Half-hour phone interview - was asked three questions: 1. What is the difference between thread and process. 2. What is LRU 3. What is a virtual function?
Backend Developer Interview Questions
9,198 backend developer interview questions shared by candidates
Be ready to describe the architecture of systems you've worked on, including: Tech stack: Languages, frameworks, databases, cloud services (e.g., Java, Spring Boot, Redis, Kafka, AWS, etc.). System design principles: Microservices, monolith, event-driven, etc. Scalability & performance: How you handled load, caching strategies, and optimizations. Security: Authentication, authorization, encryption, and data protection. Reliability & availability: HA (High Availability), failover mechanisms, monitoring/logging (Prometheus, Grafana, ELK, etc.).
Fierst one Code question very simple and the second one solveing a big problem and write code that implemented that
resolve JS code problem. explain a project i do
1. Write Valid Parentheses check code.
Questions were asked on Collections, lambda expressions, functional interfaces, oops concepts, springboot, rest services, annotations, sql queries and so on One of the three puzzles asked was There is pond which has lotus flowers in it. Each day the flowers count gets doubled. If the pond get full in 20 days, how many days will it take to fill half of the pond?
Tipo de arquitecturas con las que haz trabajado.
Why should we hire you rather than your peers.
1. What data structures do you know? 2. Microservice vs. monolith - which one is better? 3. How can services communicate with each other? 4. What is your favourite design pattern and why?
Tell me about your recent projects?
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