Developer (Neo4j / Graph DB)

Description

Job Summary: We are seeking a graph database expert to join a new project, responsible for transforming relational data into knowledge networks using Neo4j. Key Highlights: 1. Responsibility for the graph data layer with autonomy 2. Design architecture and implement solution with Neo4j 3. Work with PostgreSQL data and optimize for performance GM Flow is a small-to-midsize process automation consultancy in Portugal (gmflow.pt), and we are now launching a new project with a major client. We are looking for a graph database expert to join this project, which is already in the development phase. If you know how to transform relational data into knowledge networks and have experience with Neo4j, we want to speak with you. You will assume responsibility for the graph data layer, with autonomy to advise the team, design the architecture, and implement the solution. Initially, you will work directly with the client during consulting sessions (approximately 3 hours/day for 5 days), requiring physical presence (we can cover accommodation and travel expenses). Afterwards, there follows an implementation phase of approximately 150 hours over one month (~8 hours/day). On a day-to-day basis, you will design the graph schema (nodes, relationships, and properties) with focus on performance and scalability, implement Neo4j, and support technical decisions. You will also work with data sourced from PostgreSQL (fed by web scraping), ensuring the structure aligns with the model. You may also intervene in data extraction, providing technical feedback and adjusting the process as needed. We seek someone capable of translating business problems into efficient graph models, with autonomy, a consulting mindset, and critical thinking. Compensation ranges between €15 and €50/hour, depending on experience. If all goes well, there is a strong possibility of continuing with us after the project. We pay €150 per referral if you recommend someone who is selected. We need someone yesterday. If you know someone with this profile (or if it's you), please message us at \+351 965 074 892 (WhatsApp or call). **The original job posting can be found at:** https://www.itjobs.pt/oferta/512476/developer\-neo4j\-graph\-db