Twilio | Airtable | Railway: Add Voice Calling to Existing Twilio Phone Masking System
3 weeks ago

Job summary
I have a fully functional phone masking system built with Twilio (phone numbers, SMS routing), Airtable (database with Sitters Clients Phone Number Inventory) FastAPI/Python deployed on Railway Zapier automations The system currently handles SMS perfectly when a client texts a sitters masked number it assigns the client a pool number from inventory and routes messages bidirectionally I need the exact same functionality added for voice calls What Currently Works sits each have a dedicated masked Twilio number Pool of ~20 client numbers that get assigned dynamically When client texts sitter system assigns client a pool number both can text through masked numbers All numbers are already voice-capable in Twilio but this functionality is not configured Airtable tracks all sitter/client relationships and number assignments What Needs to Be Built Voice call routing using the same logic as SMS When client calls sitters masked number assign client a pool number if they dont have one forward call When sitter calls clients pool number forward call to clients real number Both directions must work seamlessly Technical Requirements Duplicate build in TEST environment same Twilio account cloned Airtable base test Railway deployment Use Twilio Functions or modify existing Railway FastAPI code Query Airtable for lookups structure as current SMS logic Update documentation for production deployment Please apply ONLY if you can demonstrate required experience This is NOT an entry level project In your proposal Please explain what you have done in previous work photos would be great if you have them similar implementation correlate why good fit this project Contract duration less than month None hours per week Mandatory skills Twilio Airtable Python
Job description
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