# ROMMARK.DEV > Design & Full-Stack Engineering Excellence — the portfolio and engineering studio of Roman RyzenAdvanced, a Senior Web Architect & Creative Technologist based in Tbilisi, Georgia, building high-converting digital experiences, WebGL interactions, AI-powered tools, and custom web systems. ## About - URL: https://www.rommark.dev/ - Description: Personal portfolio and services of Roman RyzenAdvanced (Rommark Engineering). Custom website design and full-stack development, AI-powered tool integration, and Web3 & blockchain engineering — every project built from scratch with no templates. - Contact: rommark@gmx.com - Location: Tbilisi, Georgia (UTC+4) - Response time: within 2 business hours - Structured data: JSON-LD (Organization, Person, WebSite, ProfilePage, FAQPage) embedded in the homepage head ## Services - Custom Websites: conversion-focused landing pages, portfolios, business sites, and e-commerce storefronts built from scratch. - AI-Powered Tools: chat interfaces, content generators, smart search, recommendation engines, and automated workflows integrated into products. - Web3 & Blockchain: decentralized applications, smart contracts, token systems, and on-chain tools from concept to mainnet deployment. ## Key Pages & Sections - [Homepage](https://www.rommark.dev/): overview of services, live projects, and contact. - [Web Gallery](https://www.rommark.dev/#gallery): 12 live project demos with screenshots. - [Selected Projects & AI Tools](https://www.rommark.dev/#projects): flagship builds and case studies. - [Services](https://www.rommark.dev/#services): core capabilities, at-a-glance list, and engagement model comparison table. - [Process](https://www.rommark.dev/#process): four-step delivery journey — Discovery & Strategy, UX/UI Architecture, Modern Engineering, Launch & Scale. - [Scope Builder](https://www.rommark.dev/#estimator): interactive project scope and price estimator. - [FAQ](https://www.rommark.dev/#faq): answers about services, pricing, timelines, and technologies. - [Playground](https://www.rommark.dev/playground/): experimental web demos and mini-apps. - [Blog](https://claw.rommark.dev/blog/): articles on engineering and design. - [Gitea](https://github.rommark.dev/): self-hosted code repositories. - [GitHub](https://github.com/romangalaxys10-spec): public GitHub profile. ## Technologies React, Next.js, TypeScript, JavaScript, Node.js, Python, Go, Three.js, WebGL, Tailwind CSS, PostgreSQL, Docker, Nginx, Solidity. ## Policies - Robots: https://www.rommark.dev/robots.txt - Sitemap: https://www.rommark.dev/sitemap.xml