Hybrid Integration Engineer – ERP/API Data Flows

Hef Associates; Amsterdam; Hybrid; EUR 60,000 - 90,000; Full time

Job summary

Hef Associates is seeking an Integration Consultant to design, build, and test integrations between Ivalua and ERP/finance systems such as SAP, Oracle, and Microsoft Dynamics. You will focus on robust, scalable API-driven data flows in complex environments.

You will work with solution architects and client IT stakeholders, use REST/SOAP APIs, SFTP, and data mapping, and contribute to design docs, SIT/UAT testing, and ongoing framework improvements.

Qualifications

• At least 2 years of experience in integrations or IT consulting.
• Hands-on with APIs (REST/SOAP), XML/JSON, SFTP, and data mapping.
• Understanding of authentication, data transformation, middleware and ETL.
• Experience with Postman, Swagger, SQL, and Excel for data analysis.
• Interest in Ivalua is a plus.
• Excellent communication in Dutch and English.
• Detail-oriented, organized, and documentation-driven.

Responsibilities

• Design, build, and test integrations between Ivalua and ERP/finance systems.
• Configure and troubleshoot Ivalua I/O.
• Work with REST/SOAP APIs, JSON/XML, SFTP, and flat-file transfers.
• Perform data mapping, transformations, and data quality checks.
• Identify and resolve technical issues such as schema mismatches, mapping errors, API timeouts, or integration failures.
• Produce technical design documents, interface specifications, and system architecture documentation.
• Prepare and perform SIT, UAT, end-to-end, and regression testing for integrations.
• Monitor interface logs and proactively resolve incidents.
• Translate technical requirements into actionable implementation tasks.
• Work closely with functional teams to ensure that business processes are aligned with technical feasibility.
• Participate in client meetings, technical workshops, and design sessions.
• Support presales activities that require integration or data expertise.
• Contribute to the ongoing improvement of integration frameworks, templates, and best practices.

Skills

API integrations

Data mapping

REST/SOAP

Troubleshooting

Documentation

English & Dutch

Tools

Postman

Swagger

SQL

Excel

Job description

Hef Associates is seeking an Integration Consultant to design, build, and test integrations between Ivalua and ERP/finance systems such as SAP, Oracle, and Microsoft Dynamics. You will focus on robust, scalable API-driven data flows in complex environments.

You will work with solution architects and client IT stakeholders, use REST/SOAP APIs, SFTP, and data mapping, and contribute to design docs, SIT/UAT testing, and ongoing framework improvements.