The tech questions ranged from SOLID, to OOP, PHP and Mysql
Back End Engineer Interview Questions
1,086 back end engineer interview questions shared by candidates
Que es Java? Que es una clase? Que es una interfaz?
how did you identify a risk and how did you manage to mitigate it.
Back-end task through a hackathon with my team
Project architecture,bean scopes,java 11 features, sql queries like second highest salary
Scrivere un'applicazione springBoot live in condivisione schermo
¿Qué es la programación orientada a objetos (OOP) en Java? ¿Qué diferencias hay entre == y .equals() en Java? ¿Qué es una clase interna o anónima en Java? ¿Qué son las expresiones lambda en Java? Da un ejemplo. ¿Qué es una interfaz funcional? ¿Qué paradigmas incorpora Java desde la versión 8? ¿Qué patrones de diseño has utilizado?
After submitting the assessment, the interviewers reviewed my implementation in detail. One of the main things they asked me about was the design decisions I made, particularly around: How I handled authentication and authorization, and why I chose a specific approach (e.g., JWT vs. session-based, role hierarchy). My microservice setup, especially how I structured inter-service communication and ensured decoupling. Security considerations, such as how I protected file uploads and prevented common vulnerabilities. They were especially interested in understanding my reasoning behind certain architectural choices and how I ensured scalability and maintainability.
What are the key considerations when implementing custom routing logic in Elasticsearch to control how data is distributed across shards and nodes? (related to my side project)
Background, prior experience, questions on resume, etc.
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