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.

 

 

More details: crystalblockchain.com

 

 

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.