Victor Craft

Freelance Contractor

Freelance • Freiberufler

Mar 2025 - Present • 1 yr 5 mos

- Full stack saas applications: - Complete process from gathering customer's requirements to app deployment in production - Backend with Python FastAPI, Pydantic, SQLAlchemy ORM, PostgreSQL, Redis, Postman - Frontend with Typescript, React, Sass/SCSS, Jest, shadcn ui - DevOps: Docker, git, GitHub Actions Development of RAG (Generative Augmented Retrieval) systems: • Document processing: PDF (PyPDF), CSV, Word, etc. • Text segmentation, preprocessing, and categorization with NLP • Framework: LangChain with LLMs (LLaMA, Claude, z.ai) • Vector database: pgVector (PostgreSQL) / Elasticsearch • Frontend: React with TypeScript • Backend: FastAPI (Python) WPO (Web Performance Optimization) Redis cache, DB optimization, PHP-FPM, Nginx and LiteSpeed advanced WHM/cPanel server management VPS and dedicated servers with multidomain management Backup and recovery infrastructure, safe update server hardening (SSH and IP hardening, DoS, etc ...) SEO (Ahrefs, semrush, screaming frog, etc ...) domain management (registry, migration, DNS, SSL, etc ...) Server / Wordpress / Plugin / Theme troubleshoot and maintenance Shopify Apps WMS (Warehouse Management System) + Dropshipping app Prisma, Node.js and React admin API, storefront, graphQL Odoo modules and integrations REST API, Python, Javascript and XML API integrations ERP Frappe ERPNext install and deploys in servers with docker module development, troubleshoot and API integrations Full Stack Apps HRMS (Human Resource Management System), CRMs, ERPs python, FastAPI, Typescript, React Artificial Intelligence services ChatGPT, Anthropic’s Claude, Midjourney, Gemini and DeepSeek app wrappers REST API integrations, RAG systems n8n/make automation flows (self hosted set up and deployments)

Full Stack Developer

AppTension • Vollzeit

Sep 2023 - May 2025 • 1 yr 8 mos

SaaS frontend development with React Compose test and document UI components with Storybook Context API / Zustand React Router CLI, npm, babel and webpack CSS Styled Components Tailwind CSS Material UI, shadcn ui CSS Preprocessors SASS and SCSS SaaS backend development with Python, FastAPI SQLAlchemy Docker AWS, ansible QA Quality Assurance Unit testing with Pytest Test/Mock APIs E2E (end-to-end) testing with Playwright / Selenium Cross-browser compatibility testing Web development with Wordpress/Woocommerce and Shopify From figma to Wordpress / Shopify with HTML, CSS and Javascript Plugin development with PHP and CSS Shopify App development with Javascript, React and Node.js Wordpress Advanced Custom Fields (ACF) Template and theme development with Javascript, jQuery and Ajax API Integrations

Full Stack Developer

Smart Market • Vollzeit

Nov 2016 - Oct 2021 • 4 yrs 11 mos

Frontend development with HTML5, CSS3, JavaScript (ES6+) WordPress Plugin development with PHP Integration with third-party APIs Development of custom endpoints for WP and WooCommerce APIs Application development in Python Backend, APIs with FastAPI ETL, Process automation Web scraping: captchas, proxies, and rotating IPs Web development with LAMP stack (Linux, Apache, MySQL, PHP). Linux VPS server administration cPanel / Plesk - Installation, configuration, administration, and incident resolution