Marcin S

Founder & Full Stack Developer — Full Stack Wizard

Full Stack Wizard - https://fullstackwizard.dev/ • Selbstständig

Aug 2025 - Present • 9 mos

Building bespoke digital experiences for ambitious brands through modern, high-performance web technologies. Combining technical precision with creative strategy to deliver measurable business growth. • Develop custom WordPress and React applications built for performance, SEO, and scalability. • Integrate third-party APIs and automation workflows to streamline operations and data flow. • Optimize websites for speed, conversion, and search visibility, aligning design with marketing goals. • Architect serverless and cloud-based solutions for reliability and cost efficiency. • Collaborate with clients to turn complex digital challenges into elegant, profitable solutions. Building bespoke digital experiences for ambitious brands through modern, high-performance web technologies. Combining technical precision with creative strategy to deliver measurable business growth. • Develop custom WordPress and React applications built for performance, SEO, and scalability. • Integrate third-party APIs and automation workflows to streamline operations and data flow. • Optimize websites for speed, conversion, and search visibility, aligning design with marketing goals. • Architect serverless and cloud-based solutions for reliability and cost efficiency. • Collaborate with clients to turn complex digital challenges into elegant, profitable solutions. Skills: Full Stack Web Development (React, .NET, PHP) · Automation & API Integration · SEO & Performance Engineering · UX-Driven Design & Development · Strategic Technical Consulting

Co-Founder & Full Stack Developer — KAMAR Zabawki (E-Commerce)

KAMAR Zabawki - https://www.kamar-zabawki.pl/ • Selbstständig

Sep 2023 - Present • 2 yrs 8 mos

Built and scaled a WooCommerce-based online toy store into a fully automated, performance-driven retail platform. Combined business strategy with technical execution to create a self-running e-commerce ecosystem. • Developed custom WooCommerce plugins for supplier integration, tracking automation, and returns management. • Engineered cron-based workflows and email parsers to automate order updates, inventory sync, and customer communication. • Optimized site SEO architecture, improving visibility and organic traffic while maintaining fast load performance. • Designed analytics and margin dashboards to monitor order profitability and streamline decision-making. • Oversaw full digital strategy — from infrastructure and automation to UX and marketing execution. Built and scaled a WooCommerce-based online toy store into a fully automated, performance-driven retail platform. Combined business strategy with technical execution to create a self-running e-commerce ecosystem. • Developed custom WooCommerce plugins for supplier integration, tracking automation, and returns management. • Engineered cron-based workflows and email parsers to automate order updates, inventory sync, and customer communication. • Optimized site SEO architecture, improving visibility and organic traffic while maintaining fast load performance. • Designed analytics and margin dashboards to monitor order profitability and streamline decision-making. • Oversaw full digital strategy — from infrastructure and automation to UX and marketing execution. Skills: E-Commerce Automation (WooCommerce / PHP) · Full-Stack Development · SEO & Performance Optimization · Business Process Engineering · Entrepreneurial Leadership

Full Stack Developer — React & .NET Architecture Enhancements

eLogic Genesis (powered by CAMP) • Vollzeit

Jun 2023 - Aug 2025 • 2 yrs 2 mos

Delivered advanced functionality and structural improvements to modernize and scale a complex web application. • Designed and implemented a File Manager with bulk upload/download, custom tagging, and streamlined asset handling. • Built a Form Creator with dynamic user assignment to improve workflow flexibility. • Refactored backend API endpoints to a CQRS architecture using MediatR, boosting performance and maintainability. • Engineered recursive CRUD operations for managing deeply nested hierarchical data. • Integrated Zodios with React Query to unify data fetching and mutation patterns across the app. Delivered advanced functionality and structural improvements to modernize and scale a complex web application. • Designed and implemented a File Manager with bulk upload/download, custom tagging, and streamlined asset handling. • Built a Form Creator with dynamic user assignment to improve workflow flexibility. • Refactored backend API endpoints to a CQRS architecture using MediatR, boosting performance and maintainability. • Engineered recursive CRUD operations for managing deeply nested hierarchical data. • Integrated Zodios with React Query to unify data fetching and mutation patterns across the app. Skills: Software Architecture (CQRS & MediatR) · Advanced Front-End Engineering · API Design & Integration · Performance & Workflow Optimization.