Senior Data Platform Engineer at Crystal Intelligence

<p><strong>Position Summary:</strong> <br> <br>We are looking for a talented Senior Data Platform Engineer to join our Blockchain team, to participate in the development of the data collection and processing framework to integrate new chains. This is a remote role and we are flexible with considering applications from anywhere in Europe. <br> <br>More details: crystalblockchain.com <br> <br><strong>Duties and responsibilities:</strong> </p><ul><li>Integration of blockchains, Automated Market Maker (AMM) protocols, and bridges within Crystal's platform; </li></ul><ul><li>Active participation in development and maintenance of our data pipelines and backend services; </li></ul><ul><li>Integrate new technologies into our processes and tools; </li></ul><ul><li>End-to-end feature designing and implementation; </li></ul><ul><li>Code, debug, test and deliver features and improvements in a continuous manner; </li></ul><ul><li>Provide code review, assistance and feedback for other team members. </li></ul><p><strong>Required:</strong> </p><ul><li>8+ years of experience developing Python backend services and APIs; </li></ul><ul><li>Advanced knowledge of SQL - ability to write, understand and debug complex queries; </li></ul><ul><li>Data Warehousing and database basic architecture principles; </li></ul><ul><li>POSIX/Unix/Linux ecosystem knowledge; </li></ul><ul><li>Strong knowledge and experience with Python, and API frameworks such as Flask or FastAPI; </li></ul><ul><li>Knowledge about blockchain technologies or willingness to learn; </li></ul><ul><li>Experience with PostgreSQL database system; </li></ul><ul><li>Knowledge of Unit Testing principles; </li></ul><ul><li>Experience with Docker containers and proven ability to migrate existing services; </li></ul><ul><li>Independent and autonomous way of working; </li></ul><ul><li>Team-oriented work and good communication skills are an asset. </li></ul><p><strong>Would be a plus:</strong> </p><ul><li>Practical experience in big data and frameworks – Kafka, Spark, Flink, Data Lakes and Analytical Databases such as ClickHouse; </li></ul><ul><li>Knowledge of Kubernetes and Infrastructure as Code – Terraform and Ansible; </li></ul><ul><li>Passion for Bitcoin and Blockchain technologies; </li></ul><ul><li>Experience with distributed systems; </li></ul><ul><li>Experience with opensource solutions; </li></ul><ul><li>Experience with Java or willingness to learn. </li></ul>