Senior Java Backend Engineer | Spring Boot & Microservices

DataFirst Solutions; Sharjah; On-site; AED 260,000 - 420,000; Full time

Job summary

DataFirst Solutions is seeking a Senior Java Software Engineer for an on-site gov. entity in Sharjah. The role focuses on designing, developing, and maintaining Java-based applications while collaborating with a team to deliver high-quality software solutions.

The candidate will build scalable back-end systems, implement APIs, and ensure robust security. Strong Java and Spring Boot experience with Oracle databases is required, along with SOAP/REST services and security expertise.

Qualifications

• Bachelor's or Master’s degree in Computer Science or a related field.
• 5+ years of experience as a Software Engineer.
• Strong understanding of algorithms, data structures, OOP, design patterns, software architecture, database design, and UML.
• Hands-on experience with Java, Spring Boot, and Oracle databases.
• Experience in building and consuming web services (SOAP and REST).
• Practical experience with API security mechanisms such as JWT, Spring Security, and OAuth2.
• Knowledge of data security and encryption/decryption algorithms (e.g., RSA, AES) is an advantage.
• Experience working with application servers such as Oracle WebLogic and Apache Tomcat.
• Experience with Oracle Fusion Middleware technologies (OSB, Oracle BPM, Oracle UCM) is a plus.
• Good understanding of SOA and microservices architectures.

Responsibilities

• Collaborate with the development team, product managers, and cross-functional stakeholders to ideate software solutions and deliver new features.
• Coordinate with clients and service providers to clarify and align technical requirements.
• Design and develop high-performance, scalable back-end systems.
• Build and maintain reliable, well-structured databases and applications.
• Design, implement, and maintain effective APIs.
• Implement robust security measures and data protection mechanisms.
• Write clean, maintainable, and efficient code following best practices.
• Test software to verify functionality, responsiveness, and performance.
• Diagnose, troubleshoot, and resolve software defects and issues.
• Prepare and maintain clear technical documentation.
• Keep current with emerging tools, technologies, and best practices to continuously enhance back-end systems.

Skills

Algorithms

Data structures

OOP

Design patterns

Software architecture

Database design

UML

Education

Bachelor’s or Master’s degree in Computer Science or related field

Tools

Java

Spring Boot

Oracle databases

SOAP/REST web services

JWT

Spring Security

OAuth2

Oracle WebLogic

Apache Tomcat

Oracle Fusion Middleware (OSB, BPM, UCM)

Job description

DataFirst Solutions is seeking a Senior Java Software Engineer for an on-site gov. entity in Sharjah. The role focuses on designing, developing, and maintaining Java-based applications while collaborating with a team to deliver high-quality software solutions.

The candidate will build scalable back-end systems, implement APIs, and ensure robust security. Strong Java and Spring Boot experience with Oracle databases is required, along with SOAP/REST services and security expertise.