András N.

András N.

Data Engineer

Hungary
Trusted member since 2023
6 years of experience

He specializes in designing serverless architectures, implementing robust ETL pipelines, and establishing comprehensive monitoring systems to ensure reliability and performance.

His expertise spans both traditional and Web3 domains, where he has delivered data solutions for DAOs and healthcare organizations. With strong DataOps capabilities, András implements structured logging, automated alerting, and efficient CI/CD pipelines that significantly enhance data reliability and operational efficiency.

Main expertise

Data Science6 years
PythonPython6 years
Data Engineering4 years
SQLSQL3 years
8+

Experience4

Diligent

Software Engineer

Diligent
Information Technology (IT) and Services
May 2023 · 2y 10m

Diligent is a global provider of governance, risk, and compliance software solutions.

  • Enhanced data accessibility by designing and building serverless data infrastructure and pipelines, ensuring reliable data flow and retrieval for key stakeholders.
  • Overhauled data fetcher logic by transitioning data API fetchers from VBScript to Python, setting up database ingestion, and integrating scrapers into cloud infrastructure. Resolved issues related to data quality, performance, and rate limits using Python, AWS Lambda, CloudWatch, and MS SQL.
  • Built, improved, and maintained data operations processes, analyzing and systematizing the issue resolution pipeline. Reduced issue resolution time and improved data and code pipeline reliability and maintainability using AWS CodePipeline, CloudWatch, EventBridge, SNS, Lambda, and Slack. Orchestrated multi-month backfills.
  • Designed structured logging, notifications, and dashboards for comprehensive data and infrastructure monitoring.
  • Reduced code build time by 75% through refactoring and expanded CI/CD capabilities to improve build reliability and developer experience using AWS CodeBuild, Lambda, CodeArtifact, ECR, Bash, and the GitHub API.
DockerDocker
AWSAWS
MSSQLMSSQL
Microservices
PythonPython
24+

Data & Insights

Aragon DAO
Cryptocurrency and Blockchain
Aug 2022 - Feb 2023 · 6m

Aragon DAO builds governance infrastructure for decentralized organizations (DAOs).

  • Developed reporting pipelines for DAO governance analytics, combining on-chain and off-chain data sources.
  • Built a financial oversight dashboard using Python, Pandas, Dash, and Anvil, enabling real-time transparency for community stakeholders.
  • Automated data retrieval from Discourse, Discord, Dework, and Dune, ensuring accurate and timely reporting for decentralized governance.
  • Delivered high-quality data insights to support DAO decision-making, increasing transparency and accountability.
PandasPandas
Data Engineering
ETLETL
StreamlitStreamlit
PlotlyPlotly
2+

Data Scientist & Engineer

Freelancer, Remote
Remote Work and Collaboration
Sep 2018 - Aug 2022 · 3y 11m

Worked independently on advanced analytics and engineering projects across multiple industries.

  • Resolved data challenges across finance, Web3, DeFi, health, and energy sectors.
  • Built an analytics pipeline for Terra arbitrage opportunities by collecting, processing, and analyzing on-chain Terra/Cosmos data using Flipside, Python, and pandas.
  • Developed a time-series glucose forecasting model, achieving prediction accuracy comparable to market-leading commercial medical devices using Python, pandas, and scikit-learn.
  • Built a reporting pipeline to assess a medical treatment device used in clinical trials, generating actionable insights to inform clinical decisions and device performance evaluations using Python, pandas, matplotlib, seaborn, and Jupyter.
  • Engineered an evaluation pipeline for machine learning feature engineering methods using Python and scikit-learn.
  • Wrote technical drill-down blog posts on Machine Learning, MLOps, SQL, and Python.
AWSAWS
NumPyNumPy
KerasKeras
PandasPandas
Data Engineering
11+
Dorsum

Junior Business Analyst/Technical Writer

Dorsum
Banking and Finance
Jan 2016 - May 2018 · 2y 4m

Dorsum is a software company delivering wealth management and investment platforms.

  • Created documentation for a B2B wealth management SaaS, ensuring clarity and usability for both technical and non-technical stakeholders.
  • Developed B2B business proposals highlighting platform capabilities and wrote white papers to support client engagement and content marketing initiatives.
  • Contributed to regulatory analysis and compliance documentation, ensuring solutions aligned with banking sector requirements.
  • Supported cross-functional teams with technical writing and marketing content, strengthening client engagement.

Assessments

Engineering excellence

Andras’s overall performance in a 90-minute live technical assessment ranks in the top 10% of vetted Data Engineers at Proxify.

Portfolio

Highlighted by Andras

Aave Liquidity Provider TVL Point Tracker 1
Oct 2024
Aave Liquidity Provider TVL Point Tracker

Built a point tracker evaluating Aave liquidity providers. Collected on-chain data about assets, liquidity indexes, prices, wallets, and balances. (The Graph, Coingecko, Etherscan, web3.py). Processed datasets and calculated points based on Aave whitepapers and documentation. (pandas). Exposed the points via a REST API. (FastApi)

Duration1m

Education

TOU
The Open University, UK
Science & Technology Studies2010 - 2016
Lancaster University
Lancaster University
Science & Technology Studies2009 - 2010
Eötvös Lóránd University
Eötvös Lóránd University
Sociology2004 - 2009
Budapest University of Technology and Economics
Budapest University of Technology and Economics
Business & Economics2002 - 2007

Stop browsing.
Get matched faster.