Senior Java Developer

N2P Systems; Navi Mumbai; Hybrid; INR 1,200,000 - 2,400,000; Full time

Job summary

N2P Systems in Navi Mumbai invites a Senior Java Full Stack Developer to design, develop, and maintain enterprise-grade applications using Core Java, Spring MVC, Hibernate, REST APIs, Kafka, and React JS. The role requires strong analytical and problem-solving abilities, and hands-on experience with modern web technologies in an Agile setup.

You will engage in designing, developing, optimizing, and supporting mission-critical business applications, working closely with cross-functional teams to

Qualifications

• Strong hands-on experience in Core Java development.
• Ability to independently solve complex coding and algorithmic problems.
• Deep understanding of: String Handling & Immutability; Collection Framework; Concurrency & multi-threading; OOP; Exception Handling; JVM Internals; Design Patterns.
• Backend technologies include Spring MVC, Hibernate/JPA, REST APIs, Kafka, Oracle database, SQL; performance tuning.
• Frontend tech includes React JS, JavaScript, HTML5, CSS3.

Responsibilities

• Design, develop, optimize, and support enterprise-grade applications.
• Collaborate with cross-functional teams in an Agile environment.
• Deliver robust, scalable software with focus on quality and performance.

Skills

Core Java

Problem solving

Analytical thinking

OOP

Design patterns

Tools

Spring MVC

Hibernate/JPA

REST API Development

Kafka

Oracle Database

SQL

React JS

JavaScript

HTML5

CSS3

Spring Boot

Docker

Kubernetes

Job description

Senior Java Full Stack Developer

with strong expertise in Core Java, enterprise application development, and modern web technologies. The ideal candidate should possess exceptional analytical and problem-solving abilities, demonstrate strong coding proficiency, and have extensive hands‑on experience developing and maintaining enterprise-grade applications using Spring MVC, Hibernate, Oracle, Kafka, and React JS.

The successful candidate will be responsible for designing, developing, optimizing, and supporting mission‑critical business applications while collaborating with cross-functional teams in a fast‑paced Agile environment .

Mandatory Technical Skills

Core Java Expertise

• Strong hands‑on experience in Core Java development.
• Ability to independently solve complex coding and algorithmic problems.
• Deep understanding of:
• String Handling & Immutability
• Collection Framework
• Concurrency & multi-threading
• Object-Oriented Programming (OOP)
• Exception Handling
• JVM Internals
• Design Patterns

Backend Development

• Spring MVC
• Hibernate / JPA
• REST API Development
• Apache Kafka
• Oracle Database
• SQL, Query Optimization, and Database Performance Tuning

Frontend Development

• React JS
• JavaScript (ES6+)
• HTML5
• CSS3

Essential Competencies

• Strong analytical thinking and problem‑solving capabilities.
• Ability to explain technical decisions, trade‑offs, and implementation approaches.
• Experience in application debugging, code optimization, and performance tuning.
• Strong communication and stakeholder interaction skills.

Good-to-Have Skills

• Spring Boot
• Microservices Architecture
• AWS Cloud Services
• CI/CD Tools and DevOps Practices
• Agile/Scrum Methodologies
• Containerization technologies such as Docker and Kubernetes