Freelance Job: Full-Stack Developer — Build a Tiered AI Voice Assistant SaaS

Full Description

We’re building a SaaS platform powered by voice AI that makes human-like outbound calls, books appointments, and automates follow-ups — saving businesses time and helping them scale.

The platform will include tiered pricing plans, modular add-ons, and integrations with calling and AI tools (like Twilio and ElevenLabs).

What You’ll Build

• The core voice assistant platform (frontend + backend)

•Integration with Twilio for call management, logging, and recording

• Text-to-speech voice generation via OpenAI, ElevenLabs, or similar

• User dashboard to view call logs, booking results, and lead summaries

• Role-based multi-user accounts

• Call tagging, smart summaries, appointment scheduling, calendar integration

• Ability to scale features by tier (e.g., Starter, Pro, Growth plans)

• Modular add-on system (e.g., voice cloning, advanced analytics, CRM integration)

• Consent logging & basic TCPA compliance

Ideal Skills

• Full-stack experience (React, Node.js or similar modern stack)

• Strong experience integrating Twilio or other voice APIs

• Familiarity with AI/LLM integration (e.g. GPT-4, Whisper, ElevenLabs)

• SaaS app architecture and tiered billing models

• Experience building dashboards and analytics tools

• Bonus: Familiarity with compliance requirements (e.g., TCPA, GDPR)

Workflow & Expectations

• Develop in clear, testable milestones

• Provide progress updates (screenshots, demo links, or staging)

• Work closely with myself to shape features and user flow