Description
A functional Interface Designer produces the specification that determines whether an integration works the first time or goes through five defect cycles. If your Interface Design Documents are accurate enough that a developer can build from them without a single clarifying question, and your integration test cases catch edge cases before UAT, this is your workstream.

ABOUT ROLLING ARRAYS
Rolling Arrays is a private equity-backed, award-winning HR Tech consulting firm — Asia Pacific's premium partner for enterprise HR digital transformation. Headquartered in Singapore and with offices across India, Malaysia, Australia, and Hong Kong, we have delivered more than 200 HR Transformation projects since our founding in 2009, and were recognised as one of Singapore's Top 100 fastest-growing companies in 2025. We specialise in SAP SuccessFactors, Oracle HCM, and Workday across the full delivery spectrum: HR process design and consulting (ALIGN), technology implementation (AUTOMATE), change management and adoption (ADOPT), and managed support services (AMS).

POSITION SUMMARY




RAC is hiring a Functional Interface Designer to produce integration design documentation for Oracle HCM implementations. This is a functional — not a developer — role. You will map HR data flows between Oracle HCM and third-party systems, produce Interface Design Documents, support integration testing, and maintain the interface inventory for your assigned engagement.

WHAT YOU WILL DO
- Elicit integration requirements from client HR and IT stakeholders — running interface workshops that go beyond what data flows where to capture trigger, frequency, error ownership, rejection handling, and the business consequence of a delayed or failed interface
- Produce complete Interface Design Documents for every in-scope integration — covering source and target systems, trigger, direction, frequency, field-level mapping with transformation rules and code conversions, error handling approach, volume es

📌 Oracle Interface Designer (Mumbai)
🏢 Rolling Arrays
📍 Mumbai