Big Data Jobs

I need a robust big-data workflow that will let me uncover how customers across Latin America actually buy. The primary aim is to analyze customer behavior, zeroing in on purchase patterns. For phase one the only source on hand is a wide set of structured and unstructured customer surveys gathered in Spanish and Portuguese markets. The job is to clean, standardize, and load these surveys into an environment that supports high-volume processing (Spark, Hadoop, or an equivalent cloud stack you favour). Once the data is stable, I want exploratory analysis, clustering, and predictive modelling that highlight: • Which demographic segments purchase which categories most frequently • Seasonal or regional spikes in demand • Correlations between stated preferences and actual...

Over the past month I’ve watched our Databricks bill jump to nearly double its usual size even though, from my vantage point, nothing significant has changed. I’m not sure whether a silent configuration tweak, a new workload, or something subtler—extra clusters lingering, storage growth, or heavier data-transfer—is driving the surge, but the spend is now unsustainable. I need a seasoned Databricks specialist to dive into the workspace, sift through usage reports, job histories, cluster policies, and storage metrics, and tell me exactly where the money is going. Once the root cause is clear, I want practical, step-by-step guidance on how to bring costs back under control. Deliverables • Concise report pinpointing the key cost drivers, supported by metrics ...

I have a fully selectable PDF consisting of approximately 1,200 pages, where each page contains exactly one multiple-choice question, including: 1 question statement 4 answer options (A–D) 1 explanation The PDF needs to be converted into an Excel workbook based on a predefined Excel format, not by replicating the visual layout of the PDF. Each PDF page will correspond to one row (or one defined record) in Excel, following the structure and columns specified in the provided Excel template or formatting guidelines. ⚠️ Important workload note: Due to the structure of the PDF, each page will require multiple manual extractions: At minimum 1 copy-paste per page, and In many cases up to 6 separate copy-paste actions per page (question, options A–D, explanation), depending on how the ...

AppVisitanos – Technical Specification 1. Executive Summary AppVisitanos is a cloud-native digital ecosystem (PWA) that turns the City into a Smart Tourism Destination. Through an official city QR Code, visitors access: Tourist safety tools (SOS button with geolocation + silent protocol). Smart local economic activation (geo directory, coupons, digital passport, gamification). Real-time tourism intelligence for government (heatmaps, visitor flow, campaign impact). Built with a PWA front-end, serverless architecture, API-First design, and government-grade cybersecurity. AI is used for semantic search, analytics, and predictive geolocation. 2. Vision & Scope AppVisitanos becomes the city’s official digital layer. Key goals: Frictionless adoption (no app store; insta...