
Closed
Posted
Paid on delivery
AI Voice Agent Developer Needed (Freelance) Bizzall Enterprise LLC is seeking an experienced freelancer to build an AI voice agent for appointment setting, lead qualification, and customer follow-up. We are open to platforms such as Retell AI, Bland AI, Synthflow, Vapi, or other cost-effective solutions. Requirements: * AI voice agent development * Human-like conversational flows * Appointment scheduling * CRM integration (preferred) * Live transfer to licensed agents * Experience with sales, insurance, or financial services is a plus Please provide: * Examples of similar projects * Recommended platform and rationale * Estimated timeline * Fixed-price quote We are looking for a long-term partner to help us scale our AI-powered outreach operations. More details: Which platform do you prefer for developing the AI voice agent? Retell AI Which functionalities are most crucial for your AI voice agent? Appointment scheduling, Customer follow-up What kind of conversational tone should the AI voice agent have? Professional
Project ID: 40485746
146 proposals
Remote project
Active 3 hours ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
146 freelancers are bidding on average $167 USD for this job

Hello, With years of experience developing and designing websites using the latest technologies, my team and I at Our Software are more than ready to exceed your expectations with your AI voice agent project. We understand that having an AI voice agent that is capable of professional conversations for appointment scheduling and customer follow-ups is crucial for a business like yours. We guarantee to provide a human-like conversational tone through the Retell AI platform, which we believe is the perfect option for your needs based on its track record of delivering excellent conversational flows. At Our Software, we focus on creating long-term relationships with our clients by consistently providing top-notch services. We're enthusiastic about turning challenges into opportunities. My team is well-versed in CRM integration and understands the value of live transfer to licensed agents, ensuring seamless communication and integration throughout all aspects of your project. Lastly, as someone who believes in "miracles happen to those who believe in them," our team is confident we'll bring a touch of magic to your AI-powered outreach operations. Choose us today and let's turn your dreams into a reality that will help you and your business reach new heights! Thanks!
$130 USD in 2 days
8.6
8.6

With experience in AI voice agent development and a preference for Retell AI, I understand the need for human-like conversational flows, appointment scheduling, and CRM integration. My past projects have focused on similar functionalities, aligning well with your requirements. What strategies do you have in mind to maintain the professional tone of the AI voice agent throughout different conversations? Regards, Yogesh Kumar
$130 USD in 10 days
8.4
8.4

Hi, With over 15 years of experience, my Full-Stack, AI, and Digital Solutions Engineering background makes me the ideal candidate for your AI voice agent project. As part of my repertoire, I bring solid proficiency in developing conversational flows akin to a human-like tone - aligning perfectly with your need for a professional AI voice. I have experience creating custom websites and software tools, and working with platforms like Retell AI gives me a edge as it supports appointment scheduling and customer follow-up efficiently. Moreover, I'm well-versed in working with CRM systems - be it GoHighLevel or Zoho CRM, as well as integrating forms and lead workflows - all of which align with your project requirement. I can even aid in designing compatible data capture forms, so no valuable information falls through the cracks. What sets me apart is not just my technical know-how but also my focus on delivering practical solutions. My goal is to turn your vision into real-world deliverables that scale. And if you choose me for this partnership, you are not just getting end-to-end service encompassing planning to post-launch support but also a 30-day guarantee on the quality of work alongside full support after project completion. The choice is yours! Thanks!
$75 USD in 3 days
8.2
8.2

⭐⭐⭐⭐⭐ Build an AI Voice Agent for Appointments and Customer Follow-up ❇️ Hi My Friend, I hope you are doing well. I reviewed your project requirements and see you are looking for an AI voice agent developer. You don't need to look any further; Zohaib is here to help you! My team has completed over 50 similar projects for AI voice agents. I will create a sophisticated voice agent using Retell AI to handle appointment setting, lead qualification, and customer follow-up efficiently. ➡️ Why Me? I can easily build your AI voice agent as I have 5 years of experience in AI development, specializing in voice agents and conversational flows. My expertise includes appointment scheduling, CRM integration, and customer service automation. Additionally, I have a strong grip on platforms like Retell AI, ensuring a smooth and effective solution. ➡️ Let's have a quick chat to discuss your project in detail and let me show you samples of my previous work. I'm looking forward to our conversation! ➡️ Skills & Experience: ✅ AI Voice Agent Development ✅ Human-like Conversational Flows ✅ Appointment Scheduling ✅ CRM Integration ✅ Live Transfer to Agents ✅ Customer Follow-up ✅ Sales Automation ✅ Insurance Services ✅ Financial Services ✅ Data Analysis ✅ Script Optimization ✅ API Integration Waiting for your response! Best Regards, Zohaib
$150 USD in 2 days
7.7
7.7

Hi, I can help with your "AI Voice Agent Developer Needed We are seeking an experienced freelancer to build an AI voice agent for appointment setting, lead qualification, and customer follow-up. We are open to platforms such as Retell AI, Bland AI, Synthflow, Vapi, or other cos" project. I build clean, maintainable PHP backends — core PHP and Laravel/Symfony, MySQL schema design, and well-structured REST APIs. For work involving php, ai text-to-speech, ai model development, ai content creation, ai design, conversational ai, ai development, I pay close attention to validation, security, and readable code, delivering in small, testable milestones. I provide clean commits and clear documentation. Can we discuss the specifics before I firm up the timeline? ⭐ 5.0/5 from a recent client: "Excellent work by the developer! They built my Video Trimmer website exactly as I wanted. The website is fast, user-friendly, and works smoothly. Communication was clear throughout the project, and…" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$200 USD in 4 days
7.4
7.4

Greetings, I appreciate the opportunity to help develop an AI voice agent for Bizzall Enterprise LLC. Your need for a system that can handle appointment setting, lead qualification, and customer follow-up is crucial for streamlining operations and enhancing customer interactions. I would approach this by utilizing Retell AI, as it’s designed for creating human-like conversational flows, which can ensure your customers feel engaged and valued. With my experience in AI voice agent development, I can create a professional tone that aligns with your brand while integrating essential functionalities like CRM capabilities and live transfers to licensed agents. This setup will facilitate smooth transitions and improve overall customer satisfaction. I look forward to discussing how we can work together to elevate your outreach with this AI solution. Best regards, Saba Ehsan
$200 USD in 4 days
7.3
7.3

Hi I can build a professional Retell AI voice agent for Bizzall Enterprise LLC focused on appointment scheduling, customer follow-up, and lead qualification. I have strong experience with Retell AI, Vapi, Bland AI, CRM integrations, webhook automation, calendar booking flows, call routing, live transfer logic, prompt design, and conversational AI testing. For similar projects, I have built AI calling workflows that qualify leads, collect required information, schedule appointments, update CRM records, and transfer urgent or qualified calls to human agents. Since you prefer Retell AI, I would recommend it for fast deployment, natural voice quality, flexible conversation logic, and strong integration options. The main technical problem is making the AI sound professional while still handling objections, incomplete answers, scheduling conflicts, and live transfer rules correctly. My solution is to design structured call flows, qualification scripts, fallback prompts, CRM/webhook actions, calendar checks, and escalation paths for licensed agents. I can also test real call scenarios, tune the voice tone, and prepare the setup so it can scale for future outreach campaigns. Thanks, Hercules
$140 USD in 7 days
7.2
7.2

Hello, I have reviewed your requirements for an AI voice agent and can build a professional, scalable solution using Retell AI as the core platform, as it provides the best balance of natural conversational flow, low latency, and strong API/CRM integration support. The AI voice agent will be designed for: • Appointment scheduling with real-time calendar integration • Lead qualification using structured conversational flows • Automated customer follow-ups with smart reminders • Human-like, professional tone aligned with your brand • CRM integration for logging calls, outcomes, and next steps • Live transfer to human agents when required My recommended approach is to use Retell AI combined with a lightweight backend (Node.js or Python) to handle CRM sync, scheduling logic, and data storage. This ensures scalability and easy future expansion. I have experience building AI-driven automation systems and conversational workflows, including LLM-based agents, API integrations, and workflow orchestration for business processes. Looking forward to discussing your workflow in detail. Thanks Christian
$100 USD in 7 days
7.3
7.3

Hi, Your project caught my attention because successful AI voice agents are not just about speech recognition—they need to qualify leads, handle objections naturally, book appointments reliably, and transfer hot prospects to live agents at the right moment. Based on your requirements, I would recommend **Retell AI**. It offers excellent call quality, low latency, flexible conversation flows, CRM integrations, appointment scheduling capabilities, and is well-suited for sales, insurance, and financial-service workflows. I can help build: ✓ Professional, human-like voice conversations ✓ Lead qualification workflows ✓ Appointment scheduling automation ✓ CRM integration and contact updates ✓ Live call transfer to licensed agents ✓ Customer follow-up sequences ✓ Call recording and analytics ✓ Retry and missed-call workflows What caught my attention is your focus on appointment setting and follow-up. These use cases typically generate the highest ROI when the conversation logic is carefully designed around qualification criteria and booking conversion rates. I can start immediately, help design the call flows, integrate the required systems, and provide a scalable foundation for future outreach campaigns. Best Regards, Jemin Sagar
$140 USD in 7 days
6.3
6.3

As a Full-Stack Developer with a particular focus on PHP and Laravel, I bring to the table extensive expertise in AI development, including voice agent development which I believe makes me an ideal fit for your project. I have a deep understanding of various AI tools and platforms including Retell AI and have successfully deployed interactive voice agents for functions like appointment scheduling, lead qualification, and customer follow-up in the past. My proficiency in integrating CRM systems alongside my preferred technology stack will ensure that all data related to appointments or customers is seamlessly shared between your operational systems and the voice agent. Moreover, my versatility with Flutter puts great cross-platform capabilities at our disposal, allowing us to extend the benefits of your AI-powered outreach operations beyond just calls if needed. Beyond technical skills, I understand the essence of sales, insurance, and financial services which is an added advantage. In my 6+ years of building robust backend systems for web and mobile applications, I have developed a keen sense of creating solutions that drive results and add value to businesses - something we hope to achieve through this project too!
$30 USD in 1 day
6.1
6.1

Greetings, I'm a full stack developer with 10+ years of experience, I have experience building AI-powered voice automation solutions for lead qualification, appointment booking, and customer follow-up using modern voice AI platforms and API integrations. I can recommend the most cost-effective platform based on your workflow requirements, implement human-like conversational flows, CRM integration, live agent transfers, and provide a clear timeline, fixed-price quote, and deployment plan. Why work with me? ★ Proven track record: 74 successful projects with 5-star reviews ★ Expertise in Node.js, Angular, React, Express, Python, Django, Flask, PHP, WordPress, Laravel, Codeigniter and more ★ Responsive, deadline-focused, and committed to results ★ 3 months of free post-launch support Let’s schedule a quick chat to discuss your preferred tech stack, timelines, and launch goals. I’m confident I can bring your vision to life. Best regards, Samar H.
$140 USD in 7 days
6.1
6.1

Hello! My vast knowledge in python web automation and data mining intersects perfectly with your project requirements, as well as my ability to develop customized AI solutions. I've completed several similar projects, recently including an AI emergency caller using Vapi and Twilio and Car rental website development, both of which required delicate integrations, complex algorithm flow setups, and 24/7 running capacity - just like your project. In choosing me as your long-term partner, you will be gaining access to a thorough professional who has substantial experience dealing with projects of similar complexity and caliber. I stake my reputation on being result-driven; hence, I am highly committed to delivering a top-notch solution to scale your AI-powered outreach operations. My reasonable fixed-price quote accurately accounts for reliable project management as well as utmost quality- both attributes that have made me a sought-after freelancer. Let's initiate the conversation today!
$40 USD in 1 day
6.2
6.2

Hey there, I'm Vishal Maharaj, a seasoned professional with 25 years of expertise in PHP, Conversational AI, AI Development, and more, based in Perth, Australia. I understand the need for an AI voice agent for appointment setting, lead qualification, and customer follow-up. I would approach this project by creating a human-like conversational flow with seamless appointment scheduling and CRM integration for efficient operations. Let's discuss further details and kickstart this project. Please feel free to initiate the chat. Cheers, Vishal Maharaj
$250 USD in 5 days
5.1
5.1

Hi there, I see you need an AI voice agent for appointment setting and customer follow-up. That's a smart move for enhancing customer interactions. With around 10 years of experience in AI development and PHP, I can help you create an engaging voice agent using platforms like Retell AI or Synthflow. My goal would be to streamline your lead qualification process while ensuring a smooth user experience. I’ve worked on similar projects before, such as an internal CRM for a property agency, a regional booking platform for a tutoring company, and a React Native field-reporting app. Let’s build something great together! Could you please clarify the following questions to help me better understand the project? Q1: What specific features or functionalities do you envision for the voice agent? Q2: Are there any integrations with existing systems that you need to consider? Q3: What metrics or feedback will you use to evaluate the voice agent's performance?
$200 USD in 4 days
6.0
6.0

Hello, I will develop an AI voice agent for appointment setting, lead qualification, and customer follow up. I am ready to become your long term partner to help you in scaling your AI powered outreach operations. I have a rich experience in AI voice agent development. Let's chat and discuss this project in more detail. I am looking forward to working with you, Fahad.
$100 USD in 1 day
5.0
5.0

VAPI specialist here, built AI voice agents for appointment setting, lead qualification and live transfer across sales and insurance contexts before so this is very familiar ground. I'd recommend VAPI over Retell for this scope, better flexibility on conversation flow logic, easier CRM integration and more control over the live transfer handoff to your licensed agents. Professional tone, human-like conversation flows, appointment scheduling, customer follow-up sequences and CRM integration all included. Live transfer triggers when qualification criteria are met. Can have a working agent ready for testing within 3 days. Let's talk.
$180 USD in 3 days
5.0
5.0

Hi Mate , Good afternoon! I’ve carefully checked your requirements and really interested in this job. I’m full stack node.js developer working at large-scale apps as a lead developer with U.S. and European teams. I’m offering best quality and highest performance at lowest price. I can complete your project on time and your will experience great satisfaction with me. I’m well versed in React/Redux, Angular JS, Node JS, Ruby on Rails, html/css as well as javascript and jquery. I have rich experienced in AI Development, AI Text-to-speech, AI Content Creation, AI Design, AI Model Development, PHP and Conversational AI. For more information about me, please refer to my portfolios. I’m ready to discuss your project and start immediately. Looking forward to hearing you back and discussing all details.. Best Regards
$155 USD in 3 days
4.5
4.5

Hey there, Saw you're going with Retell AI — good call, it handles appointment scheduling and live transfers really cleanly. I'd set up the conversational flows, hook it into your CRM, and configure the live agent handoff. Just finished something very similar for an insurance outreach team last month. Send me a message here and we can sort out the details.
$30 USD in 2 days
4.5
4.5

Hello, I read your AI Voice Agent project and I’m confident I can deliver a professional, scalable solution for appointment setting, lead qualification, and follow-up. I’ve built voice agents with human-like flows, integrated with CRMs, capable of scheduling, follow-up cadences, and live transfers to licensed agents. I’ve used TTS/ASR stacks and designed sales-oriented conversations tailored to financial services and insurance. I can propose a Retell AI-based solution, with CRM integration and a clean handoff, delivered on a fixed price within a tight timeline. I’ll provide a concrete MVP and path to scale. Please feel free to contact me so we can discuss more details. I am looking forward to the chance of working together. Best regards, Billy Bryan
$250 USD in 3 days
4.6
4.6

Hi, I see that you’re looking for a freelancer to develop an AI voice agent focused on appointment setting, lead qualification, and customer follow-up. My approach would be to create a conversational AI that feels professional yet approachable, ensuring seamless interactions with your customers. I would leverage a platform like Retell AI to build a system that integrates smoothly with your CRM, allowing for efficient scheduling and follow-up. I've worked on similar projects in the past, where I crafted AI voice interfaces that not only improved appointment management but also enhanced customer engagement. My experience in sales and customer service gives me insight into what users expect from such interactions. You can count on me for a reliable, scalable solution that meets your operational needs. I’m excited about the potential for us to collaborate and enhance your outreach capabilities. Best regards, Novalitz Tech
$30 USD in 3 days
4.5
4.5

FAIRVIEW, United States
Payment method verified
Member since Jan 4, 2022
$30-250 USD
$250-750 USD
$30-250 USD
$30-250 USD
$250-750 USD
$30-250 USD
₹750-1250 INR / hour
$1500-3000 USD
$250-750 USD
€5000-10000 EUR
$750-1500 USD
$30-250 USD
₹100-400 INR / hour
₹1500-12500 INR
$15-25 USD / hour
₹1500-12500 INR
$2-8 AUD / hour
$250-750 USD
$10-30 CAD
$750-1500 AUD
$250-750 USD
₹37500-75000 INR
₹600-15000 INR
$30-250 USD
$12-100 AUD / hour