We are seeking an experienced Core Java Developer with 7+ years of hands-on experience in designing, developing, and maintaining enterprise-grade applications. The ideal candidate will have strong expertise in Core Java, multithreading, collections, data structures, and backend development, along with experience in building scalable and high-performance systems.

Key Responsibilities

Design, develop, and maintain robust Java applications.

Write clean, efficient, and reusable code following best practices.

Develop and optimize backend services and APIs.

Perform code reviews, debugging, and performance tuning.

Collaborate with cross-functional teams to deliver high-quality solutions.

Implement scalable and secure application architectures.

Participate in the complete Software Development Life Cycle (SDLC).

Required Skills

7+ years of experience in Core Java development.

Strong knowledge of Java 8/11/17, OOP concepts, Collections, Generics, and Exception Handling.

Hands-on experience with Multithreading, Concurrency,



and Memory Management.

Robust understanding of Data Structures and Algorithms.

Experience with JDBC, SQL, and relational databases such as Oracle, MySQL, or PostgreSQL.

Knowledge of Design Patterns and software engineering best practices.

Experience with build tools such as Maven or Gradle.

Proficiency with Git and version control systems.

Strong problem-solving and analytical skills.

Preferred Skills

Experience with Spring Boot, RESTful APIs, and Microservices.

Knowledge of messaging systems such as Kafka or RabbitMQ.

Exposure to cloud platforms (AWS, Azure, or GCP).

Experience working in Agile/Scrum environments.

Familiarity with CI/CD tools such as Jenkins.

Qualifications

Bachelor's degree in Computer Science, Information Technology, or a related field.

Excellent communication and stakeholder management skills.

📌 Core Java Developer (Sydney)
🏢 N2S.Global
📍 Sydney