Middleware Developer

VLink Inc; Jakarta Pusat; On-site; IDR 180,000,000 - 360,000,000; Full time

Job summary

VLink Inc. is seeking a seasoned middleware engineer to design, implement, and support enterprise integration solutions using IBM ACE. You will develop interfaces with IBM MQ, REST, SOAP, and JDBC, and manage data formats including XML, JSON, and EBCDIC.

The role requires troubleshooting, collaboration with cross-functional teams, and a focus on scalable, architecture-aligned solutions. The candidate should have 5+ years with IIB/ACE, strong MQ experience, and knowledge of middleware patterns,

Qualifications

• 5+ years with IBM Integration Bus (IIB) or IBM App Connect Enterprise (ACE).
• Strong experience with IBM MQ (WMQ) v8.0 or above.
• Understanding of enterprise integration architecture and middleware platforms.
• Experience with SOAP, REST, HTTP/HTTPS, FTP, SFTP, FTPS, and JDBC.
• Experience in DFDL, XML/XSD, JSON, ESQL, and Web Services.
• Knowledge of cluster environments, load balancers, firewalls, DNS, and LDAP.
• Understanding of Incident, Change, Problem, and SLA Management.

Responsibilities

• Design, develop, implement and support of enterprise integration solutions using IBM ACE.
• Design and develop interfaces using IBM MQ, HTTP/HTTPS, SOAP, REST, JDBC, FTP/SFTP/FTPS.
• Analyze and manage XML, XSD, DFDL, JSON, and EBCDIC data formats.
• Troubleshoot integration, connectivity, and message-processing issues.
• Collaborate with stakeholders and cross-functional teams.
• Design scalable solutions aligned with enterprise architecture.
• Drive continuous improvement and middleware optimization.
• Review and maintain existing integration codebases.
• Develop and execute unit, SIT, and integration tests.
• Manage and maintain IBM MQ queues and channels.

Skills

Troubleshooting

Analytical thinking

Communication

Collaboration

Enterprise integration knowledge

SLA Management

Tools

IBM App Connect Enterprise (ACE)

IBM MQ (WMQ)

DFDL

XML/XSD

JSON

ESQL

Job description

• Design, develop, implement and support of enterprise integration solutions using IBM App Connect Enterprise (ACE).
• Design and develop interfaces using IBM MQ, HTTP/HTTPS, SOAP, REST, JDBC, FTP/SFTP/FTPS.
• Analyze and manage XML, XSD, DFDL, JSON, and EBCDIC data formats.
• Troubleshoot integration, connectivity, and message-processing issues.
• Collaborate with stakeholders and cross-functional teams.
• Design scalable solutions aligned with enterprise architecture.
• Drive continuous improvement and middleware optimization.
• Review and maintain existing integration codebases.
• Develop and execute unit, SIT, and integration tests.
• Manage and maintain IBM MQ queues and channels

Required Technical & Professional Expertise

• 5+ years of hands-on experience in IBM Integration Bus (IIB) or IBM App Connect Enterprise (ACE).
• Strong experience with IBM MQ (WMQ) v8.0 or above.
• Understanding of enterprise integration architecture and middleware platforms.
• Experience with SOAP, REST, HTTP/HTTPS, FTP, SFTP, FTPS, and JDBC.
• Experience in DFDL, XML/XSD, JSON, ESQL, and Web Services.
• Knowledge of cluster environments, load balancers, firewalls, DNS, and LDAP.
• Understanding of Incident, Change, Problem, and SLA Management.
• Strong troubleshooting, analytical, and communication skills.

Preferred Qualifications

• Experience in Banking and Financial Services.
• Knowledge of DB2, RDBMS, and AIX/Linux.
• Understanding of middleware architecture and integration patterns.