Sr. Java Developer

Vamsystems; Manama; On-site; BHD 18,000 - 24,000; Full time

Job summary

Vamsystems is seeking a Senior Java Developer for its Bahrain operations. The role focuses on designing, developing, and maintaining Java applications with modern frameworks and API-driven microservices.

The candidate will implement security standards, work with RESTful APIs, and contribute to CI/CD processes in a Banking/Financial Services environment.

Qualifications

• Bachelor's degree in Computer Science / Engineering or related field.
• 7–10 years of experience in Java development.
• Experience designing and consuming RESTful APIs and microservices.
• Banking/Financial Services experience is required.

Responsibilities

• Design, develop, and maintain Java applications (8/11/14) using OOP and SOLID/DRY principles.
• Build backend services with Spring Framework/Spring Boot for performance and scalability.
• Develop and expose RESTful APIs and support SOAP/XML when needed.
• Implement microservices using JPA/Hibernate with service communication and API lifecycle management.
• Design data models, write SQL for MySQL and work with MongoDB as needed.
• Apply concurrency and multithreading to improve throughput and reliability.
• Implement OAuth2/OpenID Connect, SAML/SSO, TLS, and PKI security measures.
• Troubleshoot production issues and perform root-cause analysis.
• Collaborate with cross-functional teams; document integration flows and specs.
• Use Git for version control; support CI/CD/DevOps pipelines (Azure DevOps).

Skills

API Management

Java

OOP

SOLID/DRY

Multithreading

Microservices

Spring Framework

RESTful APIs

Message Queuing

HTTP/HTTPS

SQL/MySQL

NoSQL (MongoDB)

UI Technologies

Security Protocols

Testing/Debugging

Git

CI/CD/DevOps

Banking/Financial Services

Education

Bachelor's Degree in Computer Science / Engineering

Tools

IBM MQ

Kafka

Git

Azure DevOps

MySQL

MongoDB

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