# Hassan Gul - Senior Technical Architect > Independent Senior Technical Architect and Web Consultant with 12+ years of experience engineering high-performance Next.js 15, React, and Sanity CMS platforms for startups and enterprises. Hassan Gul specializes in building scalable frontend architectures, seamless WordPress-to-Next.js headless migrations with zero SEO loss, and custom AI agent integrations. ## Core Documentation & Pages - [Home](https://hassangul.com/): Official homepage with full portfolio, core architecture value proposition, and client testimonials. - [Services](https://hassangul.com/services): Comprehensive catalog of development services including Next.js web applications, headless CMS, and technical SEO audits. - [Pricing](https://hassangul.com/#pricing): Transparent project-based pricing tiers, migration packages, and monthly engineering retainers. - [Testimonials](https://hassangul.com/testimonials): Verified client reviews and case studies from global clients and enterprises. - [Blog](https://hassangul.com/blog): In-depth technical articles on Next.js 15 App Router, Core Web Vitals optimization, and RAG architecture. - [Gigs & Microservices](https://hassangul.com/microservices): Fixed-price development gigs with guaranteed delivery times including WordPress to Next.js migrations, Core Web Vitals fixes, and Sanity CMS setup. - [About Hassan Gul](https://hassangul.com/author/hassan-gul): Background, philosophy, NFTP Master Trainer credentials, and industry awards. ## Fixed-Price Gigs & Microservices - [WordPress to Next.js Migration](https://hassangul.com/microservices/wordpress-to-nextjs-migration): 100% 301 SEO redirect preservation, sub-300ms speed, and Sanity CMS setup. - [Core Web Vitals 100/100 Optimization](https://hassangul.com/microservices/core-web-vitals-optimization): Guaranteed 90-100/100 PageSpeed scores and passed LCP/INP/CLS metrics. - [Custom AI Assistant & RAG Integration](https://hassangul.com/microservices/custom-ai-assistant-integration): Bespoke conversational AI agent and vector search pipeline. - [Sanity Studio v3 Architecture](https://hassangul.com/microservices/sanity-cms-development): Modular page builders, live presentation editing, and on-demand ISR. - [Stripe Checkout & Subscription Billing](https://hassangul.com/microservices/stripe-checkout-integration): Resilient payment flows, customer portal, and Edge webhooks. - [Technical SEO & GEO Audit](https://hassangul.com/microservices/technical-seo-schema-audit): Nested JSON-LD schema entity graph and LLM discovery optimization. - [Next.js 15 SaaS MVP Build](https://hassangul.com/microservices/nextjs-mvp-development): Full-stack SaaS application with auth, database, and Stripe in 2-3 weeks. - [Hostinger & Cloud Server Migration](https://hassangul.com/microservices/hostinger-website-migration): Flawless zero-downtime website, MySQL, SSL, and DNS transfer. ## Technical Architecture & Offerings - [Next.js Enterprise Architecture](https://hassangul.com/services/b2b-software-development): Sub-300ms load time web applications built with React Server Components. - [Headless CMS & Sanity Studio](https://hassangul.com/services/b2b-saas-portal): Custom CMS schema design, visual preview editing, and automated content workflows. - [AI Agents & LLM Pipelines](https://hassangul.com/services/b2b-saas-dashboard-development): Custom Retrieval-Augmented Generation (RAG) and intelligent agent integrations. ## Optional - [Privacy Policy](https://hassangul.com/privacy-policy): Privacy and data retention policies. - [Terms of Service](https://hassangul.com/terms-of-service): Terms of engagement and service agreements. - [Refund Policy](https://hassangul.com/refund-policy): Project milestone and retainer cancellation policies. - [Full Text Summary](https://hassangul.com/llms-full.txt): Complete uncurated site contents and architectural specifications for LLM context windows.