Description
Summary We are a boutique M&A advisory firm seeking an experienced full-stack developer to build a proprietary internal deal management platform. This is a two-phase engagement: a fixed-price build followed by an ongoing monthly maintenance agreement. The platform includes: Internal admin dashboard for managing deal listings, a buyer database, broadcast email campaigns, NDA tracking, and secure data rooms Buyer-facing portal with invite-only registration, per-listing NDA execution, and tiered document access control Required experience: E-signature API integration (HelloSign or DocuSign) SendGrid broadcast email with domain authentication AWS S3 secure file storage using signed URLs JWT-based authentication and tiered access control PostgreSQL database design Build budget: $5,000–$8,000 fixed price, milestone-based Maintenance: Ongoing monthly retainer post-delivery — include your proposed rate Requirements: 90%+ Job Success Score, 1,000+ hours billed on Upwork Schedule: We are flexible but would like to see completion within 2 months. A detailed job posting is attached to this listing outlining the full build scope, portal workflow, tech stack, milestone structure, and maintenance expectations. Please review before submitting your proposal. Generic proposals will not be reviewed.