Full-stack developer

We need a developer who already has a working ESG / Sustainability Reporting platform that can be customized and delivered as a complete multi-tenant SaaS solution. MANDATORY: You must provide a walkthrough video or live demo credentials of your existing platform in the bid. Bids without this will be eliminated. Required Features Email + OTP login Multi-entity structure (Company, Entities, Branches, Regions) Stakeholders management + Survey tool Materiality assessment Metrics/KPIs management (assign to entities, enable/disable) Data collection with evidence upload and approval workflow Customizable dashboards with filters, ESG scores, SDG alignment, and performance tracking Multi-framework reporting (GRI, ISSB, SASB, TCFD, GHG Protocol) Settings: branding (logo & colors), ESG weights, user permissions, audit trail Backend control over all front-end features and entity-level settings Technical Requirements Fully functional and connected to a database Secure (multi-tenant isolation + security and vulnerability testing) Clean, reviewed code (AI tools allowed, but final code must be fully tested) Full source code ownership transferred English + Arabic (RTL) How to Bid Include: Walkthrough video or demo login Short note on your previous similar platform Fixed price and timeline