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I applied via Naukri.com and was interviewed in Jun 2023. There were 4 interview rounds.
The current project architecture includes main components, security implementation, performance achievement, CI/CD pipeline, and application deployment on prod.
Main components used: microservices architecture with Docker containers, Kubernetes for orchestration
Security implemented: TLS encryption, OAuth2 for authentication, role-based access control
Performance achieved: load balancing, caching, database optimization
CI/...
Design a scalable Java app for reading millions of records from a DB efficiently and securely.
Use connection pooling to handle multiple requests efficiently.
Implement caching mechanisms to reduce the load on the database.
Optimize SQL queries by using indexes, avoiding unnecessary joins, and limiting the data retrieved.
Implement security measures such as encryption, input validation, and role-based access control.
Use lo...
I applied via Naukri.com and was interviewed before Jul 2023. There were 4 interview rounds.
Data structures, Algorithms, Basic string manipulation
Problem statements to solve
I applied via LinkedIn and was interviewed before Nov 2022. There were 4 interview rounds.
They ask to solve 2 coding questions mainly on strings and arrays
Numino Labs interview questions for popular designations
Top trending discussions
I applied via Company Website and was interviewed before Dec 2020. There were 4 interview rounds.
I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.
I applied via Campus Placement and was interviewed before Feb 2021. There were 3 interview rounds.
Aptitude round consists Logical reasoning, General Aptitude, Grammar related questions etc. All are moderate level questions.
OOPs is a programming paradigm that uses objects to represent real-world entities. Java is an OOPs language.
OOPs stands for Object-Oriented Programming System
Java is a class-based OOPs language
Encapsulation, Inheritance, Polymorphism, and Abstraction are the four pillars of OOPs
Objects have state and behavior
Java supports interfaces, which allow for multiple inheritance
Example: A car can be represented as an object wit...
Java solves machine dependency by using bytecode and virtual machine.
Java code is compiled into bytecode which is platform-independent
The bytecode is executed by the Java Virtual Machine (JVM) which is platform-specific
JVM translates bytecode into machine code for the specific platform
This allows Java code to run on any platform with a JVM installed
Example: A Java program compiled on Windows can run on Linux or Mac as
I applied via Campus Placement and was interviewed before May 2021. There were 2 interview rounds.
Numerical ability and logical reasoning followed by some coding mcqs
Printing 1 to 100 without for loop
Use recursion to print numbers from 1 to 99
Print 100 outside the recursion
Use a base case to stop recursion at 100
I applied via Campus Placement and was interviewed before Jun 2021. There were 2 interview rounds.
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