Chaitanya Ariba

Senior SAP Consultant with 17 years of expertise in SAP ABAP, MM, and Ariba, specializing in end-to-end development including reports, ALV, interfaces, enhancements, BAdIs, CDS views, HANA Embedded BW, AMDP, Fiori, and business workflows. Proven track record in S/4HANA environments, delivering SAP Clean Core-compliant solutions across SDLC phases with expertise in RAP (RESTful ABAP Programming), OData services, VDM-compliant CDS artifacts, and SAP BTP integrations. Strong technical leadership in SAP PO/PI, API-based integrations, and SCM/MM procurement cycles, translating complex business requirements into scalable automation and cloud solutions.

DASSM-certified professional experienced in Agile and Waterfall methodologies using Jira and ServiceNow, collaborating with architects, functional consultants, and stakeholders to deliver quality-focused outcomes.

Senior Consultant — SAP ABAP & Integration at IBM (2024-02 – Present)

• Designed and developed SAP ABAP solutions including reports, interfaces, enhancements, and forms for Ariba, MM, and cloud-integrated environments.
• Implemented integration solutions using SAP BTP, Fiori, and REST APIs to enable seamless connectivity between SAP Ariba and backend SAP systems.
• Created and maintained SAP Fiori applications with UI enhancements to improve user experience and business process efficiency.
• Designed, developed, and optimized CDS Views (Basic, Composite, and Consumption layers) to support analytical reporting, Fiori apps, and OData service exposure.
• Implemented and enhanced BW-ABAP routines for complex transformations; managed data extraction and transformation in SAP BW and SAP BPC systems.
• Debugged and improved BW programs and data flows for optimal performance; applied ABAP expertise to BW enhancements and customizations.
• Collaborated with Technical Business Analysts to ensure compliance and alignment with internal standards throughout development and delivery.
• Prepared technical specifications, functional mappings, and development documentation for custom objects and integration solutions.
• Conducted code reviews, unit testing, integration testing, and provided UAT support ensuring quality delivery aligned with SAP Clean Core principles.
• Collaborated with SAP architects, functional consultants, testing teams, and client stakeholders throughout delivery.

Senior ABAP Integration Testing Consultant at Air Canada (2025-01 – 2025-09)

• Monitored and resolved integration issues between SAP MM, Ariba, and backend systems through root cause analysis and cross-functional coordination.
• Validated end-to-end purchase order, supplier, and invoice flows across integrated systems ensuring process accuracy and data integrity.
• Configured and enhanced SAP HANA MM processes including procurement master data, purchasing cycles, and inventory management.
• Assisted with SAP PO/PI and API-based integrations; collaborated with MM functional consultants, Ariba consultants, and business users.
• Prepared technical specifications executed unit testing, and supported SIT/UAT cycles ensuring stable and defect-free delivery.

ABAP Package Consultant at Government of Manitoba (2024-02 – 2024-12)

• Provided technical support during ERP Modernization program by resolving system issues, validating processes, and ensuring smooth business operations.
• Investigated production and test environment errors through debugging and log analysis, coordinating with teams to implement fixes.
• Supported custom ABAP objects, reports, interfaces, and enhancements for SCM-related business processes ensuring system stability.
• Validated master data and transaction data during modernization activities, maintaining data accuracy across SAP processes.
• Contributed to testing and defect resolution efforts supporting unit testing, SIT, and business validation for SCM changes.

SAP Techno Functional Consultant at Bharat Dynamics Ltd. (Public Sector — Ministry of Defence, India) (2020-02 – 2024-01)

• Provided technical support for SAP SCM and HR modules, resolving system issues, validating transactions, and ensuring business continuity.
• Developed data-specific reports for Ministry of Defence queries enabling accurate and timely access to business-critical information.
• Designed and delivered custom ABAP reports, interfaces, and enhancements aligned with SCM and HR business processes.
• Independently resolved complex ABAP logic issues using expert analytical skills to troubleshoot problems and maintain system efficiency.
• Ensured system performance, data accuracy, and compliance with best practices across SAP SCM and HR environments.
• Analyzed functional requirements, performed debugging, and implemented corrective solutions for system issues and enhancements.
• Collaborated with functional users and stakeholders ensuring reliable data handling, process continuity, and timely solution delivery.

SAP Technical Business Analyst at Bharat Dynamics Ltd. (Public Sector — Ministry of Defence, India) (2014-05 – 2020-01)

• Gathered and analyzed business requirements from Ministry of Defence stakeholders, translating them into functional and technical deliverables.
• Provided SAP expertise and guidance to Functional Business Analysts, bridging technical capabilities with business process requirements.
• Developed reports, process flows, and system functionality to meet project requirements and improve business data visibility.
• Coordinated stakeholder meetings and workshops to validate requirements, review solution design, and ensure project alignment.
• Supported testing activities, including unit testing, integration testing, and UAT to confirm solution accuracy and business readiness.
• Conducted post-go-live workshops to support user adoption, address issues, and ensure smooth production transition.

Senior SAP ABAP Consultant at IBM India Pvt. Ltd., Hyderabad (2010-10 – 2014-04)

• Managed MM enhancements delivery from offshore, coordinating with system partners for requirements gathering and technical analysis.
• Delivered multiple ABAP interfaces, classical and interactive reports, Smart Forms, module pool programming, and Web Dynpro applications.
• Provided deliverable estimates, prioritized development activities, and organized monthly and quarterly releases of ABAP objects.
• Led weekly status meetings to discuss incidents, development progress, challenges, and resolution strategies.
• Performed debugging and performance optimization, ensuring efficient and stable SAP system operations.

SAP ABAP Trainer & Program Coordinator at Mahindra Satyam, Hyderabad (2006-10 – 2010-09)

• Trained entry-level professionals on SAP ABAP development concepts, best practices, and hands-on programming techniques.
• Coordinated training programs managing curriculum delivery, trainee progress tracking, and program effectiveness.

B.Tech. in Computer Science & Engineering – Jawaharlal Nehru Technological University (2006)