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.