Meta tags:
description=Paul Tuillet - Lead Data Engineer & Architect. Building scalable, self-hosted Data Lakehouses and secure data platforms. Expert in Python, DuckDB, Dagster, and Modern Data Ops.;
keywords=Data Engineer, Data Architect, Python, DuckDB, Dagster, Freelance, Data Lakehouse, MinIO, Docker, FastAPI, Analytics;
author=Paul Tuillet;

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Text of the page (random words):
paul tuillet lead data engineer architect paul tuillet réalisations à propos outils en open to opportunity lead data engineer founding engineer mindset bridging the gap between complex infrastructure and actionable business insights book a call view my work lakehouse self hosted secure professional journey founding data engineer groupe bz april 2025 present built a high performance data platform from scratch with a 0 software budget deployed a self hosted data lakehouse docker minio duckdb and orchestrated pipelines via dagster developed secure internal saas apps nicegui to replace paid tools duckdb dagster docker product owner asap nov 2024 dec 2025 conducted market studies targeting 450k customers achieved 42 conversion rate on campaigns bridged business requirements with technical feasibility python teacher lepont may 2022 oct 2024 trained 150 international students from audencia in data visualization power bi and python coding data consultant wildberries mar 2022 mar 2024 consulted on data strategy and infrastructure improvements for large scale retail operations lead data analyst international press comity oct 2021 july 2022 performed open source intelligence osint investigations for international press organizations senior server administrator keen software house aug 2018 feb 2022 managed high availability server infrastructure bare metal cloud architecture réalisations infrastructure le zero cost lakehouse une architecture de données souveraine et découplée remplacement d un monolithe sql server coûteux par une stack docker agile 0 de coûts de licence open source performance x100 grâce à duckdb olap stockage s3 partitionné bronze silver gold complete tech stack ️ infrastructure ops docker compose auto hébergement self hosted git sync ci cd léger linux système de base orchestration dagster asset centric lignage sla ingestion stockage minio object storage compatible s3 dlt ingestion json schema evolution duckdb extraction bulk sql server parquet format colonnaire bronze silver ️ transformation duckdb moteur sql olap polars dataframe très haute performance apps visualisation nicegui apps métiers ui complexes streamlit prototypes data viz fastapi backend api exposure rest api sap erp sql server bronze raw silver clean gold business dashboards api view data stack orchestration asset centric pipelines gestion de la fraîcheur des données sla et lignage automatique avec dagster asset graph 5 materialized 1 stale raw_inv raw_cli stg_contracts 45m to sla fact_rev fresh dim_cli fresh bronze silver gold 5 assets 4 dependencies sla ok last run 2m ago freshness fact_rev 2m dim_cli 15m stg_contracts 45m raw_inv 5m raw_cli 12m sla policy gold assets 60m daily refresh 08 00 full stack apps secure business apps applications métiers sur mesure développées avec nicegui auth rbac real time revenue 35k 12 satisfaction 4 9 live users 1500 live monthly growth 1m 3m 6m 1y live users market activity v dashboard vortex markets analyse de marchés en temps réel crypto forex etf stocks architecture réactive voir le dashboard global intelligence geonews surveillance géopolitique en temps réel visualisation cartographique des flux d actualités mondiaux explorer la carte in browser analytics local lakehouse duckdb wasm analytics upload csv parquet generate data load from apis fully client side explorer le lakehouse ma philosophie simple souverain performant la plupart des ingénieurs empilent des services cloud par réflexe moi je choisis l architecture qui maximise le roi coût 10 en remplaçant les stacks propriétaires par des solutions open source auto hébergées je réduis drastiquement les coûts d infrastructure et de licences résultat même budget 10x plus de capacité pas de vendor lock in de l idée au prod en jours grâce à une stack cohérente et containerisée je passe de l architecture au déploiement en moins d une semaine agilité itération rapide feedback immédiat valeur business dès le premier sprint time to market minimal vos données votre contrôle infrastructure 100 maîtrisée tout tourne sur vos serveurs on prem ou cloud privé conformité rgpd native auditabilité totale zéro dépendance à un saas tiers souveraineté numérique the toolkit dagster orchestration etl pipeline click to play docker infrastructure nicegui frontend minio s3 storage streamlit data apps fastapi backend ci cd ops python core language polars fast dataframes postgresql sovereign db power bi visualization back to tools rotate pipes to connect the source to the destination ready to scale book a call 2024 paul tuillet crafted with data passion