Position Summary:

We are looking for a talented Senior Data Platform Engineer to join our Data Engineering team, to participate in the development and maintenance of data pipelines for blockchain data processing. This is a remote role, and we are flexible with considering applications from anywhere in Europe.

More details: crystalblockchain.com

Duties and responsibilities:

  • Active participation in development and maintenance of our data pipelines and backend services;

  • Integration of blockchains, Automated Market Maker (AMM) protocols, and bridges within Crystal's platform;

  • Integrate new technologies into our processes and tools;

  • End-to-end feature designing and implementation;

  • Code, debug, test and deliver features and improvements in a continuous manner;

  • Provide code review, assistance, and feedback for other team members.

Required:

  • 8+ years of experience in software engineering, developing backend services/APIs or data pipelines;

  • Strong knowledge and experience with Python;

  • Advanced knowledge of SQL - ability to write, understand and debug complex queries;

  • Strong database architecture principles;

  • Strong experience with data lakes, data warehouses, relational and analytical databases;

  • POSIX/Unix/Linux ecosystem knowledge;

  • Blockchain tech knowledge or willingness to learn;

  • Experienced in Unit Testing principles;

  • Experience with Docker containers and proven ability to migrate existing services;

  • Independent and autonomous way of working;

  • Team-oriented work and good communication skills are an asset.

Would be a plus:

  • Practical experience in big data and frameworks – Kafka, Spark, Dask, Flink and Data Lakes;

  • Experience with Kubernetes and Infrastructure as Code – Terraform and Ansible;

  • Experience with API frameworks such as Flask or FastAPI;

  • Experience with distributed systems;

  • Experience with opensource solutions;

  • Experience with Java or willingness to learn.