
Consultant - SAP S4Hana (Vertex O-Series Developer)
- Mumbai, Maharashtra
- Permanent
- Full-time
- Responsible for designing, developing, and maintaining Vertex O'Series with SAP S/4HANA to meet specific business needs ensuring seamless real-time tax calculation across order-to-cash and procure-to-pay processes.
- Design, develop, and deploy robust custom enhancements, user exits, BADIs, and integration points using ABAP to enable accurate and automated tax determination, calculation, and reporting.
- Ensure the smooth configuration and mapping of tax data between SAP and Vertex, including jurisdiction codes, tax conditions, and reporting structures.
- Work closely with Siemens IT, CF T experts, SAP Basis and Security teams to ensure optimal system performance, system integration, and compliance with regulatory standards.
- Integrate Vertex O'Series with other systems such as SAP ERP, S/4HANA core modules (e.g. SD, MM, FI), and other external systems.
- Ensure user documentation, test plans, and technical solution design documents are up-to-date and align with the internal project standards.
- Provide guidance and mentorship to support teams during UAT, release, and hypercare phases.
- You systematically identify and propose solutions for process improvements, technical issue resolution, as well as standardization, harmonization and automation in customs-related business processes to ensure compliance across customs processes.
- A Bachelor's or Master's degree or equivalent experience in Computer Science, Engineering, Information Systems, or a related field or have acquired a comparable qualification.
- You bring 4-5 years of hands-on SAP development experience.
- Demonstrable experience with Vertex O Series integration into SAP S/4HANA, especially for indirect tax determination and calculation.
- Deep understanding of and experience with SAP tax procedures, condition techniques, and how tax determination works within FI, SD, and MM modules.
- Proficiency in ABAP, OO ABAP, BAPIs, IDocs, ALE, RFCs, BADIs, and User Exits.
- Familiarity with S/4HANA architecture and best practices for embedded tax and external tax engine integration.
- Experience with SAP Fiori, SAP BTP, or SAP CPI is a plus
- Strong analytical, problem-solving, and debugging skills.
- Effective communication and collaboration skills to interact with business stakeholders, project managers, and cross-functional teams.
- Vertex certification or training is a strong advantage.
- Business fluent English skills are required, both written and spoken.