Rajrishi D.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Production voice AI and contact-center systems handling 100K+ calls a year, built on Amazon Connect, Twilio and AWS. I'm an Expert-Vetted freelancer (Top 1% on Upwork) with 100% Job Success, a 3X Certified AWS Professional, and I have 18+ years in cloud architecture and customer experience. I design and build the whole system: telephony, AI agents, backend services and the agent-facing screens. RECENT RESULTS ━━━━━━━━━━━━━━━━━ ▪ Law-firm intake platform on Amazon Connect: about 105K voice calls in 12 months, with live transcription, AI call summaries and an Agent Assist panel for staff. Missed calls fell from 52 a month to under 10. ▪ AI voice agents on Vapi, Retell and ElevenLabs: bilingual phone ordering, outbound lead qualification and inbound support triage with transfers to the right team. ▪ Cloud contact center for patient support: calls, voicemail and WhatsApp in one place, with per-program queues, after-hours handling and missed-contact alerts. WHAT I BUILD ━━━━━━━━━━━━━━━━━ ▪ Amazon Connect and Twilio contact centers: flows, queues, Contact Lens, Connect Streams API and custom CCP; Twilio Flex plugins, TaskRouter, Programmable Voice/SMS/WhatsApp and Media Streams. ▪ Voice AI agents: Vapi, Retell.ai and ElevenLabs, with Amazon Bedrock, OpenAI and Claude behind them, plus knowledge-base lookups (RAG), live smart replies and call summaries. ▪ Law-firm and CRM intake: lead lookup, call routing and automatic call logging, with Salesforce integration. ▪ Real-time analytics and transcription: live transcripts and dashboards using AppSync, Kinesis, Transcribe and Comprehend. CORE TECH STACK ━━━━━━━━━━━━━━━━━ ▪ AWS: Amazon Connect, Lambda, API Gateway, DynamoDB, AppSync, Bedrock, Textract, Transcribe, S3, SQS, EventBridge, CloudFormation. ▪ Twilio: Flex, TaskRouter, Studio, Functions, Programmable Voice/SMS/WhatsApp. ▪ Backend and frontend: Node.js (Fastify and Express), React and Tailwind CSS for agent and supervisor dashboards. ▪ AI and NLP: Vapi, Retell.ai, ElevenLabs, Amazon Bedrock (Agents and Knowledge Bases), OpenAI, Claude, Dialogflow CX, Amazon Lex. ▪ Security: mTLS, secure token exchange and Secrets Manager for sensitive workflows. CERTIFICATIONS ━━━━━━━━━━━━━━━━━ 1. AWS Certified Solutions Architect - Associate 2. AWS Certified Developer - Associate 3. AWS Certified SysOps Administrator - Associate 4. Twilio Flex & API Accredited Specialist Tell me what you're trying to automate and I'll tell you how I'd build it.