SaaS CV Builder Platform

Senior Full-Stack Engineer Needed – Greenfield SaaS ([login to view URL] + Express + MongoDB) I’m launching a greenfield SaaS platform that enables users to craft polished CVs and cover letters through a modern, intuitive builder. The stack is fixed: [login to view URL] (App Router) + [login to view URL] + MongoDB I’m looking for a senior-level engineer (or a proven small team) to own the system end-to-end — from architecture design to production deployment. This is not a prototype project. The goal is to build a scalable, monetizable SaaS foundation. What I’m Looking For Architecture & Code Quality Production-grade code following Clean Architecture principles Clear separation of concerns (domain, application, infrastructure layers) Extensible domain models that support future features Maintainable folder structure and documented decisions Performance & SEO Proper SSR/SSG strategy for crawlable public pages SEO-ready meta management Structured data implementation Sub-200 ms API response times (95th percentile target) Lighthouse scores above 90 (Core Web Vitals) Data & Monetization Readiness Thoughtful MongoDB schema design with efficient indexing Subscription-ready architecture (Stripe integration hooks) Support for future free tier monetized via Google AdSense Clean separation between free and premium features Security Standards OWASP-aligned implementation Secure JWT handling & refresh strategy Rate limiting & request validation Encrypted sensitive fields No high/critical vulnerabilities on final scan Automated tests covering critical flows Internationalization English-first implementation Architecture prepared for adding new locales without refactoring Proper RTL readiness strategy (for future languages) User Experience Smooth, performant UI Optimized rendering strategy Efficient API design Minimal client-side overhead Key Deliverables 1️⃣ Solution Architecture Document System design overview Folder structure Deployment plan Scaling strategy 2️⃣ Fully Responsive [login to view URL] Frontend Reusable component system Clean state management Optimized rendering 3️⃣ Express API Layer REST (or GraphQL if strongly justified) JWT authentication Role-based access control Stripe subscription integration 4️⃣ MongoDB Schema Scalable document structure Proper indexing Clean relations strategy 5️⃣ Admin Dashboard User management Subscription analytics SEO page management 6️⃣ CI/CD Pipeline GitHub Actions (or equivalent) Automated deployment to Vercel / AWS / Render (open to recommendation) 7️⃣ Test Coverage Unit tests Integration tests Basic E2E tests Clear README with full setup instructions Acceptance Criteria Public pages render without client-side JS for bots Structured data passes validation tests API 95th percentile latency < 200 ms (staging benchmark) No high/critical vulnerabilities in final security scan Full deployment reproducible from repository instructions

Projekt-ID: 40251967