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Role at a glance
You will
Design, develop, and deploy high-quality Java applications.
Work on REST APIs, Spring Boot, Hibernate for business-critical solutions.
Translate business requirements into efficient, maintainable, and testable code.
Experience
3–4 years
Education
Bachelor's degree
Must-have skills
AJAXCSSDesign PatternsGitHTMLHibernate
Work mode
Remote
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Job description
Location: Gurugram, HR, India Department: Other
Job Description
At RMgX Technologies, We are looking for driven professionals with strong hands-on Java expertise who can independently handle modules, mentor juniors, and actively contribute to building scalable solutions. At this level, you are expected to balance coding, ownership, and teamwork, while ensuring timely and quality delivery.
DUTIES AND RESPONSIBILITIES
Design, develop, and deploy high-quality Java applications.
Work on REST APIs, Spring Boot, Hibernate for business-critical solutions.
Translate business requirements into efficient, maintainable, and testable code.
Ensure performance, scalability, and security in application design.
Guide and mentor Associates (L1/L2) and interns in coding practices.
Contribute to system design discussions, code reviews, and architectural improvements.
Debug, troubleshoot, and optimize code for better performance.
Collaborate with cross-functional teams in Agile environment.
Qualifications
B.E/B.Tech/MCA in Computer Science, IT, or related fields.
WORK EXPERIENCE
3–4 years of Java backend development experience.
Proven experience in designing and developing scalable APIs and services.
Hands-on experience with Spring Framework (Spring MVC, Spring Security, Spring Boot).
Exposure to front-end technologies (HTML, CSS, JavaScript, jQuery) for integrations.
Experience in code reviews, performance optimisation, and mentoring juniors.
SKILLS, ABILITIES & KNOWLEDGE
Strong experience with Core Java (Java 8 and above) and OOPS concepts.
Hands-on expertise in Spring Framework, Spring Boot, Hibernate, REST APIs.
Knowledge of multithreading, annotations, templates, and design patterns.
Proficiency in RDBMS concepts (MySQL/Oracle).
Exposure to HTML, CSS, JavaScript, jQuery, Ajax for front-end integration.
Experience with Maven, Git, JUnit, logging frameworks (Slf4j/Log4j).
Problem-solving mindset with ability to take ownership of modules.
Good communication and leadership skills with mentoring capabilities.
Familiarity with Spring AI is a desirable/added advantage.
Additional Information
Flexible working hours
Health Insurance and Personal Accident Insurance
BYOD (Bring Your Own Device) Benefit
Laptop Buyback Scheme
Company Description
RMgX Technologies is a Digital Product Engineering firm focused on AI-powered product development, digital transformation, and complex systems integration. We are seeking a Data Specialist to play a key role in a mission-critical project. The role demands deep expertise in databases, ETL processes, and data workflows, with a strong sense of ownership and structured way of working. You will play a critical role in ensuring reliable, accurate, and scalable data systems that power the products and systems developed by RMgX
Key skills
Required
AJAXCSSDesign PatternsGitHTMLHibernateJUnitJavaJavaScriptMVCMySQLObject-Oriented Programming (OOP)REST API DevelopmentSpringSpring Boot
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?
