

Interview Preparation Tips

Interview preparation tips for other job seekers - Great technology, poor worklife balance

Interview Questionnaire 

1 Question

  • Q1. Reverse a LL, Git use cases

Interview Preparation Tips

Interview preparation tips for other job seekers - Just be yourself

I applied via Naukri.com and was interviewed in Nov 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. Spring, Hibernate and java and angular questions
  • Q2. What is REST API, Difference between Spring MVC and Spring Boot, Abstract class, interfaces etc
  • Ans. 

    Answering questions related to REST API, Spring MVC, Spring Boot, abstract class, and interfaces.

    • REST API is a set of rules for building web services. It uses HTTP methods to access resources.

    • Spring MVC is a framework for building web applications using the Model-View-Controller architecture.

    • Spring Boot is a framework for building standalone, production-grade Spring-based applications.

    • An abstract class is a class that ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Be prepared well on what you have mentioned on your resume.

I applied via Naukri.com and was interviewed in Apr 2020. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. What synchronous and asynchronous means??
  • Ans. 

    Synchronous means happening at the same time, while asynchronous means not happening at the same time.

    • Synchronous operations occur in real-time, while asynchronous operations can be delayed or queued.

    • Synchronous operations block the program until they are completed, while asynchronous operations allow the program to continue running.

    • Examples of synchronous operations include function calls and loops, while examples of ...

  • Answered by AI
  • Q2. When to use CTE and temp table.
  • Ans. 

    CTE and temp table usage in SQL

    • Use CTE for recursive queries and complex subqueries

    • Use temp tables for large data sets and complex queries

    • CTE is more efficient for small data sets

    • Temp tables can be indexed for faster performance

    • Consider the scope and lifespan of the data when choosing between CTE and temp table

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Understand question first and answer.

PwC Interview FAQs

How many rounds are there in PwC Blockchain Developer interview?
PwC interview process usually has 2 rounds. The most common rounds in the PwC interview process are Resume Shortlist and Technical.
What are the top questions asked in PwC Blockchain Developer interview?

Some of the top questions asked at the PwC Blockchain Developer interview -

  1. can we publish our own cusotom blockchain if yes what are the steps for tha...read more
  2. difference between proof of work and proof of sta...read more
  3. how we estimate gas for a transacti...read more

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PwC Blockchain Developer Interview Process

based on 1 interview

Interview experience

4
  
Good
View more

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