Senior SAP ABAP Developer - HR Data Migration Support (Freelance, Remote)

We are currently supporting an international client in the automotive sector with the stabilization and maintenance of an existing SAP HR master data migration solution. The technical setup is already in place. HR master data is currently being transferred from a legacy SAP environment into the new company SAP system. The client is therefore not looking for a developer to build a new solution , but for an experienced ABAP specialist who can support the team with occasional technical issues, debugging and small adjustments. The assignment is expected to require approximately 4 hours per week and is particularly suitable for a senior SAP freelancer who can provide flexible support alongside another project. Start: ASAP Workload: Approx. 4 hours/week Duration: Long-term / ongoing support Location: 100% remote Team location: Mainly Romania Language: English Contract type: Freelance / B2B Analyze and troubleshoot issues in existing SAP ABAP developments Debug and correct existing custom programs and reportsImplement small adjustments and enhancements where required Support HR master data migration and data processing between SAP systems Analyze and resolve data inconsistencies and processing errors Troubleshoot SAP background jobs and custom interfaces Work with existing custom tables, reports, function modules and RFC-based processes Support testing and validation of implemented fixes Document technical changes where required Collaborate directly with the international HR IT team The role is based on an already implemented SAP HCM master-data landscape with custom reports, RFC-based transfers, snapshot/staging tables and scheduled background jobs. Several years of hands-on SAP ABAP development experience Strong ABAP debugging and troubleshooting skills Proven experience maintaining and modifying existing custom developments Good understanding of SAP tables, reports, function modules and background jobs Experience with RFC-based interfaces or SAP-to-SAP data transfers Ability to quickly understand an existing technical setup with limited onboarding Strong analytical and problem-solving skills Independent and pragmatic working style Fluent English