Hire the Best SAP Hana Developers
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🏆 100% Job Success Score 🏆 Top Rated Plus ✅ Accumulated over 3200+ hours of SAP Consultancy on Upwork. 💼 SAP ABAP | WRICEF | RAP | CDS | OData | BTP | AMDP | Fiori/UI5 | Integration Architect. Results-driven SAP Technical Consultant with strong expertise in SAP ABAP (WRICEF), Fiori/UI5, OData, RAP, AMDP, BTP and CDS Views. Proven track record in designing, developing, and integrating SAP solutions that streamline business processes and drive digital transformation. ✅ Skilled in custom Fiori app development, OData service creation, and Non-SAP integrations (Salesforce, .NET, Android, iOS) using IDocs, RFCs, SOAP, and REST web services. ✅ Hands-on experience in SAP Workflows, Smart Forms, Adobe Forms, Web Dynpro, and HCM Processes & Forms. ✅ Strong knowledge of enhancements (User-Exits, BAPIs, BADIs), object-oriented ABAP, and performance optimization. ✅ Strong experience with ECC, S/4HANA upgrades (1511 → 2022, 2020 → 2023, 2021 → 2023). Passionate about innovation, integration architecture, and scalable SAP solutions that align technology with business strategy.

PROFILE SAP Technical (BTP, ABAP and Fiori), Experience in working as Developer and Application Consultant with clients with Petroleum, Financial background and Engineering. Competency: SAP Fiori, SAP UI5, SAP HANA SAP BTP, Development, SAP ABAP, SAP integration

With over 8 years of professional software development experience, I specialize in delivering high-impact custom applications and seamless ERP integrations that drive real business results. My core expertise includes: 🔹 Custom Software Development Built over 15+ custom web applications using .NET Core, Angular, and SQL Server Created & consulted on MVPs for 3 startups, accelerating time-to-market by 40% Modernized legacy Webforms systems to .NET Core + Angular, improving performance by 60% 🔹 SAP Business One Integrations & Consultation Completed 12+ SAP B1 Integrations across industries (Retail, Manufacturing, Wholesale) Developed 3 SAP Add-ons for inventory management, reporting automation, and finance sync Integrated SAP B1 with platforms like Shopify, Amazon, eBay, Retail Pro, Salesforce, and custom CRMs /ERP's Delivered SAP-integrated POS Inventory Systems syncing over 10,000 daily transactions Launched SAP API Gateway used for different web portals & handling the integration between SAP Business One & Retail pro, used in 100+ branches Retail Store. Key Achievements: Enabled businesses to achieve up to 30% faster operational workflows with SAP automations Helped clients scale revenues by 20%-50% through integrated, real-time systems Managed seamless API integrations processing 50K+ records daily without downtime Whether you need a robust SaaS application, a custom ERP extension, or API integrations that scale with your business, I can deliver solutions built for reliability, scalability, and future growth. 📩 Let's connect to discuss how we can bring your project to life.

I’m Ahsan Hafeez, a Senior SAP B1 (SAP Business One) Technical Consultant & C# .NET Developer with over 8 years of experience helping global companies streamline operations, integrate ERP with e-commerce, and automate complex business processes. My focus is always on delivering measurable results, cutting costs, improving efficiency, and enabling growth. I specialize in SAP Business One customizations, ERP integrations, API development, and full-stack .NET solutions that empower businesses across retail, e-commerce, logistics, manufacturing, and healthcare. 🔧 Core Expertise ⚡ SAP B1 (SAP Business One) Development SDK Programming (.NET / C# / DI-API / Service Layer) Custom SAP BusinessOne Add-Ons & UI Enhancements Integrations: SAP Business One ↔ Shopify, WooCommerce, Amazon, Odoo, Salesforce, HubSpot SAP S/4HANA & HANA Cloud Connectivity 🔗 API Development & Automation RESTful API Design & Integration (ASP.NET Core / MVC) ERP, CRM & WMS Connectivity Middleware & Real-Time Data Sync End-to-End Business Process Automation 📊 Business Intelligence & Reporting SAP Crystal Reports (Dashboards, KPIs, Advanced Analytics) SQL Optimization & HANA Queries Power BI Data Visualization Automated Insight-Driven Reporting 💻 Full-Stack Development Web Apps: ASP.NET Core, MVC, C#, PHP, JavaScript, jQuery Frontend: HTML5, CSS3, Bootstrap Databases: MSSQL, SAP HANA, PostgreSQL, MongoDB ⚡ WooCommerce Development Custom Store Design & Development Theme Customization (Elementor, Divi, WPBakery, etc.) Plugin Development & Customization Secure Payment Gateway Integration (PayPal, Stripe, Authorize.net) ERP & API Integrations (SAP B1, Dynamics 365, Odoo, Salesforce, HubSpot) Maintenance, Security & Performance Optimization ⚡ E-Commerce Management End-to-End Store Setup & Configuration (WooCommerce, Shopify) Product Catalog Management (Bulk Uploads, Variations, Categorization) Order Processing & Inventory Synchronization Customer Accounts & Subscription Handling Shipping & Logistics Integration (DHL, FedEx, UPS, Royal Mail Click & Drop) Store Audits, Maintenance & Growth Strategy ☁️ Cloud & DevOps AWS (Lambda, EC2, S3) & Microsoft Azure Git, CI/CD Pipelines & Deployment Automation 💡 Why Clients Work With Me ✔️ Top Rated Plus – Among the top 3% of talent on Upwork ✔️ ERP Specialist – SAP B1, Integrations & Automation focus ✔️ Proven Track Record – 100% Job Success & consistent ⭐⭐⭐⭐⭐ reviews ✔️ Business Impact – I deliver solutions that cut costs, improve efficiency & scale operations 🚀 What You’ll Gain ✅ Streamlined ERP workflows & processes ✅ Secure, future-ready integrations ✅ Real-time insights with dashboards & reporting ✅ Scalable solutions designed for growth 📩 Let’s Connect! If you’re looking for an SAP Business One (SAP B1) Consultant, ERP Integration Expert, or Full-Stack .NET Developer, I’d love to help. I also offer a FREE 30-minute consultation to understand your goals and suggest the best solution. Best regards, Ahsan Hafeez SAP Business One | ERP Integrations | API Development | .NET C# Developer 🔑 Keywords: SAP Business One, SAP B1, SAP B1 SDK, SAP DI API, SAP Service Layer, SAP B1 Integration, SAP Crystal Reports, SAP HANA, SAP HANA Cloud, SAP S/4HANA, SAP ERP, ERP Automation, API Development, Middleware, Custom Add-On Development, RESTful APIs, SQL Server, Database Optimization, Shopify Integration, WooCommerce Integration, Amazon Vendor Central, Salesforce Integration, Odoo Integration, HubSpot Integration, Business Intelligence, Power BI Reporting, SAP Troubleshooting, Workflow Automation, SAP, SAP ByDesign, SAP ByD, SAP ECC, SAP HANA DB, SAP HANA SQL, SAP Fiori, SAP Fiori UX, SAP Fiori Apps, SAP Dashboards, SAP Pervasive Analytics, Boyum B1 Usability Package, B1UP, SAP Coresuite, SAP Xcelsius, UI API, Server DI API, B1i, B1i Integration Framework, SAP Service Layer API, REST API, SAP Add-ons, SAP Data Migration, Data Transfer Workbench, DTW, Copy Express, Solution Packages, LSMW, SAP Print Layout Designer, PLD, SAP Reporting, SAP Customization, SAP Workflow, SAP ABAP, SAP BADI, SAP Consulting, SAP Business One Developer, SAP B1 SDK Expert, SAP B1 Addon Developer, SAP Business One Integration Specialist, SAP Service Layer API Developer, SAP Business Technology Platform (BTP) Consultant, SAP S/4HANA Developer, SAP S/4HANA Cloud Extension Specialist, SAP S/4HANA API Developer, SAP Cloud SDK Developer, SAP CAP (Cloud Application Programming) Specialist, SAP RAP Developer, SAP Fiori Developer, SAP UI5 Developer, SAP Fiori App Developer, SAP Integration Suite Expert, SAP API Management Consultant, SAP Business One Customization Expert, SAP B1 API Integration Specialist, SAP B1if Integration Specialist, SAP Workflow Automation Expert, SAP Crystal Reports Developer (SAP B1), SAP Crystal Reports Customization Expert, SAP HANA SQL Developer, SAP HANA Cloud Developer, SAP HANA Optimization Consultant, SAP B1 Database , SAP Business One REST API Developer

I am a full-cycle SAP Business One (SAP B1) developer working on end-to-end solutions including SDK add-ons and SAP Business One integrations with external systems. My work covers requirement analysis, development using DI-API, UI-API and Service Layer, SAP HANA / SQL Server queries, deployment, and production support. I have hands-on experience with: • SAP Business One SDK (DI-API, UI-API, Service Layer) • SAP Business One Integrations & Automation • Custom SAP B1 Add-On Development • SAP HANA & SQL Server Reporting • E-Invoicing & Compliance If this all sounds good to you, click the message button and let’s chat (I’ll respond in <30mins if I’m awake). 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: SAP, SAP Business One, SAP B1, SAP ByDesign, SAP ByD, SAP S/4HANA, SAP ECC, SAP HANA, SAP HANA DB, SAP HANA SQL, SAP Crystal Reports, SAP Fiori, SAP Fiori UX, SAP Fiori Apps, SAP Dashboards, SAP Pervasive Analytics, Boyum B1 Usability Package, B1UP, SAP Coresuite, SAP Xcelsius, SAP B1 SDK, DI API, UI API, Server DI API, B1i, B1i Integration Framework, SAP Service Layer API, REST API, SAP Add-ons, SAP Data Migration, Data Transfer Workbench, DTW, Copy Express, Solution Packages, LSMW, SAP Print Layout Designer, PLD, SAP Reporting, SAP Customization, SAP Workflow, SAP ABAP, SAP BADI, SAP Consulting,SAP Business One Developer, SAP B1 SDK Expert, SAP B1 Addon Developer, SAP Business One Integration Specialist, SAP Service Layer API Developer, SAP Business Technology Platform (BTP) Consultant, SAP S/4HANA Developer, SAP S/4HANA Cloud Extension Specialist, SAP S/4HANA API Developer, SAP Cloud SDK Developer, SAP CAP (Cloud Application Programming) Specialist, SAP RAP Developer, SAP Fiori Developer, SAP UI5 Developer, SAP Fiori App Developer, SAP Integration Suite Expert, SAP API Management Consultant, SAP Business One Customization Expert, SAP B1 API Integration Specialist, SAP B1if Integration Specialist, SAP Workflow Automation Expert, SAP Crystal Reports Developer (SAP B1), SAP Crystal Reports Customization Expert, SAP HANA SQL Developer, SAP HANA Cloud Developer, SAP HANA Optimization Consultant, SAP B1 Database Optimization Specialist, SAP Business One REST API Developer, SAP B1 Migration Specialist,SAP Business One (SAP B1) expert in SDK, DI API, UI API, Service Layer, B1if, HANA, Crystal Reports, DTW, PLD, integrations, custom add-ons, reporting, and data migration.

🚀 I help businesses run SAP Business One through natural language — chat, not clicks. Senior SAP B1 Architect with 7+ years building intelligent ERP solutions. 100+ projects delivered across 15+ countries — including SAP Gold Partner engagements (HCC), enterprise clients in KSA (Muntajat), and a multi-tenant SaaS ERP serving exporters in Ecuador (Larkon). ━━━━━━━━━━━━━━━━━━━━━━━━━ 🏆 SIGNATURE WORK ━━━━━━━━━━━━━━━━━━━━━━━━━ → AI & WhatsApp Agents on SAP B1 — 90%+ query accuracy across inventory, customers, invoices, financial analytics. Customers place orders, check balances, approve documents — all via chat. No SAP UI. No VPN. → E-Invoicing across 4 countries — 15 implementations: ZATCA Phase 2 (KSA, 7 clients incl. Muntajat), MegaPrint FEL/DTE (Guatemala, El Salvador), SRI Ecuador (3 clients), and FBR Pakistan. → Larkon — Multi-tenant SaaS ERP architected from scratch on .NET Core 8, PostgreSQL, Redis, SignalR. WhatsApp AI ordering (Gemini), CEO Intelligence dashboard, branch-level tenant isolation. ━━━━━━━━━━━━━━━━━━━━━━━━━ 💡 WHAT I BUILD ━━━━━━━━━━━━━━━━━━━━━━━━━ SAP Business One Engineering → Custom add-ons (DI API, UI API, Service Layer) → Intercompany add-ons (multi-entity transactions) → Windows Services, SQL/HANA optimization → Crystal Reports & analytics suites AI-on-ERP Solutions → WhatsApp AI Agents (Gemini, Claude, OpenAI + RAG) → Conversational reporting ("Show me Q3 trend") → AI-powered OCR for invoice automation → Agentic workflows for SAP B1 Web Portals & Integrations → ASP.NET customer/vendor portals (B1Codex) → Shopify, WooCommerce, Magento ↔ SAP B1 → Power BI integration → 50,000+ orders/year processed E-Invoicing Compliance → ZATCA Phase 2 (Fatoora, UBL 2.1, UUID, PIH) → FEL/DTE LATAM via MegaPrint → SRI Ecuador native API → FBR Pakistan ━━━━━━━━━━━━━━━━━━━━━━━━━ 🎯 WHO I WORK WITH ━━━━━━━━━━━━━━━━━━━━━━━━━ → SAP Gold/Silver Partners hiring senior remote architects → Mid-market enterprises in DACH, GCC, LATAM, North America → ZATCA Phase 2 Wave 23/24 deadline-driven projects → Forward-looking businesses replacing ERP UI with AI 📩 Need an SAP B1 architect who builds — not just configures? Send me a message with your bottleneck, and I'll respond within hours with a clear plan, fixed timeline, and quote.