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Back End Developer Interview Questions
1,560 back end developer interview questions shared by candidates
¿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?
Me fale os principais conceitos de POO
perguntas normais de fit cultural e afins.
Una risoluzione, mediante algoritmo, di un calcolo all'interno di un array di numeri (non ricordo con precisione)
Back-end task through a hackathon with my team
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.
Scrivere un'applicazione springBoot live in condivisione schermo
'Icebreaker' - about myself, my experience, interests, etc. Coding questions - you are given some problem to solve, standard whiteboard thing.
write a function that gets employee role history and list of dates, and calculates what role an employee had per given set of dates.
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