Hire the Best Chatbot Developers

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Viktor A.

Baia Mare, Romania

$35/hr
5.0
38 jobs

Most voice AI demos break on the first real call. Mine don't. As an experienced AI developer and AI Engineer, I build systems that handle 50+ calls/night at $0.10 each โ€” where customers genuinely can't tell it's not a person. ๐Ÿ“ฉ Send your project brief - I'll reply within 2 hours with a concrete action plan. ๐Ÿ† Why work with me? ๐Ÿฅ‡ Technical Reviewer for Manning Publications (Efficient AI in Practice & Enterprise RAG). ๐Ÿฅ‡ Winner of the Enterprise RAG Challenge. ๐Ÿฅ‡ Top-Rated AI Developer on Upwork with a focus on ROI. ๐Ÿฅ‡ Expert LLM Engineer specialising in hallucination-free RAG systems. Core Specialisations โ‡๏ธ AI Voice & Chatbot Development As a specialised AI developer, I build full voice pipelines: Deepgram/Whisper โ†’ GPT-4/Claude โ†’ ElevenLabs. Expert in chatbot development and conversational business logic for WhatsApp, Telegram, and Web. I work as a dedicated chatbot developer integrating systems with ManyChat, Botpress, and OpenAI API. Modern chatbot development setups to act as a 24/7 sales engine and support lead. โ‡๏ธ AI Agent Architecture & Autonomous Workflows I am an AI developer who excels in AI Agent architecture using LangGraph and CrewAI. Multi-AI Agent systems for lead generation, deal tracking, and complex CRM automation. Autonomous AI Agent workflows connected to Slack, Shopify, and enterprise backends. Every AI Agent I build is designed to scale and optimise business processes without increasing headcount. โš™๏ธ LLM Engineering & Advanced RAG As a senior LLM Engineer, I solve the "hallucination problem" for modern enterprises. Advanced LLM pipelines designed with a focus on Vector Databases (Pinecone, Weaviate, Milvus). Custom fine-tuning, prompt engineering, and production-ready LLM infrastructure. ๐Ÿ› ๏ธ FULL-STACK TECH STACK & DATA SCIENCE As an AI Developer: Python, FastAPI, Docker, AWS, Asyncio. As a Python Developer: LangChain, LlamaIndex, LangGraph, PyTorch. As a Web Developer: Frontend frameworks, responsive platforms, and API integration. As a Data Scientist: Advanced data processing, analytics pipelines, and model evaluation. โ‡๏ธ WHAT YOU GET WITH EVERY PROJECT When you hire me as your AI developer, you get production-ready, scalable, and cleanly documented code. As a professional Python Developer, I ensure your system is robust, while my background as a data scientist guarantees that your data is processed with maximum analytical precision. Whether it's complex chatbot development for support or an AI Agent workflow for outbound sales, I handle the full CI/CD deployment on AWS. As a skilled web developer and agentic ai developer, I ensure your user interfaces are as smooth as the underlying AI models. By combining the precision of a data analyst with the agility of a Python full stack developer, I create applications that are data-driven. Every Python full stack developer setup I deploy is fully integrated with analytical tools, meaning a data analyst or data scientist on your team can easily track performance. ๐ŸŒ EXPERTISE ACROSS THE spectrum Whether you need a high-performance chatbot developer to automate customer service or a senior LLM expert to architect complex RAG systems, I deliver code that scales: For Enterprises: I act as a Lead Python Developer and machine learning consultant, building autonomous workflows. My skills as a data scientist allow me to extract valuable insights from your historical enterprise data. For Startups: As a python full stack developer and agentic AI developer, I focus on rapid deployment of AI Bot solutions. I leverage modern frontend and backend practices as a capable web developer. For Deep Tech & Analytics: My work as a data scientist and machine learning specialist ensures your systems are backed by solid statistics. From predictive modeling as a data analyst to implementing heavy machine learning algorithms, I cover all your data needs. From simple Python Developer scripting to high-level architecture, my goal is to provide Enterprise AI solutions that offer a clear ROI. If you are looking for a Senior Python Developer who understands both the business logic and the technical architecture, letโ€™s connect. As a web developer and chatbot developer, I create complete digital ecosystems. My machine learning pipelines and python full stack developer practices ensure your software is future-proof, while my experience as a web developer guarantees flawless deployment. This unique blend of a python full stack developer skillset makes me the ideal partner for your next project, seamlessly combining the strengths of a data analyst, a machine learning engineer, and a certified data analyst. ๐Ÿ‘‰ Send me your project brief โ€” Iโ€™ll get back to you within 2 hours with a free AI visibility audit. Last update: 16.06.2026

  • Chatbot Development
  • Python
  • Artificial Intelligence
  • AI Agent Development
  • AI Development
  • AI App Development
  • Machine Learning
  • LLM Prompt Engineering
  • Deep Learning
  • Natural Language Processing
  • AI Chatbot
  • OpenAI API
  • Twilio
  • Data Science
  • LangChain
  • API Integration
  • Node.js
  • React
  • Computer Vision
Shajeel A.

Lahore, Pakistan

$25/hr
4.5
148 jobs

โœ… 10+ years of experience โœ… 100+ projects completed โœ… Google Certified Developer โœ… 1M+ generated through Micro SaaS Apps Ready to revolutionize your project with cutting-edge AI and full-stack development? You've just stumbled upon your secret weapon. ๐Ÿš€ Hey there! I'm your go-to Full Stack AI Developer with over a decade of experience crafting digital marvels. Imagine having a tech wizard who can conjure up mobile apps, websites, and backend systems while harnessing the power of artificial intelligence. Well, you've found one! AI Whisperer & Code Maestro I don't just write code; I breathe life into ideas. With expertise in Generative AI, I'm not just riding the wave of the future โ€“ I'm surfing it with style. From ChatGPT to Claude AI, from OpenAI to VertexAI, I've got the AI bases covered. But here's the kicker: I blend this AI sorcery with rock-solid full-stack development. It's like having your cake and eating it too, only the cake is made of ones and zeros! Why I'm Your Golden Ticket 1. Full-Stack Mastery: Mobile apps? Check. Websites? You bet. Backend using NodeJS? It's my playground. 2. AI Integration: I don't just use AI; I make it dance to your project's tune. 3. Experience That Counts: 10+ years of turning coffee into code and dreams into digital reality. 4. Problem Solver Extraordinaire: I eat complex challenges for breakfast and ask for seconds. Tech Arsenal at Your Service - Mobile App Development: Flutter for cross-platform magic - Web Development: Responsive designs that look great on everything from smartphones to smart fridges - Backend Sorcery: NodeJS for lightning-fast, scalable server-side solutions - AI Integration: From ChatGPT to custom AI models, I make machines think - Cloud Mastery: Firebase for real-time awesomeness - Payment Integration: Stripe and RevenueCat for smooth transactions - App Store Wizardry: Google Play and App Store submission secrets But wait, there's more! (I've always wanted to say that) ๐Ÿ˜„ The Secret Sauce to Project Success 1. Discovery Phase: We'll dive deep into your vision, unearthing hidden gems and polishing rough ideas. 2. Strategic Planning: I'll craft a roadmap that'd make GPS developers jealous. 3. Agile Development: Sprints, scrums, and daily updates โ€“ we'll move fast and break... nothing! 4. Testing & QA: I'll put your project through the wringer so users don't have to. 5. Launch & Beyond: From app store optimization to post-launch support, I've got your back. Why Clients Love Working With Me - Communication: Clear, concise, and always on time. No tech jargon unless you're into that sort of thing. - Flexibility: Need changes? Consider it done. I'm more flexible than a yoga instructor's schedule. - Results-Driven: Your success is my success. I'm not happy until you're doing a happy dance. - Continuous Learning: The tech world moves fast, and I move faster. Always up-to-date with the latest trends. Curious about how AI can supercharge your project? Let's chat! I've got case studies that'll make your jaw drop and ideas that'll make your competitors wish they'd hired me first. From SaaS platforms that predict user behavior to mobile apps that learn and adapt, the possibilities are endless. Ready to take your project from "meh" to "mind-blowing"? Hit that "Hire" button, and let's make some digital magic together. Trust me, your future self will thank you for it. Remember, in the world of tech, you're either disrupting or being disrupted. Which side do you want to be on? P.S. Still reading? Awesome! Here's a little secret: I once used AI to help a client develop AI Powered SaaS platform which got Featured on many places because of it's UX and generating 20,000 USD / month in Revenue! Imagine what we could do for your project! Let's connect and explore the possibilities โ€“ your next big breakthrough is just a conversation away.

  • Chatbot Development
  • Chatbot
  • Firebase
  • Node.js
  • iOS Development
  • Android App Development
  • HTML5
  • Dart
  • Flutter
  • Gupshup
  • NoSQL Database
  • Marketing Automation
  • Dialogflow API
Atul K.

Noida, India

$30/hr
4.9
168 jobs

๐—ง๐—ผ๐—ฝ ๐—ฅ๐—ฎ๐˜๐—ฒ๐—ฑ ๐—”๐—œ ๐—˜๐—ป๐—ด๐—ถ๐—ป๐—ฒ๐—ฒ๐—ฟ & ๐—™๐˜‚๐—น๐—น-๐—ฆ๐˜๐—ฎ๐—ฐ๐—ธ ๐——๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—ฒ๐—ฟ | 8+ ๐—ฌ๐—ฒ๐—ฎ๐—ฟ๐˜€ | ๐Ÿญ% ๐—ผ๐—ณ ๐—จ๐—ฝ๐˜„๐—ผ๐—ฟ๐—ธ | ๐Ÿญ๐Ÿฌ๐Ÿฌ% ๐—๐—ผ๐—ฏ ๐—ฆ๐˜‚๐—ฐ๐—ฐ๐—ฒ๐˜€๐˜€. โœ… $300K+ Total earnings โœ…8+ Years experience as Fullstack Developer โœ… 80+ Projects Completed. โœ…Top Rated Plus. โœ… 100% Job Success Rate. โœ… AWS certified โœ… Python certified โœ…50hrs/week available โœ… 4+ AI/ML Integrations ๐Ÿ”ด I am in the ๐—ง๐—ผ๐—ฝ ๐Ÿญ% overall on Upwork. ๐Ÿ”ด I am in the ๐—ง๐—ผ๐—ฝ ๐Ÿฐ% overall on Stack Overflow. ๐€๐ˆ ๐€๐ ๐ž๐ง๐ญ / ๐•๐จ๐ข๐œ๐ž ๐€๐ ๐ž๐ง๐ญ๐ฌ: ๐‚๐ซ๐ž๐ฐ๐€๐ˆ / ๐€๐ฎ๐ญ๐จ๐†๐ž๐ง / ๐€๐ฆ๐š๐ณ๐จ๐ง ๐๐จ๐ฅ๐ฅ๐ฒ / ๐ƒ๐ž๐ž๐ฉ๐ ๐ซ๐š๐ฆ / ๐‘๐š๐ฌ๐š ๐€๐ˆ / ๐‘๐ข๐ฏ๐ž๐ซ๐ฌ๐ข๐๐ž ๐’๐ƒ๐Š / ๐€๐ณ๐ฎ๐ซ๐ž ๐€๐ˆ ๐’๐ฉ๐ž๐ž๐œ๐ก/๐‹๐‹๐Œ ๐…๐ข๐ง๐ž๐ญ๐ฎ๐ง๐ข๐ง๐ : ๐”๐ฌ๐ข๐ง๐  ๐๐„๐…๐“ / ๐‹๐จ๐‘๐€ / ๐๐‹๐จ๐‘๐€ / ๐‘๐‹๐‡๐… / ๐ƒ๐๐Ž / ๐’๐…๐“ ๐ฐ๐ข๐ญ๐ก ๐”๐ง๐ฌ๐ฅ๐จ๐ญ๐ก / ๐€๐ฑ๐จ๐ฅ๐จ๐ญ๐ฅ / ๐‡๐ฎ๐ ๐ ๐ข๐ง๐ ๐…๐š๐œ๐ž ๐€๐ฎ๐ญ๐จ๐“๐ซ๐š๐ข๐ง / ๐’๐š๐ ๐ž๐Œ๐š๐ค๐ž๐ซ ๐“๐ซ๐š๐ข๐ง๐ข๐ง๐ /๐Ž๐ฉ๐ž๐ง-๐’๐จ๐ฎ๐ซ๐œ๐ž ๐‹๐‹๐Œ๐ฌ: ๐‹๐‹๐€๐Œ๐€ ๐Ÿ‘ / ๐Œ๐ข๐ฌ๐ญ๐ซ๐š๐ฅ ๐Ÿ•๐ / ๐Œ๐ข๐ฑ๐ญ๐ซ๐š๐ฅ ๐Ÿ–๐ฑ๐Ÿ•๐ / ๐…๐š๐ฅ๐œ๐จ๐ง / ๐†๐ž๐ฆ๐ฆ๐š / ๐๐ฅ๐จ๐จ๐ฆ / ๐Ž๐ซ๐œ๐š ๐Œ๐ข๐ง๐ข / ๐†๐ฎ๐š๐ง๐š๐œ๐จ/๐…๐š๐ฌ๐ญ ๐ˆ๐ง๐Ÿ๐ž๐ซ๐ž๐ง๐œ๐ž: ๐ฏ๐‹๐‹๐Œ / ๐“๐†๐ˆ / ๐“๐ž๐ง๐ฌ๐จ๐ซ๐‘๐“-๐‹๐‹๐Œ / ๐’๐Š๐๐ข๐ฅ๐จ๐ญ/๐๐ซ๐จ๐ฆ๐ฉ๐ญ ๐„๐ง๐ ๐ข๐ง๐ž๐ž๐ซ๐ข๐ง๐ : ๐Œ๐ฎ๐ฅ๐ญ๐ข-๐ญ๐ฎ๐ซ๐ง / ๐…๐ž๐ฐ-๐ฌ๐ก๐จ๐ญ / ๐™๐ž๐ซ๐จ-๐ฌ๐ก๐จ๐ญ / ๐‘๐€๐†-๐๐š๐ฌ๐ž๐ / ๐๐ซ๐จ๐ ๐ซ๐š๐ฆ๐ฆ๐š๐›๐ฅ๐ž ๐๐ข๐ฉ๐ž๐ฅ๐ข๐ง๐ž๐ฌ/๐๐ฎ๐š๐ง๐ญ๐ข๐ณ๐š๐ญ๐ข๐จ๐ง: ๐€๐–๐ / ๐†๐๐“๐ / ๐†๐†๐”๐… / ๐†๐†๐Œ๐‹ / ๐๐‹๐Ž๐‘๐€ / ๐๐“๐ / ๐ƒ๐/๐‘๐€๐† ๐’๐ฒ๐ฌ๐ญ๐ž๐ฆ๐ฌ & ๐ƒ๐š๐ญ๐š๐›๐š๐ฌ๐ž๐ฌ: ๐‹๐š๐ง๐ ๐‚๐ก๐š๐ข๐ง / ๐‹๐ฅ๐š๐ฆ๐š๐ˆ๐ง๐๐ž๐ฑ / ๐‚๐ก๐ซ๐จ๐ฆ๐š / ๐…๐€๐ˆ๐’๐’ / ๐๐ข๐ง๐ž๐œ๐จ๐ง๐ž / ๐๐๐ซ๐š๐ง๐ญ / ๐–๐ž๐š๐ฏ๐ข๐š๐ญ๐ž / ๐Œ๐ข๐ฅ๐ฏ๐ฎ๐ฌ Greetings! I am Atul Kumar, a seasoned developer with over 8+ years of experience in web application and software development. Working with LLMs for the past 8+ years and have good expertise in AI Agents development using langchain, LlamaIndex, and LLMs like Claude, GPT4o, Amazon Bedrock, Ollama ๐Ÿ”น AI Agents / Voice Agents: CrewAI, AutoGen, Amazon Polly, Deepgram, Rasa AI ๐Ÿ”น LLM Fine-tuning: PEFT, LoRA, QLoRA, RLHF, DPO with Unsloth, Axolotl, HuggingFace AutoTrain ๐Ÿ”น Open-Source LLMs: LLaMA 3, Mistral 7B, Mixtral 8ร—7B, Falcon, Gemma ๐Ÿ”น Inference Optimization: vLLM, TGI, TensorRT-LLM ๐Ÿ”น Prompt Engineering: Multi-turn, Few-shot, Zero-shot, RAG-based prompts ๐Ÿ”น Quantization: AWQ, GPTQ, GGUF, GGML ๐Ÿ”น RAG Systems: LangChain, LlamaIndex, ChromaDB, FAISS, Pinecone, Qdrant ๐Ÿ”น Data Pipeline: Synthetic dataset generation, LLM evaluation frameworks ๐Ÿ”น LLM Deployment: AWS Sagemaker, RunPod, GCP AI Platform, Vercel AI SDK ๐Ÿ–ฅ๏ธ ๐—•๐—ฎ๐—ฐ๐—ธ๐—ฒ๐—ป๐—ฑ ๐—ฆ๐—ธ๐—ถ๐—น๐—น๐˜€: ๐Ÿ”น Proficient in Node.js, Express.js, Python, Django, Flask, AWS Lambda for backend API. ๐Ÿ”น Experienced with relational & NoSQL databases: MySQL, PostgreSQL, MongoDB, Firebase, Firestore. ๐Ÿ”น Skilled in Python FastAPI, REST API, GraphQL API development, and database schema design. ๐Ÿ”น Knowledgeable in Redis, Docker, Kubernetes, AWS EC2, S3, Nginx for scalable infrastructure. ๐Ÿ”น Experienced with Nest.js for enterprise-grade server-side applications. ๐Ÿ”น LangChain, LangServe, LangSmith, HuggingFace, Transformers for AI/LLM integrations. ๐Ÿ”น Vector Databases: Chroma, FAISS, Pinecone, Qdrant for RAG pipelines. ๐Ÿ”น Low-code AI tools: Flowise AI, LangFlow, StackAI for rapid prototyping. ๐Ÿ”น Familiar with Celery task queues, testing frameworks (Pytest, Unittest), and automation tools like Selenium. ๐ŸŒ ๐—™๐—ฟ๐—ผ๐—ป๐˜๐—ฒ๐—ป๐—ฑ ๐—ฆ๐—ธ๐—ถ๐—น๐—น๐˜€: ๐Ÿ”น Proficient in TypeScript, Redux Toolkit, Tailwind CSS with Next.js for high-performance frontends. ๐Ÿ”น Skilled in building Progressive Web Apps (PWA) and Single Page Applications (SPA). ๐Ÿ”น Expert in Vue.js, Nuxt.js, React.js, Next.js, HTML5, CSS3, React Native for responsive and cross-platform UIs. ๐Ÿ› ๏ธ ๐—ง๐—ผ๐—ผ๐—น๐˜€ & ๐—ง๐—ฒ๐—ฐ๐—ต๐—ป๐—ผ๐—น๐—ผ๐—ด๐—ถ๐—ฒ๐˜€: ๐Ÿ”น Skilled in Python ML libraries: Scikit-learn, Numpy, Pandas, Matplotlib, Seaborn. ๐Ÿ”น Familiar with OpenAI APIs, Whisper, GPT models, ChatGPT integration, and AI chatbot deployment. ๐Ÿ”น Experienced with AWS (Lambda, S3, EC2, Sagemaker), Git/GitHub, and Linux environments (Ubuntu, CentOS). ๐ŸŒŸ ๐—”๐—ฑ๐˜ƒ๐—ฎ๐—ป๐—ฐ๐—ฒ๐—ฑ ๐—”๐—œ & ๐—Ÿ๐—Ÿ๐—  ๐—ฆ๐—ธ๐—ถ๐—น๐—น๐˜€: ๐Ÿ”น AI Agents / Voice Assistants: CrewAI, AutoGen, Amazon Polly, Deepgram, Rasa AI. ๐Ÿ”น Open-Source LLMs: LLaMA 3, Mistral 7B, Mixtral 8ร—7B, Falcon, Gemma. ๐Ÿ”น Inference Optimization: vLLM, TGI, TensorRT-LLM for high-speed deployments. ๐Ÿ”น Prompt Engineering: Multi-turn, Few-shot, Zero-shot, RAG-based prompts. ๐Ÿ”น Quantization: AWQ, GPTQ, GGUF, GGML for efficient LLM deployment. ๐Ÿ”น LLM Fine-tuning: PEFT, LoRA, QLoRA, RLHF, DPO with Unsloth, Axolotl, H My expertise spans both frontend and backend technologies, as well as a variety of tools and additional skills that enable me to deliver comprehensive solutions. I am dedicated to providing high-quality, efficient solutions that cater to the unique needs of each project. My diverse skill set allows me to approach challenges from multiple angles, ensuring robust and innovative solutions. Warm regards, Atul Kumar

  • AI Bot
  • AI Chatbot
  • AI Development
  • AI Text-to-Speech
  • AI Text-to-Image
  • AI Speech-to-Text
  • AI App Development
  • AI Agent Development
  • AI Mobile App Development
  • AI Image Generation
  • AI Implementation
  • AI Platform
  • AI Model Integration
  • AI Security
  • AI Trading
Muhammad S.

Burewala, Pakistan

$20/hr
5.0
14 jobs

AI Chatbot & AI Agent Developer building AI receptionists, customer support chatbots, and automation systems for businesses. I help businesses respond faster, capture leads, qualify customers, book appointments, and connect conversations with CRMs, calendars, SMS, WhatsApp, or internal workflows. My focus is business automation systems โ€” not basic chatbot demos. These systems work as AI receptionists for businesses โ€” responding to customers 24/7, qualifying leads, and sending them directly into CRM systems, booking calendars, or internal workflows. I specialize in lead capture and AI receptionist systems for service businesses such as agencies, clinics, coaches, real estate teams, and local service providers. From the first website message to booking confirmation and CRM entry, I design AI workflows that automate the entire customer journey. ๐—”๐—œ ๐—–๐—›๐—”๐—ง๐—•๐—ข๐—ง๐—ฆ ๐—œโ€™๐—ฉ๐—˜ ๐—•๐—จ๐—œ๐—Ÿ๐—ง ๐—™๐—ข๐—ฅ ๐—ฅ๐—˜๐—”๐—Ÿ ๐—•๐—จ๐—ฆ๐—œ๐—ก๐—˜๐—ฆ๐—ฆ๐—˜๐—ฆ โ€ข Built AI chatbots for two live real estate websites that answer property questions instantly and guide visitors to call or schedule appointments. โ€ข Developed a RAG-based AI expert chatbot for a water conditioning company trained on 20+ water treatment topics to provide instant diagnostics and customer guidance. โ€ข Created an AI chatbot for a real estate funding company that qualifies developers, collects project details, and automatically emails conversation summaries to the business. ๐—ช๐—›๐—”๐—ง ๐—œ ๐—›๐—˜๐—Ÿ๐—ฃ ๐—•๐—จ๐—ฆ๐—œ๐—ก๐—˜๐—ฆ๐—ฆ๐—˜๐—ฆ ๐—ช๐—œ๐—ง๐—› โ€ข Reduce customer support workload with AI chatbots โ€ข Capture and qualify more leads automatically โ€ข Book appointments without manual effort โ€ข Automate repetitive internal tasks โ€ข Respond instantly to website visitors โ€ข Improve conversion rates from incoming traffic ๐—ช๐—›๐—”๐—ง ๐—œ ๐—•๐—จ๐—œ๐—Ÿ๐—— โœ”๏ธ AI CHATBOTS (Support, Sales & Booking) AI chatbots trained on your business data to answer questions, guide customers, qualify leads, and schedule appointments automatically. โœ”๏ธ AI AGENTS (Task Automation Systems) AI agents that perform multi-step workflows such as appointment scheduling, research, internal updates, CRM actions, and data processing. โœ”๏ธ AI COMMUNICATION AUTOMATION AI systems for website chat, SMS, and WhatsApp that can answer customers, capture leads, escalate conversations to humans when needed, and support manual takeover workflows. โœ”๏ธ DOCUMENT & KNOWLEDGE BASE AI (RAG SYSTEMS) AI assistants that answer questions from PDFs, internal documents, databases, and knowledge bases using Retrieval-Augmented Generation. โœ”๏ธ CRM & LEAD AUTOMATION AI chatbot integrations that capture customer information and automatically send it to CRM systems, spreadsheets, or internal tools. โœ”๏ธ AI AUTOMATION & INTEGRATIONS Automation connecting AI chatbots with forms, email systems, calendars, payment tools, and business software. โœ”๏ธ PRODUCTION-READY DEPLOYMENT Secure and scalable AI systems built with modern backend frameworks, structured workflows, and reliable deployment practices. ๐—ช๐—›๐—ฌ ๐—–๐—Ÿ๐—œ๐—˜๐—ก๐—ง๐—ฆ ๐—ช๐—ข๐—ฅ๐—ž ๐—ช๐—œ๐—ง๐—› ๐— ๐—˜ โ€ข Business-focused AI automation systems โ€” not experimental demos โ€ข Clear workflow strategy before development โ€ข Structured logic to control AI behavior and actions โ€ข Reliable communication and clear documentation โ€ข Solutions designed to generate real business value ๐—›๐—ข๐—ช ๐—œ ๐—•๐—จ๐—œ๐—Ÿ๐—— ๐—ฆ๐—จ๐—–๐—–๐—˜๐—ฆ๐—ฆ๐—™๐—จ๐—Ÿ ๐—”๐—œ ๐—ฆ๐—ฌ๐—ฆ๐—ง๐—˜๐— ๐—ฆ Every project follows a structured approach: โ€ข Conversation and workflow design aligned with business goals โ€ข Knowledge grounding using RAG for accurate responses โ€ข Controlled action flows for bookings, CRM updates, and automation โ€ข Integration with existing tools and APIs โ€ข Testing, deployment, and monitoring for reliability If you're looking for more than a basic chatbot and want an AI system that captures leads, answers customers, automates communication, and streamlines operations, feel free to send me a message or invite me to your job. Iโ€™d be happy to discuss your project and suggest the best AI solution for your business.

  • AI Agent Development
  • AI Chatbot
  • ChatGPT API Integration
  • Automation
  • Conversational AI
  • Retrieval Augmented Generation
  • Python
  • FastAPI
  • Twilio API
  • WhatsApp
  • CRM Automation
  • Vector Database
  • Pinecone
  • LangChain
  • n8n
  • React
Syed A.

Lahore, Pakistan

$30/hr
4.7
52 jobs

๐ŸŒ๐Ÿš€ MVP / SAAS Specialist Expertise in | AI Developer | RAG | LLM | AI Integration | Python | OpenAI API Integration | Artificial intelligence | Machine Learning | Langchain | Django React JavaScript | FastAPI | AI agent | AI App Development | AI bot | AI chatbot | AI Agent | Restful API | PostgresSQL | Botpress | PostHog | MCP Server | Multi-Agents/Multiple Agents | Voice AI ๐Ÿ”‘ ๐ˆ ๐›๐ฎ๐ข๐ฅ๐ ๐š๐ง๐ ๐๐ž๐ฉ๐ฅ๐จ๐ฒ ๐œ๐ฎ๐ฌ๐ญ๐จ๐ฆ ๐ฐ๐ž๐› ๐š๐ฉ๐ฉ๐ฅ๐ข๐œ๐š๐ญ๐ข๐จ๐ง๐ฌ, AI-Powered MVP, AI Healthcare Tools, AI Writing Tool, GPT Clone, Full Stack Application, Multi-Tenant ๐š๐ง๐ ๐ข๐ง๐ง๐จ๐ฏ๐š๐ญ๐ข๐ฏ๐ž ๐€๐ˆ ๐ฌ๐ฒ๐ฌ๐ญ๐ž๐ฆ๐ฌ ๐ญ๐ก๐š๐ญ ๐ฌ๐จ๐ฅ๐ฏ๐ž ๐œ๐จ๐ฆ๐ฉ๐ฅ๐ž๐ฑ ๐ฉ๐ซ๐จ๐›๐ฅ๐ž๐ฆ๐ฌ, ๐œ๐ซ๐ž๐š๐ญ๐ž ๐ง๐ž๐ฐ ๐ฏ๐š๐ฅ๐ฎ๐ž, ๐š๐ง๐ ๐ข๐ฆ๐ฉ๐ซ๐จ๐ฏ๐ž ๐ฎ๐ฌ๐ž๐ซ ๐ž๐ฑ๐ฉ๐ž๐ซ๐ข๐ž๐ง๐œ๐ž๐ฌ. ๐ŸŽ A 100% refund, if I'm unable to meet our agreed commitments. No questions asked! ๐Š๐ž๐ฒ ๐…๐š๐œ๐ญ๐ฌ: ๐Ÿง‘โ€๐Ÿ’ป 8+ years of experience as a Full Stack Developer and Artificial Intelligence Specialist ๐Ÿš€ 50+ market-winning projects launched โŒ› Around 600 hours on Upwork ๐ŸŽฏ Top-Rated on Upwork ๐ŸŒ‰๐ˆ'๐ฏ๐ž ๐ฌ๐จ๐ฅ๐ฏ๐ž๐ ๐ž๐ง๐ ๐ข๐ง๐ž๐ž๐ซ๐ข๐ง๐  ๐ฉ๐ซ๐จ๐›๐ฅ๐ž๐ฆ๐ฌ ๐Ÿ๐จ๐ซ ๐ญ๐จ๐ฉ ๐œ๐จ๐ฆ๐ฉ๐š๐ง๐ข๐ž๐ฌ ๐š๐ง๐ ๐ฌ๐ญ๐š๐ซ๐ญ๐ฎ๐ฉ๐ฌ ๐š๐ซ๐จ๐ฎ๐ง๐ ๐ญ๐ก๐ž ๐ ๐ฅ๐จ๐›๐ž โ˜‘๏ธ Under Armour โ˜‘๏ธ Snowflake โ˜‘๏ธ Estateza โ˜‘๏ธ SearchLook โ˜‘๏ธ Sparrowcharts ๐Ÿ’ก ๐–๐ก๐š๐ญ ๐œ๐š๐ง ๐ˆ ๐›๐ซ๐ข๐ง๐  ๐ญ๐จ ๐ฒ๐จ๐ฎ๐ซ ๐ญ๐š๐›๐ฅ๐ž? โ˜‘๏ธ Full Stack Development for robust and scalable web applications, including both front-end and back-end technologies โ˜‘๏ธ Custom Web and Application Development utilizing frameworks like Python, React, Django, React.js / Angular / Next.js / Nest / Nust / Golang and Node.js โ˜‘๏ธ Expertise in LLMs and ChatGPT integration to enhance application functionalities โ˜‘๏ธ Proficiency in RESTful APIs, GraphQL, and database management โ˜‘๏ธ Experience with cloud services like AWS, Azure, and Google Cloud for deployment and scaling โ˜‘๏ธ Strong problem-solving skills and ability to optimize user experiences and application performance ๐ŸŒŸ๐‡๐ž๐ซ๐ž'๐ฌ ๐ฐ๐ก๐š๐ญ ๐‚๐ฅ๐ข๐ž๐ง๐ญ๐ฌ ๐ก๐š๐ฏ๐ž ๐ญ๐จ ๐ฌ๐š๐ฒ ๐š๐›๐จ๐ฎ๐ญ ๐ฆ๐ž: ๐ŸŒŸ Ali Hamza is in the top tier of software developers and data engineers. He is far more than an implementer; he is a strong architect. During this project set, Usama worked on data from major US corporations ๐ŸŒŸ One of the best developers I have ever worked with. He is always on time and does exactly what he says he will do. I could not recommend him enough. ๐ŸŽฏ ๐ˆ ๐ฉ๐จ๐ฌ๐ฌ๐ž๐ฌ ๐ž๐ฑ๐ฉ๐ž๐ซ๐ญ๐ข๐ฌ๐ž ๐ข๐ง ๐ญ๐ก๐ž ๐Ÿ๐จ๐ฅ๐ฅ๐จ๐ฐ๐ข๐ง๐  ๐๐จ๐ฆ๐š๐ข๐ง๐ฌ โ˜‘๏ธ Full Stack Development: โ˜‘๏ธ Backend: โ˜‘๏ธ Python โ˜‘๏ธ Django โ˜‘๏ธ Flask โ˜‘๏ธ NodeJs, Express.js โ˜‘๏ธ Rest API, SOAP โ˜‘๏ธ Websocket โ˜‘๏ธ Third party integration โ˜‘๏ธ Frontend: โ˜‘๏ธ Html5, Css3, Bootstrap โ˜‘๏ธ Javascript โ˜‘๏ธ ReactJs, Angular โ˜‘๏ธ VueJs โ˜‘๏ธ NextJs, NuxtJs โ˜‘๏ธ Ajax, JSON, XML, XHTML, SVG, Canvas โ˜‘๏ธ API integration, OpenAI API โ˜‘๏ธ DevOps: โ˜‘๏ธ CI/CD Pipelines โ˜‘๏ธ IaC โ˜‘๏ธ Docker โ˜‘๏ธ Kubernetes / Terraform โ˜‘๏ธ Elasticsearch โ˜‘๏ธ Cloud Computing (Azure, AWS, Google Cloud) โ˜‘๏ธ Version Control (Git, GitHub) โ˜‘๏ธ Containerization + Orchestration (Docker, Kubernetes) โ˜‘๏ธ Spring Boot / Java, Microservices Architecture โ˜‘๏ธ Real-time / Streaming / Event-driven architectures โ˜‘๏ธ Session Recordings / Session Replays โ˜‘๏ธ GraphQL / gRPC โ˜‘๏ธ Kafka / Redpanda (real-time streaming) โ˜‘๏ธ Generative Artificial Intelligence (GenAI) โ˜‘๏ธ Large Language Models (LLMs) โ˜‘๏ธ Natural Language Processing (NLP) โ˜‘๏ธ ChatBots and Virtual Assistants โ˜‘๏ธ Text to Image Modelling โ˜‘๏ธ Vector Databases โ˜‘๏ธ Retrieval-Augmented Generation (RAG) โ˜‘๏ธ ChatGPT โ˜‘๏ธ OpenAI โ˜‘๏ธ AI/ML (Artificial Intelligence + Machine Learning) โ˜‘๏ธ Multimodal AI / NLP โ˜‘๏ธ Agentic AI / Autonomous Agents โ˜‘๏ธ โ€œVibe Codingโ€ / AI-first / prompt-driven dev workflows โ˜‘๏ธ Explainable AI / Ethical, Sustainable AI โ˜‘๏ธ Edge AI / On-device / Federated Learning โ˜‘๏ธ Web Scraping โ˜‘๏ธ Data Extraction โ˜‘๏ธ Data Scraping โ˜‘๏ธ Scrapy โ˜‘๏ธ Selenium โ˜‘๏ธ Beautiful Soup โ˜‘๏ธ Requests โ˜‘๏ธ Deployment and scheduling the scraping scripts on server โ˜‘๏ธ PostHog / Mixpanel / Amplitude / Segment (Twilio Segment) โ˜‘๏ธ OpenTelemetry (Datadog / Grafana / Sentry โ˜‘๏ธ LaunchDarkly / GrowthBook / VWO / Optimizely / Klaviyo โ˜‘๏ธ Airbyte / Fivetran / DBT โ˜‘๏ธ Auth0 / Clerk / SuperTokens / Google Auth โ˜‘๏ธ Stripe / Paddle โ˜‘๏ธ Plaid AI + Analytics Integrations โ˜‘๏ธ LangSmith / LangFuse โ€“ Observability and evaluation layer for LLM apps. โ˜‘๏ธ Weaviate / Pinecone / Qdrant โ€“ Vector DBs for AI features with analytics hooks. โ˜‘๏ธ Whylabs / Arize AI โ€“ ML observability & monitoring (similar to PostHog but for models). I am a Fullstack AI Developer - Python Django, React, Flask, API Integration I can help you to build: โšก Fast MVP Development (AI-Powered) โœ… โšก AI Powered SAAS Applications โœ… โšก AI Agent RAG Systems | AI Chatbots โœ… โšก Open AI API Integrations / LLM โœ… โšก Full stack Development (AI/ML, Django, React) โœ… โšก AI Workflows Automation โšก Voice AI tools Thank you for visiting my profile. Looking forward to working with you! I will ๐Ÿ’ฒREFUND ๐Ÿ’ฒ, if your expectation wont meet. For reference, you can see my work and testimonials below. Lets Chat!

  • Chatbot Development
  • Artificial Intelligence
  • Machine Learning
  • AI Agent Development
  • OpenAI API
  • AI Development
  • Django
  • Python
  • Retrieval Augmented Generation
  • API Integration
  • JavaScript
  • React
  • PostgreSQL
  • Large Language Model
  • LangChain
  • API
  • LLM Prompt Engineering
  • Web Application
  • AI App Development
  • FastAPI
Muhammad A.

Chichawatni, Pakistan

$35/hr
5.0
79 jobs

If your DMs go unanswered, your follow-ups are manual, and your CRM is a graveyard of cold contacts. You're losing clients to competitors who automated first. I build revenue-focused automation systems using ManyChat and GoHighLevel that turn Instagram engagement into booked appointments and paying clients, without hiring more staff or adding to your workload. Every system I deliver runs 24/7, qualifies leads intelligently, and hands off only ready-to-buy prospects to your sales process. With 5+ years building chatbot and CRM automation systems, I've delivered production-ready solutions for clients in Australia, the Philippines, Germany, the US, and the Middle East. I've worked across migration consultancies, real estate agencies, coaching businesses, and medical practices. My work isn't just technically clean. It's engineered around your conversion goals. ManyChat & AI Chatbot Automation โœ” AI-powered chatbot flows with smart lead qualification and dynamic response logic โœ” Full ManyChat AI setup: knowledge base, fallback handling, and intent routing โœ” Instagram DM funnels: comment-to-DM, story reply, follow-to-DM, and ad-to-DM โœ” WhatsApp, Messenger & TikTok automation across all major Meta platforms โœ” Multi-step nurture sequences from cold contact to ready-to-buy โœ” Keyword triggers, button flows, and conditional logic for personalized conversations โœ” Broadcast campaigns and re-engagement sequences to reactivate cold leads GoHighLevel CRM & Workflow Automation โœ” Full GHL CRM builds: pipelines, tags, custom fields, and contact segmentation โœ” Automated email and SMS sequences triggered by lead behavior and pipeline stage โœ” Appointment booking with confirmation, reminder, and no-show follow-up flows โœ” Payment integrations and third-party connections via Zapier, Make, and webhooks โœ” High-converting landing pages and funnel setups built inside GHL โœ” Snapshot builds, sub-account setup, and white-label configuration for agencies โœ” AI conversation bots inside GHL for 24/7 lead response and appointment booking Results From Real Clients Australian Migration Consultancy: Built a full ManyChat AI chatbot across Instagram, Facebook, and WhatsApp that qualifies visa applicants by type, routes them to the right flow, and books consultations automatically. Zero manual intervention required. Real Estate Agency, Philippines: Built and maintained a ManyChat knowledge base chatbot handling property inquiries, qualifying buyer intent, and capturing lead details directly into their GHL CRM pipeline. German-Language Coaching Business: Built a complete ManyChat funnel in German with qualifying sequences, lead magnet delivery, upsell paths, and KlickTipp email integration. Runs entirely on autopilot. I Work With โœ” Real Estate Agencies & Property Developers โœ” Coaches, Consultants & Course Creators โœ” Migration & Visa Services โœ” Clinics, Med Spas & Medical Practices โœ” E-commerce & Service-Based Businesses Why Clients Choose Me โœ” 100% Job Success Score, Top Rated on Upwork with 70+ completed projects โœ” Systems engineered for revenue outcomes, not just technical automation โœ” Instagram-safe flows with zero account suspension risk โœ” End-to-end expertise: ManyChat + GoHighLevel + Zapier + Make in one place โœ” 90-day post-launch support included on every project โœ” Clear scoping, clean delivery, no surprises mid-project Technologies ManyChat, GoHighLevel, Zapier, Make, n8n, WhatsApp Business API, Meta Ads Manager, Instagram DM, Messenger, TikTok, AI Integrations, Webhooks, KlickTipp, ActiveCampaign, HubSpot If you're ready to stop chasing leads manually and start running a system that works around the clock, let's talk.

  • Chatbot Development
  • ManyChat
  • HighLevel
  • Marketing Automation
  • Instagram Plugin
  • Chatbot Flow Design
  • AI Chatbot
  • Automated Workflow
  • Lead Generation Chatbot
  • Customer Service Chatbot
  • Chatbot Integration
  • CRM Automation
  • Facebook Messenger
  • Marketing Automation Strategy
  • Lead Management Automation
  • Email Automation
  • Zapier
  • Make.com
  • API Integration
  • Messenger Marketing

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Don't just take our word for it

Chatbot developer hiring guide

Chatbot developers design and build AI-powered conversational tools that improve customer support, streamline lead generation, and boost user engagement. From rule-based FAQ bots to advanced generative AI assistants, these specialists combine technical expertise in natural language processing (NLP) and machine learning to create solutions that save time and increase efficiency. This guide covers what chatbot developers do, typical project costs, and how to evaluate and hire the right professional for your needs.

What does a chatbot developer do?

A chatbot developer designs and builds AI-driven chatbots that simulate human conversations through conversational AI and natural language understanding (NLU). These professionals use tools like ChatGPT, Botpress, and Dialogflow, or build custom frameworks using large language models (LLMs), to automate interactions across social media, websites, and messaging platforms like WhatsApp and Slack.

Chatbot developers create custom solutions tailored to business needs, such as customer support automation or appointment scheduling. They integrate chatbots into existing customer relationship management (CRM), application programming interface (API), or workflow systems to improve the customer experience. Beyond initial development, they fine-tune AI models, design conversation flows, and ensure seamless handoffs to human agents.

How to hire a chatbot developer on Upwork

Identifying the right chatbot developer involves more than evaluating coding skills; it requires finding a partner who understands your customer journey and can translate business goals into seamless conversational experiences. Follow these steps to find and hire a qualified chatbot developer for your project.

Step 1: Post a job

A well-crafted job post is your first opportunity to attract chatbot developers with the right technical skills and industry experience. The more specific you are about your project requirements, the more likely you are to receive proposals from qualified candidates.

  • Specify the type of chatbot you need, i.e. a customer support bot, AI assistant, or lead generation bot

  • Mention the tools, platforms, or APIs (e.g., Dialogflow, Azure, WhatsApp) in your current workflow

  • Clarify whether the project involves generative AI or no-code builders

To draft a tailored job post quickly, try the Job Post Generator powered by Umaโ„ข, Upwork's Mindful AI. Describe your needs in a few sentences, and Uma will craft a post in seconds. You can also review job description templates to see what information a post might include.

Step 2: Evaluate candidates

As you receive proposals, youโ€™ll want to take a systematic approach to reviewing them that allows you to identify the technical qualifications and past results of a candidate, as well as their ability to collaborate well with your team.

  • Have Uma give instant interviews and side-by-side comparisons

  • Use Upworkโ€™s filters to find candidates by rate, location, and experience

  • Read proposals to verify that candidates have understood your challenges and either have a plan to move you forward, or are asking informed questions

  • Check profiles for certifications, work history, and skills with systems and workflows you need

  • Review portfolios for case studies and to verify that candidates have successfully completed projects of similar size and scope to yours

Step 3: Interview your top choices

Quick video interviews allow you to ask any questions you have left for your top candidates, and to get a feel for what a collaboration with them might be like. 

  • Schedule and conduct interviews within Upwork messaging to get instant transcripts and summaries from Uma

  • Discuss problem-solving and how they handle ambiguous user inputs or data privacy requirements

  • Review workflows and talk about how to automate handoffs between bot and human agents

  • Evaluate their communication skills and how clearly they explain technical concepts

If youโ€™re unfamiliar with interviewing or working with freelancers, you can review common interview questions for freelancers. For more technically minded ideas, you can check out 20 AI developer interview questions and answers or machine learning engineer interview questions.

Step 4: Agree on scope and begin work

Before the person you choose can begin work, youโ€™ll need to have a clear contract in place. Contracts protect both parties and help collaborations be successful from beginning to end.

  • Use Upworkโ€™s tools and services for creating and managing contracts, and processing payments

  • Choose fixed-price contracts for projects with clear deliverables, such as developing a basic FAQ bot or rule-based flow

  • Set milestones to separate large projects into manageable deliverables, such as data mining and processing, bot training, and final delivery

  • Choose hourly contracts for projects that will be ongoing, such as regular updates or fine tuning 

Once the contract starts, be sure to have a quick onboarding and to give the expert everything they need to succeed, including the necessary access to project management tools.

How much does hiring a chatbot developer cost?

Chatbot developers on Upwork typically charge $30-$61 per hour, but the total cost of hiring a chatbot developer is determined by market demand and the scope and complexity of the project, as well as by the skill and experience of the developer. The following chart lists typical prices for projects commonly found through Upwork.

Small project

$1,000-$5,000 /project

Entry- to mid-level
  • Basic FAQ bots
  • WhatsApp chatbots
  • Simple rule-based flows
  • Prototype development

Mid-sized project

$10,000-$40,000 /project

Mid- to senior-level
  • NLP-enabled chatbots
  • CRM integrations
  • Slack/Teams integration
  • Conversation design

Large project

$40,000-$150,000+ /project

Senior-level/specialist
  • Full conversational AI systems
  • LLM fine-tuning
  • Analytics dashboards
  • Multi-channel deployment

Frequently asked questions

Is hiring a chatbot developer worth it?

Yes, hiring a chatbot developer is worth it โ€” especially if you want to automate customer conversations and streamline lead generation. Chatbots can reduce customer support costs by around 30% while enhancing user satisfaction.

What skills should I look for in a chatbot developer?

Look for developers with strong natural language processing (NLP), Python, and API integration skills. Familiarity with frameworks like Dialogflow, Rasa, or Botpress is essential. The best developers also understand conversation design, prompt engineering, and database integration.

What are the main types of chatbots?

There are four main types of chatbots: rule-based bots, AI-driven chatbots, voice-enabled chatbots, and hybrid chatbots. Rule-based bots follow scripts, while AI-driven bots use machine learning and NLP to analyze context. Hybrid bots combine both, and voice chatbots integrate with assistants like Alexa.

What platforms can chatbot developers build for?

Developers can build for platforms like Slack, Microsoft Teams, Facebook Messenger, Telegram, WhatsApp, and mobile apps. Many also integrate chatbots directly into websites or CRMs for centralized communication.

How long does a typical chatbot development project take?

The timeline to build a chatbot varies by complexity. A simple rule-based FAQ bot might take 2-4 weeks, while an AI-powered bot with CRM integration typically requires 6-12 weeks. Enterprise-grade chatbots with advanced NLP and custom training can take 3-6 months.

What industries commonly hire chatbot developers?

Chatbot developers are in high demand across e-commerce, healthcare, financial services, and customer service sectors. E-commerce uses them for product recommendations, healthcare for appointment scheduling, and finance for fraud alerts and account inquiries.

What should I include in my chatbot developer job description?

In the job description, outline your chatbot's purpose, target users, and required integrations. Include preferred frameworks, API connections, and AI models (like ChatGPT). Be upfront about project scope and post-launch support needs.

Can I use AI tools instead of hiring a chatbot developer?

AI tools can build basic bots, but custom projects need human expertise. Developers handle back-end setup, workflow automation, and fine-tuning AI models to match specific business goals, which automated platforms often cannot replicate.