Assistant Manager - Software Engineer (Java + API + AWS)

jobline resources pte. ltd.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

jobline resources pte. ltd. in Singapore seeks a skilled Java developer with extensive OSB and AWS migration experience to design, implement, and optimize complex integration solutions.

You will craft migration plans, collaborate across teams, and ensure secure, scalable APIs for inter-service communication. Requirements include 5+ years of Java/J2EE, Oracle WebLogic, Spring, and OSB expertise, plus strong API/RESTful/SOAP skills and AWS knowledge.

Qualifications

• Degree in Computer Science, Computer Engineering or equivalent.
• Hands-on OSB administration: configuration, deployment and management.
• 5+ years of Java development (Java 8+, J2EE, EJB, Spring).
• Spring framework knowledge: Spring Boot, Spring MVC, Spring Security, Spring AOP; API integration with SOAP/REST.
• OSB routing, mediation, transformation; SOA with Oracle SOA Suite.
• Secure integrations between OSB and multiple systems; JMS configuration.
• Oracle WebLogic Server administration: install, configure, troubleshoot.
• SOA composites design/development using Oracle SOA Suite (BPEL/Mediator/OSB).
• DB integration with Oracle/PostgreSQL via Spring Data JPA, Hibernate, JDBC.
• Git/Gradle/Ant usage and CI/CD practices.
• AWS native services familiarity; IaC with Terraform/CloudFormation.
• Performance tuning, monitoring, and scaling of OSB in AWS.
• RESTful APIs and SOAP knowledge.

Responsibilities

• Design, develop, and implement integration solutions migrating apps to AWS Cloud.
• Prepare migration plans, timelines, and risk strategies.
• Collaborate with cross-functional teams on business requirements and integration strategies.
• Execute migration of applications to AWS Cloud with migration team.
• Create and implement APIs for inter-app communication.
• Ensure API designs meet scalability, security, and performance standards.
• Troubleshoot complex integration issues with team members.
• Thoroughly test integration solutions for functionality, performance, and data accuracy.
• Collaborate with QA to develop and run test plans for integrated systems.
• Provide troubleshooting and support documentation.

Skills

Java development

Spring Framework

API integration design

OSB knowledge

JMS configuration

SOA/OSB patterns

RESTful APIs

Education

Bachelor's degree in Computer Science or equivalent

Tools

OSB (Oracle Service Bus)

Oracle WebLogic Server

Spring Boot

Git/Gradle/Ant

AWS Cloud services (EC2, S3, Lambda, SQS, RDS)

Job description

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

• 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.)
• 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.

Licence no: 12C6060