Cristian Dias de Castro

Working in the Accounts/Purchase domain (account purchase, checkout, and registration) during Statista’s multi-year migration from a PHP/Vue/Twig monolith to smaller, focused applications. - Migrated key user flows—product overview, registration, account information, and checkout—to a Remix (React/TypeScript) stack while keeping them compatible with the still-active monolith for a seamless end-to-end experience. - Integrated with platform services and third-party systems: Auth0 (authentication), Keylight (

Building customer-facing products and internal tooling with JavaScript/TypeScript, React, Next.js, and React Native: - Developed a visual drag-and-drop editor for creating newsletters and configuring email campaigns (audiences, cadence, subjects, etc.). - Collaborated with designers to implement a library of reusable content blocks and defined each block’s API/schema for editable parts. - Built a fuel-price comparison web app (Next.js) and companion mobile app (React Native) using the open MTS-K dataset, w

Data acquisition, normalization, and quality assurance for job content powering the XING Jobs platform, responsible for: - Building and maintaining web-scraping flows to ingest job postings from employer career pages using XPath and jQuery; organizing, validating, and persisting data in internal databases. - Defining extraction rules and normalization logic to handle diverse site structures. - Performing data analysis to refine datasets and generate insights with MySQL and Python (coverage, freshness, anom

Focus on economics and business mathematics