Ing. Mario Arancibia

• Taught full-stack development using HTML, CSS, JavaScript, TypeScript, React, Node.js, SQL, and MongoDB. • Guided students in system design, databases, APIs, microservices, and scalable architectures. • Instructed on DevOps practices, including version control, testing, CI/CD pipelines, and containerization. • Built hands-on applications and learning resources to enhance practical skills.

• Managed AWS microservices for a leading vehicle rental company, handling reservations, booking revisions, and online payments. • Built a NestJS/React real estate auction platform handling 170 auctions annually. • Mentored developers through code reviews and best practices, improving code quality and delivery efficiency. • Implemented CI/CD, test automation, and containerization, optimizing development workflows.

• Built a Node.js API connecting the group’s web order system to ERPs in Chile and Argentina, handling 3,000 orders daily. • Developed a Next.js store locator with Google Maps for real-time location searches. • Led integration of LATAM P&L reports to France HQ via AWS, improving cross-regional financial analysis. • Led SAP invoicing integration between Chile and Peru, providing real-time billing insights.

• Built a PHP/MySQL order management system integrated with major clients (GMO, OPV), the lens calculator, and the ERP, automating 80% of order fulfillment. • Led a company-wide ERP migration to SAP Business One, reducing operational costs by 39% and digitalizing invoicing. • Migrated the company’s P&L report to SAP HANA, rebuilding queries from scratch and automating with PHP. • Implemented high-availability backup internet across eight locations, achieving 98% uptime.

• Built real-time KPI dashboards in PHP/MySQL, saving five hours of reporting per day. • Consolidated 21 physical servers onto 4 using Hyper-V/Docker, reducing hardware and maintenance. • Migrated the lens calculator server, enabling API integration and improving performance. • Developed a simulation model in Arena, increasing production efficiency by 18%.

Master’s level in Computer Engineering and Informatics, Germany, ZAB certified