Mateusz User
@mateuszuser1
I build scalable data pipelines and blockchain analytics for financial reporting and decision-making.
PolandWhat I'm looking for
At Chorus One, I engineer automated extraction of on-chain financial and staking data across Ethereum, Solana, Cosmos, Avalanche, SUI, Stacks, Starknet, and The Graph. I build ETL pipelines with Airflow, GCS, and PostgreSQL for financial reporting, LLM RAG ingestion, and downstream analytics, and create Streamlit and Plotly dashboards for validator and network metrics.
I've spent over seven years in data engineering and analysis across banking, hedge funds, insurance, and blockchain. My insurance underwriting background helps me translate business needs into technical solutions, from Azure and MS Purview data-governance workflows to Python ETL, API integrations, reporting, and web scraping.
Experience
Work history, roles, and key accomplishments
Data Engineer
Chorus One AG
Apr 2024 - Present (2 years 4 months)
Engineered and automated extraction of on-chain financial and staking data across multiple blockchain networks. Built and maintained scalable ETL pipelines and developed interactive BI dashboards.
Education
Degrees, certifications, and relevant coursework
Warsaw University of Technology
Postgraduate Studies, Java EE
2019 - 2021
Postgraduate studies in Java EE for software production.
Availability
Location
PolandAuthorized to work in
Job categories
Skills
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