Freelance/Contract SAP ABAP Developer (E-Invoicing) - Remote - Europe
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Location
Remote
Engagement Type
On-Demand Contractor
Work Arrangement
* 0-20 hours per week
* Work assigned based on project demand
* Flexible, as-needed engagement model
* Long-term opportunity for the right consultant
Position Summary
We are seeking an experienced SAP ABAP Developer to provide on-demand development and support services across SAP landscapes. The successful consultant will support enhancement, integration, compliance, and maintenance activities, working closely with functional and technical teams to deliver high-quality SAP solutions.
A key focus of this role will be supporting Poland eInvoicing (KSeF) requirements, including integration development, XML processing, compliance validation, and submission management.
Key Responsibilities
* Design, develop, and maintain SAP ABAP objects including Reports, Interfaces, Conversions, Enhancements, Forms, and Workflows (RICEF).
* Develop and support integrations using IDocs, RFCs, OData services, APIs, and web services.
* Translate business and functional requirements into scalable technical solutions.
* Troubleshoot and resolve production issues, performance bottlenecks, and integration failures.
* Support SAP enhancement and compliance initiatives, including country-specific regulatory requirements.
* Perform technical analysis, impact assessments, and root cause investigations.
* Prepare and maintain technical specifications, design documentation, and support materials.
* Collaborate with SAP functional teams and business stakeholders to deliver effective solutions.
Required Skills & Experience
* 5+ years of SAP ABAP development experience.
* Strong hands-on experience with:
o Classical and OO ABAP
o ALV Reporting
o User Exits, BAdIs and Enhancements
o SmartForms, SAPscript and Adobe Forms
o Performance tuning and optimisation
* Experience developing and supporting:
o IDocs
o RFCs/BAPIs
o OData Services
o REST/SOAP APIs
o Web Services
* Experience working with SAP ECC and/or SAP S/4HANA environments.
* Strong troubleshooting and production support capabilities.
Mandatory Requirement
Poland eInvoicing (KSeF)
Candidates must have hands-on experience supporting Poland's National e-Invoicing System (KSeF), including:
* KSeF integration development
* XML generation and validation
* Submission and response handling
* Error management and monitoring
* Compliance with Polish eInvoicing regulations
* SAP integration with KSeF services
Preferred Skills
* SAP S/4HANA development experience
o CDS Views
o AMDP
o New ABAP syntax
* Functional understanding of SAP FI, SD and MM processes.
* SAP Fiori/UI5 development experience.
* Experience supporting global eInvoicing or digital tax compliance initiatives.
* Knowledge of SAP Integration Suite or middleware platforms.
Ideal Candidate
You are a hands-on SAP ABAP developer who can quickly understand existing solutions, troubleshoot issues independently, and deliver high-quality technical enhancements. You have practical experience supporting regulatory compliance initiatives, particularly KSeF, and are comfortable operating in a flexible, on-demand support model. xsngvjr
Remote working/work at home options are available for this role.