Description

Senior Data Engineer with 5+ years building data platforms, real-time analytics systems, and ETL pipelines for startups and enterprises across Europe and the US. I specialize in Python, SQL, ClickHouse, Kafka, and cloud platforms (GCP certified, Azure) with a proven track record of delivering 90%+ latency reductions, 500TB+ migrations, and production AI/ML integrations. Recent work includes architecting real-time financial reporting systems, zero-downtime database migrations, and LLM-powered document processing pipelines. Strong remote contractor experience—I've worked with YC-backed startups, European SaaS companies, and enterprise clients like BMW and Thales. Based in Barcelona, available for long-term remote contracts in data engineering, platform architecture, or analytics roles.

Languages

English
Native or bilingual

Workplace preferences

Can work on-site

Barcelona (up to 50km)

Fundcraft
VP Data & AI
TECH
July 2025 - December 2025 (5 months)
Spain
▸ Architected real-time data platform using ClickHouse and Kafka; reduced reporting latency by 99.5% (40s → 200ms)
▸ Built ETL pipelines for data migration from legacy providers; designed data acquisition, cleansing, and transformation workflows
▸ Implemented LLM-powered document classification (OpenAI/Anthropic APIs); automated processing saving 1+ FTE monthly
▸ Established data governance frameworks, quality standards, and documentation practices across the organization
▸ Scaled data team from 6 to 12; mentored engineers on best practices
FastAPI Google cloud artificial intelligence Data Engineer LLM
Decipher AI (YC W24)
Senior Data Platform Engineer
TECH
March 2025 - June 2025 (3 months)
San Francisco, United States
▸ Executed zero-downtime database migration (Supabase → Azure PostgreSQL): partitioned tables, TTL policies, schema versioning
▸ Architected real-time analytics: ClickHouse with Kafka ingestion, Materialized Views—95% latency reduction
▸ Built data integrations and REST APIs (Python, FastAPI) for enterprise clients including Pinecone
▸ Implemented CI/CD pipelines for automated data pipeline deployment
artificial intelligence Data Engineer SQL Typescript Digital Transformation
Mouseflow
Director of Data & Analytics
DIGITAL AND IT
January 2023 - February 2025 (2 years and 1 month)
Barcelona, Spain
• • Session replay analytics monthly events)
▸ Led 500TB data migration to GCP across EU + US datacenters; enabled 30% increase in enterprise adoption
▸ Built data organization from 1 to 4 members; established engineering standards and documentation
▸ Implemented ClickHouse analytics layer: 90% query latency reduction, enabled complex funnel/cohort analysis
▸ Designed data models and ETL workflows using dbt, BigQuery, and ClickHouse
Data Engineer Python BigQuery Google cloud SQL