03/14/2026 updated
100 % available
Full-Stack Entwickler | Experte für Shopify, React & KI-Automatisierung (Node.js/Next.js)
Marbella, Spain
Worldwide
Self-Taught Full-Stack DevelopmentAbout me
Full-Stack Engineer spezialisiert auf React, Next.js & Shopify (OS 2.0). Ich entwickle performante E-Commerce-Lösungen und KI-Automatisierungen (n8n, LLMs). Fokus auf saubere Architektur und DevOps (Docker). Arbeitssprache: Englisch.
JavaScriptApplication Programming Interfaces (APIs)Artificial IntelligenceAuthenticationsAutomationLinuxDevOpsE-CommerceGitHubInfrastructure ManagementJSONLinux ServersNGINXNode.jsDigitalocean
Frontend Development
React, Next.js, TypeScript, JavaScript (ES6+), Tailwind CSS, responsive UI, component-driven development
Backend Development
Node.js, Express, FastAPI, REST APIs, Webhooks, authentication (JWT/session)
AI & Automation
Gemini/OpenAI API integrations, prompt engineering, building internal AI tools, n8n workflows, data processing pipelines
Shopify Development
Liquid, Online Store 2.0 JSON templates, custom sections, Storefront API, storefront optimization
DevOps & Infrastructure
Docker, GitHub Actions, Linux servers, DigitalOcean deployments, Nginx reverse proxy, SSL certificates, basic networking
Tools & Workflow
VS Code, Git, Linux terminal, Markdown documentation, GitHub Projects for task tracking
React, Next.js, TypeScript, JavaScript (ES6+), Tailwind CSS, responsive UI, component-driven development
Backend Development
Node.js, Express, FastAPI, REST APIs, Webhooks, authentication (JWT/session)
AI & Automation
Gemini/OpenAI API integrations, prompt engineering, building internal AI tools, n8n workflows, data processing pipelines
Shopify Development
Liquid, Online Store 2.0 JSON templates, custom sections, Storefront API, storefront optimization
DevOps & Infrastructure
Docker, GitHub Actions, Linux servers, DigitalOcean deployments, Nginx reverse proxy, SSL certificates, basic networking
Tools & Workflow
VS Code, Git, Linux terminal, Markdown documentation, GitHub Projects for task tracking
Experience
Professional experience5 - 10 years
Freelancer since2020
Languages
EnglishFluentPolishFluentUkrainianNative speaker
Project history
Designed and maintained a personal development ecosystem combining frontend, backend, automation tools, and deployment workflows. Built an AI dashboard on Next.js with integrations to Gemini and OpenAI for internal automation and data generation. Created several automation pipelines in n8n to process webhooks, move data between services, and run background tasks. Deployed containerized applications on a DigitalOcean Linux server using Docker, including Nginx reverse proxy and automatic deployment from GitHub. Documented architectures, API flows, and deployment steps in Markdown, using GitHub for version control and issue tracking.
Developed custom Shopify Online Store 2.0 themes using Liquid and JSON templates. Built UI sections, product blocks, dynamic components, and custom storefront logic. Worked with Storefront API to enhance store features and improve performance. Wrote small Node.js utilities for inventory handling and admin-side convenience tasks. Improved theme structure and loading speed through layout optimization and simplified component logic.