We are seeking an experienced Software Development Agency or Freelance Team to design, develop, and deliver a multi-tenant AI based SaaS platform with integrated AI/ML (LoRA-based NLP), sponsor & enterprise dashboards, and admin controls. The platform will serve SMEs and enterprise users with tiered product offerings, analytics, and payment integrations — built on a scalable, modular architecture. Core System Development • Multi-tenant SaaS Architecture with separate accounts for SMEs, Sponsors, and Admin. • Dynamic Feature Toggling system – Admin can enable/disable modules per tier or tenant. • Admin Dashboard: Tenant management, billing, analytics, compliance controls. • Sponsor Dashboard: ◦ License allocation and usage monitoring ◦ Token pack purchasing & payment integration ◦ SROI & usage analytics ◦ Token consumption forecasting & auto-renewal options • SME Dashboard: Chatbot setup, analytics, onboarding wizard. AI/ML Infrastructure • Language Model: Google Gemma 3 (4B) with LoRA adapters and other required. • Sector-specific LoRA Adapters: Retail, Healthcare, Finance, etc. • Dynamic Runtime Linking of LoRA adapters per tenant. • LoRA Retraining Framework: Ability to retrain models using new datasets. • Multi-Tenant Isolation: Manage concurrent LoRA adapters using S-LoRA with caching. • Precision & Quantization: BF16 (Bfloat16). Web & Dashboard Development • Frontend: Public marketing website + SaaS dashboards. ◦ Homepage, Product Tiers, Pricing, Sponsors, Case Studies, Contact. • Private Dashboards: ◦ SME Portal, Sponsor Dashboard, Master Admin Dashboard. • Technology Stack: React.js / Next.js, TailwindCSS, TypeScript preferred. • Design: Responsive, modern, clean UI/UX (Figma or similar). Backend & Integrations • API-Driven Architecture (REST / GraphQL). • Backend Stack: Node.js / Python / Go (open to recommendation). • Database: PostgreSQL / MongoDB (multi-tenant support). • Integrations: ◦ Payment: SnapScan, Zapper, Stripe. ◦ Communication: WhatsApp API, Email/SMS gateway. ◦ Auth: OAuth 2.0 / JWT. • Hosting: AWS Cape Town (POPIA-compliant). • Analytics: Token usage analytics via API integration. Enterprise & Add-On Modules • Advanced Analytics Package • AI Model Management Suite (LoRA retraining controls) • Enterprise Integration Suite (CRM/ERP connectors) • Sector-specific LoRA development • Deep usage and staff adoption analytics Technical & Security Requirements • POPIA Compliance: Consent, data retention, audit logging. • Scalability: Auto-scaling & load balancing for dynamic workloads. • Security: Role-based access control, encrypted data storage, secure payments. • Deployment: CI/CD pipeline with staging + production environments. Required Skills & Expertise • SaaS Product Development • Multi-tenant Architecture • React.js / Next.js / TailwindCSS • Node.js / Python / FastAPI / Go • PostgreSQL / MongoDB • AI/ML Model Integration (LoRA / Hugging Face / Gemma 3) • API Development & Integration • AWS Cloud (EC2, S3, IAM, CloudWatch, GPU setup) • Figma / UI/UX Design • Payment Gateway Integration • Data Security & Compliance (GDPR / POPIA) Tools & Technologies Frontend: React, Next.js, Tailwind, Redux Backend: Node.js, FastAPI, Django, or Nest.js Database: PostgreSQL / MongoDB ML: Google Gemma 3, PyTorch, LoRA, S-LoRA DevOps: AWS, Docker, CI/CD (GitHub Actions / Jenkins) Integrations: Stripe, WhatsApp API, SnapScan, Zapper Analytics: Custom dashboard + API-based token analytics Engagement Type • Fixed-cost or milestone-based engagement. • End-to-end delivery or module-wise collaboration accepted. • Long-term partnership potential for global rollout and ongoing maintenance. Ideal Partner Profile • Proven experience in building AI & ML, SaaS or enterprise-grade web applications. • Strong communication and agile project management capability. • Ability to work with distributed teams across time zones.