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Role at a glance
Experience
8+ years
Must-have skills
CassandraDesign PatternsGrafanaJUnitJavaKafka
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Job description
Description: We are seeking a highly experienced Senior Java Engineer with 8+ years of hands-on expertise to architect, design, and lead development of scalable enterprise applications. The ideal candidate will have deep proficiency in modern Java technologies, distributed systems, and Microservices, with a strong background in Supply Chain Order Management domain. The ideal candidate is a self-starter, who can learn on the job. They exhibit situational leadership, work collaboratively within a team, and motivate others to achieve business objectives. They should possess excellent analytical skills along with the ability to translate business requirements and opportunities into clear, precise and easy-to-read technical and functional specifications. They should have excellent verbal and written communication skills to collaborate effectively with both business stakeholders and technical teams. Must Have Skills:
Expert in Java 17+
Extensive experience implementing Design Patterns, SOLID Principles and various Microservice Patterns
Strong experience with Spring Boot and Microservice Architecture
Strong experience with Spring WebFlux to build synchronous and asynchronous Microservices
Proficient in Kafka
Hands-on with Cassandra and Solr
Experience with Oracle or MySQL
1+ years of hands-on experience with GitHub Copilot, OpenAI Codex, or similar AI-assisted software development tools to enhance developer productivity in enterprise software development
Experience with CI (Continuous Integration) methodologies and Tools
Hands-on experience with AppD, ELK, Grafana - including alerts and notification setup
This guide is for Indian job seekers preparing for Java backend roles, from freshers facing campus and first-job interviews to experienced developers moving into senior positions at product companies and IT services firms. It covers what interviewers ask most in 2025 and 2026 on Java 17 and 21 and Spring Boot 3: OOP, collections, equals and hashCode, streams, exceptions, concurrency and JVM memory, then dependency injection, auto-configuration, REST controllers, validation, JPA and Hibernate, security, microservices and testing. Questions are grouped as easy, medium and hard. Read each answer, compile the code yourself and practise explaining it aloud.
Questions you may be asked
What are the four pillars of OOP, with a Java example of each?
What is the difference between an abstract class and an interface in Java?
What is the difference between method overloading and method overriding?
What is the difference between == and equals() in Java?
