Senior SAP Developer – SAP ABAP S/4HANA

Number of positions: 1, 9-month initial contract, possible extension)

Location: Toronto, ON (Hybrid – 3 days in office)

Must be eligible to work in Canada

Roles and responsibilities:

We are seeking a seasoned Senior SAP Software Developer to join a dynamic Corporate Solutions Technology team. In this role, you will play a critical part in supporting and enhancing existing custom code, optimizing system performance, and driving key strategic initiatives—including an SAP ECC 6.0 to S/4HANA migration and BTP integrations with SAP SuccessFactors.

This position is ideal for an expert with deep technical mastery in ABAP, S/4HANA Finance, SAP Business Technology Platform (BTP), and SAP Business Data Cloud (BDC) who can help advance modern cloud application development, process automation, and clean-core principles.

Key Responsibilities

- System Migration & Optimization: Support the transition from SAP ECC to S/4HANA by refactoring legacy code, adapting to recent data models, and leveraging native S/4HANA capabilities.
- BTP & Cloud Development: Design, develop, and deploy scalable solutions using SAP BTP and BDC (including CAP, RAP, Fiori/UI5, SAP Integration Suite, and extension services). Partner with architects to enable clean-core strategies and side-by-side extensions.
- Core ABAP Maintenance: Enhance and maintain existing ABAP custom code across SAP Finance and Payroll modules (FI, CO, AP,



AR, MM) to ensure production stability in a high-volume environment.
- Integrations & Monitoring: Support ECC to SAP SuccessFactors integrations and monitor data flows between SAP and external systems to maintain optimal system performance.
- Collaboration & Governance: Participate in code reviews, unit testing, and technical documentation while providing guidance and mentorship to junior team members.

Required Skills & Experience

- 10+ Years of SAP ABAP Experience: Proven track record with custom reports, enhancements, interfaces, and forms in SAP ECC and S/4HANA Finance.
- SAP BTP Expertise: Hands-on experience with BTP capabilities, extension patterns, Fiori/UI5, CDS views, OData services, and clean-core principles.
- SAP BDC Proficiency: Strong background in SAP Business Data Cloud, including data integration, modeling, governance, and connecting SAP/non-SAP data sources.
- Migration Experience: Demonstrated hands-on experience in SAP ECC to S/4HANA migration projects.
- Troubleshooting & Performance: Deep knowledge of system performance tuning, debugging, transport management, and integration monitoring.

Preferred Qualifications

- Experience with SAP Concur, SWIFT integrations, or other financial platforms.
- Background in the Financial Services or Wealth Management sectors.
- Familiarity with Agile/DevOps methodologies.

📌 Senior SAP Developer (Greater Toronto Area)
🏢 Randstad Digital
📍 Greater Toronto Area