About Jan
French
Native or bilingual
Catalan
Native or bilingual
Spanish
Native or bilingual
English
Fluent
Italian
Basic
Experience
- NousmedisData Analyst - ETL DeveloperE-COMMERCEJune 2023 - Today (3 years and 1 month)Barcelona, Spain• • Design and maintain ETL pipelines using Talend and KNIME to process data from 5+ supplier data sources• • Built custom TypeScript integration syncing 3,000+ products between Saleslayer PIM and Synkka e-commerce platform• • Automated catalog production workflows, reducing manual data processing from 20 hours/ week to 2 hours• • Develop data models and transformations for multi-language product catalogs (ES, DE, EN, FR)• • Create data quality checks and validation rules to ensure 95%+ data accuracy• • Consult with clients on PIM implementation and data integration strategies pipeline handling different schemas (MySQL, PostgreSQL, CSV), with automated error detection and monitoring
- VisualKornerWeb Developer & Database AdministratorE-COMMERCEJanuary 2022 - September 2023 (1 year and 8 months)Barcelona, Spain• • Automated product imports using Bash scripts and SQL procedures for PrestaShop e-commerce• • Managed web server infrastructure and implemented automated backup systems with cron• • Developed bulk data processing scripts handling 10,000+ products per batch
- MarcoPolo DirectJunior DeveloperDIGITAL AND ITJanuary 2017 - January 2020 (3 years)Albi, FranceDeveloped custom PHP modules and extensions for PrestaShop e-commerce platform, including payment gateway integrations, shipping calculators, and customer-facing features that enhanced user experience and conversion ratesDesigned and maintained relational SQL databases for product catalogs, customer orders, and inventory management, writing optimized queries and stored procedures to support high-traffic e-commerce operationsImplemented data migration scripts to transfer historical customer and order data from legacy systems to new platform architecture, ensuring data consistency and minimal business disruptionCollaborated with cross-functional teams including marketing, customer service, and management to translate business requirements into technical specifications and deliverable featuresPerformed routine database maintenance including backup scheduling, performance monitoring, and data cleanup procedures to maintain system health and reliability
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Education
- Campus 422023Campus 42
- Computer EngineeringUniversitat Politècnica de Catalunya2020Computer Engineering