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Hi, I’m Paulo Ziembick, a Senior Full-stack Engineer based in São Paulo. I help build scalable web applications using React, TypeScript, Node.js, and Python, with a focus on high-performance APIs, automation, and robust CI/CD. Over 7+ years of experience delivering digital commerce platforms for global brands, I enjoy tackling complex ERP and CRM integrations, optimizing data synchronization, and elevating user engagement. I thrive on clean architectures, maintainable code, automated workflows, and collaborative teamwork. I’ve led end-to-end development for brands like Granado Group, Boardriders Group, Grupo Sinal, and BAW Clothing, modernizing legacy systems and driving performance improvements. I’m passionate about building reliable systems and bridging business needs with technical solutions.…Hi, I’m Paulo Ziembick, a Senior Full-stack Engineer based in São Paulo. I help build scalable web applications using React, TypeScript, Node.js, and Python, with a focus on high-performance APIs, automation, and robust CI/CD. Over 7+ years of experience delivering digital commerce platforms for global brands, I enjoy tackling complex ERP and CRM integrations, optimizing data synchronization, and elevating user engagement. I thrive on clean architectures, maintainable code, automated workflows, and collaborative teamwork. I’ve led end-to-end development for brands like Granado Group, Boardriders Group, Grupo Sinal, and BAW Clothing, modernizing legacy systems and driving performance improvements. I’m passionate about building reliable systems and bridging business needs with technical solutions.

Paulo Ziembick

Full Stack Developer, Web Developer, Front-End Developer, +2

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Hi, I’m Paulo Ziembick, a Senior Full-stack Engineer based in São Paulo. I help build scalable web applications using React, TypeScript, Node.js, and Python, with a focus on high-performance APIs, automation, and robust CI/CD. Over 7+ years of experience delivering digital commerce platforms for global brands, I enjoy tackling complex ERP and CRM integrations, optimizing data synchronization, and elevating user engagement. I thrive on clean architectures, maintainable code, automated workflows, and collaborative teamwork. I’ve led end-to-end development for brands like Granado Group, Boardriders Group, Grupo Sinal, and BAW Clothing, modernizing legacy systems and driving performance improvements. I’m passionate about building reliable systems and bridging business needs with technical solutions.…Hi, I’m Paulo Ziembick, a Senior Full-stack Engineer based in São Paulo. I help build scalable web applications using React, TypeScript, Node.js, and Python, with a focus on high-performance APIs, automation, and robust CI/CD. Over 7+ years of experience delivering digital commerce platforms for global brands, I enjoy tackling complex ERP and CRM integrations, optimizing data synchronization, and elevating user engagement. I thrive on clean architectures, maintainable code, automated workflows, and collaborative teamwork. I’ve led end-to-end development for brands like Granado Group, Boardriders Group, Grupo Sinal, and BAW Clothing, modernizing legacy systems and driving performance improvements. I’m passionate about building reliable systems and bridging business needs with technical solutions.

Available to hire

Hi, I’m Paulo Ziembick, a Senior Full-stack Engineer based in São Paulo. I help build scalable web applications using React, TypeScript, Node.js, and Python, with a focus on high-performance APIs, automation, and robust CI/CD. Over 7+ years of experience delivering digital commerce platforms for global brands, I enjoy tackling complex ERP and CRM integrations, optimizing data synchronization, and elevating user engagement.

I thrive on clean architectures, maintainable code, automated workflows, and collaborative teamwork. I’ve led end-to-end development for brands like Granado Group, Boardriders Group, Grupo Sinal, and BAW Clothing, modernizing legacy systems and driving performance improvements. I’m passionate about building reliable systems and bridging business needs with technical solutions.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Portuguese

Fluent

English

Fluent

Work Experience

Senior Fullstack Software Engineer at Grupo Rojemac

January 1, 2026 - Present

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

Fullstack Software Engineer at Grupo Rojemac

January 1, 2025 - Present

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.

Mid Front-End Software Engineer at Econverse

September 1, 2024 - January 1, 2026

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.

Front-End Software Engineer at Econverse

September 1, 2024 - January 1, 2025

E-commerce development 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, DCShoes). Creation of interactive, responsive interfaces and reusable components using TypeScript, JavaScript and Scriban in React, Next.js, ensuring scalability, performance, and maintainability. Integration of REST and GraphQL APIs for dynamic data fetching, improving operational efficiency and user experience across multiple stores. Implementation of security best practices and SEO optimization. Styling with Sass, CSS, and Tailwind CSS, maintaining brand consistency.

Front-End Software Engineer at Sparta

July 1, 2024 - November 1, 2024

Development of responsive and interactive interfaces using React/Vite with TypeScript. Integration and development of multiple REST APIs. Creation of Storybook and testing using JEST. Design of attractive and consistent interfaces with Tailwind CSS. Development of the Design System and reusable components.

Front-End Software Engineer & Tech Governance at Clickbus

June 1, 2023 - May 1, 2024

Automation of unit tests in JavaScript and end-to-end (E2E) testing using Cypress for frontend applications. Active participation in technology projects. Implementation of user interfaces (UI) for the web. Issuance and management of purchase orders for technology vendors. Detailed analysis and control of technology vendor budgets. Management and administration of technology contracts, ensuring compliance and efficiency.

Front-End Software Engineer at Zoio Brands

November 1, 2022 - June 1, 2024

Development and maintenance of static and dynamic web applications. Creation of websites, landing pages, e-commerce platforms, and blogs using Next.js, React, JavaScript, TypeScript. Styling with CSS, SASS, and Tailwind CSS. Integration of RESTful and GraphQL APIs for data fetching. Backend development experience with Node.js, Prisma, Docker, PostgreSQL, and NestJS.

Front-End Software Engineer at Zoio Brands

November 1, 2020 - June 1, 2023

Development and maintenance of static and dynamic web applications. Creation of websites, landing pages, e-commerce platforms, and blogs. Using Next.js, React, JavaScript, TypeScript for development, and CSS, SASS, and Tailwind CSS for styling. Integration of RESTful and GraphQL APIs for data fetching. Backend development experience with Node.js, Prisma, Docker, PostgreSQL, and NestJS.