Senior Full-Stack Developer (Next.js / Node.js / PostgreSQL) to Build Mortgage Platform Foundation.

Senior Full-Stack Developer (Next.js / Node.js / PostgreSQL) needed for Mortgage Platform Foundation. Description Mortgage platform is a next-generation digital mortgage platform that will unify the entire mortgage journey: mortgage customers, appraisers, interpreters, inspectors, and notaries. The platform will offer digital workflows, calculation tool integration, document automation, real-time insight, and future AI-powered modules. We want to start immediately with a scalable, future-proof architecture, so we never need to migrate to another system later.Therefore, we are looking for aSenior Full-Stack Developer to build Phase 1, the foundation of the entire platform. Project Scope (Phase 1)Frontend – Next.jsMarketing website (home + internal pages)Reusable UI componentsResponsive designDashboard layout for customer/adviser portalsDeployment on VercelBackend – Node.js or NestJSScalable backend API structureREST or GraphQL endpointsAuthentication (JWT or Supabase Auth)Role-based access (admin, adviser, customer, partner)Secure routing & authorizationDatabase – PostgreSQL or SupabaseSchema design for users, roles, profiles, documents, workflowsMigrations + initial seed dataRelational structure for future modulesPlatform FoundationClean and scalable folder structureError handling & loggingIntegration-ready architecture (insurers, appraisers, notaries, etc.)Documentation for future developmentDeliverablesFully deployed Next.js marketing websiteBackend API architecture (Node.js or NestJS)PostgreSQL/Supabase database design and setupWorking authentication system (JWT or Supabase Auth)Multi-role access control (admin, adviser, customer)Base dashboard layout with routingScalable modular code structureTechnical documentationRequirementsStrong experience with:Next.jsNode.js or NestJSTypeScriptPostgreSQL or SupabaseAuthentication (JWT / RBAC / OAuth / Supabase Auth)REST or GraphQLExperience with SaaS platforms or portalsClean architectural thinkingStrong communication skillsNice to HaveExperience with fintech or workflow systemsAI integrations (OpenAI, document processing)Vercel or AWS deployment knowledgeProject TypeFixed pricePhase 1 now, long-term collaboration possible.BudgetMaximum $5,000 (depending on experience and delivery speed). (Negotiable)Recommended MilestonesMilestone 1 – Architecture & SetupEnvironment setup, repository, deployment, project structure. Milestone 2 – Next.js WebsiteMarketing pages, UI components, responsive layout. Milestone 3 – Database & AuthenticationPostgreSQL/Supabase schema, role system, JWT/Auth integration. Milestone 4 – Backend APICore API routes, security, error handling. Milestone 5 – Dashboard FoundationBase dashboard UI, routing, role-based access.Please include:Portfolio or live project linksGitHub profileExamples of SaaS or platform-style projects you builtA short explanation of your approach to Phase 1Your fixed-price proposal or estimation Apply tot his job