SAP S/4HANA ABAP & Fiori Full-Stack Developer

We are seeking a Senior SAP S/4HANA ABAP & Fiori Full-Stack Developer with 10+ years of SAP development experience and strong specialization in S/4HANA-native development. This role focuses exclusively on S/4HANA architecture, following clean-core strategy, leveraging ABAP on HANA, CDS, RAP, and SAP Fiori/UI5, and delivering high-performance, scalable, and upgrade-safe solutions.

The ideal candidate will act as a technical anchor for S/4HANA development initiatives, guiding modernization, quality, and best practices across the landscape., S/4HANA ABAP & Backend Development

Design and implement S/4HANA-native ABAP solutions, adhering to clean-core and extensibility guidelines Develop using Modern ABAP:

Object-Oriented ABAP

Inline declarations, expressions

ABAP SQL optimized for HANA

Build advanced CDS Views:

Basic, Composite, Consumption views

Analytical CDS with annotations

CDS access control (DCL)

Implement ABAP RESTful Application Programming Model (RAP):

Managed and unmanaged scenarios

Behavior definitions and implementations Draft handling and OData V4 exposure Leverage code pushdown techniques to optimize performance on SAP HANA Eliminate obsolete ECC patterns and ensure S/4HANA compatibility across all custom objects SAP Fiori & UI Development (S/4HANA Focused)

Design and develop SAP Fiori applications for S/4HANA using:

SAPUI5 / OpenUI5

Fiori Elements (List Report, Object Page, Analytical List) Extend and adapt standard S/4HANA Fiori apps using key-user and developer extensibility Implement role-based, responsive UX compliant with SAP Fiori design guidelines Consume OData V4 services exposed via RAP/CDS Collaborate with UX and business teams to ensure intuitive user experiences Integration & Extensibility

Expose and consume listed APIs and OData services per S/4HANA extensibility framework Implement in-app and side-by-side extensions aligned with clean-core strategy Integrate S/4HANA with SAP BTP services when required (Workflow, Integration Suite, CAP-based extensions) S/4HANA Transformation & Optimization

Participate in:

S/4HANA greenfield implementations

System conversions and brownfield transformations Refactor legacy custom code using:

Simplification Item Catalog

Custom Code Migration tools

Ensure developments are upgrade-safe, cloud-ready, and future-proof Support continuous optimization and performance tuning on HANA Technical Leadership & Delivery

Act as Senior Developer / Technical Lead for S/4HANA delivery streams

Own:

Technical design

Code quality

Performance and compliance

Perform code reviews and mentor team members on S/4HANA best practices Collaborate with:

Functional consultants

Architects

Basis and Security teams

Provide advanced support for incidents, defects, and production issues Required Skills & Qualifications

10+ years of SAP development experience with strong S/4HANA focus

Proven experience delivering S/4HANA solutions Bachelor’s degree in Computer Science, Engineering, or equivalent experience Core Technical Skills

ABAP on S/4HANA

CDS Views & Annotations

RAP (ABAP RESTful Programming Model)

SAP Fiori/UI5 & Fiori Elements

OData V4

HANA-optimized development

S/4HANA extensibility concepts (In-App, Side-by-Side) Transport & release management in S/4 landscapes Functional Exposure (Preferred)

Hands-on technical work experience in at least one S/4HANA business area