You will get AI Voice Call Center & Customer Care Automation
Top Rated

Project details
Stop letting leads die on hold. I’ll build a custom Full Stack AI Voice Agent to handle 100+ calls simultaneously. As a Full Stack Developer with 8+ years of experience and 700+ clients, I deliver enterprise-grade automation that manages billion-dollar assets.
What sets this apart is our multi-tenant SaaS architecture and visual Flow Builder. You can design natural, human-like conversation paths without writing code. Whether for Real Estate or Insurance, our agents achieve 96%+ accuracy.
Key Project Features:
• Smart Response: Unlimited batch calling and 24/7 intelligent support.
• Unified Dashboard: Manage calls, SMS, and Stripe billing in one place.
• Advanced Tech: Powered by OpenAI, Gemini, and Retell AI with Node.js/Laravel backends
• Compliance: We implement GDPR, HIPAA, and ISO 27001 standards.
Trusted by brands like WMS and the ICAB, we maintain a 100% project completion rate. Let’s build your vision.
What sets this apart is our multi-tenant SaaS architecture and visual Flow Builder. You can design natural, human-like conversation paths without writing code. Whether for Real Estate or Insurance, our agents achieve 96%+ accuracy.
Key Project Features:
• Smart Response: Unlimited batch calling and 24/7 intelligent support.
• Unified Dashboard: Manage calls, SMS, and Stripe billing in one place.
• Advanced Tech: Powered by OpenAI, Gemini, and Retell AI with Node.js/Laravel backends
• Compliance: We implement GDPR, HIPAA, and ISO 27001 standards.
Trusted by brands like WMS and the ICAB, we maintain a 100% project completion rate. Let’s build your vision.
Purpose
BusinessIndustry
Biotech, Ecommerce, Engineering, Fashion & Apparel, Logistics & Supply Chain Management, Manufacturing & Storage, Marketing & Advertising, Medical & Pharmaceutical, Real Estate, Retail & Wholesale, SoftwareWhat's included
| Service Tiers |
Starter
$799
|
Standard
$1,599
|
Advanced
$4,999
|
|---|---|---|---|
| Delivery Time | 14 days | 30 days | 60 days |
Number of Outbound Calls | 100 | 500 | |
Scriptwriting | |||
Summary Report | |||
Lead List | - |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$400 - $1,000
Compliance Implementation (GDPR/HIPAA)
(+ 10 Days)
+$599Frequently asked questions
2 reviews
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JF
Jon F.
Apr 21, 2026
Ai SaaS Front & Back End
Was very detail oriented & understood the scope. Appreciate the help!
TT
Taki T.
Dec 23, 2025
ERP Software Accounting Calculation Fix
Excellent freelancer! Tanvir understood the ERP calculation issue right away and fixed it much faster than expected. Very minimal direction was needed. I highly recommend him and will definitely hire him again.
About Tanvir
Full Stack Developer | Custom SaaS, ERP & Business Automation with AI
100%
Job Success
Dhaka, Bangladesh - 8:32 am local time
✅ Trusted by 700+ Global Clients with a 100% project completion rate.
✅ ICAB Centralization: Lead developer for the full software centralization and maintenance of the Institute of Chartered Accountants of Bangladesh (ICAB).
✅ Fortune 500 Impact: Successfully delivered a full-scale Warehouse Automation System (WMS) for Apple.
✅ Compliance Ready: Expert in implementing GDPR, HIPAA, ISO 27001, and SOC 2 compliance for secure, global applications.
✅ 100+ Projects Delivered: Expert in AI-driven solutions & complex API integrations (OpenAI, Gemini, RetellAI).
I don’t just write code; I build Full Stack solutions that redefine simplicity in business software. My specialty as a Full Stack Developer is creating AI-powered SaaS platforms, custom ERPs, and automation systems that handle billion-dollar assets and complex finances.
Why hire a specialist Full Stack Developer?
Most developers focus on features. I focus on your business success. Whether it's reverse-engineering 20-year-old legacy systems for Taiwanese gas giants or building multi-tenant accounting SaaS for the New Zealand market, I ensure your architecture is scalable, secure, and compliant.
My Core Expertise as a Full Stack Developer:
• Enterprise & Warehouse Automation: I build systems like the WMS I delivered for Apple or the robot-connected automation systems in Singapore, streamlining inbound/outbound logistics for millions of unique units.
• AI-Powered SaaS Development: I am a Full Stack Developer who builds modern SaaS from the ground up, integrating OpenAI, Gemini, and Claude for AI voice agents, smart chatbots, and automated claim generation.
• Custom ERP & CRM (GDPR/HIPAA/ISO): I build tailored platforms like ERP OS and CRM PRO that align perfectly with your operations while meeting strict global security standards.
• Financial Centralization: My work with the ICAB demonstrates my ability to handle high-stakes, centralized software maintenance and professional consultation for national-level bodies.
My Core Technology Stack:
• Backend: PHP (Laravel), Node.js (ExpressJS), Python (Django), ASP.NET.
• Frontend: React, Next.js, Vue.js, TypeScript, TailwindCSS.
• Database: MySQL, PostgreSQL, MongoDB, Redis, Cassandra.
• AI & Integration: OpenAI, Gemini, Claude, RetellAI, ElevenLabs.
• Cloud & DevOps: AWS, Azure, GCP, Docker, Kubernetes, Jenkins.
Do you have a complex automation project, a custom ERP, or a new AI-SaaS idea that needs a world-class Full Stack Developer?
Click "Message" or "Invite to Job." Let's build a solution that brings results.
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Steps for completing your project
After purchasing the project, send requirements so Tanvir can start the project.
Delivery time starts when Tanvir receives requirements from you.
Tanvir works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery & Persona Architecture
We define the AI agent's role, expertise area, and personality traits to ensure natural, brand-aligned interactions with your customers.
Intelligent Flow Design
Using our visual Flow Builder, I architect the conversation logic, including custom nodes for gathering data, making API requests, and handling hangups.



