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I’m looking for a senior AI engineer (individual only) to build a production-grade Australian-accent voice agent for financial services. The agent must handle inbound + outbound calls, qualify leads in real-time, and book appointments into my calendar. This is not an IVR bot — I need someone who has built human-level, low-latency voice agents. Core Requirements: Natural, real-time conversation (<500ms latency) Barge-in/turn-taking support Real-time qualification logic (editable) Appointment booking with my calendar JSON data capture + CRM API integration (Connective) Call recording + transcripts Smart handoff if confidence drops Preferred Tech: RetellAI, ElevenLabs, Twilio Voice, Amazon Connect Python/Node backend, Docker deployment Deliverables: Live demo number for testing End-to-end working prototype: qualify lead + book meeting + log data Full source code + deployment instructions Short video walkthrough To Apply: Show a demo (audio/video/live) of a voice agent you built Outline your recommended tech stack Confirm experience with voice/LLM systems (not text-only chatbots) Note: If you haven’t built a production-grade voice agent before, please don’t apply.
ID do Projeto: 40007323
102 propostas
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Ativo há 2 meses
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102 freelancers estão ofertando em média $2.527 AUD for esse trabalho

We have successfully executed projects similar to creating production-grade voice agents with a focus on real-time, natural conversation capabilities. Understanding your need for a senior AI engineer to develop a sophisticated Australian-accent voice agent, we're confident in our ability to deliver a solution that meets your specific requirements. Our extensive experience in AI-first product development and voice/LLM systems positions us to handle your project's core demands, such as low-latency conversation, real-time logic, and seamless calendar integration. We have a proven record of integrating technologies like Twilio Voice and using Python/Node for robust backend solutions, ensuring a smooth deployment process with Docker. With our background in building intelligent systems, we offer a comprehensive end-to-end solution, including a live demo for testing, a fully functional prototype, and deployment instructions. Our portfolio reflects our commitment to uncompromised quality and customer-centric delivery, aligning with your project's needs. Q: Could you share any specific expectations for the voice agent's interaction style or personality? Q: Do you have a particular preference for integrating with your existing CRM system? We invite you to connect with us to explore how our expertise can bring your voice agent vision to life. Best regards, Puru Gupta
$3.000 AUD em 29 dias
7,7
7,7

⭐⭐⭐⭐⭐ Build a Realistic Voice Agent for Financial Services ❇️ Hi My Friend, I hope you're doing well. I've reviewed your project requirements and see you are looking for a senior AI engineer to create a production-grade voice agent. Look no further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for voice technology. I will ensure your voice agent handles calls, qualifies leads, and books appointments seamlessly. ➡️ Why Me? I can easily create your voice agent as I have 5 years of experience in AI and voice technologies. My expertise includes real-time conversation systems, API integration, and voice agent development. Besides, I have a strong grip on using tools like RetellAI, Twilio Voice, and Amazon Connect to deliver top-notch results. ➡️ Let's have a quick chat to discuss your project in detail. I’d love to show you samples of my previous work and how I can help you achieve your vision. ➡️ Skills & Experience: ✅ AI Development ✅ Voice Agent Creation ✅ Real-time Conversation ✅ API Integration ✅ JSON Data Capture ✅ Call Recording ✅ Appointment Booking ✅ Python Programming ✅ Node.js Development ✅ Docker Deployment ✅ Low-latency Systems ✅ CRM Integration Waiting for your response! Best Regards, Zohaib
$1.800 AUD em 2 dias
7,7
7,7

I understand that you are seeking a senior AI voice engineer to build a production-grade Australian-accent voice agent for your financial services company. This project requires real-time, natural conversation capabilities, intent detection, calendar booking, and advanced qualification logic. My expertise in AI/ML development, particularly in voice automation, makes me confident in delivering exceptional results for your project. In the past, I have successfully implemented conversational AI solutions in the fintech sector, ensuring efficient lead qualification and seamless CRM integration. My experience with technologies such as Dialogflow, Twilio, and API integrations aligns perfectly with the technical requirements of your project. I am well-equipped to deliver a comprehensive solution that meets your requirements. My recommended tech stack includes Dialogflow, Twilio, Python, and Docker for stable deployment. I have included links to previous voice bots I have personally built and can deliver the Australian accent voice you are looking for. I am excited about the opportunity to work on this project and am confident in my ability to deliver a high-quality voice agent for your financial services company. Looking forward to discussing the project further with you.
$2.400 AUD em 30 dias
6,3
6,3

Hi there! I'm thrilled to apply for the Senior AI Voice Engineer position. With over 5 years of experience in building human-level voice agents, I understand the complexities of creating a production-grade Australian-accent voice agent that meets your specific needs. My extensive background includes integrating advanced conversational stacks like Dialogflow and custom API solutions, ensuring seamless handling of inbound and outbound calls. I specialize in real-time reasoning for dynamic qualifications, complying with call recording and consent protocols, while maintaining latency under 500ms. My previous projects with financial services have honed my skills in automated calendar booking and multi-intent handling, making me the perfect fit for this role. I can provide a working demo that books real calendar slots and source code along with comprehensive documentation. Let's connect to discuss your vision and requirements further. I'm confident we can achieve great results together! What specific CRM functions do you need the voice agent to support besides calendar booking? Thanks,
$2.750 AUD em 6 dias
6,1
6,1

Hello! I have 10+ years of experience building production-grade, phone-based conversational AI systems, including real-time voice agents with <500ms latency, multi-intent handling, and full CRM/API pipelines. For your Australian-accent financial services voice agent, I recommend: RetellAI for real-time voice orchestration, ElevenLabs for natural AU voice, a lightweight Rasa/Dialogflow layer for intent + slot handling, and a Python-based rule engine for dynamic qualification workflows. Twilio/Retell Voice API will handle inbound/outbound telephony; calendar sync via Google/Outlook API; Core Features (Short + Professional) Real-time natural conversation with <500ms latency Human-like Australian accent (RetellAI / ElevenLabs) Advanced intent + multi-intent detection Dynamic qualification logic (editable, no code changes) Automated calendar booking + reminders Structured JSON data capture with real-time CRM push Call recordings, transcripts, consent handling Smart human handoff on low-confidence Supports inbound & outbound campaigns Stable, production-ready deployment (Docker + cloud) Architecture includes: Telephony → Voice Stream (RetellAI) → LLM Reasoning Layer → Intent/Slot Engine → Qualification Logic → Calendar API → CRM Push → Recording/Transcripts → Failover/Handoff. I can provide a working demo line, full source code, Dockerized deployment, documentation, and a walkthrough video. Thanks
$2.500 AUD em 30 dias
6,0
6,0

Hi there, Want to see a working prototype of your Australian voice agent booking real calendar slots within 48 hours—no commitment required? I've built 12+ production voice agents in finance/insurance using RetellAI + ElevenLabs with sub-400ms latency and real-time CRM integration. My stack delivers human-level conversations, dynamic qualification logic, and full compliance—source code included, zero lock-in. Let's jump on a quick call to walk through your workflows, confirm the tech approach, and discuss how I'll deploy your test line and working demo. Best, Smith
$2.250 AUD em 7 dias
6,3
6,3

As a seasoned AI engineer with vast experience in developing and deploying voice agents, I am confident in my ability to exceed your expectations for this project. I have specialized knowledge in Python and Twilio, two preferred technologies that align perfectly with the deliverables and tech stack you've outlined. My strong command over these platforms has allowed me to build highly functional low-latency voice agents that mimic natural conversation effectively. I understand the critical nature of this project and the need for a high-quality voice agent to handle real-time calls, as well as `generate JSON data capture + CRM API integration` and handle appointment bookings into your calendar. I have successfully tackled such intricate functionalities in my previous projects with precision, always ensuring smooth operations even in high-pressure scenarios. Furthermore, having been in the top 0.03% of freelancers on this platform demonstrates my proven track record of delivering exceptional results consistently. My commitment to detail, proficiency in emerging cloud technologies, and passion for creating future-ready solutions aligns beautifully with what you're seeking. Scaffolded by my exceptional work ethic and dedication to my clients' needs, I guarantee an end-to-end working prototype that qualifies leads, books meetings while precisley logging data and provides a real time efficient service for your business growth.
$3.000 AUD em 45 dias
6,0
6,0

Hello, With our extensive experience in web services and having developed sophisticated web applications using the precise technologies you mentioned, we possess the necessary skill set to take your project to new lengths. Being well-versed in JSON, we can successfully deliver a real-time, low-latency Australian voice agent for your financial services that would exceed your expectations. And as a company consistent with keeping clients involved, you can rely on us to make every integration work seamless. Another factor that distinguishes us from the competition is our ability to develop unique solutions for each business we work with. We understand the importance of personal touch even in AI systems; therefore, your Australian-accent voice agent will be tailor-made to suit your specific industry needs. As a result of this dedication, we have consistently recorded and transcribed all the calls handled by our previous voice agents. Lastly, rest-assured this isn't just another day's work for us; we consider it an opportunity to create a long-term impact in your business dealings. We are ready to provide you with innovative ideas and solutions that will help you qualify leads, book appointments, and integrate data effortlessly within your CRM platform. Plus, we are confident our Australian Voice Agent solution won’t just be impressive on paper but also in practice – so let's create wonders together! Thanks!
$1.750 AUD em 13 dias
5,5
5,5

As a seasoned machine learning engineer with a strong focus on AI and NLP, I have directly worked on projects like the one you are seeking expertise for. With over 8 years of hands-on experience in designing and deploying Machine Learning models including Voice Generation and Processing tasks, I have built production-grade voice agents with impeccable conversational abilities, low-latency response times (well below your desired 500ms), and effective barge-in/turn-taking support. My track record includes voice-based systems for major financial institutions like the State Bank of Pakistan where quality and real-time qualification logic played a crucial role. In terms of technology stack, I recommend leveraging the strengths of RetellAI, ElevenLabs and Twilio Voice complemented by Python/Node backend and Docker deployment. These technologies blend seamlessly to create powerful systems that are capable of integrating JSON data capture, CRM API which can be tailored to work with Connective's API as you prefer. My familiarity with Amazon Connect will drive the smooth integration with your existing environment and enable smart handoff when confidence drops.
$1.500 AUD em 10 dias
5,4
5,4

Hey, I’ve reviewed your project and understand you’re looking for a senior AI engineer who can deliver a production-grade, Australian-accent voice agent capable of real-time, human-level phone conversations for financial-services workflows. The focus is on sub-500ms latency, natural prosody, accurate intent handling, dynamic qualification logic, calendar booking, CRM syncing, and compliant call recording — all running in a stable, production environment. The system can be built using a mature, low-latency stack: RetellAI or Twilio for telephony, ElevenLabs for an Australian voice profile, and a Python or Node backend handling reasoning, qualification rules, RAG lookups, CRM API calls, and calendar integration. Dialogflow or a lightweight Rasa layer can support intent detection, with structured JSON logging, call recordings, transcripts, and smart-handoff logic. Workflows for inbound and outbound calls will both route through the same engine, gathering structured data, qualifying leads, booking appointments, and pushing updates into Connective via API in real time. You’ll receive clean, versioned code, Dockerized deployment, documentation, and a demo line that successfully books a real calendar slot end-to-end. I can also share links and video previews of previous production voice agents I’ve built and outline the architecture and milestones once we connect. Best regards Muhammad Adil Portfolio: https://www.freelancer.com/u/webmasters486
$2.400 AUD em 20 dias
4,9
4,9

Hi, I’m pretty excited about your project and fully understand the need for a human-level Australian-accent voice agent for financial services. With 6+ years building production-grade conversational AI and voice automation, I’ve delivered real-time, low-latency agents integrated with CRMs and calendar systems. My approach: leverage ElevenLabs/RetellAI for natural prosody, Rasa/Dialogflow for multi-intent handling, Twilio/Amazon Connect for calls, and Python APIs for seamless CRM & calendar integration. I ensure dynamic qualification logic, real-time logging, and smooth handoffs when confidence drops. From experience, edge-case handling early prevents costly post-deployment issues. Quick question: do you prefer Retrieval-Augmented Generation for handling complex financial queries, or a hybrid rule-based system? Let's connect if you are looking for a best partner. Best regards, Muamer Kaukovic
$2.250 AUD em 20 dias
4,6
4,6

Hi Nathan, I understand you need a senior AI engineer to create a production-grade Australian-accent voice agent for your financial services company. With over five years of experience in developing human-level voice automation, I have successfully built conversational agents that not only handle real-time interactions but also integrate seamlessly with CRM systems. I recommend using a tech stack involving RetellAI and Twilio for voice capabilities, alongside Python for API integration. The key features will include dynamic qualification logic, calendar booking automation, and structured data handling, ensuring a smooth conversation experience with under 500ms latency. We can kick off the project by finalizing the architecture and the specific workflows, and I can deliver the source code along with deployment instructions, documentation, and a functional demo. What specific metrics or outcomes are you expecting from the voice agent's performance? Best regards, MAKSYM
$2.500 AUD em 15 dias
4,4
4,4

Hello Dear! I write to introduce myself. I'm Engineer Toriqul Islam. I was born and grew up in Bangladesh. I speak and write in English like native people. I am a B.S.C. Engineer of Computer Science & Engineering. I completed my graduation from Rajshahi University of Engineering & Technology ( RUET). I love to work on Web Design & Development project. Web Design & development: I am a full-stack web developer with more than 10 years of experience. My design Approach is Always Modern and simple, which attracts people towards it. I have built websites for a wide variety of industries. I have worked with a lot of companies and built astonishing websites. All Clients have good reviews about me. Client Satisfaction is my first Priority. Technologies We Use: Custom Websites Development Using ======>Full Stack Development. 1. HTML5 2. CSS3 3. Bootstrap4 4. jQuery 5. JavaScript 6. Angular JS 7. React JS 8. Node JS 9. WordPress 10. PHP 11. Ruby on Rails 12. MYSQL 13. Laravel 14. .Net 15. CodeIgniter 16. React Native 17. SQL / MySQL 18. Mobile app development 19. Python 20. MongoDB What you'll get? • Fully Responsive Website on All Devices • Reusable Components • Quick response • Clean, tested and documented code • Completely met deadlines and requirements • Clear communication You are cordially welcome to discuss your project. Thank You! Best Regards, Toriqul Islam
$1.500 AUD em 10 dias
4,3
4,3

This sounds like something I’d genuinely enjoy building. Creating a production-grade Australian-accent voice agent that conducts fully conversational calls and dynamically qualifies leads is an exciting challenge that aligns perfectly with my expertise in developing integrated, intuitive voice automation solutions. With over five years of experience delivering polished voice agents in the financial sector, I have a track record of achieving practical, measurable results. Happy to outline how I would turn this plan into a working solution. Chat soon, Anne S
$2.100 AUD em 7 dias
4,2
4,2

Dear [Client], With over 57 successful projects in web development, I am confident in my ability to deliver a production-grade Australian-accent voice agent for your financial services company. My expertise lies in fixing issues, performance enhancements, custom features, automation, and API integrations. To approach this project, I will first analyze your requirements and recommended tech stack. Next, I will develop a high-level architecture diagram and provide you with a detailed timeline with milestones. Finally, I will deliver the source code, documentation, a test phone line, and a working demo that books a real calendar slot. Let's discuss how I can bring your vision to life. Best regards, Naveen Kumar
$1.500 AUD em 20 dias
3,9
3,9

Hi, I’m excited about your need for a senior AI voice engineer to build a production-grade Australian-accented voice agent for your financial services company. With over 5 years specializing in AI voice automation, I have built human-level conversational agents integrating Twilio, ElevenLabs, Dialogflow, and advanced API structures to achieve natural, real-time conversations with latency under 500ms. I’m confident in delivering dynamic intent handling, multi-intent qualification logic, smart CRM integrations, and compliant recording and consent management—all critical to your project. My approach will leverage a stack including RetellAI or ElevenLabs for voice generation, Dialogflow or Rasa for intent detection, and Python/Node.js for integration with calendar and CRM APIs. I will provide full source code, deployment instructions, detailed documentation, and a video walkthrough. A working demo with live calendar booking and test phone line is assured within a 6-8 week timeline. I confirm I can deliver a natural Australian accent with human-like prosody. Looking forward to discussing next steps. Could you please share any existing data or CRM schema details that the voice agent should integrate with? Best regards, Roshan
$2.450 AUD em 18 dias
3,9
3,9

Hi Nathan, I have thoroughly reviewed your project description and am excited about the opportunity to build a production-grade Australian voice agent that meets your specifications. With over 5 years of experience in developing conversational AI, particularly for financial services, I have successfully integrated technologies such as RetellAI, Twilio, and ElevenLabs. This expertise allows me to create a voice agent that conducts natural, real-time conversations with minimal latency, qualifying leads and booking appointments seamlessly. I propose a tech stack that includes RetellAI for voice synthesis, Twilio for call handling, and a flexible API integration setup to ensure smooth data logging and calendar management. I can deliver the source code, deployment instructions, and a working demo that books a real calendar slot. Let's discuss the project timeline and milestones in more detail. Best regards,
$3.000 AUD em 25 dias
3,8
3,8

Nice to talk you corporatelook, After reading in detail the requirements of your project and concluding that they match my areas of knowledge and skills, I would like to introduce myself. My name is Anthony Muñoz and I am the lead engineer for DS Pro IT agency. I have worked for over 10 years in Backend and software development and have successfully done multiple jobs. It will be a pleasure to work together to make your project a reality. Please feel free to contact me. I´m looking forward to working with you. I really appreciate your time and remain attentive to any request or question. Greetings
$4.412 AUD em 7 dias
3,8
3,8

As a senior AI engineer with strong experience in building advanced conversational AI using RetellAI, Dialogflow, and Rasa, I am perfectly aligned with your project needs. I also bring solid expertise in API integrations (Python/Node), CRM workflows, and voice technologies like ElevenLabs. With 5+ years focused specifically on voice-based AI systems, I am well-versed in drill-time optimisation and handling complex edge-case logic. I have worked on demanding finance-sector projects, including a recent system built with the OpenAI API for automated article generation, keyword-based image selection, and social sharing. I am very comfortable designing rule-engine-driven architectures that ensure accurate qualification, scheduling, and error-free user flows. I also understand the importance of stable cloud deployment via Docker. I always deliver full source code with clear deployment instructions to avoid vendor lock-in. My approach is punctual, structured, and milestone-driven, with smooth integration into APIs like Twilio, Amazon Connect, and Retell Voice. Thanks, Jay
$2.250 AUD em 7 dias
3,8
3,8

Hi there, I appreciate how specific and ambitious your requirements are—a true production-grade voice agent that’s natural, fast, and genuinely useful for your financial business. Based on your scope, I recommend a stack leveraging RetellAI or ElevenLabs for the Australian-accented prosody, Google Dialogflow or Rasa for robust intent and logic, Python for orchestration, and Twilio Voice API for telephony, with Dockerized deployment and direct CRM calendar integration for seamless workflow and compliance. I bring hands-on expertise developing outbound/inbound voice agents at enterprise scale, including lead qualification flows and live-call booking with dynamic handoff and full data/APIs integration, so I’m confident I can deliver each feature you outlined—no agencies, no juniors, just dedicated senior engineering. If you’d like to review my previous live voice agent demos, tech stack details, or see how I would architect your solution, I’m happy to share links and a concise video upon request. I can confirm: achieving authentic Australian-accented TTS is well within my past experience. Typical timeline for an MVP—including full test line, interactive demo, and deployment—is four to six weeks, with transparent milestones each step of the way. Let’s discuss your specific lead flows and scheduling preferences—I’m ready to help you launch a truly human-level voice agent that will impress both your team and your clients. Thank you for your time, Oleksandr
$2.251 AUD em 5 dias
2,9
2,9

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