Assistant Manager - Software Engineer (Java + API + AWS) (Ref 26567a)

JOBLINE RESOURCES PTE. LTD.; Singapore; On-site; SGD 120,000 - 170,000; Full time

Job summary

JOBLINE RESOURCES PTE. LTD. is seeking a senior integration specialist to design, develop, and implement enterprise integration solutions migrating to AWS.

You will collaborate with cross-functional teams to translate business requirements into scalable API and OSB-based workflows, and you will prepare migration plans and risk mitigation strategies. The ideal candidate has 5+ years in Java development with Oracle OSB, Oracle WebLogic, Spring, and experience building REST and SOAP services.

Qualifications

• Degree in Computer Science, Computer Engineering or equivalent.
• Hands-on OSB (Oracle Service Bus) configuration, deployment and management.
• 5+ years of Java development (Java 8+) with J2EE, EJB, Spring Framework.
• Spring components: Spring Boot, Spring MVC, Spring Security, Spring AOP; API integration with SOAP/REST.
• Strong OSB service routing, mediation, and message transformation experience.
• Experience with JMS configuration and administration, including reliable delivery.
• Oracle WebLogic Server administration and troubleshooting.
• SOA composites design: Oracle SOA Suite (BPEL, Mediator, OSB).
• Database integration with Oracle DB and PostgreSQL via Spring Data JPA/Hibernate/JDBC.
• Git/Gradle/Ant for build/version control.
• AWS cloud-native services: EC2, S3, Lambda, SQS, RDS; Kubernetes, API Gateway.
• IaC tools: Terraform or CloudFormation.
• Performance tuning, monitoring, and scaling OSB in AWS.
• Strong knowledge of RESTful APIs and SOAP.

Responsibilities

• Design, develop, and implement integration solutions for migrating apps to AWS.
• Prepare migration plans, timelines, and risk mitigation.
• Collaborate with cross-functional teams to capture business requirements for integration.
• Execute application migrations to AWS with the migration team.
• Create and implement APIs for communication between apps and services.
• Ensure API designs meet scalability, security, and performance standards.
• Troubleshoot complex integration problems with the team.
• Test integration solutions for functionality, performance and data accuracy.
• Collaborate with QA to develop and execute test plans for integrated systems.
• Provide documentation for troubleshooting and support.

Skills

OSB

Java development

AWS

Spring Framework

RESTful APIs

SOAP

JMS

Git

Gradle

Ant

Oracle WebLogic

Spring Boot

Spring MVC

Spring Security

Oracle SOA Suite

Oracle DB

PostgreSQL

Terraform

CloudFormation

API Gateway

Education

Degree in Computer Science or equivalent

Tools

OSB

Oracle WebLogic

Spring

Git

Gradle

Ant

Terraform

CloudFormation

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