We are Apex Design Studio, a UK-based UI/UX agency. We need an expert Node.js developer to build a secure backend system that connects our internal Figma workspaces directly to a client-facing asset delivery portal.

Scope & Requirements:
I need a highly-optimized, secure Node.js API (NestJS or Express with TypeScript preferred) that fetches active design assets from the Figma API, handles heavy asset processing (on-the-fly watermarking and image scaling), and stores them securely in AWS S3. You will need to implement secure JWT-based client authentication and webhook handlers to listen for asset updates in Figma. Clean, test-driven code is a must.

Key Deliverables:
A fully functional Node.js backend codebase, complete integration with Figma's REST API and webhooks, AWS S3 secure upload/download pipeline with pre-signed URLs, and light documentation for deployment to Heroku or AWS. Please reach out so we can discuss the full API schema and timeline details in chat.

Looking forward to reviewing your proposals and discussing details over chat.