Hire the Best Chatbot Developers
in Ukraine

More than 3,000 reviews on G2
Rating is 4.5 out of 5.
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Oleksandr T.

Kyiv, Ukraine

$40/hr
5.0
56 jobs

Want smarter automation, better user engagement, and AI-powered growth? Send me your idea and I’ll break it down into a clear AI Chatbot Development strategy with quick wins and scalable long-term architecture. As your AI Chatbot Developer / AI Agent Developer, I’ll also explain how AI Chatbot Development drives business development and revenue 🤖 🔹 AI Engineer with 18+ years of programming experience (since 2006) 🔹 100+ chatbots / ai agent built as AI Agent Engineer resolving 70%+ of queries autonomously 🔹 Business-first mindset focused on ROI 🔹 Trusted AI Automation Specialist automating 50+ daily tasks / Automation Engineer saving 500+ hours/month for 100+ clients & 20+ startups 🔹 AI Agent Developer | AI Chatbot Developer | Telegram Bot Expert | Web Developer 🔹 Fast, clear communication & startup-friendly mindset I’m a senior engineer / ai agent developer / ai chatbot developer / agentic ai developer specializing in AI chatbot, AI platforms, AI solutions for Crypto and automation-driven businesses. My work focuses on building production-ready AI Chatbot (s), AI Agent (s), AI RAG, AI assistants, autonomous agents, Telegram trading bots, and crypto Telegram bots that scale securely and reliably. Whether you need website chats, voice AI agent, customer support automation, Telegram bots, Slack bots or advanced AI RAG systems, my approach ensures real business impact—not just demos. 🚀 AI Results I’ve Delivered • AI Chatbot Development of 100+ Python chatbots deployed across websites, Telegram, and Slack shipped across 30+ countries • 50+ AI Agent Development and bot development projects automating customer support and lead generation • 30+ AI workflow automation pipelines cutting manual processing time by 70%+ • Data Science and Data Analysis pipelines reducing human support workload by 60%+ • 30+ RAG, Neural Network and Natural Language Processing (NLP) solutions improving response accuracy by 40%+ • 15+ PyTorch and 4+ TensorFlow models trained and deployed to production • 30+ PHP and WordPress sites with custom AI chatbot and API integration over 10+ providers • 25+ Node.js and 12+ React and JavaScript projects handling 10,000+ concurrent users • Generative AI, Artificial Intelligence integrations raising user engagement by 45%+ • Machine Learning and Deep Learning architectures lifting AI prediction accuracy to 95%+ • 40+ Blockchain projects over 10+ DeFi, wallets, payment systems • AI sales agent and deal closer chatbots lifting conversion rates by 35%+ 📌 Full-Spectrum AI Chatbot Development Services • AI Agent Development, bot development and AI workflow automation • SaaS assistant • AI Agent Developer for startups and enterprises • AI RAG chatbot system for private data & SaaS • AI customer support & lead gerenation • Website chatbot, Slack bot & Voiceflow chatbot • Business automation and AI integration • Etsy marketing and Pinterest marketing • WordPress, API integration & admin dashboard • Blockchain & Web3 chatbot • Crypto / Blockchain Telegram trading bots • AI Agent automation & conversational workflow • Multi-agent & AI Agent Developer services • Practical deployments for customer support (Tidio) and lead generation (Conversiobot) Developer Stack • LangChain, LangGraph, CrewAI, AutoGen, OpenAI • Open AI chatbot, Claude, Gemini, GPT-3 & GPT-4 integrations • Flask, FastAPI, DialogFlow, ManyChat, Botpress • FAISS, Chroma, Pinecone, Weaviate, MySQL, PostgreSQL, MongoDB • Website chat, Telegram bot, WhatsApp chatbot, Slack & Discord bot • Python, PHP, JavaScript, Node.js & React 📈 Advanced AI Chatbot Development & AI Agent Development I don’t just “build bots” — I engineer intelligent systems. My AI Chatbot Developer process covers conversation design, model selection, AI Agent Development, and scalable backend architecture. Using LangChain, LangGraph, ai agent n8n, FastAPI, and modern AI pipelines, I've built 100+ AI Agents that reason, retrieve data, and execute workflows — as your expert AI Agent builder trusted by 50+ businesses and AI Agent creator with 70%+ autonomous query resolution. As a senior AI Chatbot Developer / AI Agent Developer, my focus is reliability, security, and measurable results for chatbot marketing and business automation. • For SaaS & AI platforms, I build AI RAG chatbot solutions that answer accurately from private data. • For startups, I provide MVP-focused AI Chatbot Development that scales smoothly. • For Crypto projects, I deliver chatbots integrated with smart contracts and payment systems. 📩 If you’re looking for a senior AI Chatbot Developer / AI Agent Developer specializing in AI Chatbot Development, AI RAG systems and conversion-focused AI Chatbot Developer solutions, let’s talk. I build intelligent systems that actually work — and scale.

  • Chatbot Development
  • Chatbot
  • JavaScript
  • Machine Learning
  • Natural Language Processing
  • Python
  • Bot Development
  • Artificial Intelligence
  • Node.js
  • PHP
  • React
  • Deep Learning
  • PyTorch
  • TensorFlow
  • WordPress
  • Data Analysis
  • Blockchain
  • Data Science
  • Neural Network
  • Generative AI
Illia H.

Vinnytsya, Ukraine

$84/hr
5.0
46 jobs

✨ Intercom is the best AI-first Customer Service software. I use the best industry practices to develop Intercom AI Chatbots, Automation, and Help Desk for businesses (chat widgets, help centers, workspaces, macros, integrations, workflows). 🤖 I have developed and maintained over 30 Intercom AI Chatbots using the Intercom’s Fin technology. I have built AI Chatbots for companies specializing in E-commerce, SaaS, education, finance, investments, restaurant and hospitality, and health and wellness. I am skilled at training AI models, designing conversational flows, and integrating assistants with various platforms. AI Employees are getting better every day. Automated Customer Service is not a luxury, it’s a necessity in the 21st century. Let me help you make your business sustainable and cost-effective. 🤩 Your customers will receive automated and instant assistance from the AI Companion 24/7. With regular quality assurance and help center article creation, I guarantee that we will achieve a 100% resolution rate for common questions. Remaining customer inquiries will be handed over by the AI Chat Agent to your team. Your team will stop providing tedious Customer Support assistance by answering the same questions over and over again and will now have time for high-level Customer Success. 👨‍💻 My extensive Customer Service and Support Operations experience also provides a solid foundation for the development of AI Chatbots. I am a Head of Customer Service and Support Operations with more than 4 years of management and 8 years overall industry experience. I enjoyed managing teams of up to 15 people while working at a world-famous social media company, and a Swiss investment company. I am proficient with Intercom, Zendesk, Zapier, Make, n8n, Salesforce, Prompt Engineering, Botpress, and Voiceflow.

  • Chatbot Development
  • Intercom
  • Zendesk
  • AI Chatbot
  • Artificial Intelligence
  • AI Agent Development
  • AI App Development
  • AI Model Training
  • AI Model Integration
  • Generative AI
  • Prompt Engineering
  • Zapier
  • Customer Service
  • Customer Support
  • Salesforce
Nataliia A.

Bila Tserkva, Ukraine

$40/hr
5.0
2 jobs

🟢 Is your sales team overwhelmed by manual data entry? Or are you looking for an intelligent AI Agent to turn your CRM into a revenue-generating machine? 🟢 I’m Nataliia, a Senior ai developer and custom crm developer with over 12 years of experience. I specialize in building autonomous systems where chatbot development meets high-end business infrastructure. 👋 Hi! I help businesses bridge the gap between conversational AI and complex backend logic. As an ai chatbot developer and full stack developer, I design solutions that don’t just "chat"—they think, act, and manage your data. Whether you need a sophisticated AI Agent or a custom crm developer to architect a proprietary sales ecosystem, I ensure your ai development is robust, secure, and profit-driven. 🎯 Strategic Focus on AI Agents & CRM Ecosystems: ✔️ Enterprise AI Chatbot Development: As a professional ai chatbot developer, I build more than just FAQ bots. I specialize in chatbot development using openai api, generative ai, and custom machine learning models. My bots act as 24/7 sales engines that qualify leads and sync directly with your database, ensuring every ai app I build delivers a 10x ROI. ✔️ Custom CRM Development & AI Integration: I am your expert custom crm developer. I don’t just use off-the-shelf tools; I build bespoke CRM platforms tailored to your specific workflows. As an ai python developer, I integrate an AI Agent directly into your CRM to automate lead scoring, follow-ups, and data analysis, making your ai development truly autonomous. ✔️ Autonomous AI Agent Architecture: I act as an AI Agent architect for businesses needing complex task automation. My approach as an ai developer and custom crm developer ensures that your AI Agent can perform python web scraping, manage api integration python tasks, and execute business logic inside your custom crm without human intervention. ✔️ Technical API & Data Engineering: As a senior ai python developer, I lead api integration python projects to connect your chatbot development efforts with external tools. Whether I’m acting as an ai app developer or a full stack developer, I ensure your ai chatbot ecosystem is backed by a powerful ai python developer infrastructure. Proven Success in AI & CRM Architecture: 🔶 AI Chatbot Developer for Global SaaS: Deployed an AI Agent that handled 85% of customer support queries autonomously. As an ai chatbot developer, integrated the bot with a custom crm to increase lead conversion by 40%. Managed ai development workflows that reduced operational overhead by $50k/month. 🔶 Custom CRM Developer for Lead Gen Agency: Architected a custom crm from scratch as a full stack developer, supporting 500k+ active leads. Integrated ai chatbot developer logic to qualify leads via WhatsApp and Telegram. Used ai python developer scripts to automate 90% of the manual data entry. 🔶 AI Python Developer for Fintech: Developed an AI Agent for automated risk assessment as an ai python developer. Built the custom crm developer dashboard to visualize real-time machine learning insights. Led api integration python tasks to connect the system with secure banking APIs. 🚀 Why Hire me as your AI & CRM Lead? Senior AI Developer: 12+ years of ai software developer and ai development excellence. Expert Custom CRM Developer: Specialist in building proprietary CRM systems and full stack developer solutions. Chatbot Development Authority: Master of gpt chatbot, open ai chatbot, and complex ai chatbot logic. Professional AI Python Developer: Expert in ai python, python web scraping, and machine learning. AI Agent Architect: Delivering an AI Agent for sales automation and ai lead generation. 🔹 Specialized Solutions I Offer: AI Chatbot Developer: Whatsapp chatbot, telegram chatbot, and web-based chatbot development. Custom CRM Developer: Bespoke CRM architecture, database design, and api development. AI Agent Architect: Autonomous AI Agent for lead nurturing and custom crm management. AI Python Developer: api integration python, python web scraping, and ai model training. Full Stack Developer: Custom ai app systems, React/Next.js frontends, and Node.js/Python backends. Looking for a technical ai developer, a dedicated ai chatbot developer, or a senior custom crm developer? If you need an AI Agent to scale your operations or a professional ai python developer to build your next-gen custom crm, I am ready to deliver. Message me today for a CRM Audit or an AI Consultation! ☎️ Last account update: 01.04.2026

  • Chatbot Development
  • Chatbot Script
  • Chatbot
  • Machine Learning
  • Natural Language Processing
  • Python
  • Chatbot Integration
  • AI Chatbot
  • GPT Chatbot
  • Chatbot Prompt
  • ChatGPT
  • Bot Development
  • Artificial Intelligence
  • API Integration
  • AI App Development
  • CRM Automation
  • CRM Development
  • CRM Software
  • Zoho CRM
  • AI Agent Development
Vitaliy A.

Shevchenkove, Ukraine

$45/hr
5.0
107 jobs

🦾 AI-powered solutions. OpenAI integrations. Machine learning capabilities. Business automation. 🧩 Requirements call required. 🛑 No small fixes projects – sorry, guys. I’m an AI Developer and Open AI developer with 13+ years of experience in SaaS products, automation systems, backend platforms, and business tools. My work combines practical AI Integration, scalable architecture, Python developer expertise, JavaScript, and strong product thinking. As an AI Developer, I help clients build internal tools, dashboards, chatbots, AI Langchain workflows, data platforms, web applications, and automation systems. I also work as a Python Django developer when projects need secure APIs, admin panels, user roles, CRM connections, database logic, and stable backend architecture. My stack includes Python, Django, React, JavaScript, REST APIs, PostgreSQL, Docker, OpenAI, Claude, LangChain, vector databases, Zapier, Airtable, n8n, make com, Slack, Google Workspace, and third-party API connections. 💼 Why Work With Me? I don’t just write code — I build systems that solve real business problems. As an AI Developer and Agentic AI Developer, I focus on clean workflows, reliable outputs, automation logic, and product usability. For AI Integration, I connect models with your real data, users, tools, and business processes. This includes AI API Integration, Airtable Integration, chatbots, copilots, document processing, customer support automation, reporting systems, knowledge bases, and smart assistants connected to CRMs, databases, files, and APIs. As a Python developer, I build scalable backend systems with clear structure, secure permissions, optimized databases, background jobs, and clean admin logic. I also support Python developer web scraping, data processing, automation scripts, API integrations, reporting workflows, and ML-related pipelines. On the frontend side, I use JavaScript to build dashboards, admin portals, SaaS interfaces, internal tools, analytics screens, and API-driven product flows that are simple for real users. 💻 Development Expertise AI Developer services: smart assistants, workflow agents, SaaS tools, AI Developer zapier workflows, document analysis, recommendation logic, and business copilots. AI Integration Specialist work: OpenAI, Claude, vector search, Airtable, CRMs, internal databases, n8n, make com, Slack, Stripe, and custom APIs. Python developer work: backend logic, automation, data pipelines, scraping, reporting, API services, background workers, integrations, and analytics. Python Django developer work: SaaS backends, admin panels, authentication, permissions, dashboards, REST APIs, PostgreSQL, Celery, Redis, and secure architecture. JavaScript: React interfaces, dynamic web apps, dashboards, interactive workflows, API-driven screens, and modern frontend development. Machine Learning: NLP, LLM workflows, predictive analytics, AI Machine Learning features, recommendations, classification logic, and business intelligence. 🧠 Use Cases I Can Build AI Developer Langchain projects for SaaS startups, agencies, internal teams, marketplaces, fintech, real estate, operations, and e-commerce. AI Integration for customer support, sales, operations, research, reporting, content workflows, document automation, and internal knowledge systems. Python developer geospatial solutions, Python Full stack platforms, Python AI developer tools, data scientist workflows, web scraping systems, and API Integration pipelines. Full stack developer support for web developer tasks, backend architecture, frontend delivery, automation, dashboards, and production-ready product development. 🔧 How I Approach Projects First, I clarify your goals, process, users, data, integrations, and business priorities. Then I design a practical architecture and build step by step, with attention to reliability, security, performance, and future scaling. For AI Integration, I focus on prompt quality, context structure, data sources, fallback logic, logging, testing, and human review. A strong AI Integration is not just a model call; it is a complete workflow that fits your business. I can also join projects at different stages: early MVP planning, rebuilding legacy workflows, improving existing AI tools, or scaling a working platform. My focus is always on practical delivery, clear communication, clean code, and measurable business value. I’m comfortable working with founders, agencies, product teams, and non-technical clients who need a reliable technical partner, not just a coder. I can help define the MVP scope, choose the right stack, estimate the effort, and then build the product step by step with demos, feedback loops, and stable deployment. If you need a reliable AI Developer who can combine AI Integration, Python developer expertise, JavaScript, Machine Learning, web developer experience, and full-cycle delivery, I can help you build and launch a product that works.

  • JavaScript
  • Machine Learning
  • Natural Language Processing
  • Python
  • AI Agent Development
  • AI Development
  • OpenAI API
  • n8n
  • Make.com
  • API Integration
  • Automation
  • Software Architecture & Design
  • ChatGPT API
  • AI Implementation
  • Computer Vision
  • Node.js
  • RESTful API
  • Artificial Intelligence
  • Software Development
  • HTML5
Andrii N.

Kyiv, Ukraine

$35/hr
5.0
12 jobs

Most AI agents fall apart when they hit real business logic. Mine don't. As a Senior AI Developer and AI Engineer, I build autonomous systems that cut manual workflows by up to 85% — the kind your team will wonder how they ever lived without. 📩 Send your brief — I'll reply within 2 hours with a concrete action plan. 🏆 Why work with me? 🥇 Senior AI Developer and OpenAI developer with a track record of production-ready systems. 🥇 Expert AI Agent architect, agentic AI developer, and AI agent saas specialist delivering 10x ROI across SaaS, E-commerce, and Fintech. 🥇 Top-Rated AI Chatbot Developer — OpenAI developer, Bolt AI Developer, chatbot developer, and GPT-4 expert. 🥇 AI voice chatbot and AI voice assistant builder — AI voice VAPI, AI phone agent, and AI call agent systems that work 24/7. ❇️ Custom AI Agent & Autonomous Systems As a dedicated AI Developer, I build robust business logic — not wrappers. My AI Agent architecture relies on LangChain, LangGraph, and CrewAI. As an AI Developer with LangChain and Zapier expertise, I connect AI agent automation workflows to Slack, Shopify, and enterprise backends. Every AI Agent doubles as a 24/7 AI sales agent. As a Bolt AI Developer and AI web developer, I ship AI agent saas systems with front-end developer AI interfaces. As an OpenAI developer and generative AI agent specialist, the OpenAI API, GPT-4, and ChatGPT sit at the core of every AI Agent build. My AI agent python and AI agent n8n experience covers every layer of the automation stack. ❇️ AI Voice Chatbot, AI Phone Agent & AI Call Agent As an AI voice chatbot and AI voice assistant specialist, I build AI voice VAPI systems, AI phone agent flows, and AI call agent pipelines for sales, support, and AI agent real estate. My AI voice chatbot covers AI voice clone, AI voice chat, AI voice call, and WhatsApp AI chatbot channels. My AI agent real estate deployments use AI phone agent flows to qualify leads 24/7. ❇️ AI Chatbot Developer & Chatbot Development As an AI Chatbot Developer, I build bots for WhatsApp, Telegram, and Web. My chatbot development covers Botpress, Voiceflow, ManyChat, and custom Python backends — GPT chatbot, OpenAI chatbot, and Telegram chatbot solutions. As a chatbot developer and AI bot developer, I integrate GPT-4, ChatGPT, and LLM backends. My AI ml developer and AI software developer background ensures every chatbot development is production-ready. ❇️ LLM Engineering, AI Agent RAG & Advanced RAG As a senior AI LLM Developer, I eliminate hallucinations for enterprise. My AI agent rag and advanced RAG pipelines rely on Pinecone, Weaviate, and Milvus. As a Generative AI Developer, I handle LLM prompt engineering for OpenAI, Anthropic, and Llama. Medical documentation agent AI RAG is a specialist engagement for healthcare clients. ❇️ AI Agent for Sales, CRM & Digital Marketing Automation As an AI Agent architect and AI Backend Developer, I build AI sales agent and business development automation covering HubSpot marketing automation, Zoho marketing automation, digital marketing automation, YouTube automation, and social media marketing automation via API integration Python. My AI agent real estate and AI agent marketing work covers full-funnel automation pipelines. ❇️ Machine Learning, AI Deep Learning & Data Science As a machine learning expert, AI deep learning specialist, and data scientist, I build computer vision models using PyTorch and TensorFlow. My work covers Python data analysis, AI data analytics, Python web scraping, and AI classifier builds. As a Python full stack developer and AI app developer, I handle API integration Python, analytics engines, and AI model training. 🛠️ Tech Stack AI Developer / Python developer / Python full stack developer: Python, FastAPI, Docker, AWS. AI voice developer / AI video developer: ElevenLabs, AI voice VAPI, AI-generated voice-over. AI software developer / AI bot developer / AI ml developer: AI app development, AI builder. Data Scientist: AI data analytics, ML model evaluation, Python web scraping. ❇️ AI SaaS & Full Stack AI As a Full Stack AI SaaS Developer, I build web application development platforms. As a Bubble Developer AI and iOS Developer AI, I cover no-code and mobile AI. As an AI web developer and Bolt AI Developer, I bring speed and depth to every AI SaaS engagement. 🌐 Enterprise · Startup · Deep Tech For Enterprises: Lead AI Developer and machine learning consultant — multi-agent systems for 500k+ users, AI agent real estate pipelines, and AI voice chatbot for enterprise sales. For Startups: AI Chatbot Developer, Python full stack developer, and AI web developer shipping AI Agent, AI phone agent, and AI chatbot fast. For Deep Tech: AI deep learning, AI agent rag, and medical documentation agent AI RAG — every data scientist insight made actionable. 👉 Send me your brief — I'll reply within 2 hours with a free AI strategy session. Last Update: 03/07/2026

  • Chatbot Development
  • JavaScript
  • Machine Learning
  • Natural Language Processing
  • Python
  • AI Agent Development
  • Artificial Intelligence
  • AI Development
  • AI App Development
  • OpenAI API
  • LangChain
  • Node.js
  • API Integration
  • LLM Prompt Engineering
  • AI Chatbot
  • AI Implementation
  • Claude
  • Full-Stack Development
  • Automation
Volodymyr B.

Lviv, Ukraine

$40/hr
5.0
106 jobs

🚀 I help founders and teams move past AI prototypes and ship production-ready AI agents, RAG assistants and chatbots inside real SaaS and MVP products. Top Rated, 100% Job Success, $200K+ earned across 89 projects. As an AI Agent Developer I own the whole build - agent logic, RAG layer, backend, frontend and deployment. One senior engineer, no hand-offs. ⭐ PROVEN RESULTS An AI SaaS product I built now serves 10,000+ users. Lebenswerk.ai - cross-platform AI app (Android, iOS, Azure backend), shipped end to end, 5.0 stars: "highly skilled across the full stack." MVP for a pay-per-message product, 5.0 stars: "thinks outside the box like an actual partner." AI agents, RAG systems and AI SaaS delivered in Healthcare, Real Estate, Fintech and Marketplaces. 🤖 WHAT I BUILD AI agents and agentic systems (LangChain, LangGraph, MCP), AI chatbots and RAG assistants that run in production, not in a demo - wired into your product (WhatsApp, CRM, internal tools) and wrapped in a clean AI SaaS or MVP that holds up under real load. Stack: OpenAI & Anthropic Claude API, LangChain, LangGraph, Pinecone, pgvector, Python (FastAPI), Node.js, React, Next.js, PostgreSQL, AWS, Azure, Vercel. ✅ HOW WE START Book a 30-minute consultation (my last 4 all turned into ongoing projects) or start with a small first milestone. Tell me what you're building and I'll be honest about the best way to ship it.

  • Chatbot Development
  • Machine Learning
  • Natural Language Processing
  • Python
  • AI Agent Development
  • AI Chatbot
  • SaaS Development
  • Large Language Model
  • Retrieval Augmented Generation
  • LangChain
  • OpenAI API
  • Generative AI
  • API Integration
  • Next.js
  • AI App Development
  • Full-Stack Development
  • Artificial Intelligence
  • React
  • Node.js
  • Prompt Engineering

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