Senior SAP S/4HANA ABAP & Fiori Full‑Stack Developer

Senior SAP S/4HANA ABAP & Fiori Full‑Stack Developer (10+ Years)

Job Summary

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.

Key Responsibilities

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

Experience & Education

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:

SD / Order‑to‑Cash (O2C)

MM / Procure‑to‑Pay (P2P)

FI / CO

Strong understanding of end‑to‑end business processes in S/4HANA