Senior Software Engineer, Backend - Data Layer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Software Engineer, Backend - Data Layer based in Netherlands. This is a senior backend engineering role focused on building the data infrastructure behind a large-scale enterprise process platform. You will design and evolve storage, query, and data-processing capabilities across relational databases and Elasticsearch/OpenSearch. Your work will directly influence how process data is stored, retained, queried, monitored, and exposed to customers. You will own substantial engineering initiatives from solution design through delivery, working closely with Product, QA, Support, and SRE. The environment is highly distributed and remote-first, with a strong emphasis on technical ownership, collaboration, and production excellence. You will also contribute to challenging problems around performance, scalability, data pipelines, and reliable operation at scale. The role offers the opportunity to shape a critical data layer while contributing to an increasingly AI-driven enterprise software platform.