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$
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I will build an ai voice agent or ai receptionist for your business
Usman Ali
Level 2
5.0
5.0
About this gig
Missed calls cost businesses thousands in lost revenue every month. I build AI voice agents and AI receptionists that answer calls, book appointments, qualify leads, and handle customer support 24/7, sounding like a real human.
What I build: AI phone receptionists for missed call recovery, inbound and outbound voice agents, appointment booking and calendar sync, lead qualification bots, customer support voice agents, and multi-agent systems that route calls intelligently.
Tech stack: Python, Retell AI, Vapi AI, OpenAI Realtime API, ElevenLabs, Twilio, LangChain, n8n, Make, FastAPI, Supabase, AWS.
Ideal for clinics and salons recovering missed calls, real estate teams qualifying leads, agencies offering AI voice as a service, and any business tired of losing customers to voicemail.
Why work with me: principal software engineer and AI solution architect with 5+ years building production systems, full-stack AI development from voice to backend to deployment, 5.0 star rating, full source code and documentation included, 7-day post-delivery support.
Message me before ordering so I can map out exactly what your AI voice agent should handle.
Get to know Usman Ali
Usman Ali
AI Automation Engineer, Agentic AI Expert, Full Stack AI Engineer
Level 2
- FromPakistan
- Member sinceJul 2024
- Avg. response time1 hour
- Last delivery4 days
Languages
Urdu, English
I help startups and businesses eliminate 80% of manual work through intelligent AI automation systems, agentic AI pipelines and custom workflows.
I am a Microsoft Azure certified AI Engineer with 5+ years of experience building production-ready AI systems.
I specialize in Multi-Agent AI Systems using CrewAI, LangChain and AutoGen, AI Workflow Automation with n8n, Make.com and Zapier, RAG based AI Systems using OpenAI, Claude and Perplexity APIs, AI Chatbots and Legal AI Automation.
Trusted by clients worldwide. Level 2 Seller. 5 Star Rated. Drop me a message to get started today.
My Portfolio
FAQ
What types of businesses can your AI voice agent handle?
Clinics, salons, real estate teams, agencies, and service businesses losing revenue to missed calls. I build AI phone receptionists, appointment booking agents, and lead qualification bots tailored to your workflow.
Do I need technical knowledge to use the system?
No. I deliver a fully working system with a video walkthrough and complete documentation. No coding knowledge is required to operate it after delivery.
Can the AI voice agent integrate with our existing tools?
Yes. I integrate with your CRM, calendar, and phone system via API, including Twilio, Calendly, HubSpot, and Google Calendar. Let me know your tools before ordering.
Will I get the full source code?
Yes. All packages include complete source code, documentation, deployment support, and a video walkthrough of the entire system.
How long does it take to build an AI voice agent?
A basic AI voice agent takes 3-4 days, a standard receptionist with booking and CRM integration takes 5-7 days, and a multi-agent voice system takes up to 10 days. Timeline is confirmed before work begins.
Reviews
4 reviews for this Gig
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Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
E 
ethancole7
United Kingdom
Ongoing collaborationGreat experience working with Usman. Very professional, responsive, and delivered high-quality work with strong technical expertise.
$50-$100
Price
1 day
Duration
A 
Seller's Response
Helpful?K khteeeer
United Arab Emirates
Amazing outstanding work, smooth communication. Highly Highly recommend
$100-$200
Price
6 days
Duration
Helpful?A amazingaje
United States
Working with Usman on the Memory Spine milestone has been an amazing experience. Even though I came in with zero coding background, he made everything feel clear and manageable. His communication is kind, patient, and professional, and he always kept me updated with progress and demos. The code he delivered...
$400-$600
Price
6 days
Duration
Helpful?E 
eddthok
Germany
Ongoing collaborationUsman developed an invoice automation system for us that now saves us many hours of manual work. The collaboration was excellent, and I always received quick responses and adjustments. Usman responded well and quickly to customized requirements.
$600-$800
Price
3 weeks
Duration
Helpful?
Reviews
4 reviews for this Gig
| (4) | ||
| (0) | ||
| (0) | ||
| (0) | ||
| (0) |
Rating Breakdown
- Seller communication level
- Quality of delivery
- Value of delivery
Sort By
Most relevant
E ethancole7
United Kingdom
Ongoing collaborationGreat experience working with Usman. Very professional, responsive, and delivered high-quality work with strong technical expertise.
$50-$100
Price
1 day
Duration
A Seller's Response
Helpful?K khteeeer
United Arab Emirates
Amazing outstanding work, smooth communication. Highly Highly recommend
$100-$200
Price
6 days
Duration
Helpful?A amazingaje
United States
Working with Usman on the Memory Spine milestone has been an amazing experience. Even though I came in with zero coding background, he made everything feel clear and manageable. His communication is kind, patient, and professional, and he always kept me updated with progress and demos. The code he delivered...
$400-$600
Price
6 days
Duration
Helpful?E eddthok
Germany
Ongoing collaborationUsman developed an invoice automation system for us that now saves us many hours of manual work. The collaboration was excellent, and I always received quick responses and adjustments. Usman responded well and quickly to customized requirements.
$600-$800
Price
3 weeks
Duration
Helpful?
