JP3371 - Full Stack SAP Developer (S4HANA & BTP)

Project overview

For Gasunie, Harvey Nash is looking for a Full Stack SAP Developer (S4HANA & BTP)

Responsibilities

Develop and maintain SAP applications on S/4HANA and BTP.

Build Fiori apps and UI5 interfaces for an optimal user experience.

Develop backend logic in ABAP and/or CAP (Cloud Application Programming Model).

Integrate systems via OData, REST APIs, and SAP Integration Suite.

Participate in migration and modernization projects towards the cloud.

Actively contribute to Agile/SCRUM teams and DevOps processes.

What do we ask?

HBO/WO work and thinking level.

Minimum 10 years of experience with SAP development (ABAP, UI5/Fiori).

Experience with SAP BTP and cloud extensions.

Knowledge of integration patterns and API development.

Experience with Agile/SCRUM and CI/CD.

Strong analytical and communication skills.

Proactive attitude and passion for innovation.

Gasunie:

Gasunie is a European network company for energy. In the Netherlands and Northern Germany, we manage and maintain the infrastructure for large-scale gas transport and storage. Currently, this is mainly natural gas. With the energy transition, this will increasingly shift towards green gas and hydrogen. We also contribute to the construction and management of networks for heat and CO2. As a 100% state-owned company, we ensure that this part of the energy supply is carried out safely, uninterruptedly, and as sustainably as possible. So that everyone can always have access to energy.

About the department:

Within the SAP Competence Center (IAS department), we work with multidisciplinary teams around business processes (Finance, HR, Maintenance, Logistics, and Procurement) and technology (Basis). Our team consists of 50 ICT professionals. Our common goal is to achieve the best possible service for our customers. The core values of our team are: decisiveness, results-oriented, creative, communicative, and customer-oriented.

Project details

Groningen (hybrid working possible)

Number of hours per week: 32 to 36 hours per week

Assignment term: 11-16-2026 to 12-31-2026 first agreement. Expected end date thereafter: 06-30-2027

Generic function: ICT advice 70

FG70, all-in, end € 120.00 - € 128.00

Salary from €5903 to €8070 gross per month (scale FG70), based on a full-time employment. In addition, you will receive a fixed 13th month (holiday pay) and 14th month

20 vacation days for a full-time employment. Do you want more days off? With your flexible choice budget, you can buy up to 27.5 extra vacation days.

Commuting costs home-work €0.23 per km

A monthly home office allowance of €24.50 (net)

Application deadline: 10-29-2026 at 12:00 PM

Interview date: 11-05-2026, all day

We are open to different contract types for this assignment:

Salaried employment - Classification in accordance with the applicable collective labor agreement.

ZZP - Based on a contract of assignment.

Important conditions for ZZP engagement:

The assignment is carried out as an independent entrepreneur, without employer authority or integration into the organization;

There is a clear assignment description with concrete deliverables;

The engagement must fit within the current DBA guidelines.

When hired through a supplier, the agreed rates and conditions apply in accordance with the mediation agreement. Salaried employees are classified according to the applicable collective labor agreement.

Supplier conditions

Offering ZZPs through a supplier is only permitted if this is explicitly done at the request of the ZZP concerned. In that case, only a fee-only arrangement applies.

Upon award, a fee agreement will be concluded with a term of 12 months.

What will you do?

As an experienced Full Stack SAP Developer, you are a key player in realizing innovative solutions within our SAP landscape. You will work on the development, integration, and optimization of applications on SAP S4HANA and the SAP Business Technology Platform (BTP). You will translate complex business processes into robust technical solutions and contribute to the digital transformation of our organization.

You will develop both front-end (SAPUI5/Fiori) and back-end (ABAP, CAP, Node.js, Java) components and ensure seamless integrations with cloud services and on-premise systems. You will also work on APIs, extensions, and apps that support our business processes, such as asset management, logistics, and finance. Innovation is central: you will leverage the capabilities of SAP BTP services such as Integration Suite, Process Automation, Workzone, and Event Mesh to build scalable and future-proof solutions.

• Start: flexible
• Remote: hybrid
• Location: Groningen, NL
• Languages: Dutch