Java Software Engineer

Job Title: Senior Full Stack Java Developer

Location: Muscat, Oman (Onsite)

Employment Type: Long-Term Contract

About the Role

We are seeking an experienced Senior Full Stack Java Developer to join our team on a long-term contract in Muscat, Oman. The ideal candidate will have strong expertise in enterprise Java development, modern front-end technologies, and experience building scalable, secure, and high-performance web applications. You will work closely with architects, business analysts, QA teams, and stakeholders to design, develop, test, and deploy enterprise-grade applications.

Key Responsibilities

• Design, develop, test, and maintain enterprise web applications using Java and modern front-end technologies.
• Develop scalable backend services using Spring Framework, Spring MVC, and Spring Boot.
• Build responsive and interactive user interfaces using Angular 20, HTML5, CSS3, and Thymeleaf.
• Develop and maintain applications using the Liferay framework and portal technologies.
• Design, develop, and optimize Oracle 19c database objects including SQL queries, stored procedures, functions, and performance tuning.
• Integrate applications with internal and external systems using RESTful APIs and web services.
• Participate in application architecture, technical design discussions, and code reviews.
• Troubleshoot production issues and provide timely bug fixes and performance improvements.
• Collaborate with cross-functional teams throughout the software development lifecycle.
• Follow coding standards, security best practices, and software development methodologies.
• Prepare technical documentation and support deployment activities.

Required Technical Skills

Backend

• Strong hands-on experience with:
• Java 7
• Java 8
• Java 21
• Java 25 (or experience working with the latest Java versions)
• Spring Framework
• Spring MVC
• Spring Boot
• RESTful Web Services
• Microservices architecture (preferred)

Frontend

• Angular 20
• HTML5
• CSS3
• Thymeleaf
• JavaScript
• Responsive UI development

Portal Framework

• Liferay Development
• Custom Portlets
• Liferay Themes
• Liferay Services
• Portal Customization

Database

• Oracle Database 19c
• SQL
• PL/SQL
• Query Optimization
• Performance Tuning

Build & DevOps Tools

• Git
• SVN
• Maven
• Jenkins
• Jira

Application Servers

• Apache Tomcat
• JBoss
• GlassFish

Desired Skills

• Experience with enterprise application development.
• Strong understanding of Object-Oriented Programming (OOP) principles.
• Experience with secure application development practices.
• Familiarity with Agile/Scrum development methodologies.
• Strong debugging and problem-solving skills.
• Excellent communication and collaboration abilities.
• Ability to work independently in a multicultural environment.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field.
• 6+ years of experience in Full Stack Java development.
• Proven experience delivering enterprise-scale applications.
• Experience working with Oracle databases and Liferay-based solutions is highly preferred.

Preferred Experience

• Enterprise Digital Transformation projects
• Banking or Government sector applications
• High-volume transactional systems
• CI/CD implementation using Jenkins
• Source code management using Git and SVN