cv

Overview

Name Laurent Valentin
Label Data Engineer
Email LaurentValentin@outlook.com
Phone +248 2668605
Url https://lauval.github.io/
Summary Data engineer specialising in building automated data infrastructure from scratch. Expertise in Python-based ETL development, data pipeline architecture, and system integration. Proven ability to design and deploy production-grade solutions that process hundreds of thousands of records daily whilst maintaining data quality and system reliability.

Work

  • 2025.01 - 2025.12

    Le Rocher, Seychelles

    Commercial Analyst, Commercial Department
    Seychelles Breweries
    • Architected and deployed automated ETL pipeline from scratch using Python, consolidating sales data from multiple distributors with inconsistent schemas, reducing weekly processing time by over 99% and enabling real-time analytics across the organisation.
    • Engineered biometric payroll automation system processing hundreds of thousands of rupees monthly, designing pattern-matching algorithm to reconcile fragmented clock-in/out records and implementing dynamic overtime calculation engine handling 5+ cost centres with variable pay rules.
    • Built geospatial analytics platform using Folium to visualise 700+ outlets across own and competitor networks, implementing proportional icon scaling based on sales volume and colour-coded intensity mapping for depletion hotspots.
    • Designed data integration architecture connecting automated pipeline to Power BI, implementing automated refresh workflows and enabling self-service analytics for 20+ daily users across multiple departments.
    • Extended reporting infrastructure to provide end-to-end supply chain visibility (stock, shipments, depletions), implementing automated data consolidation workflows that eliminated manual reconciliation processes.
    • Developed customer retention tracking system monitoring 700+ outlets, implementing automated churn detection algorithms that identified at-risk accounts and enabled proactive intervention strategies.
  • 2023.06 - 2023.07

    Reading, United Kingdom

    Undergraduate Researcher
    University of Reading
    • Engineered Python-based machine learning experiments on JASMIN high-performance computing infrastructure, training 200,000+ decision tree models for global sensitivity analysis of CMIP6 climate models across 43 IPCC regions.
  • 2023.03 - 2023.06

    Reading, United Kingdom

    Data Science Intern
    KYMIRA
    • Evaluated 500,000+ samples of motion capture data from experimental trials using Python, identifying signal consistency issues through statistical analysis and collaborating with embedded electronics engineers on sensor performance optimisation.

Volunteer

  • 2021.11 - 2024.07

    Reading, United Kingdom

    Race Equity Volunteer
    University of Reading
    Contributed to initiatives aimed at improving race equity within the university.

Education

  • 2021.09 - 2024.07

    Reading, United Kingdom

    Bachelor of Science
    University of Reading
    Meteorology and Climate

Awards

Certificates

Internal Auditing
Seychelles Bureau of Standards

Skills

Programming & Tools
Python
SQL
Git
Power BI
Folium
Excel
Core Competencies
ETL development
data pipeline architecture
data modelling
automation
statistical analysis
geospatial analytics

Languages

English
Native
Creole
Native
French
DELF B2
Mandarin
HSK Level 1

Interests

Gaming
Chess
Programming
Machine Learning
Mathematics