Papiya Paul

Integration Developer with 5+ years of experience at Deloitte USI delivering 7 production integrations across banking, manufacturing, insurance, automotive, and financial services. Specialist in Azure Logic Apps, Service Bus, APIM, and Azure Functions — connecting SAP, Salesforce, and SharePoint with enterprise partners using EDI X12, Pub/Sub, and REST APIs. Resolves critical production issues end-to-end within 2–3 hours during hypercare.

Azure Integration Services Developer - Deloitte USI - Kolkata

(2024-01)

• Automated payment file processing connecting SAP ERP to multiple banks via SFTP — processing 500+ files daily with zero message loss using custom retry logic and exponential backoff.
• Designed 3-tier Logic App pipeline routing SAP IDOC shipment data to 3 mining partners in EDI X12 — using Switch routing, Liquid templates, and Service Bus Topics.
• Built Pub/Sub architecture using Service Bus Topics with APIM and Cosmos DB idempotency — distributing SAP quality data to multiple partners simultaneously.
• Led architecture for 4-workflow bidirectional sync with APIM gateway, OAuth2 auth, source-flag loop prevention, and Liquid field mapping across 19 data fields. Produced full due diligence documentation.
• Built Logic App using Flat File Decode action for mandatory field validation with conditional error routing — inserting validated records to Azure SQL with full audit trail.
• Automated ZIP file processing from SharePoint Online via Azure Function for unzipping, then delivered extracted files to SFTP — eliminating 100% of manual ops handling.

Snaplogic Developer → Support Engineer - Deloitte USI - Bangalore

(2020-09 - 2023-12)

• Designed and maintained 10+ Snaplogic pipelines for SAP and Salesforce integrations handling file transfers and API-driven ETL workflows.
• Provided hypercare production support — resolving critical failures end-to-end within 2–3 hours.

Bachelor of Computer Applications - BCA - Institute of Engineering & Management (2020)