Senior Java Integration Engineer - AWS (1 Year Contract)

MORGAN MCKINLEY PTE. LTD.; Singapore; On-site; SGD 120,000 - 160,000; Full time

Job summary

Morgan McKinley Pte. Ltd. is engaged on an AWS Cloud migration project for a government technology agency, focusing on designing, developing, and optimizing cloud-based applications.

The role requires extensive Java development experience and expertise in AWS services to support a secure, scalable healthcare IT transformation. You will lead integration design, migration planning, and API development, collaborating with cross-functional teams and QA to ensure robust delivery and compliance with

Qualifications

• Bachelor's degree in Computer Science/IT/Engineering or equivalent.

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.

Skills

Java

Spring Framework

API integration

RESTful APIs

SOAP

AWS Cloud

OSB (Oracle Service Bus)

JMS

Oracle WebLogic

Git

Education

Bachelor's Degree in Computer Science / Information Technology / Computer Engineering or equivalent

Tools

OSB (Oracle Service Bus)

Oracle WebLogic Server

Terraform

CloudFormation

Git

Gradle

Ant

Job description

Job Overview

You will be deployed to our client who is a leading government technology agency driving digital transformation and innovation in the healthcare sector. You will be a key contributor in this AWS Cloud migration project, responsible for designing, developing, and optimizing applications for the cloud environment. Extensive experience in application development in Java and expertise in AWS Cloud services will be crucial in ensuring the success of the transformative project to the modern healthcare IT transformation journey. You will also be the main point of contact for various project teams, providing technical guidance and solutions that are robust and secure.

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 / Information Technology / Computer Engineering or equivalent.
• In-depth knowledge and hands-on experience with Enterprise service bus such as OSB (Oracle ServiceBus), 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, APIGateway.)
• 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.