Senior Data Platform Engineer Offline

Position Summary: 

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. 
 
Duties and responsibilities: 

• Integration of blockchains, Automated Market Maker (AMM) protocols, and bridges within Crystal's platform; 
• Active participation in development and maintenance of our data pipelines and backend services; 
• 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 developing Python backend services and APIs; 
• Advanced knowledge of SQL - ability to write, understand and debug complex queries; 
• Data Warehousing and database basic architecture principles; 
• POSIX/Unix/Linux ecosystem knowledge; 
• Strong knowledge and experience with Python, and API frameworks such as Flask or FastAPI; 
• Knowledge about blockchain technologies or willingness to learn; 
• Experience with PostgreSQL database system; 
• Knowledge of 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, Flink, Data Lakes and Analytical Databases such as ClickHouse; 
• Knowledge of Kubernetes and Infrastructure as Code – Terraform and Ansible; 
• Passion for Bitcoin and Blockchain technologies; 
• Experience with distributed systems; 
• Experience with opensource solutions; 
• Experience with Java or willingness to learn.