Total 5 Senior Executive java developer job vacancies

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 kaixinnchew@morganmckinley.com 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

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. As a Senior Software Developer, you will serve as a technical lead in our transition to the cloud. You’ll leverage your deep expertise in Java, Liferay, and AWS to architect, build, and optimize high-performance applications that define the future of our digital infrastructure.
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
• Provide L2/L3 application support for Liferay and Java applications, including incident investigation, bug fixes and RCA analysis
• Implement application enhancement and feature updates based on business requirements

Requirements

• Bachelor's Degree in Computer Science, Computer Engineering or equivalent
• In-depth knowledge and hands-on experience in Liferay development including OSGi Modular development, Liferay customizations and Service builder
• At least 5 years of experience in Java development (Java, J2EE, EJB, Spring Framework, etc.,)
• Knowledge of Spring framework, specifically in Spring Boot, Spring MVC, Spring Security, Spring AOP, and API integration with SOAP and RESTful webservices
• Experience in WebLogic, JBoss, WebSphere Application Server and Apache Web server
• Experience with Oracle WebLogic Server administration, including installation, configuration, and troubleshooting
• 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 application performance tuning, monitoring, and associated components in AWS, ensuring optimal performance and reliability.

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 kaixinnchew@morganmckinley.com 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

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 kaixinnchew@morganmckinley.com 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

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. As a Senior Software Developer, you will serve as a technical lead in our transition to the cloud. You’ll leverage your deep expertise in Java, Liferay, and AWS to architect, build, and optimize high-performance applications that define the future of our digital infrastructure.
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
• Provide L2/L3 application support for Liferay and Java applications, including incident investigation, bug fixes and RCA analysis
• Implement application enhancement and feature updates based on business requirements

Requirements

• Bachelor's Degree in Computer Science, Computer Engineering or equivalent
• In-depth knowledge and hands-on experience in Liferay development including OSGi Modular development, Liferay customizations and Service builder
• At least 5 years of experience in Java development (Java, J2EE, EJB, Spring Framework, etc.,)
• Knowledge of Spring framework, specifically in Spring Boot, Spring MVC, Spring Security, Spring AOP, and API integration with SOAP and RESTful webservices
• Experience in WebLogic, JBoss, WebSphere Application Server and Apache Web server
• Experience with Oracle WebLogic Server administration, including installation, configuration, and troubleshooting
• 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 application performance tuning, monitoring, and associated components in AWS, ensuring optimal performance and reliability.

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 kaixinnchew@morganmckinley.com 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

Our client from the government sector is looking for a Lead Engineer for an AWS cloud migration project.. The role requires the potential candidate to be involved in designing, developing, and optimizing applications for the cloud environment. Extensive experience in ETL tools, data warehousing concepts, and AWS Cloud services will be crucial in ensuring the success of our transformative project.

RESPONSIBILITIES:

• Design, develop, and implement integration solutions for applications migrating to the AWS Cloud platform.
• Design and develop ETL processes to extract data from various sources (e.g., databases, flat files, APIs), transform as per business requirements and load it in to data warehouse or other data storage systems.
• Integrate data from multiple heterogeneous sources and ensure it is transformed and loaded correctly into the target system, maintaining data quality and integrity.
• Write complex SQL queries and use transform logic to clean, aggregate, and transform data as per business requirements.
• Ensure ETL processes are optimized for performance, scalability and reliability.
• Implement data validation rules and perform data quality checks to ensure accuracy and completeness of data.
• Troubleshooting and resolve issues related to data integration, loading failures, and performance bottlenecks in the ETL process.
• Document ETL workflows, processes, logic and prepare reports as needed.
• 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.
• Conduct thorough testing to ensure functionality, performance, and data accuracy.
• Provide documentation for troubleshooting and support purposes.

REQUIREMENTS:

• Degree in Computer Science, Computer Engineering or equivalent.
• Minimum 12 years of experience in IT and at least 6 years of experience in using Informatica PowerCenter tools for data integration and ETL processes.
• Must have Java Development work experience.
• Knowledge of Informatica Designer, Workflow Manager, and Repository Manager.
• Experience with creating and managing ETL mappings, sessions, and workflows.
• Proficiency in designing and developing data transformations.
• Strong SQL skills for database querying and manipulation.
• Understanding of relational database concepts and performance tuning. and also familiarity with data warehousing concepts, star schema, snowflake schema, and data marts.
• Ability to optimize ETL processes for performance and efficiency.

Morgan McKinley Pte Ltd
Cedric Ferreras
EA Licence No: 11C5502
EA Registration No. R1870889