Graph Database Engineer

Graph Database Engineer

Type: B2B contract

Working hours: 9:00–17:00 CET

Team: International (Poland, US, Netherlands)

Join us!

We’re looking for an experienced Graph Database Engineer who’s passionate about data relationships, performance, and scalability.If you enjoy working with Neo4j, Java, and modern data-driven systems — this project will let you build something that truly matters.You’ll work in an international environment with experts who value good engineering, autonomy, and knowledge sharing.

Your role

As a Graph Database Engineer, you’ll be the key person responsible for maintaining and evolving the graph data architecture behind the platform.

You will:

• Design and optimize graph data models in Neo4j

• Write and tune Cypher queries and data pipelines

• Develop custom plugins and API integrations in Java

• Improve performance, indexing, and schema design

• Collaborate with data scientists on graph analytics and recommendation engines

• Document architecture and support the onboarding of new engineers

What we expect

• 8+ years of professional experience in software development

• 3+ years working directly with Neo4j and Cypher

• Strong skills in Java and solid understanding of graph theory

• Experience with distributed systems and cloud platforms (AWS / Azure / GCP)

• Familiarity with CI/CD and automation practices

• Higher education in Computer Science, Mathematics, Physics, or a similar field

Nice to have:

• Academic or research experience (lecturer, professor, researcher)

• MSc or PhD degree in a technical discipline

• Experience with knowledge graphs, semantic modeling, or ML integrations

• Certifications like Neo4j Certified Professional or AWS Data Engineer

We offer

• 100% remote work with an international, English-speaking team

• Long-term B2B contract

• 210 PLN/h net

• Regular working hours (9:00–17:00 CET)

• Involvement in a high-impact, technically advanced project

• A collaborative environment where your expertise really counts

Sounds like a good match?Apply now and help us build the next generation of graph-based data systems.