Blockchain Data Analyst, Researcher

Remote role Full-time Open position

Job Description:

As a Blockchain Data Analyst & Researcher, you will serve as a pivotal force in our data intelligence efforts
Your core mission will involve a deep dive into the mechanics of various blockchain networks
Reverse engineering of sophisticated Decentralized Finance (DeFi) protocols and translating these into actionable, structured data
Develop new derivative data models and datasets for client insights
Map, cleanse, and normalize raw blockchain data into structured relational and non-relational schemes for analytics tools

Requirements:

3+ years hands-on in Data Science, Data Engineering, or a hybrid role
Blockchain or crypto analytics background strongly preferred
Familiarity with on-chain data structures, transaction semantics, and asset classification
Streaming & Lakehouse Apache Flink or Spark Streaming building and operating real-time data pipelines
Apache Iceberg or Apache Hudi managing large-scale Data Lakehouses
AWS Data Platform S3 for scalable data lake storage
RDS for structured relational workloads
Spark SQL and PySpark for interactive querying and ad-hoc analysis
Proficient in architecting high-throughput ingestion pipelines that leverage external data sources REST/WebSocket APIs, JSON-RPC node queries
Strong grasp of ETL fundamentals (extract, transform, load)
Systematic approach to debugging; comfortable with large, semi-structured, or undocumented data sources

Benefits:

Opportunity to work directly on data for digital assets
Working with multiple AI solutions daily
Exposure to both technical problem-solving and customer-facing challenges
A growing Poland-based team with direct collaboration across US and global stakeholders
A startup-style culture where your impact is visible every day

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