Sebastian Arriaza

Design and develop enterprise-grade TypeScript automation and platform tooling supporting Lonely Planet's large-scale Contentful ecosystem. Build automation for content migration, validation, publishing, deduplication, and data quality across multiple Contentful spaces.

Led development of geospatial and agroclimatic platforms using Angular, NestJS, SQL Server/PostGIS, and Google Earth Engine. Designed spatial database architectures, scalable APIs, and raster pipelines.

Led lifecycle management of internal applications and developed solutions using Python, Django, PostgreSQL, React, and TypeScript. Managed AWS EC2 infrastructure, Linux/Windows servers, and integrations including Mailgun and Twilio.

Integrated Softland ERP and developed/maintained Express.js APIs and MuleSoft integrations. Built automated notification and tracking workflows and coordinated Angular frontend delivery.

Managed eCommerce catalog, product data, pricing, availability, UX improvements, logistics coordination, and cross-functional workflows. Implemented Contentful headless architecture with React/Next.js and integrated eCommerce financial operations with QuickBooks.

Progressed from WordPress Developer to Senior Web Developer and Web Team Supervisor. Developed custom WordPress plugins, WooCommerce solutions, REST integrations, and headless WordPress applications with React and Next.js.

Developed business web applications, REST integrations, deployment workflows, and IIS/Windows Server solutions.

Architected a logistics ecosystem using Next.js, Express.js, MongoDB, WordPress/WooCommerce integrations, role-based access, reporting, and automated operational workflows.

Implemented Amplitude Analytics across eCommerce and business applications. Designed event tracking for user behavior, conversion funnels, journeys, segmentation, retention, and feature adoption.

Developed and maintain a UK service-booking platform with online scheduling, admin tools, notifications, customer workflows, and cloud deployment. Integrated automated email/communication flows and operational management features.

Design automation solutions supporting volunteer management and organizational operations using TypeScript/Angular, Python, SQL, APIs, and cloud technologies. Build bots and automated assistants, data synchronization, reporting, validation, notification, and operational workflows.

Earned a degree in Information Technology Management Engineering from Universidad Americana (UAM) from 2014 to 2019.

Completed the CCNA v5.1 certification at Universidad Americana (UAM) in 2016.

Completed the IT Essentials 5.2 Cisco certification at Universidad Americana (UAM) in 2015.