Mario Arancibia

• Developed an app for EssilorLuxottica to integrate AR/AP/GL from SAP B1 to SAP ECC, processing 12,000+ transactions daily. • Developed SAP HANA queries for EssilorLuxottica to extract and transform BS/P&L/FA/AR/AP balances for ERP migration. • Developed a banking benefits aggregator using web scraping to consolidate offers across 3 sources (Next.js, MongoDB). • Mentored 14 students 1:1 in TypeScript and SQL via Superprof, covering full-stack development, database design, and interview prep.

• Led a team of 12 developers, enforcing code reviews and CI/CD pipelines. • Architected microservices for Salfa, handling car bookings, payments, contracts, and SAP integrations (NestJS, PostgreSQL, RabbitMQ, AWS). • Developed an online auction platform for Tattersall, processing 170+ auctions per year (React, NestJS, PostgreSQL, Redis, AWS). • Developed a KPI dashboard to track developer allocation across projects, reducing idle time by 23% (Sheets, Apps Script, Trello API).

• Led MEyes sales report integration across 4 countries, building ETL pipelines to centralize data for France HQ. • Developed a middleware API to integrate the web order system with regional ERPs, processing 3,000+ orders daily (Express, PostgreSQL). • Developed a store locator that batch geocodes addresses (Sheets, Apps Script, Google Maps API).

• Led the ERP migration to SAP B1, reducing licensing costs by 39%. • Developed an order management app with E2E tracking to integrate XML orders into SAP B1, automating 80% of order fulfillment (PHP, MySQL). • Led the implementation of high-availability backup internet across 8 locations, achieving 98% uptime. • Virtualized 21 servers, improving disaster recovery (Hyper-V).

• Developed KPI dashboards and automated email reports, saving 5 hours daily (PHP, MySQL). • Developed a simulation model in Arena, increasing throughput by 18%. • Migrated the lens calculator server, enabling API integration and implementing backups.

M.Sc. Computer Engineering and Informatics (ZAB recognized)