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Konstantinos | KonScanner

πŸ’» Software Engineer (Backend)

Data scientist and software engineer with expertise in Web3, blockchain analytics, and database optimization. Previously working on ML/AI from tabular physics data to risk scoring to image processing.

πŸ› οΈ Technical Skills

Languages

Python Go SQL

Data Technologies

PostgreSQL Data Modeling Web3 Data FastAPI Pandas NumPy

Web3 Technologies

Blockchain Analytics Smart Contracts dApp Development

πŸš€ Professional Summary

Data scientist with a background in physics and music, specializing in blockchain analytics and database optimization. Skilled in developing robust data pipelines, building analytical models, and extracting actionable insights from complex datasets. Passionate about leveraging data science to solve real-world problems.

🏒 Prior Contributions

Python PostgreSQL dbt Looker

Data Lead β€” Backend, pipelines, and analytics engineering across Polygon's data org.

  • Led data pipelines and analytics infrastructure powering internal BI (Looker + dbt)
  • Built and maintained APIs delivering data to BD & Marketing teams and external partners including Starbucks and Reddit
  • Authored research reports and data models to support product and growth decisions

Python AWS PostgreSQL dbt MySQL Presto

Senior Data Engineer β€” Core EVM data infrastructure and real-time ingestion systems.

  • Improved EVM decoded table rates for core ingested tables and built high-quality abstraction layers
  • Engineered data pipelines writing to a Presto/Athena/SparkSQL-compatible Delta Lake format as well as PostgreSQL, using the AWS stack (Athena, ECR)
  • Built real-time Ingestor and real-time Balances on PGSQL
  • Worked on optimizing complexity-based query routing heuristic that transparently dispatched user queries between Presto/Athena and PostgreSQL, abstracting engine selection from end users
  • Used dbt for transformation workflows and MySQL for user management

πŸŽ“ Background

  • Data Science - Expert in data modeling, statistical analysis, and machine learning techniques
  • Physics - Strong analytical and problem-solving skills with a mathematical foundation
  • Music - Creative thinker with attention to detail and pattern recognition abilities

🌱 Currently Learning

Always expanding my knowledge in:

  • Advanced blockchain technologies
  • Distributed systems architecture
  • Machine learning optimization

🀝 Let's Collaborate!

I'm interested in collaborating on Data Science, Analytics, and ML-based projects, especially those involving blockchain technology and data optimization challenges.

⚑ Beyond Coding

When I'm not coding, you'll find me:

  • Playing guitar and bass
  • On the basketball court
  • Exploring new data science concepts

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