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Project Title: AI-Powered Lead Matching System (RAG + OpenAI + Fullstack) Project Description: I am looking for an experienced Fullstack + AI Engineer to build a production-ready AI-powered lead matching system. Project Overview: The system should intelligently match business leads using semantic search and LLM-based reasoning instead of traditional keyword matching. Core Requirements: Build a RAG (Retrieval-Augmented Generation) pipeline Generate embeddings using OpenAI API Store vectors using pgvector or Pinecone Implement semantic similarity search Develop REST APIs using FastAPI or Node.js Create a modern frontend dashboard (React / [login to view URL]) Deploy on AWS (ECS, Lambda, or EC2) Features: Business profile ingestion Data embedding pipeline Vector search functionality AI-generated lead recommendations Admin dashboard Scalable cloud deployment Tech Stack Preference: Python, FastAPI, PostgreSQL (pgvector), React/[login to view URL], AWS Looking for clean architecture, scalable infrastructure, and production-quality code.
Project ID: 40278971
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175 freelancers are bidding on average $2,198 USD for this job

Hello, Your project sounds like a great use case for a **RAG-based AI system**, and I’d be glad to help build a scalable lead-matching platform. I have experience developing **AI-powered applications using OpenAI embeddings, vector databases, and modern fullstack stacks**. The approach you described—combining semantic search with LLM reasoning—is exactly how intelligent lead matching systems should be designed. My approach would include: • Building a **RAG pipeline** for intelligent lead matching • Generating **embeddings using OpenAI API** • Storing and querying vectors using **PostgreSQL (pgvector) or Pinecone** • Implementing **semantic similarity search for lead discovery** • Developing **REST APIs using FastAPI** for ingestion, search, and recommendations The system will support **business profile ingestion, embedding pipelines, vector search, and AI-generated lead recommendations**, all designed with clean architecture and production-ready standards. I’d be happy to discuss the lead data structure, matching logic, and deployment plan so we can design a robust system from the start. Looking forward to collaborating. Best regards
$2,250 USD in 7 days
6.2
6.2

Hi there, We’ve built similar AI-driven lead-matching systems that use semantic search and LLMs to deliver highly relevant results. With a strong background in both AI and full-stack development, I can deliver a production-ready solution that meets your needs. For this project, I’d recommend using FastAPI with Python, as it’s faster and more efficient than Node.js for backend tasks. We can also integrate OpenAI’s latest models to enhance lead-matching accuracy. Let’s schedule a 10-minute introductory call to discuss your project in more detail and see if I’m the right fit. I usually respond within 10 minutes. I’m eager to learn more about your exciting project. Best, Adil
$2,353.42 USD in 21 days
6.0
6.0

Hello Sir, Imagine experiencing the power of an AI-Powered Lead Matching System through a complimentary demo, tailored specifically for your needs, prior to any commitments. I specialize in developing robust, full-stack solutions that leverage AI and RAG technologies to enhance lead matching with unprecedented accuracy using semantic search. Let's discuss how I can deliver a production-ready system that aligns with your goals, and I'll provide a detailed plan along with the demo to showcase the potential impact on your business. Regards, Smith
$2,250 USD in 7 days
5.7
5.7

Hi, I can help you with this. I am a developer with extensive experience with automations and integrations. I've helped clients with similar projects. Let me know your interest, Sincerely, Nicolas
$2,250 USD in 7 days
5.3
5.3

Hi there, I’m Ahmed from Eastvale, California — a Senior Full-Stack & AI Engineer with over 15 years of experience building high-quality web and mobile applications. After reviewing your job posting, I’m confident that my background and skill set make me an excellent fit for your project — AI-Driven Business Search and Matching . I’ve successfully completed similar projects in the past, so you can expect reliable communication, clean and scalable code, and results delivered on time. I’m ready to get started right away and would love the opportunity to bring your vision to life. Looking forward to working with you. Best regards, Ahmed Hassan
$2,000 USD in 14 days
5.0
5.0

Hello, With over 7 years of experience in Machine Learning (ML) and Python, I have carefully reviewed your project requirements for an AI-Powered Lead Matching System. I am confident in my ability to deliver a high-quality solution that meets your needs. To achieve the project goals, I propose to build a robust system that incorporates a RAG pipeline for intelligent lead matching, utilizes OpenAI API for generating embeddings, and stores vectors efficiently using pgvector or Pinecone. The system will implement semantic similarity search, develop REST APIs using FastAPI or Node.js, and create a modern frontend dashboard using React/Next.js. Additionally, I will focus on features such as business profile ingestion, data embedding pipeline, vector search functionality, AI-generated lead recommendations, an admin dashboard, and scalable cloud deployment on AWS (ECS, Lambda, or EC2). I am eager to discuss the project further and explore how I can contribute to its success. Please connect with me for a detailed conversation. You can visit my Profile: https://www.freelancer.com/u/HiraMahmood4072 Thank you.
$1,550 USD in 7 days
4.6
4.6

Hello, I have relevant experience. I understand your goals and will deliver clear work on time while keeping you updated. we have many years of development experience in Python, Node.js, Full Stack Development and I have completed similar projects. Visit our website and check our work style and team members If this sounds good, have a meeting to discuss about your project in detail. Regards, Jayabrata Bhaduri
$2,300 USD in 7 days
4.0
4.0

Your project calls for a system that goes beyond keyword search by applying semantic understanding to lead matching. I recently helped a startup in B2B lead generation move from rule-based filters to an AI-powered similarity search using OpenAI embeddings and pgvector, which improved match relevance noticeably. I would start by setting up the retrieval-augmented generation pipeline to embed business profiles and ingested data, using OpenAI’s API for consistent vector representations. Next, the vectors would be stored in pgvector within PostgreSQL for efficient similarity queries, ensuring the search is both fast and accurate. For the backend, FastAPI would serve clean REST endpoints for embedding, searching, and lead recommendations. On the frontend, I’d build a React dashboard that dynamically visualizes matches and allows admins to control data ingestion and tweaking of matching parameters. Regarding deployment, AWS ECS with autoscaling fits well for handling varying loads while keeping costs in check. Do you have preferences around batch size or update frequency for the embedding pipeline? Also, would you want manual overrides in lead recommendations or strictly AI-driven? I’m ready to start building a solid, scalable system that delivers precise AI-powered lead matches quickly and reliably.
$1,500 USD in 7 days
2.9
2.9

Semantic matching for leads is a great use case for RAG when keyword search falls short. From your description, the system would ingest business profiles, generate embeddings with OpenAI, store them in pgvector/Pinecone, and use semantic similarity plus LLM reasoning to recommend the best lead matches through an API and dashboard. I’ve built AI backends using FastAPI, vector search, and React dashboards, focusing on clean architecture and scalable AWS deployments. My approach would be: ingestion + embedding pipeline, vector search layer, then an LLM ranking step exposed via REST APIs and a simple admin UI. Do you already have the lead dataset, or should the pipeline handle data ingestion as well? Happy to discuss the architecture.
$2,000 USD in 7 days
3.1
3.1

I hope you're doing well! My name is Nawal, and I bring over nine years of experience in [ProjectTitle]. After carefully reviewing your project brief, I’m confident that I understand your needs and can deliver exactly what you're looking for. Here’s what I offer: ✅ Multiple initial drafts within 24 to 48 hours ✅ Unlimited revisions until you're 100% satisfied ✅ Final delivery in all required formats, including the editable master file and full copyright ownership You can check out my portfolio and past work here: ? Freelancer Profile – eaglegraphics247 I’d love to discuss your project further and explore how we can make your vision a reality. Let me know a convenient time for a quick chat! Looking forward to working together. Best regards, Nawal
$1,500 USD in 3 days
1.9
1.9

My name is "Usama Safdar" and I am a Ph.D degree holder which means I am highly-capable to tackle this project "Content Editor " with 100 percent accuracy. I am a professional writer with over 6 years of experience in writing; Essays, Research Summaries, Thesis, Dissertation, Lab Reports and Case Studies. I always provide High-Quality Solutions within the shortest possible time with all instructions followed against very reasonable prices. I can manage works even with shortest deadlines like; "2500 words work in just 6 Hours" with very reasonable time. As a pro academic writer I am also familiar with all the referencing styles; such as APA, Harvard, OSCOLA, IEE, MLA etc. I always provide plagiarism-free solutions and as a prove I also provide "FREE Turnitin reports". For Samples, please visit my profile https://www.freelancer.com/u/SolutionMart Please message me to start the discussion. Thank You
$1,500 USD in 1 day
1.4
1.4

Hello I am Rashidab and I can start working right now. I have fullstack and AI experience delivering production RAG systems. I will build ingestion embedding pipeline with OpenAI embeddings store vectors in Postgres pgvector run semantic search and use LLM reasoning for lead recommendations. I will deliver FastAPI REST APIs a React or Next dashboard admin tools and AWS deployment with scalable clean architecture monitoring and documentation plus tests and handover support.
$2,250 USD in 7 days
0.5
0.5

Hello there How do you plan to handle the challenge of integrating embeddings from OpenAI with pgvector or Pinecone for efficient vector storage and similarity search How will the system manage real-time updates of business profiles while maintaining accurate AI-driven lead recommendations Building a RAG pipeline with semantic search is intricate due to the need for accurate embedding generation and quick retrieval at scale Ensuring seamless integration of various tech stacks and deployment on AWS while keeping clean and scalable architecture adds complexity I can develop the full pipeline including data ingestion, embedding, vector search, and the frontend dashboard using Python, FastAPI, React, and AWS with a focus on performance and maintainability I would be happy to discuss further on chat
$2,500 USD in 20 days
0.0
0.0

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