Company logo hidden

ESB Developer

Unlock employer Abu Dhabi, United Arab Emirates Posted: 25 May 2026

Financial

  • Estimate: $65k - $85k*
  • Zero income tax location

Accessibility

  • Office Only
  • Apply from abroad
  • Visa Provided

Requirements

  • Experience: Senior
  • English: Fluent

Position

We have an immediate vacancy for an ESB Developer with over 6 years of experience at the company in Abu Dhabi. The role focuses on designing and implementing a middleware service layer that exposes CASA scorecard variables from a centralized RDBMS to the FinnOne Loan Origination System.

Ready to apply for roles like this?

Unlock the company name and direct application link. Subscribers get instant access to fresh jobs across Dubai, Abu Dhabi and Riyadh, many with visa support.

Unlock employer & apply directly

Work Conditions: On-site contract (4–5 months, third party)

Job Description:
The ESB / Integration Developer will:

  • Design and implement ESB services exposing CASA variable outputs from RDBMS via secure SOAP APIs.
  • Implement authentication and authorization mechanisms including OAuth2/JWT token validation, mTLS mutual authentication, request validation, throttling, caching, and standardized error handling.
  • Create an API versioning strategy, enforce backward compatibility policies, and develop deprecation frameworks.
  • Build non-production sandboxes and develop portal artifacts, including API specifications, usage examples, and Postman collections.
  • Collaborate with the FinnOne LOS team to define request patterns, idempotency keys, and error-retry logic.
  • Define integration design parameters and produce the FinnOne LOS Consumption Guide and checklist.
  • Execute non-functional testing of ESB services and provide tuning reports.
  • Integrate ESB services into the CI/CD pipeline with security compliance and approval gates for production.
  • Ensure all ESB services comply with security standards (IAM, PII masking, encryption).
  • Produce operational monitoring dashboards and support handover processes.

Required Experience & Skills:

  • 4+ years of hands-on experience with enterprise service bus platforms (IBM MQ, MuleSoft, TIBCO, WSO2, or equivalent).
  • Strong understanding of SOAP, WSDL, and REST/JSON service design.
  • Proven implementation of API security standards, including OAuth2/JWT, mTLS, and API gateway policies.
  • Familiarity with IAM in enterprise banking environments.
  • Deep knowledge of enterprise integration patterns and experience designing and executing load and stress tests for API services.
  • Prior experience integrating with FinnOne LOS or similar loan origination platforms is highly desirable.

Language Requirements:
Fluency in English is required.

Apply Direct

Jobs you might like   View all jobs

Ready to apply for this role?

Apply Direct