Sr. Java Developer

About this opportunity

Job Description We are currently looking for Sr. Java Developer for our Bahrain operations Academic Qualification Bachelor’s Degree in Computer Science / Engineering or related field Experience required: Years of Experience 7 - 10 years Knowledge of API Management. Knowledge of Java (Java 8/11/14), OOP principles, SOLID/DRY. Knowledge of Java Concurrency & Multithreading. Knowledge of Microservices. Knowledge of Spring Framework + Spring Boot + Micro-Services development with JPA. Ability to design and implement RESTful APIs. Knowledge of message queuing systems (e.g., IBM MQ, Kafka). Knowledge of HTTP/HTTPS protocol, web servers, relational database design and SQL scripting (MySQL). Knowledge of NoSQL technologies (MongoDB). Knowledge of UI technologies (HTML5, Thyme leaf/JSP, JSF, Prime faces, CSS, JavaScript, jQuery). Knowledge of Security & Identity protocols (OpenID, TLS, OAuth, SAML, SSO, PKI encryption & key management). Knowledge Testing, debugging, follow best practice in (Git) Version Control System. Knowledge of DevOps. Must have Banking / Financial Services experience. Job Responsibility Design, develop, and maintain Java (8/11/14) applications using OOP and clean-code practices (SOLID/DRY). Build and enhance backend services using Spring Framework/Spring Boot, ensuring high performance and scalability. Develop, expose, and consume RESTful APIs (JSON) and support SOAP/WSDL/XML integrations when required. Implement microservices architecture using JPA/Hibernate, including service communication and API lifecycle management. Design and optimize data models; write efficient SQL and manage relational databases (e.g., MySQL) and NoSQL (MongoDB). Apply concurrency and multithreading to improve throughput, reliability, and overall system responsiveness. Implement security and identity standards including OAuth2/OpenID Connect, SAML/SSO, TLS, and PKI concepts Troubleshoot production issues, handle multiple support cases in parallel, and perform root-cause analysis. Develop and execute testing/debugging activities, ensuring code quality and adherence to engineering best practices. Use Git for version control and support CI/CD/DevOps practices, preferably using Azure DevOps pipelines and boards. Collaborate with cross-functional teams to gather integration requirements. Document integration flows, technical specifications, and support procedures. Domain: Banking