OsamaASidd

System Integration Expert

Google • Vollzeit

Feb 2026 - Present • 5 mos

Cryptware Systems LTD (company not listed): I architect end-to-end e-invoicing compliance for enterprises facing Nigeria's NRS mandate — working directly as an Access Point Provider integration specialist for 16+ Tier-1 clients across SAP, Oracle, Sage, and Microsoft Dynamics 365. What I deliver: ✅ Cross-ERP payload transformation — I map and convert invoice data from any ERP into the tax authority's required format, then handle IRN generation and QR-code injection so every invoice is validated and compliant automatically. ✅ Sage integrations across all four product lines — Sage 50 (Pervasive ODBC + a 32-bit Python/Flask dashboard), Sage 200 (ODBC middleware), Sage Evolution (SQL middleware), and Sage X3 (SData 2.0 REST API). I eliminated manual FIRS submissions entirely for clients like Proton Security, Genesis Group, Swift Oil, and Chorus Energy. ✅ SAP ABAP development — custom integration classes, a dedicated ZFIRS transaction, and full RFC/STRUST setup to route SAP pipelines onto compliant APIs across DEV/QA/PROD landscapes (used for Dabur and Fidelity Bank). ✅ Microsoft Dynamics 365 — AL extensions and X++ customizations delivering NRS/FIRS e-invoicing across multi-entity groups (9+ legal entities). ✅ AS2 / EDI middleware — automated B2B invoice exchange bridging global ERPs to the Nigeria access point. ✅ Oracle pipeline migration — consolidated vendor dependencies and cut maintenance overhead by moving Oracle e-invoicing onto a single API provider. I handle the full journey: discovery, payload mapping, sandbox testing, go-live, and post-launch support — so you stop worrying about compliance and get back to business. Stack: SAP ABAP, S/4HANA, Sage 50/200/Evolution/X3, Dynamics 365 (AL, X++), Oracle, Pervasive ODBC, Python, Flask, AS2/EDI, REST APIs.

Lead ERPnext Developer

Microsoft • Vollzeit

Sep 2024 - Present • 1 yr 10 mos

Deliverydevs Private LTD (Company not listed): I lead end-to-end Frappe and ERPNext projects — from full ERP implementations to custom apps and data pipelines — for businesses that need their systems to actually fit how they work. What I deliver: ✅ Frappe CRM & data warehouse pipelines — I rolled out a Frappe CRM with a SQL Server data warehouse (pulling from Daxium and Sage ERP) for a Belgium-based manufacturer, centralizing sales analytics across a multi-country territory with unified dashboards and territory-based opportunity tracking. ✅ Full ERPNext implementations — I led a Finance/HR/Operations rollout that consolidated three separate departmental systems into one ERP, with custom workflows and analytics that cut reporting cycle time significantly. ✅ Custom Frappe applications — I built a Tourism Management app with S3 + Google Drive backup pipelines and a global-passport OCR module that automated 70% of operational workflows and removed manual passport data entry entirely. ✅ Tax compliance apps — I authored an FBR E-Invoicing Frappe app that brought multiple Pakistan-based clients into compliance with the FBR digital invoicing mandate. ✅ 4 published Frappe Marketplace apps — including Exchange Rate Synchronization, ZKTeco biometric check-in integration, and Cargo Management (which raised operational efficiency by 80% for logistics clients). ✅ Performance tuning & stability — I diagnosed and fixed persistent ERPNext production timeouts by tuning InnoDB and Redis configurations, restoring stable performance for a live tracking platform. Whether you need a fresh implementation, a custom module, an integration, or a fix for a crashing instance — I handle discovery, build, deployment, and handover. Stack: Frappe, ERPNext, Python, MariaDB, SQL Server, Redis, AWS S3, Google Drive API, OCR.