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Summary - Build an AI-powered personal work assistant for professionals and small businesses - Manage work via chat, voice, documents, tasks, and connected tools - Turn the current [login to view URL] frontend pages into a full AI backend system Responsibilities - Review existing frontend pages and product flow - Design AI backend architecture and API endpoints - Integrate LLMs (OpenAI, Anthropic, Gemini, etc.) - Implement chat, tool-calling, and reasoning workflows - Build RAG pipelines and connect vector databases - Implement speech-to-text and text-to-speech features - Support conversation history and user memory - Ensure scalable, secure, and maintainable backend Required Skills - LLM integration and AI agent workflows - RAG pipelines and vector databases - Backend development with Python (FastAPI), Node.js, NestJS, or similar - Tool/function calling - Speech-to-text and text-to-speech integration - Database design and secure user data handling - Ability to work with existing frontend pages - Strong debugging and problem-solving skills Expected Deliverables - AI backend architecture - LLM integration and chat API - RAG pipeline and vector database setup - Tool-calling system - Voice input/output features - Conversation memory/history - Deployment-ready backend Workflow - Shortlisted candidates will receive frontend pages and product flow - Provide feedback on current frontend pages - Develop backend incrementally in milestones - Integrate AI, backend, and tools with frontend When Applying - GitHub name - Brief description of similar AI systems built Note - This is a long-term project to build a real AI-powered work assistant - Shortlisted candidates will submit a short video or screenshot showing the frontend pages, with their creative suggestions and backend plans.
Project ID: 40484636
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101 freelancers are bidding on average $32 USD/hour for this job

Hello, I have hands-on experience building AI assistants, agentic workflows, RAG systems, vector database integrations, and LLM-powered SaaS products using OpenAI, Claude, Gemini, FastAPI, NestJS, and Next.js. I • Multi-LLM Integration (OpenAI, Claude, Gemini) • RAG Pipeline & Vector Database Setup • AI Agent & Tool-Calling Workflows • Conversation Memory & User Context • Speech-to-Text & Text-to-Speech • Secure API Architecture & Deployment • Scalable Backend with FastAPI/NestJS Let’s chat… Thanks
$25 USD in 40 days
7.1
7.1

With over a decade of experience in AI-powered systems and high-scale backend architecture, I understand your goal of developing an AI-Powered Work Assistant Platform for professionals and small businesses. My background in building scalable solutions for over 1 million users and high-security systems in FinTech directly applies to the complexity of your project. A strategic insight for ensuring scalability and security in this project is to implement RAG pipelines and connect vector databases efficiently. I have successfully designed and scaled chat systems with conversation history for millions of users, proving my capability to handle the AI agent workflows and database handling mentioned in your requirements. I am excited about the opportunity to discuss the roadmap for your AI-Powered Work Assistant Platform further. Please feel free to reach out to me to delve into how we can bring your project to fruition.
$40 USD in 15 days
7.0
7.0

Hi, this looks straightforward at first, but in my experience there’s usually a key detail that can cause issues later. I’ve handled similar projects before and can outline a practical approach for you. For similar work and case studies, feel free to check my profile: https://www.freelancer.com/u/microlent Let me know if you'd like me to walk you through the plan. ~ Rajesh
$28 USD in 35 days
6.8
6.8

Hi, We’ve developed several AI-based products, including a personal assistant that uses LLMs to manage tasks, schedule meetings, and summarize emails. We also built a Chrome extension that integrates with Google Calendar and Outlook to extract meeting data and create actionable tasks. For your project, we can leverage our expertise in LLMs and AI workflows to deliver a robust solution. We’ve worked extensively with OpenAI, Azure, and Google LLMs, and we’re well-versed in building production-ready systems that prioritize security and reliability. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit for your needs. I’m eager to learn more about your exciting project. Best regards, Adil
$39.19 USD in 40 days
6.7
6.7

Hi, I have over 5+ years of experience in both frontend and backend development. I will do the specified tasks. Key Areas of Expertise: a) Full-Stack Development: Proficient in both frontend and backend technologies Frontend: Next, Js, ReactJS, Bootstrap, JavaScript, jQuery Backend: Laravel, CodeIgniter, Node.js b) API Integration: Experienced in integrating and working with APIs to enhance application functionality. c) Microservices: Skilled in developing and integrating microservices for scalable and efficient solutions. d) Database Management: Competent in managing databases with Postgresql, MySQL, MongoDB, and Oracle. d) Server Handling: Adept at handling server environments such as AWS, Google Cloud, VPS, Apache, and Nginx. Let’s discuss how I can help achieve your project goals and add value. Lets connect in chat so that We discuss further. With Regards, Sai
$25 USD in 40 days
4.5
4.5

⚠️ If you're not happy, you don’t pay. ⚠️ Hi there, thank you for sharing the detailed project brief. I can build your AI-powered personal work assistant for professionals and small businesses using Python (FastAPI) and Node.js, ensuring a scalable and secure backend system. I will deliver: • AI backend architecture • LLM integration and chat API • RAG pipeline and vector database setup • Tool-calling system • Voice input/output features • Conversation memory/history • Deployment-ready backend You will also receive: • Guide on AI workflows • Documentation on backend setup • Support for seamless integration I am confident I can execute your vision professionally and efficiently. Looking forward to discussing timeline and next steps. Best regards, Chirag.
$50 USD in 7 days
3.8
3.8

Hello With 8 years of experience in full stack and AI based application development, I have built intelligent platforms including AI assistants, SaaS tools, and data driven systems with scalable backend architecture and modern frontend integrations. (AI backend, LLM integration, RAG pipeline, deployment, documentation) Skills & Experience • Built AI powered assistants with chat, memory, and tool calling workflows • Developed scalable backend APIs using Node js and FastAPI • Implemented RAG pipelines with vector databases for contextual AI responses • Integrated OpenAI, Claude, and other LLM systems for production use • Worked on speech to text and text to speech integrations • Designed secure systems with user authentication and data handling • Built real time systems with conversation history and memory • Delivered production ready applications with deployment and documentation support Looking forward to discussing the platform requirements further. Regards, Mohit Gupta
$30 USD in 20 days
3.6
3.6

Building an AI-powered work assistant sounds like an exciting challenge. I noticed you're looking for experience with AWS and LLMs, which I have in abundance. Your goal to create an efficient tool for professionals and small businesses is something I've tackled in various projects. With around 10 years of experience in both frontend and backend technologies, I can help you bring this vision to life. Some similar things I've built: a regional booking platform for a tutoring company, an internal CRM for a property agency, and a React Native field-reporting app. Let’s connect and discuss how to move forward. Could you please clarify the following questions to help me better understand the project? Q1: What specific features do you envision for the AI assistant? Q2: Are there any preferred integrations or existing tools you want to connect with? Q3: How do you plan to handle data privacy and security for user information?
$25 USD in 30 days
2.1
2.1

Hello, As an experienced Full Stack Developer and Automation Specialist, I have a knack for identifying and utilizing the most-efficient technology solutions, thereby transforming the way businesses operate and creating automation pipelines that reduce human dependency. I am adept at deploying both high-level functioning no-code systems (such as those built with Zapier, HubSpot, Brevo, and Fillout Forms) as well as implementing custom-coded backends with AI integration, mirroring exactly the kind of versatile skill set you require for this project. Moreover, my track record speaks to my ability to design and develop comprehensive web architectures of remarkable scale in extremely varied fields. I have built IoT-based pay-per-print systems with commercial hardware integration, blockchain reward pipelines running daily without any manual intervention, and even a multi-agency emergency response platform for first responders - all in line with different logistical requirements and complex functionalities - proving my ability to tackle challenges from diverse perspectives. The proposition of constructing an AI-powered work assistant is incredibly appealing to me. Leveraging my expertise with LLMs (such as OpenAI), backend development using Node.js(in which I am highly skilled), FastAPI or similar frameworks and working with databases such as MySQL, PostgreSQL,MongoDB ,SQLite I will ensure your project is delivered with all the necessary Thanks!
$50 USD in 31 days
0.0
0.0

As a highly skilled AI and machine learning expert, I am well-versed in developing complex systems just like the one you've described. Having worked with some of the biggest names in the industry, I am adept at creating efficient and scalable solutions tailor-made for professional needs. From integrating LLMs such as OpenAI and Anthropic, to designing robust APIs; from building RAG pipelines and vector databases to implementing speech-to-text and text-to-speech features, my extensive experience aligns closely with all your requirements. Furthermore, my expertise in backend development using Python (FastAPI), Node.js, NestJS and other technologies complements your project's tech stack. My recent work as Chief Technology Officer at an AI-driven startup has given me deep insights into project leadership and end-to-end product development. I have successfully built advanced digital products such as AI-powered voice and chat agents, ML-based analytics platforms, recommendation systems and workflow automation tools- all designed to boost productivity of businesses and professionals. Thus, as your freelance developer for this AI-Powered Work Assistant project, I will not only bring exemplary coding skills but also a strong strategic mindset for maximum efficiency.
$25 USD in 40 days
0.0
0.0

Lets chat, a free consultation and no obligation. I understand you need a clean, professional, and user-friendly solution for your "AI-Powered Work Assistant Platform Development" project. My skills in PHP, Java, JavaScript are a perfect fit for this project. While I am new to freelancer.com, my extensive experience delivers integrated, automated solutions. Regards, Jason McLachlan
$25 USD in 3 days
0.0
0.0

Hello, we bring the invaluable experience of leading a highly reputed and fast-growing IT company with a proven record of successfully completing over 2000 projects. We have a team of 150+ developers who are not only skilled in technologies like Node.js, Python, and AWS (essential for this project) but are also problem solvers and creative thinkers, qualities that are paramount in designing and developing an AI-powered personal work assistant like you envision. Our competencies span over various domains including AR, VR, and AI, exactly what your project requires. Moreover, our experience with Front-end/Back-end Development not only matches but surpasses the stated skills in the project description. The fact that we are well-versed in tools and frameworks like Django, Laravel, etc to name a few is evidence of our adaptability to existing platforms like yours. Choose us for an unmatched synthesis of tech-excellence with tangible results. Let's build this revolutionary work assistant together. Regards, Rohan
$25 USD in 40 days
0.0
0.0

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