Develop Secure MERN Stack SaaS & Web App (GDPR Ready) | Team Advertiser

If you are looking for a "cheap fix," this gig is not for you. But if you need a robust, scalable, and secure web application built by a Lead Developer, you are in the right place. I am the Creator & Lead Developer of Team Advertiser , the platform you are using right now. This proves I don't just write code; I build complex, production-ready ecosystems. My development philosophy is aligned with EU standards: Data Privacy (GDPR), Performance, and Clean Architecture. What I Offer (The "MERN" Mastery): Security First: JWT Auth, XSS Protection, Rate Limiting, and Secure Headers (Helmet.js) essential for the EU market. GDPR Compliance: Built-in Cookie Consent logic, Data Deletion endpoints, and Privacy-focused architecture. Performance: Server-side caching (Redis/Node-Cache), Optimize DB queries, and <1s Load Times. Scalability: Microservices-ready structure, exactly like this platform. Tech Stack: Frontend: React.js / Next.js, Redux Toolkit, Tailwind CSS. Backend: Node.js, Express.js (Enterprise Structure). Database: MongoDB (Aggregations & Indexing). Real-time: Socket.io (for Chat/Notifications). Why Trust Me? Proven Track Record: I built this entire marketplace from scratch. Code