Freelancer profile translated to English.

Description

Senior Analytics & AI Evaluation Engineer with 14+ years of experience, I help product, finance, and management teams to make their KPIs and decisions reliable. Specialist in Snowflake, SQL, dbt, and analytics engineering, I audit metrics, identify root causes of performance variations, and build governed reporting. I also evaluate LLM and text-to-SQL outputs with structured rubrics and factual checks. Deliverables: KPI audit, analytics rescue, Snowflake/dbt semantic layer, executive dashboard, and AI evaluation.

Industry field of expertise

Languages

French
Native or bilingual
English
Fluent
Portuguese
Basic
Spanish
Basic

Workplace preferences

Remote only

Primarily works remotely

MetricPilot
Independent Analytics Engineer
DIGITAL AND IT
January 2026 - Today (7 months)
Development of a native Snowflake performance analysis engine to identify root causes of KPI variations.

Stack: Snowflake, SQL, Python, Streamlit, dbt, Cortex AI.

Use cases: variance analysis, automatic explanation of performance drops, executive dashboards, metric governance, and data consistency audit.
Snowflake Analytics Engineering Python Streamlit GitHub
Tripadvisor
Senior Lead Analyst
TRAVEL AND TOURISM
January 2021 - December 2025 (4 years and 11 months)
Lisbon, Portugal
Analytics architect for large-scale B2C telemetry (terabytes).
- Insight Bot (Cortex Analyst) — native Snowflake conversational analytics,
500+ natural language queries/month, adopted by Revenue, Product, Marketing.
- Business Metric Wizard — ML/NLP root-cause analysis: investigation time
for revenue anomalies divided by ~12 (2-3 days → ~10 min).
- -40% AI compute costs (caching, parallelization) on Mixpanel → Snowflake migration.
- Governed dashboard template adopted by 5 analytics teams; Eppo governance
(A/B testing, SRM detection, dbt metrics).
Promotion from Lead to Senior Lead Analyst in April 2024.
Snowflake DBT AI and Advanced Analytics Python SQL
D Fabrik
Senior Data Analyst
CONSULTING AND AUDITS
January 2017 - December 2020 (3 years and 11 months)
Paris Metropolitan Area, France
D-Fabrik was my freelance consulting firm. I unified customer, web, and CRM data into a 360 view, then built self-service dashboards (Qlik, Tableau) adopted by the 5 Business Units. I also trained teams to maintain them autonomously. Specifically: fewer back-and-forths, faster decisions based on readable KPIs.
Database Management Data Engineer Data Integration