Integration Developer / webMethods Specialist (Enterprise B2B)

OPTIMUM SOLUTIONS (SINGAPORE) PTE LTD; Singapore; On-site; SGD 90,000 - 120,000; Full time

Job summary

OPTIMUM SOLUTIONS (SINGAPORE) PTE LTD is seeking a skilled Software AG webMethods Developer to design, support, and enhance our enterprise E-Invoice integration platform. You will maintain robust B2B document exchanges and ensure availability for critical financial transactions.

You will design and implement e-invoice integration flows using webMethods, handle secure file transfers with SFTP and PGP/GPG, and troubleshoot production issues with RCA while collaborating with cross-functional teams

Qualifications

• 4–8 years in middleware integration and enterprise application support.
• Strong expertise in webMethods Integration Server and webMethods Designer.
• Experience with Flow Services, mappings, transformations, and exception handling.

Responsibilities

• Design, develop, and maintain e-invoice integration flows, mappings, and transformations using Software AG webMethods.
• Handle secure file transfers (SFTP) and implement data security using PGP/GPG.
• Troubleshoot production issues, perform Root Cause Analysis (RCA), and resolve integration failures swiftly.
• Monitor, manage, and support scheduled workflows via Control-M.
• Translate business and statutory requirements into XML, UBL, and Peppol message structures.
• Deploy releases across UAT and Production environments while collaborating with cross-functional technical teams.

Skills

Middleware integration

Analytical thinking

Documentation

Stakeholder communication

Tools

Software AG webMethods Integration Server

webMethods Designer

Control-M

SFTP

PGP/GPG

XML

SQL

Job description

About the Role

We are seeking a skilled and analytical Software AG webMethods Developer to design, support, and enhance our enterprise E-Invoice integration platform. In this role, you will play a critical part in maintaining robust B2B document exchanges, ensuring compliance with electronic invoicing frameworks, and guaranteeing high availability for mission-critical financial transactions.

Responsibilities

• Design, develop, and maintain robust e-invoice integration flows, mappings, and transformations using Software AG webMethods.
• Handle secure file transfers (SFTP) and implement data security using PGP/GPG file processing.
• Troubleshoot production issues, perform Root Cause Analysis (RCA), and resolve integration failures swiftly.
• Monitor, manage, and support scheduled workflows via Control-M.
• Translate business and statutory requirements into XML, UBL, and Peppol message structures.
• Deploy releases across UAT and Production environments while collaborating with cross-functional technical teams.

Requirements

• 4 to 8 years of hands-on software engineering experience specializing in middleware integration and enterprise application support.
• Strong mastery of Software AG webMethods Integration Server and webMethods Designer.
• Proficient in developing and debugging Flow Services, mappings, transformations, and complex exception handling.
• Deep familiarity with XML, XSD, and UBL data formats.
• Hands-on experience with SFTP and PGP/GPG encryption protocols.
• Strong SQL skills for relational database troubleshooting and data tracing.
• Experience with Control-M job scheduling and monitoring.
• Familiarity with Peppol e-invoicing standards, EN16931, or Singapore e-invoice frameworks.
• Excellent analytical mind for troubleshooting, strong documentation habits, and effective stakeholder communication.