You will get an AI-powered callbot using GPT-4, Twilio, and Whisper/Deepgram
Top Rated
Top Rated
Project details
You will get a fully functional AI-powered voicebot that can understand natural language, hold human-like conversations, and respond intelligently over phone calls—powered by GPT-4, Twilio, Whisper, Bland.ai and more. I specialize in building smart callbots that handle customer support, appointment scheduling, lead qualification, and more.
With 6+ years of experience in full-stack and AI integration projects, I focus on building scalable, production-ready voicebots. From handling speech-to-text (Whisper) and intelligent GPT-4 replies to setting up Twilio voice flows and webhook integrations, I deliver clean, well-documented solutions you can deploy instantly.
Whether you’re a startup or enterprise, you’ll receive an AI voice assistant that’s reliable, customizable, and tailored to your use case. All code delivered is 100% original, optimized, and ready for real-world use.
With 6+ years of experience in full-stack and AI integration projects, I focus on building scalable, production-ready voicebots. From handling speech-to-text (Whisper) and intelligent GPT-4 replies to setting up Twilio voice flows and webhook integrations, I deliver clean, well-documented solutions you can deploy instantly.
Whether you’re a startup or enterprise, you’ll receive an AI voice assistant that’s reliable, customizable, and tailored to your use case. All code delivered is 100% original, optimized, and ready for real-world use.
AI Algorithms
Large Language Model, Multimodal Large Language ModelAI Applications
AI Chatbot, AI Content Creation, AI Mobile App Development, AI Text-to-Image, AI Text-to-Speech, Automatic Speech Recognition, Conversational AI, Natural Language Generation, Natural Language Understanding, Sentiment Analysis, Text RecognitionAI Development Language
PythonAI Tools
Azure OpenAI, GitHub CopilotAI Models
BERT, GPT-4, LaMDA, LLaMA, Midjourney AI, Stable Diffusion, WhisperWhat's included
| Service Tiers |
Starter
$300
|
Standard
$450
|
Advanced
$600
|
|---|---|---|---|
| Delivery Time | 3 days | 5 days | 7 days |
Number of Revisions | 1 | 1 | 1 |
AI Model Integration | |||
Batch Normalization | - | - | - |
Database Integration | |||
Detailed Code Comments | |||
Image Upscaling | - | - | - |
MLOps | - | - | - |
Model Deployment | |||
Model Documentation | - | ||
Model Monitoring | - | - | |
Model Testing & Optimization | |||
Model Tuning | - | ||
Natural Language Processing | |||
NLP Tokenization | - | ||
Pre-Training | - | - | - |
Prompt Engineering | |||
Setup File | |||
Source Code |
Optional add-ons
You can add these on the next page.
Additional Revision
+$60
Agent Memory
(+ 1 Day)
+$100
Voice Cloning
(+ 2 Days)
+$300
Custom CRM Integration
(+ 2 Days)
+$250Frequently asked questions
17 reviews
(16)
(1)
(0)
(0)
(0)
This project doesn't have any reviews.
EL
Evan L.
Jul 13, 2026
Clickable Prototype Development for Apartment Marketplace
MS
Michael S.
Jul 9, 2026
Update SSL Certificates on 3 websites
Harasis did a marvelous job. This is the second time I’ve engaged him. He is responsive, personable, timely, knowledgeable, and very competent with his work on my websites. I would (will) hire him again for future work!
EL
Evan L.
Apr 6, 2026
Custom Client Management Portal for Brokers
MS
Michael S.
Nov 19, 2025
Need help with XenForo app and other domains running on Digital Ocean - currently crashed
I will hire him again! Very satisfied customer!
MC
Max C.
Oct 29, 2025
Online payment gateway specialist needed
Harasis is the greatest specialist I met and a good person as well. I highly recommend him for your projects.
About Harasis
Full Stack Developer| AI Automation & Custom SaaS (Python, React, API)
100%
Job Success
Bakersfield, United States - 7:35 pm local time
I work across the entire development lifecycle—from planning architecture and building intuitive frontends to developing secure backends, APIs, and deploying production-ready applications.
My core technologies include:
• Python (FastAPI, Django)
• JavaScript/TypeScript
• React, Next.js
• Node.js, Express
• PostgreSQL, MySQL, MongoDB
• AWS, Docker, Cloudflare, Git
• OpenAI, Twilio, Stripe, Mapbox, and other third-party API integrations
I've built:
✅ AI-powered workflow automation platforms
✅ Custom CRM and ERP systems
✅ Multi-vendor marketplaces and SaaS applications
✅ Admin dashboards and business management portals
✅ AI chatbots and voice automation solutions
✅ REST APIs and complex third-party integrations
✅ Internal tools that automate repetitive business processes
I focus on writing clean, maintainable, and scalable code while keeping communication transparent throughout the project. Whether it's building a product from scratch, modernizing an existing application, or integrating AI into your workflow, I deliver solutions that are reliable, efficient, and built for long-term growth.
If you're looking for a developer who understands both the technical side and the business goals behind a product, let's connect.
Steps for completing your project
After purchasing the project, send requirements so Harasis can start the project.
Delivery time starts when Harasis receives requirements from you.
Harasis works on your project following the steps below.
Revisions may occur after the delivery date.
Requirements Review
Review the client's use case, call flow, and tools (Twilio/Whisper/etc.) for alignment with GPT-4 capabilities.