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Java Developer

IO Tech Solutions Limited
Hong Kong Island, Hong Kong
On-site

About this role

Hong Kong Island, Hong Kong

Java Developer

Job Description:

Key Responsibilities

  • Design, develop, and maintain full-stack web applications using Java (Spring Boot) and modern frontend technologies.

  • Build and consume RESTful APIs for seamless integration between frontend and backend systems.

  • Collaborate with UX/UI designers, product managers, and other developers to create responsive, scalable, and user-friendly applications.

  • Write clean, maintainable, and well-documented code following industry best practices.

  • Develop reusable components and libraries for use across multiple projects.

  • Perform unit testing, integration testing, and participate in code reviews.

  • Maintain and improve application performance, scalability, and security.

  • Troubleshoot and debug complex issues across the stack.

  • Participate in Agile/Scrum ceremonies and contribute to planning and estimation.

Required Skills & Qualifications:

  • Bachelors degree in Computer Science, Engineering, or a related field.

  • 3+ years of experience as a Full Stack Developer with a strong focus on Java backend.

  • Proficient in Java, Spring Boot, JPA/Hibernate, and REST API development.

  • Solid understanding of HTML5, CSS3, JavaScript, and modern JS frameworks (e.g., React, Angular, Vue.js)

  • Experience with RDBMS like MySQL, PostgreSQL, or Oracle.

  • Familiarity with version control tools (e.g., Git) and build tools (e.g., Maven, Gradle).

  • Understanding of software design patterns and OOP principles.

Required Skills

  • OOP

  • REST

  • Gradle

  • JPA

  • Vue.js

  • CSS3

  • Integration Testing

  • Design Patterns

  • Version Control

  • Unit Testing

  • Agile

  • Scalability

  • Angular

  • Web Applications

  • Hibernate

  • React

  • Maven

  • Reviews

  • Spring Boot

  • Components

  • Developers

  • HTML5

  • Scrum

  • PostgreSQL

  • Integration

  • Oracle

  • Computer Science

  • Security

  • Git

  • MySQL

  • Software

  • Testing

  • Java

  • Planning

  • Design

  • Engineering

  • JavaScript

  • Science

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