Knowledge Graph Architect for AI & Data Solutions

ApplyMint; Rotterdam; On-site; EUR 90,000 - 130,000; Full time

Job summary

Mendix, a Siemens business, is seeking a Solutions Engineer focused on data and graphs. You will design knowledge graphs, own graph architecture, and turn customer implementations into reusable patterns. You’ll contribute to GTM efforts and analyst engagements, acting as the team expert in data and graph.

You will collaborate with cross-functional teams across product, GTM, engineering, and customer stakeholders to drive validated technical proofs and scalable narratives.

Qualifications

• Hands-on experience designing and building knowledge graphs and ontologies.
• Strong understanding of graph data modelling, semantic modelling, and ontology design.
• Experience with graph database platforms and query languages (SPARQL, Cypher, or equivalent).
• Data engineering fundamentals: pipelines, data preparation, and integration with enterprise systems.

Responsibilities

• Design and build knowledge graphs and ontologies that underpin Mendix's AI solutions and customer implementations.
• Own the data and graph architecture workstream within integrated team solutions.
• Turn validated customer work into reusable assets: reference architectures, blueprints, accelerators, and repeatable patterns.
• Contribute to customer engagements, events, and analyst briefings as the team's data and graph expert.
• Ground GTM positioning with validated technical proof points and executive demos.

Skills

Knowledge graphs

Graph data modelling

Ontology design

Semantic modelling

Data engineering basics

Clear technical narratives

Cross-functional collaboration

Tools

SPARQL

Cypher

Neo4j

Job description

Mendix, a Siemens business, is seeking a Solutions Engineer focused on data and graphs. You will design knowledge graphs, own graph architecture, and turn customer implementations into reusable patterns. You’ll contribute to GTM efforts and analyst engagements, acting as the team expert in data and graph.

You will collaborate with cross-functional teams across product, GTM, engineering, and customer stakeholders to drive validated technical proofs and scalable narratives.