Paulo Ziembick

Developed ERP integrations for large-scale B2C and B2B e-commerce ecosystems using Python, SQL, and GraphQL. Optimized batch processing logic to significantly reduce data synchronization latency and improve transactional reliability. Architected and maintained full-stack applications utilizing React, Node.js, and Python (Flask/FastAPI), managing deployments from build to production across AWS and Azure. Modernized legacy architectures and optimized database performance to ensure production stability. Built internal web applications and microservices using Python (FastAPI/Flask) and PostgreSQL. Reduced manual work by automating key business workflows. Built custom Shopify apps using Polaris, TypeScript and React, with backend logic handled through GraphQL middlewares and workers. Integrated ERP systems with Salesforce using Python and SQL, including development of custom REST endpoints via Apex. Optimized data transmission through batch processing, cutting API overhead and bringing resp

ERP and system integrations for B2C and B2B platforms (Shopify, VTEX) using Python, SQL, GraphQL and relational databases. Design, development and maintenance of full-stack applications with React, Node.js, TypeScript, JavaScript, HTML and CSS, including APIs built on REST and SOAP architectures. Development of custom Shopify applications using Shopify Polaris, handling backend logic, GraphQL and REST integrations, and frontend interfaces.

Developed e-commerce solutions across VTEX, Wake, Deco CMS, Shopify, and Magento platforms, delivering high-performance storefronts for 10+ brands including Granado, BAW Clothing, Grupo Sinal (Rebranding), and Boardriders Group (Quiksilver, Element, RVCA, DC Shoes). Built interactive interfaces and reusable components using TypeScript, JavaScript, and React, with Next.js, improving maintainability and speed of feature delivery. Integrated REST and GraphQL APIs, enhancing real-time data consumption across stores. Implemented security best practices and SEO optimizations, contributing to stability and organic traffic growth. Styled with Sass, CSS, and Tailwind, ensuring brand consistency and responsive design.