# Senior Middleware Developer

> iSupport Worldwide · Pasig, Philippines (Hybrid) · Full-time · Posted 2026-08-25

**Workplace:** hybrid

**Department:** AMMEX Corporation

## Description

### **What is your mission?**

We are looking for an experienced **Senior Middleware Developer** to design, build, optimise, and maintain enterprise integration solutions across customer systems, third-party warehouse platforms, Salesforce, ERP, EDI, and OpenText. The role focuses on ensuring reliable data flow, system interoperability, integration performance, security, and scalability while supporting critical business operations.

**You will provide the best service to our partner brands by performing these tasks:**

-   Design and implement integration workflows between internal and external platforms.
-   Build, optimise, and maintain middleware integrations for reliability, scalability, and performance.
-   Monitor data transmissions and validate the accuracy of inbound and outbound transactions.
-   Troubleshoot integration failures and perform root cause analysis.
-   Resolve middleware, data mapping, connectivity, and system interoperability issues.
-   Gather requirements from business and technical stakeholders.
-   Coordinate with external vendors regarding middleware platform updates and technical concerns.
-   Support integrations involving customers, third-party warehouses, Salesforce, ERP, EDI, and OpenText.
-   Recommend improvements to integration architecture, security, and system performance.
-   Maintain technical documentation, integration specifications, and support procedures.
-   Stay current with middleware technologies, integration patterns, and development best practices.

## Requirements

### **Who are we looking?**

-   Bachelor's Degree in Computer Science, Information Technology, or a related field.
-   Minimum of 4 to 5 years of middleware development or enterprise integration experience.
-   Strong experience with middleware platforms such as MuleSoft, IBM WebSphere, Oracle Fusion, and Boomi.
-   Proficiency in one or more of the following: JavaScript, Java, Python, or C#.
-   Experience working with SQL and NoSQL databases.
-   Strong knowledge of XML, JSON, and scripting languages.
-   Knowledge of security protocols including SSL/TLS, OAuth, and SAML.
-   Experience transmitting and supporting EDI documents.
-   Experience with the OpenText platform.
-   Experience with cloud integration services in AWS or Microsoft Azure.
-   Middleware certifications such as MuleSoft Certified Developer or IBM Certified System Administrator.
-   Experience integrating Salesforce, ERP systems, warehouse platforms, and third-party applications.
-   Strong troubleshooting, root cause analysis, and problem-solving abilities.
-   Strong enterprise integration and middleware development skills.
-   Excellent analytical and technical problem-solving abilities.
-   Strong attention to detail and commitment to data accuracy.
-   Ability to manage multiple integration projects and priorities.
-   Effective written and verbal communication skills.
-   Strong documentation and stakeholder management capabilities.
-   Ability to collaborate effectively with business stakeholders, technical teams, and external vendors.
-   Ability to work independently and collaboratively.
-   Continuous improvement mindset with a focus on reliability, scalability, and security.

## Benefits

### Why you'll love it here?

-   Free lunch meals, fruits, snacks, and beverages for employees assigned to onsite shifts.
-   Access to an onsite gym with a complimentary professional fitness instructor.
-   Weekly fitness activities and an annual fitness challenge with prizes of up to ₱70,000.
-   Weekly employee engagement activities with prizes of up to ₱3,000.
-   Free upskilling academy to support career growth and professional development.
-   State-of-the-art office facilities and modern workstations.
-   Access to employee amenities including sleeping quarters, game area, chat room, and shower rooms.
-   Fun, collaborative, and employee-focused work environment.

## Apply

[Apply at iSupport Worldwide](https://apply.workable.com/isupport-worldwide/j/6839801B88/apply)

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