Graph DB Engineer

YO AI Labs; Amsterdam; On-site; EUR 70,000 - 95,000; Full time

Job summary

YO AI Labs is seeking a Graph DB Engineer in Amsterdam. The role requires minimum 8 years of experience in Java/Kotlin and proven expertise in graph databases such as Neo4j or AWS Neptune.

You will design and optimize graph database solutions, develop backend services, and build microservices architectures. Join us to translate business requirements into technical solutions while collaborating with a cross-functional team.

Qualifications

• Minimum 8 years of hands-on experience in Java/Kotlin.
• Proven expertise with Neo4j, AWS Neptune, or equivalent graph database technologies.
• Strong proficiency in query languages like Cypher or SPARQL.
• Deep understanding of data modeling principles.
• Experience designing microservices-based systems.
• Solid knowledge of REST API design.
• Working knowledge of AWS or other cloud environments.

Responsibilities

• Design, develop, and optimize graph database solutions.
• Write efficient queries using graph query languages.
• Develop robust backend services using Java or Kotlin.
• Implement data models for complex relational structures.
• Build microservices architectures with REST APIs.
• Collaborate to translate business requirements into solutions.
• Optimize database performance for large-scale data pipelines.
• Participate in code reviews and documentation.

Skills

Java/Kotlin

Graph Databases (Neo4j, Neptune)

Cypher/SPARQL

Data Modeling

Microservices Architecture

REST APIs

Cloud Platforms (AWS)

Job description

Job Description

• Job title: Graph DB Engineer
• Experience: 8-18 Years
• Location: Amsterdam, Netherlands
• Job Type: Full-time

Must Haves

• Min 8 yrs hands‑on experience in Java/Kotlin.
• Experience with Graph Databases like Neo4j or Neptune.
• Experience in query languages (Cypher or SPARQL).
• Good understanding of data modeling, microservices, and REST APIs and exposure to cloud platforms.

Qualifications

• Backend Development: 9+ years of hands‑on experience with Java or Kotlin.
• Graph Databases: Proven expertise with Neo4j, AWS Neptune, or equivalent graph database technologies.
• Query Languages: Strong proficiency in Cypher, SPARQL, or similar graph query languages.
• Data Modeling: Deep understanding of data modeling principles and best practices.
• Microservices Architecture: Experience designing and building microservices-based systems.
• REST APIs: Solid knowledge of REST API design and implementation.
• Cloud Platforms: Working knowledge of AWS or other cloud environments.
• Location: Based in Amsterdam, Netherlands, or willing to relocate.

Key Responsibilities

• Design, develop, and optimize graph database solutions using Neo4j, AWS Neptune, or similar technologies.
• Write efficient queries using Cypher, SPARQL, and other graph query languages.
• Develop and maintain robust backend services using Java or Kotlin.
• Design and implement data models for complex relational structures.
• Build and integrate microservices architectures with REST APIs.
• Collaborate with cross-functional teams to translate business requirements into technical solutions.
• Optimize database performance and ensure scalability for large‑scale data pipelines.
• Participate in code reviews and contribute to best practices documentation.