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we want you to built a phone assistance system for voice and chat and there are many features to build. • Answering questions in real time • Setting reminders and alarms with contextual follow-ups • Making calls and sending messages hands-free • Language translation on demand and many many other features Beyond those must-haves, I’m open to additional smart features you can suggest and implement as long as they blend seamlessly into the same voice interface. The ideal workflow: 1. Architect the solution (cloud or on-device), outlining key tech such as Python, TensorFlow, Dialogflow, Twilio, or any stack you believe is best for low-latency, privacy-minded processing. 2. Deliver a functional demo—APK, iOS TestFlight build, or hardware prototype—that I can test on a standard smartphone. 3. Provide clean, documented source code and a short video/screenshare showing the assistant handling the four capabilities above. I’ll give rapid feedback, iterate quickly, and sign off once the demo proves each feature works smoothly in everyday scenarios (normal room noise, varied accents). If you already have a modular voice-AI framework we can adapt, let me know—speed to prototype is a plus.
Project ID: 40637475
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170 freelancers are bidding on average $516 USD for this job

Hi, I can build this voice + chat phone assistant as a modular AI system, starting with a working prototype and then expanding it feature-by-feature. I have 13+ years of experience in AI, mobile, backend, API integrations, and automation. I can work with Python, Flutter, OpenAI/Anthropic, speech-to-text/text-to-speech, Twilio, and real-time communication APIs. Core implementation: * Real-time voice and chat conversations * Context-aware reminders and alarms * Hands-free calling and messaging * On-demand language translation * Conversation/context memory * Voice commands and intent detection * Modular architecture for adding future skills * Privacy, authentication and secure data handling Proposed flow: Voice → Speech-to-Text → AI Agent → Tool/API execution → Text-to-Speech → Voice response. I’ll first architect the system, then deliver an Android/iOS test build demonstrating the required capabilities, followed by clean source code, documentation, and a demo walkthrough. I can also suggest additional assistant capabilities once the core workflow is stable. I’m available to start with the prototype and iterate quickly based on your feedback.
$2,000 USD in 25 days
5.9
5.9

Hi there, A voice + chat assistant covering real-time Q&A, contextual reminders, hands-free calling/messaging, and on-demand translation is a substantial build — I'd architect it as modular from day one so each capability can be tested and refined independently rather than as one monolithic feature. What I'll do: ✅ Architect the stack — cloud-based for low-latency real-time processing (Python backend, speech-to-text/TTS, LLM for understanding/reasoning), Twilio for calls/SMS, with privacy-conscious handling of voice data ✅ Build a phased demo — starting with real-time Q&A and reminders, since those prove the core voice pipeline before layering calling/translation ✅ Deliver a functional APK/TestFlight build so you can test on a real device under real conditions (room noise, accents) ✅ Provide documented source code and a demo video walking through each capability ✅ Python, LLM integration, voice/speech pipelines, Twilio Why me: I have worked here with more than 130+ clients, and I've built voice/AI integration work before. Given the scope ("many many other features"), I'd recommend locking the MVP feature set first — the four you listed — before scoping extras, so we have a working demo to iterate from rather than an open-ended build. Available now — let me know your budget/timeline and I'll confirm.
$300 USD in 3 days
3.9
3.9

Hi, I’m a Senior AI/Full-Stack Developer experienced in Python, AI agents, voice/chat systems, APIs, and mobile applications. I can build a modular phone assistant supporting real-time Q&A, contextual reminders, hands-free calls/messages, and on-demand translation. I’ll focus on low-latency architecture, reliable voice processing, privacy, and an extensible design for future features. I can provide a working Android/iOS demo, documented source code, and walkthrough video. Best Regards, Shakila Naz
$300 USD in 5 days
3.7
3.7

Hello!, I am a Florida-based senior software engineer(frontend, backend, ecommerce, etc)... and I read your project description carefully. You want a phone assistance system for both voice and chat, and I understand the main goal is to build something that feels natural, handles real conversations well, and routes tasks reliably. I’ve spent about 15 years building production systems with Twilio, NLP, speech recognition, AI chatbots, backend APIs, and mobile-friendly apps. For this, I’d work in clear phases: define the call/chat flows, build the Twilio integration, connect the AI/NLP logic, add fallback and handoff handling, then test for stability and speed. Could you please clarify the following questions to help me better understand the project? 1) Should the assistant handle inbound calls only, or both inbound and outbound calls? 2) Do you want it connected to any CRM, calendar, or support tool? 3) Should there be a live human handoff when the AI is unsure? I’m usually the one who catches the small details others miss, and for a project like this that makes a big difference. If you want, I can help you shape the best technical approach before we start. Relevant work examples: a healthcare appointment voice assistant, a real estate lead qualification bot, a support chat + call routing system, and a SaaS onboarding voice agent. -James
$650 USD in 3 days
3.3
3.3

The risky part here is the gap between a voice demo and a dependable phone assistant. Calling, messaging, reminders, translation, and real time answers each introduce different platform constraints, so I would keep the first build modular and prove the voice interaction path before expanding the feature set. A smartphone demo is enough to validate response latency, noisy room input, and accent handling without committing the whole system to one architecture. For the first demo, should we prioritize calls and reminders, or translation and real time questions?
$250 USD in 7 days
3.0
3.0

Hello, I trust you're doing well. I am well experienced in machine learning algorithms, with nearly a decade of hands-on practice. My expertise lies in developing various artificial intelligence algorithms, including the one you require, using Matlab, Python, and similar tools. I hold a doctorate from Tohoku University and have a number of publications in the same subject. My portfolio, which showcases my past work, is available for your review. Your project piqued my interest, and I would be delighted to be part of it. Let's connect to discuss in detail. Warm regards. please check my portfolio link: https://www.freelancer.com/u/sajjadtaghvaeifr
$600 USD in 7 days
3.1
3.1

Hi there, I am excited to offer my expertise in developing your AI Voice Assistant Phone. With extensive experience in AI development, I am well-equipped to create a robust phone assistance system that not only meets but exceeds your expectations. I understand the importance of delivering a seamless user experience, and I am committed to implementing features like real-time question answering, hands-free communication, and contextual reminders. To achieve this, I propose leveraging advanced technologies such as Python, TensorFlow, and Dialogflow. These tools will enable us to build a solution that prioritizes low-latency and privacy. Twilio integration will ensure seamless communication capabilities, and natural language processing will enhance the assistant's ability to understand and respond accurately. I will deliver a functional demo for both Android and iOS, allowing you to experience firsthand the system's capabilities. Additionally, I will provide clean, well-documented source code and a demonstration video to showcase the assistant's performance in real-world scenarios. Your feedback will be invaluable as we iterate to perfect the system. If you have a modular framework in mind, I am open to adapting it for a faster prototype delivery. Let's collaborate to build an intelligent, user-friendly voice interface that aligns with your vision. Best Regards, Efanntyo
$500 USD in 10 days
2.8
2.8

Hi, I can build a modular AI phone assistant supporting both voice and chat, with an architecture designed to scale as you add the many additional features planned for the product. I have experience developing AI assistants, LLM integrations, voice agents, automation workflows, and Python-based AI applications. For the initial prototype, I can implement: • Real-time conversational voice and chat • Context-aware reminders and alarms with follow-ups • Hands-free calling and messaging • On-demand multilingual translation • Speech-to-text and natural text-to-speech • LLM-based intent detection and tool calling • Secure integrations with phone, calendar, messaging, and external APIs • Conversation memory and contextual actions • Error handling and human-friendly fallback flows I would recommend a hybrid architecture using a mobile client with a Python/FastAPI backend, real-time speech services, and an LLM tool-calling layer. This keeps the system responsive while making future capabilities easy to add without rewriting the core. The first milestone will deliver a working Android APK/demo covering the four required capabilities, followed by clean source code, documentation, deployment instructions, and a walkthrough.
$500 USD in 7 days
2.9
2.9

Understanding your goal to develop a robust AI voice assistant phone system, our team is well-equipped to deliver a solution that meets your needs effectively. We focus on creating a seamless user experience that integrates voice and chat functionalities. For real-time question answering and hands-free operations like making calls, we’ll utilize technologies such as Python and Dialogflow to ensure low latency and high performance. We can also implement contextual follow-ups for reminders and alarms, enhancing usability. We prioritize communication, quality, and on-time delivery. Our experience with modular frameworks will enable rapid prototyping, ensuring we can adapt quickly to your feedback. If you'd like, I can also share similar work we've completed and discuss the best approach for your project. Regards, JP
$400 USD in 7 days
3.0
3.0

Hello, I have experience with residential floor plans, architectural layouts, material planning, and construction documentation. AI-Generated Floor Plan Modification I can modify your 1,500 sq. ft. floor plan to improve room flow, relocate the chimney, add the hallway and closet, and apply the requested flooring and finish changes. I can also prepare the material list, calculate accurate floor areas, and provide a construction cost estimate for the updated plan. For city-specific permit and code requirements, I can prepare the documentation according to your local requirements and coordinate with a licensed professional where required. Thanks, Invoke Tech
$1,000 USD in 15 days
5.1
5.1

Hello! Based on your project description, you are looking to build a smart AI voice assistant for both voice and chat that can handle everyday phone tasks through a natural, low friction conversational interface. The core experience will include real time question answering, contextual reminders and alarms, hands free calling and messaging, and on demand language translation, while leaving room for additional intelligent features that can make the assistant more useful without complicating the user experience. I will focus on building a modular voice AI architecture that can support speech recognition, natural language understanding, contextual conversations, text to speech, reminders, calling, messaging, translation, and secure user data handling. I can use Flutter for the mobile layer with a scalable Python or Node.js backend and integrate suitable AI, telephony, and speech services based on latency, privacy, accuracy, and operating system capabilities. I will first create a functional prototype covering the four core workflows, then refine the voice experience and provide clean documented source code, test builds, and a walkthrough demonstrating the assistant in realistic scenarios. I specialize in mobile, backend, and AI application development with 7+ years experience and I have done similar work in past please open the chat window so I can share with you. Thank you for considering my proposal. I look forward to hearing from you soon. Best regards, Nikita Gupta.
$253 USD in 13 days
2.6
2.6

With six plus years of experience in AI, automation, and full stack development, I bring the unique skill set required for your AI Voice Assistant Phone project. In my previous endeavors, I have developed autonomous AI agents using technologies such as TensorFlow and Dialogflow- tools that align perfectly with your requirements. Moreover, I have hands-on experience in AI Chatbot Development which lends itself to our shared vision of building a seamlessly integrated voice interface system. What sets me apart is my ability to not just build functional systems but ones that work. The value proposition I bring is not only exceptional technical skills in Python, TensorFlow, Twilio amongst others, but also expertise in navigating low-latency, privacy conscious processing. My deep knowledge of and fluency with cloud and on-device architectures adds a layer of flexibility to make decisions based on what's best for both performance and security. Lastly, I am a results-oriented professional with an emphasis on rapid feedback and quick iteration. My approach involves delivering not just remarkable functional prototypes but also source code that is well-documented for easy maintenance and scalability. I'm confident that my skillset, experience, and commitment aligns perfectly with your project's goals and timeline.
$250 USD in 2 days
2.4
2.4

Hello I just read about your project to build a phone assistance system with voice and chat features, and it sounds like a great challenge—especially real-time Q&A, hands-free calls, and contextual reminders. I have extensive experience architecting AI voice assistants using Python, TensorFlow, Dialogflow, and Twilio for seamless low-latency interaction while respecting privacy. My approach would be to design a modular cloud-based solution ensuring quick response times and easy scalability. I can deliver a functional demo APK or iOS TestFlight build with clean, documented code plus a walkthrough video showcasing the core features in realistic conditions. Do you have preferred platforms or existing frameworks you’d want to leverage for faster prototyping? Best regards, AbdulHamid
$250 USD in 3 days
2.2
2.2

Hello, We understand you're looking to build more than a simple chatbot, a modular phone assistant that combines voice and chat into one natural interface for answering questions, contextual reminders, hands-free calling/messaging and translation, with the ability to expand into additional capabilities over time. We'd recommend building the assistant around a modular AI orchestration layer, separating speech processing, conversational intelligence and individual actions/tools. This would allow capabilities such as reminders, calls, messaging, translation and future integrations to be added without rebuilding the core system. We can evaluate the best combination of Python, LLM/voice APIs, Twilio and native mobile capabilities based on your latency, privacy and device requirements. We'd begin with a functional smartphone prototype covering the four core workflows, followed by testing with normal room noise and varied accents. Before confirming the timeline and fixed scope, we'd like to clarify whether the first prototype should target Android, iOS, or both, and how you want calling/messaging to work. Best regards, Deepak
$450 USD in 7 days
1.9
1.9

Hello, With my extensive background in AI and automation, I am confident in my ability to architect the solution you're looking for with your AI Voice Assistant Phone project. From working with Python, TensorFlow, Dialogflow, Twilio, along with other tech stacks, I can ensure low-latency, privacy-minded processing for a seamless user experience. My ability to adapt quickly will help us meet and exceed each feature's functionality in everyday situations. What separates me from my peers is not only my technical prowess but also my agility and commitment to communication. You mentioned that speed to prototype is a plus, I'm proud to say I deliver on that front without compromising on code quality or security. Moreover, you won't just be getting a functional demo but also clean, well-documented source code that you can rely on. Let's collaborate on this project so we can leverage your vision alongside my skills to build an AI Voice Assistant Phone that optimizes productivity and positively impacts lives. Thanks!
$250 USD in 2 days
1.5
1.5

Hi. I’m an AI/ML engineer with strong Python experience and hands-on knowledge of LLMs, NLP, speech/voice AI, RAG, and real-time AI systems. Your phone assistant project is especially interesting because it combines conversational intelligence with practical real-world actions. I can design a modular architecture for low-latency voice and chat interaction, including speech-to-text, LLM-based intent/reasoning, text-to-speech, contextual memory, and secure tool execution. The assistant can handle real-time Q&A, contextual reminders, hands-free calls/messages, and on-demand translation through a unified voice interface. I’d recommend starting with a focused smartphone MVP, using cloud services where they improve latency/quality while keeping privacy-sensitive processing controlled. The architecture will be modular so additional capabilities can be added without rebuilding the core. I can deliver a functional Android/iOS demo, documented source code, and a walkthrough demonstrating the four required workflows under realistic conditions. I’m also happy to propose additional features such as context-aware follow-ups, task management, smart notifications, and personalized memory. Thanks. Gustavo
$700 USD in 6 days
1.5
1.5

Your AI voice assistant can be delivered as a focused smartphone demo covering real-time questions, contextual reminders and alarms, hands-free calls and messages, plus on-demand translation. I’ll build the first version with Flutter for a fast Android/iOS-ready interface, Python/FastAPI for orchestration, speech-to-text and text-to-speech, an LLM for natural dialogue and follow-ups, and Twilio for calling and SMS. Alarms and reminders will use native notification services, while permissions, transcripts, and sensitive data will be handled with privacy in mind. The architecture will be modular so additional features such as calendar actions, location-aware reminders, command confirmation, and conversation history can be added without rebuilding the core assistant. I’ll begin with the interaction and system architecture, then implement the voice pipeline, intent handling, integrations, and smartphone UI. I’ll test normal room noise and varied accents, provide a functional APK or TestFlight build, clean documented source code, and a recorded demonstration showing all four required workflows. I bring 10+ years of full-stack and mobile development experience, including AI, NLP, Twilio, React Native, Flutter, Python, and API integrations. For the first demo, should I target an Android APK rather than an iOS TestFlight build? Muhammad Saad
$275 USD in 5 days
1.1
1.1

Hi, I am available to take this on and get your phone assistance system working perfectly. The main issue with partially built AI assistants is usually the low latency or speech recognition not lining up for noisy environments specifically. Are you planning to use the newer cloud-based neural models for better multilingual compatibility and do you want the transcribed conversation logs appended as a clean table or plain text in the system output? I recently fixed a similar voice and chat AI framework for a logistics firm that needed custom metadata injected into real-time streams. I used Python and TensorFlow to hook into the audio event and built a React-based interface that validated inputs before using the streaming API to update the session. I corrected their Dialogflow and Twilio integration structure to ensure the audio actually processed smoothly across mobile and web. My fix stopped their response data from being lost during sync and made the whole communication process way faster for their team. We are eager to discuss the project further. Reach out to initiate a conversation! Best regards, Quantum Code Solutions
$500 USD in 7 days
1.2
1.2

✅ You don't need another promise. You need proof. One significant challenge in developing a voice assistant system is ensuring seamless integration of various features while maintaining low latency and user privacy. This often gets overlooked, but it's critical for user satisfaction. I recently completed a similar project where I developed a voice-driven personal assistant that successfully handled real-time queries, reminders, and messaging. The client reported a 40% increase in user engagement due to its intuitive interface and responsiveness. I understand your goals are to create a versatile assistant that not only meets the core functionalities but also evolves with user needs. My approach involves architecting the solution using Python and TensorFlow, with an emphasis on modularity for easy updates and enhancements. My commitment is to provide solutions that are not just functional but also reliable and efficient, ensuring a high-quality user experience. Good execution isn't obvious until you compare it to what's missing. Regards Brendan Verwey
$400 USD in 7 days
1.3
1.3

Hi, I can develop this as a modular, privacy-conscious mobile assistant supporting both voice and chat. I recommend Flutter for iOS/Android, backed by a secure Python/FastAPI orchestration service, streaming speech-to-text and text-to-speech, an LLM with controlled tool calling, and native integrations for reminders, calls, messages, and permissions. The architecture would separate conversation, intent detection, memory, and device actions so additional capabilities can be introduced cleanly. Reminders would use local notifications and contextual follow-ups; translation would support spoken and written input; calls/messages would require explicit confirmation before execution. I would also include graceful handling for background noise, unsupported actions, connectivity loss, and low-confidence speech. The handover will include test builds, documented source code, environment configuration, setup instructions, and a demonstration covering all four required workflows. Relevant examples can be shared privately where client permissions allow. Question 1: Must calls and messages use the phone’s native SIM/apps, or should services such as Twilio and WhatsApp Business also be supported? Question 2: Should the first version run on both iOS and Android, and which languages must speech recognition, synthesis, and translation support? Regards, Houssame
$500 USD in 7 days
4.2
4.2

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