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.
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