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Crystal Intelligence

Senior Data Platform Engineer (Remote)

Crystal Intelligence
Lithuania · Full-time · Mid-Senior
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.

Key Skills

Ranked by relevance

blockchain python infrastructure as code kubernetes postgresql terraform big data ansible fastapi docker kafka flask spark java sql
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Posted
Sep 03, 2025
Type
Full-time
Level
Mid-Senior
Location
Vilnius
Company
Crystal Intelligence

Industries

Data Security Software Products

Categories

Engineering Information Technology

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