Freelance Backend Developer / Integration Specialist – SAP S/4HANA Cloud (m/f/d)

About the Position

We are seeking an experienced Freelance Backend Developer / Integration Specialist to connect our منصة التكامل الذكي (SIP) with our clients’ SAP S/4HANA Cloud systems. This role is fully remote and offers flexible, project-based allocation.

Responsibilities

• API Architecture & Integration: Design and implement OData (v2/v4) and REST API integrations between our platform and SAP S/4HANA Cloud.
• SAP Configuration Setup: Configure SAP Communication Scenarios, Communication Systems, and Users (e.g., SAP_COM_0008, SAP_COM_0009, SAP_COM_0002).
• Bidirectional Data Flow:
  • Implement incremental delta loads (filtering via LastChangeDateTime and Delta Tokens) for business partners, products, and balances.
  • Develop write-back mechanisms (PATCH/POST using CSRF token handling) to update status fields and Custom Fields (YY1_).
• Security & Resilience: Set up OAuth 2.0 / Basic Authentication, robust error handling, exponential backoff retries, and server-side pagination ($skiptoken).
• Documentation & Testing: Maintain clear API integration documentation and assist in onboarding client SAP environments.

Requirements

• Proven Experience: Track record in backend development with hands-on experience integrating SAP S/4HANA Cloud (Public/Private Edition) via the SAP Business Accelerator Hub.
• SAP API Expertise: Deep knowledge of standard SAP OData services, specifically:
  • API_BUSINESS_PARTNER
  • API_PRODUCT_SRV
  • API_SUPPLIERBALANCE_SRV
  • API_PURCHASING_INFORECORD
• Modern Tech Stack: Proficiency in backend technologies (e.g., Node.js/TypeScript, Python, Java, Go, or.NET/C#) and REST/OData protocols.
• Business Domain Knowledge: Solid understanding of SAP master data structures (Suppliers/Business Partners, Materials/PIRs) and basic Accounts Payable processes.
• Autonomy: Ability to work independently, troubleshoot integration hurdles, and liaise with client-side SAP administrators.
• Languages: Professional fluency in English (German is a plus).

We Offer

• 100% Remote Work: Full flexibility to work from anywhere.
• Streamlined Scope: Clear deliverables with direct communication and no unnecessary corporate bureaucracy.
• Fair Compensation: Transparent hourly/daily billing based on actual time and effort.
• Future Project Potential: Opportunity for ongoing follow-up projects as we scale and onboard additional client systems.

About the Company

Smart Integrity Platform تمكين الامتثال العالمي بالذكاء الاصطناعي. We provide an overview of our platform, explore all modules, and offer a compliance gateway. Our resources include a blog, webinars, and events. Learn more about us, become a partner, view our careers, and contact us.

How to Apply

Please submit your Resume / Project List, your hourly rate (in EUR, ex. VAT), and your earliest availability to: نموذج طلب.

نود أن نسمع منك. تقدم بطلب الآن وسنرد عليك في غضون 5 أيام عمل.