Job Summary

You will be deployed to our client who is a leading government technology agency driving digital transformation and innovation in the healthcare sector. Seeking a Senior Java Integration Developer to drive a high-impact AWS migration for a Government Critical Information Infrastructure (CII) project. Operating under IM8 governance, you will serve as the technical lead in bridging legacy Oracle Service Bus (OSB) architectures with modern AWS Cloud-native services to ensure seamless, secure, and resilient system integrations.
Responsibilities

Design, develop, and implement integration solutions for applications migrating to the AWS Cloud platform
Prepare detailed migration plans, timelines, and risk mitigation strategies
Collaborate with cross-functional teams to understand business requirements and implement effective integration strategies
Work closely with the migration team to execute the migration of applications to the AWS Cloud
Create and implement APIs to facilitate communication between applications and services
Ensure API designs adhere to best practices for scalability, security, and performance
Collaborate with team members to troubleshoot complex problems related to integration processes
Conduct thorough testing of integration solutions to ensure functionality, performance, and data accuracy
Collaborate with QA teams to develop and execute test plans for integrated systems
Provide documentation for troubleshooting and support purposes
Create and implement APIs to facilitate communication between applications and services
Ensure API designs adhere to best practices for scalability, security, and performance

Requirements

Bachelor's Degree in Computer Science, Computer Engineering or equivalent
In-depth knowledge and hands-on experience with Enterprise service bus such as OSB (Oracle Service Bus), including configuration, deployment, and management
At least 5 years of experience in Java development (Java 8 and above, J2EE, EJB, Spring Framework, etc.,)
Knowledge of and Spring framework, specifically in Spring Boot, Spring MVC, Spring Security, Spring AOP, and API integration with SOAP and RESTful webservices
Strong experience in OSB service routing, mediation, message transformation, and integration patterns
Ability to manage integrations & authentication between OSB and various systems, ensuring secure connection
Experience in JMS (Java Message Service) configuration and administration, including message queuing and reliable message delivery
Experience with Oracle WebLogic Server administration, including installation, configuration, and troubleshooting
Experience in designing, developing, and supporting SOA composites using Oracle SOA Suite (BPEL, Mediator, OSB)
Familiarity with database integration to Oracle DB and PostgreSQL using Spring Data JPA, Hibernate, JDBC
Knowledge in building and version control with Git, Gradle, Apache Ant
Hands-on experience with AWS Cloud-native services (e.g. EC2, S3, Lambda, SQS, RDS, Kubernates, API Gateway.)
Hands-on experience with CI/CD tools like Jenkins, GitLab CI, Bamboo or Circle CI
Familiarity with IaC tools like Terraform or CloudFormation
Ability to handle performance tuning, monitoring, and scaling of OSB and associated components in AWS, ensuring optimal performance and reliability
Strong understanding of RESTful APIs, SOAP, and other communication protocols
Proficient in API Gateway (e.g., Broadcom Layer7, AWS API GW), including configuration, deployment, and administration of APIs and policies
Experience with API gateway features such as routing, transformation, rate limiting, and content-based routing
Knowledge of API gateway security mechanisms, including authentication & certificate management
Knowledge of migration strategies and best practices for transitioning from on-premises API Gateway to AWS, potentially using AWS API Gateway
Ability to adapt API gateway configurations and features to fit AWS API Gateway capabilities and requirements, ensuring seamless transition and optimization

If you are interested in this role and would like to discuss the opportunity further please click apply now or email Chew Kai-Xinn at [HIDDEN TEXT] for more information.

Only shortlisted candidates will be responded to, therefore if you do not receive a reply within 14 days please accept this as notification that you have not been shortlisted.

Morgan McKinley Talent Solutions

Morgan McKinley Pte Ltd EA Licence No: 11C5502

EAP Registration No: R2196712

EAP Name: Chew Kai-Xinn

Senior Java Integration Developer (1 Year Contract)