Senior SAP BTP Technical Architect / Lead Developer to support a major SAP S/4HANA implementation

Our client is seeking aSenior SAP BTP Technical Architect / Lead Developer to support a major SAP S/4HANA implementation project.

The ideal candidate will bring deep hands-on technical expertise in SAP Business Technology Platform (BTP), SAP Cloud Platform Integration (CPI) / Integration Suite, and ABAP development on BTP.

This individual will play a key role in designing, developing, and implementing scalable SAP integration solutions, supporting the migration and modernization of enterprise applications within the SAP S/4HANA landscape.

The successful candidate must be capable of providing technical leadership and architectural guidance while remaining actively involved in hands-on development.

Work Mode - Remote with some travel to Montreal

Duration - 6 months plus extension

Key Responsibilities

SAP BTP Architecture & Development

• Lead the design, development, and implementation of solutions using SAP Business Technology Platform (BTP).
• Define technical architecture, integration patterns, and development standards aligned with the SAP S/4HANA implementation.
• Design and develop cloud-based applications, extensions, and integrations leveraging SAP BTP services.
• Apply SAP Clean Core principles to ensure scalable, maintainable, and upgrade-friendly solutions.
• Provide technical leadership, guidance, and code reviews for SAP development teams.

SAP CPI / Integration Suite

• Design, develop, configure, and maintain integrations using SAP CPI / SAP Integration Suite.
• Build and manage integration flows (iFlows) connecting SAP S/4HANA with SAP and non-SAP systems.
• Implement API-based integrations using REST, SOAP, OData, and other relevant protocols.
• Configure integration mappings, transformations, connectivity, security, and error-handling mechanisms.
• Troubleshoot integration issues and optimize performance, reliability, and scalability.
• Support integration testing, deployment, and production readiness activities.

ABAP Development on BTP

• Develop and enhance applications using ABAP Cloud and the SAP BTP ABAP Environment.
• Apply modern SAP development frameworks, including ABAP RESTful Application Programming Model (RAP).
• Develop APIs, services, and extensions supporting SAP S/4HANA business processes.
• Support the modernization of legacy ABAP customizations using cloud-compatible development approaches.
• Ensure adherence to SAP development standards, security requirements, and Clean Core architecture.

SAP S/4HANA Implementation

• Collaborate with SAP functional consultants, solution architects, and business stakeholders throughout the implementation lifecycle.
• Design and implement integrations between SAP S/4HANA and surrounding enterprise applications.
• Participate in technical design workshops, architecture reviews, and solution validation.
• Support system integration testing (SIT), user acceptance testing (UAT), cutover, go-live, and hypercare.
• Identify technical risks and recommend appropriate solutions.

Required Qualifications & Experience

• 10+ years of SAP technical development and/or architecture experience, preferably including leadership responsibilities.
• Extensive hands-on experience with SAP BTP, including application development, extensions, and integration services.
• Strong expertise in SAP CPI / SAP Integration Suite, including complex integration design and development.
• Advanced knowledge of ABAP development, including ABAP Cloud and ABAP on BTP.
• Experience with SAP S/4HANA implementations, ideally in a greenfield or large-scale transformation environment.
• Strong understanding of SAP integration architecture, APIs, OData, REST, SOAP, and middleware technologies.
• Experience with SAP Cloud Connector, connectivity configurations, and secure integration patterns.
• Knowledge of SAP RAP, CDS Views, and modern ABAP development practices.
• Demonstrated ability to translate business and technical requirements into scalable integration solutions.
• Experience leading technical design discussions and providing architectural recommendations.
• Strong troubleshooting, analytical, communication, and stakeholder management skills.
• Ability to work independently and take ownership of complex technical deliverables.

Ideal Candidate Profile

We are looking for a hands-on SAP technical architect or senior lead developer, not someone whose experience is limited to high-level solution design.

The ideal candidate will demonstrate:

• Deep, practical expertise in SAP BTP and CPI / Integration Suite.
• Strong hands-on ABAP Cloud development experience.
• Proven experience designing and implementing integrations in an SAP S/4HANA environment.
• The ability to lead technical architecture discussions while independently developing and troubleshooting solutions.
• Strong ownership, problem-solving capabilities, and experience delivering complex SAP transformation projects.