Full Stack React AI-Native Developer for B2B Sales Intelligence SaaS

We are looking for an experienced Full-Stack AI-Native Developer to build a modern B2B Sales Intelligence and AI Outreach SaaS platform from concept to production. The product will help sales teams manage prospects, enrich lead data, generate personalized outreach with AI, track engagement, and automate parts of the sales workflow from one dashboard. The developer should be comfortable owning the complete product stack, including frontend, backend, database architecture, integrations, AI functionality, deployment, and ongoing improvements. Core technology stack: JavaScript TypeScript React Next.js Node.js PostgreSQL Supabase Python Key high-level features: Multi-tenant SaaS dashboard for companies and sales teams Lead and contact management CSV import and prospect data enrichment AI-generated personalized emails and LinkedIn outreach AI lead qualification and scoring Prospect segmentation and filtering Sales pipeline and opportunity tracking Email sequence and follow-up automation Activity feed with calls, emails, notes, and status changes Integration with third-party CRM and sales tools Email provider integration and webhook processing User roles, permissions, and team workspaces Analytics for outreach, replies, conversion, and pipeline performance Subscription and billing management Admin panel for managing customers, usage, and plans AI usage tracking and token/cost monitoring Notifications and background jobs Production deployment, monitoring, and performance optimization Potential future React Native mobile application AI functionality may include: Personalized outreach generation Lead/company research summaries Automated reply classification Suggested follow-up messages Lead scoring and prioritization Conversation summarization AI sales assistant / copilot Automated workflow recommendations