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Job description
Role :
Java Backend Sr Developer
Description:
Strong experience in API design, problem-solving, and troubleshooting.
Experience with cryptography concepts and considerations.
Hands-on experience with Java and Spring development, as well as CI/CD and Release Engineering practices.
Strong mentoring skills with the ability to help junior engineers resolve technical issues and challenges.
Knowledge of cloud-native solutions, containers, and microservices.
Experience building FinTech solutions with a strong understanding of Domain-Driven Design (DDD) and 12-factor application principles.
Experience as a full-stack developer with strong understanding of backend technologies (Java, Spring ecosystem) and frontend technologies (Angular, JavaScript).
Ability to collaborate closely with Architects and Product teams to shape the technical roadmap and product vision.
Proven experience leading technical initiatives across multiple teams and influencing architectural and engineering decisions without direct managerial authority.
Good understanding of Agile and SAFe frameworks, with the ability to guide teams in planning and prioritizing stories and features during iterations and releases.
Hands-on experience leveraging AI-assisted development tools (e.g., GitHub Copilot, Microsoft 365 Copilot, Claude, or similar) to accelerate software development, testing, troubleshooting, and technical documentation.
Understanding of AI/LLM concepts, prompt engineering, and responsible AI practices, with the ability to identify and drive practical use cases within the software development lifecycle.
Experience evaluating and integrating AI-powered developer productivity solutions
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?
