Full Stack Interview - FAQ & Answers

Company name: Live Vectors Solutions Pvt. Ltd. 100% Subsidiary of GSN Solution, Pune Position: Sr. Java Full Stack Developer Technical-1 How Angular component being shared using parent & child? Angular UI scenario on data shared, Where do you put event emitters call? How do you fix CSS related issue if something problem in mobile view? Do you know what is bootstrap.css do insight that it will provide responsive UI out of the box? How do you debug CSS/HTML related problem in angular application? What is IaaS and PaaS in cloud, Explain in details? SQL query example: A table with 3 columns and 2 rows B table with 2 columns and 3 rows What will be output of below query and explain it.. SELECT * FROM A, B What is indexing database, explain in internally? What is View and Materialized view, Its difference in details? What is NODE.JS? Have you worked in NestJS (Typescript) based framework? Explain Mongo Db, What is No-SQL? Why do you want to leave current organization? Technical-2 What is...

Company name: Hexaware Technologies, Mumbai/Pune Position: Lead (Sr. Java Full Stack Dev) Total 3 rounds: Technical-1 =>  Online coding test and MCQ on below topics: Core Java Hibernate & JPA Microservices Spring Boot Oracle database Technical-2 (Technical Manager) Explain project architecture & technologies used? Why spring boot is being used rapidly? Spring v/s Spring boot framework? Your current project deployment process, If its Microservices then explain its CI/CD process? How do you scale up and down your application if its support microservice architecture? If you worked on Jenkins then explain it job/pipeline? What is angular & Its all building blocks? Dependency injection? Write a SQL script to find 10th highest salary from employee table? Write a Java program to sort custom object employee class (id, first name, last name etc.) based on first name ascending? Why do you want to leave current organization?

Company name: Decos, Pune Position: Lead (Sr. Java Full Stack Dev) Technical-1 Explain Entity framework? What all way we can implement entity framework? Authentication and Authorization? How do you secured your RESTApi endpoints? What all approach you will take to track slow running application from end to end, Explain step by step? What is index in database, different type of indexes?

Company name: Ernst & Young (EY) Position: Lead (Sr. Java Full Stack Dev) Technical-1 Write a program to add find palindrone string from an arraylist of string and if found create new list e.g.: Input List [abcd, dcba, lss, lsrt, ssl ] Monolithic arch? Explain microservice architecture? Difference between Application and Applet? Azure CI/CD pipeline? Current Project architecture and deployment techniques? Docker & container? Manager round How do you deal the difficult customer with adhoc requirement? How will you handle pressure situation within team? All achievements in IT career? Anything you have learned during COVID situation last year? What is your interest area, if you get selected at EY? HR round: Basic about family members Location constraint Life style in EY Salary discussion

Company name: Deutsche Bank, Pune Position: AVP (Java Full Stack Dev) Hacker earth portal online coding test: The summary of your test is as follows: SQL questions Total number of questions: 1 EASY: Create table and fetch data from two table using join and apply aggregation functions Java Programming questions Total number of questions: 1 MEDIUM: Print value of house next to each other program. Ref Link: https://medium.com/outco/how-to-solve-the-house-robber-problem-f3535ebaef1b HTML/CSS/Frontend questions Total number of questions: 1 MEDIUM: Take two input box as Column and Row along with button in HTML/CSS, After click on button create table run time based on input values eg.: 5 rows and 2 columns then table should show 5*2 Multiple Choice questions Total number of questions: 15 EASY: Mainly Core java, spring and hibernate questions

Company name: Volante, Pune Position: Java Team Lead Telephonic Interview Immutable class Singleton pattern RestAPI principle SOAP v/s REST API Hashmap collection internally working Collections - In which scenario which one you will use? Spring boot - actutor Mock Rest api RestApi version control - Spring boot Design pattern SOLID principle Microservices advantages Spring boot advantages Mongo Db Java-8 features (Stream API) One scenario based question: You are dealing with CSV huge file, e.g EmpID, EmpName, EmpDepartmentName Which collections API u will use and why? I want to print output in form of list with group by EmpDepartmentName Explain step by step implementation with syntax.

Company name: CAPCO, Mumbai/Pune Position: Java Full Stack Developer There are below rounds of interview. L1- Technical L2- Technical L3- Technical L4- Technical Manager HR Interview was conducted on Microsoft Teams. Job Description: Key skills- Hands-on with 8+ years’ experience in designing & building distributed transactional systems. Excellent working knowledge of Java programming & Middleware (Messaging, Caching). --> IBM Web MQ , Hibernate(caching), Reddis/Memcached, Hashtable Sound understanding of design patterns, system resiliency, observability, scalability and performance. --> Singleton(Multiple env), Adapter stratergly, Observable, Builder, IOC, Dependency Injection, Inner class, Understanding of Cloud-based application development preferably using Microsoft Azure Cloud. --> AWS lamda Understanding of Databases (NoSQL / document store, RDBMS). Experience of Agile development & DevOps practices. Experience in delivering Securities processing systems and ...

Company name: Fiserv, Pune Position: Java Full Stack Developer Interview Applied via recruiter, There was total 3 round. 1. Meet Video call interview 2. Manager round 3. HR round Many questions on software design patterns, java, spring boot, current project & technical stack have you used. Interview Questions Java-8 features & what all u have used? Dimond problem removal steps in java-8? Comparator and comparable Inversion of control in Spring Spring boot-> actuator What spring boot provide and why its getting much usage?   Answer Question AOT in angular Idempotent in rest API Lazy loading in angular   Answer Question Coding Test: ** Using normal loops not to use any collections classes Array-1 [2,3,7] Array-2 [4,5,8] Final Output as below: [2,3,4,5,7,8]   Answer Question Code review best practices Slowness in your application, what's your approach Security in your current application, Explain end to end Solid principal Design pattern (Factory Pa...

Company name: Heady Technologies, Mumbai (Vikroli) Position: Senior Backend Engineer Interview Total 5 round as below 1. Introduction call -> They will ask about your current project and what all technical stack using.? 2. Coding Test -> Database design and small program to write on JavaScript. 3. Technical Interview -> Questions on technologies your applying (e.g. Node Js, MySQL RestAPI etc.) 4. Manager round 5. HR round Overall experience was good, exchanges good knowledge from both the side. Interview Questions Q. 1 Coding Test: Platform used for coding test: https://codeinterview.io/ Ryan Dahls github url is https://github.com/ry . Github provides information about his public commits in JSON format at https://api.github.com/users/ry/events/public .  In the JSON data there is an attribute called "type" which denotes what kind of commit it was.  Let's say that we give following score to Ryan Dahl based on the "type" of the commit IssuesEvent = 7 Issue...

Company name: AppDirect, Pune Position: Senior Staff Full Stack Engineer Interview There were total 3 rounds 1) Hiring Manager Round 2) Pair Programming 3) Technical Interview Overall interview process was ok. 1) Hiring Manger Round More of the current project related questions, What exactly the process in company? Day to Day work? Exposure to what all technology stack.? 2) Pair Programming Total 5 questions test on Hired portal based on String manipulations mostly like Reverse the string, append string reverse word in string like wise. 3) Technical Interview Scenario based and one coding question to solve frequency count of given word in list Interview Questions Round - 1 Given a text, extract the frequency of each word, and produce an output sorted by applying the following conditions:   a. descending order of frequency   b. ascending alphabetical order, in case two or more words have the same frequency (clash) Ex. class java set map java object java class object list Output...