Hire the Best Chatbot Developers
in Ukraine

Clients rate our Chatbot developers
Rating is 4.9 out of 5.
4.9/5
Based on 161 client reviews
Andrii Y.

Haysyn, Ukraine

$15/hr
4.0
1 jobs

Hi, I'm a Python Backend & AI Developer focused on building clean, efficient backend systems, scalable automation, and intelligent AI-driven applications. As a Computer Science student, I combine a strong foundational engineering background with hands-on experience in modern technology stacks. Here is what I do best: • AI & Chatbot Development: Building autonomous AI agents and intelligent chatbots with structured data validation. Expert in integrating LLMs (Gemini API, local models via Ollama/Phi-3) and implementing robust system logging. • Web Scraping & Automation: Designing high-performance data extraction pipelines using Scrapy. Capable of handling complex scraping tasks with proxy rotation and structured database storage. • Backend Engineering: Designing fast, reliable RESTful APIs using FastAPI and managing relational databases like PostgreSQL and SQLite with SQLAlchemy. My Technical Stack: - Languages: Python (OOP, Asyncio) - Frameworks: FastAPI, Scrapy - AI & LLM: Gemini API, Ollama (Phi-3), Prompt Engineering, Pydantic, Loguru - Databases & Tools: PostgreSQL, SQLite, SQLAlchemy, Docker, Git/GitHub, Pytest I am highly organized, detail-oriented, and focused on delivering production-ready code that solves real business problems. Let's connect and build something great together!

  • Python
  • AI Agent Development
  • FastAPI
  • PostgreSQL
  • Docker
  • GitHub
  • LLM Prompt Engineering
  • RESTful API
  • Python Asyncio
  • Bot Development
  • SQLite
  • Clean Architecture
  • Artificial Intelligence
  • SQLAlchemy
  • Web Scraping
Dmytro K.

Kharkiv, Ukraine

$35/hr
4.8
52 jobs

💡 I help businesses replace repetitive work with practical automation and business applications. With 3+ years of No-Code experience, I build reliable systems using Airtable, Make, n8n, Zapier, Glide, Softr, and Adalo. I also use AI for chatbots, content creation, intelligent data processing, document analysis, lead qualification, and other business automation tasks. What I can build: 1. No-Code business systems I design No-Code solutions for CRM, operations, sales, customer service, and internal management. A No-Code system can combine 1 database, several interfaces, and multiple automated workflows without unnecessary custom development. 2. Airtable databases and CRM systems I build Airtable bases with linked tables, forms, interfaces, permissions, and reporting. A typical Airtable system may include 5–20 connected tables and 3–10 automated business processes. 3. Make workflow automation I create Make scenarios for lead routing, data synchronization, document generation, notifications, payments, AI for chatbots, and API integrations. One Make scenario can connect 2–10+ applications and process dozens or hundreds of records automatically. 4. n8n workflow automation I use n8n for webhooks, API requests, data transformation, branching logic, and self-hosted workflows. An n8n workflow may contain 5–30 nodes, multiple routes, and 2+ connected services. 5. Zapier integrations I configure Zapier for sales, marketing, support, and administrative processes. A Zapier workflow can connect 2–15 applications and replace 3–20 repetitive manual actions. 6. Glide applications I build Glide apps for inventory, booking, field teams, order management, and internal operations. A Glide application may include 5–30 screens, several user roles, and access for 2–100+ users. 7. Softr portals I create Softr client portals, member areas, directories, dashboards, and internal tools. A Softr project may include 5–25 pages, role-based access, and secure workspaces for 2–500+ users. 8. Adalo mobile apps I develop Adalo applications for service businesses, booking platforms, communities, and MVP products. An Adalo app may include 5–30 screens, 2–5 user roles, payments, notifications, and database-driven workflows. Typical projects: ✔️ A complete No-Code CRM for managing leads, customers, tasks, and sales. ✔️ An Airtable operations system with 10+ linked data sections. ✔️ A Make automation connecting 5 business applications. ✔️ An n8n integration with 3 APIs and multi-step data processing. ✔️ A Zapier workflow automating 10 repetitive actions. ✔️ A Glide internal app for 20+ team members. ✔️ A Softr customer portal with 3 access levels. ✔️ An Adalo MVP with 15+ mobile screens. How I work: I first map the process and select the right No-Code architecture. I then structure the data in Airtable, automate processes with Make, n8n, or Zapier, and build the required interface in Glide, Softr, or Adalo. You receive a tested, documented, and easy-to-manage solution. Whether you need No-Code development, an Airtable CRM, a Make scenario, an n8n workflow, a Zapier integration, a Glide app, a Softr portal, or an Adalo mobile application, I can build a system tailored to your business.

  • Chatbot
  • Marketing Automation
  • Zapier
  • CRM Automation
  • Airtable
  • Make.com
  • Automation
  • System Automation
  • No-Code Website
  • Pipedrive
  • No-Code Development
  • Automated Workflow
  • n8n
  • API
  • Task Automation
  • API Integration
  • Business Process Automation
  • Database
  • Customer Portal
  • CRM Development
Oleksandr T.

Kyiv, Ukraine

$40/hr
5.0
58 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
Ihor Y.

Kyiv, Ukraine

$35/hr
4.0
3 jobs

Building an AI demo is easy. Turning it into a reliable system that works with real data, business rules and existing tools is the difficult part — and that is where I focus. I help businesses automate manual workflows, connect disconnected systems and build production-ready AI products. As an AI Developer and Full-Stack Engineer, I can take a project from process mapping and architecture to implementation, deployment and technical handover. 📩 Send me your current workflow, technical challenge or product idea. I will help define a practical first milestone — even if you do not have a finished specification yet. 🏆 WHY WORK WITH ME? ✅ End-to-end ownership: discovery, architecture, development, integrations, deployment and documentation. ✅ Controlled AI systems: approved knowledge sources, explicit boundaries, auditability and human escalation. ✅ Business-first automation: I start with the workflow and expected outcome, not with a fashionable tool. ✅ Production-ready engineering: validation, error handling, access controls, tests, CI/CD and monitoring considerations. ✅ Clear delivery: written scope, visible progress and maintainable code your team can continue operating. 🤖 AI AGENTS, RAG & KNOWLEDGE ASSISTANTS I build AI assistants that work with your company’s approved documents, product information and internal knowledge. This includes: • RAG pipelines and searchable knowledge bases• AI support and product assistants• Source-grounded responses• Conversation flows and clarification logic• Guardrails for sensitive or unsupported requests• Human handoff with conversation context• Knowledge versioning and review workflows• Integration with websites, internal systems and messaging platforms One recent project involved an AI consultant for a vitamin catalogue. The assistant retrieves information from controlled product materials, explains products within approved boundaries and transfers medical or uncertain questions to a human specialist. The goal is not to make AI sound confident. The goal is to make its behaviour useful, inspectable and safe for the real business process. ⚙️ BUSINESS AUTOMATION & API INTEGRATIONS I design controlled workflows that connect websites, advertising channels, email, messengers, internal tools and CRM systems. A typical lead automation flow can include: • Lead capture and source attribution• Input validation and duplicate detection• AI-assisted summaries and classification• CRM routing and ownership assignment• Telegram, email or internal notifications• Follow-up tracking and escalation• Error logs, retries and operational visibility Instead of adding another disconnected tool, I build one transparent route from the incoming request to the responsible person and the next action. 🧠 DATA, MARKET & DECISION-SUPPORT SYSTEMS I also develop systems that collect external data, normalize it and evaluate scenarios through explicit rules. For an anonymized prediction-market project, I worked on a pipeline that: • collected and normalized market and external data;• compared market signals with scenario estimates;• applied validation, risk limits and stop conditions;• recorded accepted and rejected scenarios for later review. These systems are designed around traceability and controlled execution. I do not promise guaranteed trading or financial outcomes. 💻 FULL-STACK WEB DEVELOPMENT I build internal tools, customer portals, SaaS products, dashboards and custom web applications. My typical stack includes: • TypeScript and Node.js• React and Astro• NestJS and REST APIs• PostgreSQL and structured data validation• Docker• GitHub Actions and CI/CD• Vercel and production deployment• Third-party APIs, CRM and messaging integrations I select the architecture around the workflow, expected load and operating constraints instead of forcing every project into the same stack. 🚀 DEVOPS, CI/CD & DELIVERY WORKFLOWS Reliable delivery is part of the product. For an anonymized marketing operations project, I helped create a shared delivery structure across multiple departments, including reusable CI/CD workflows, environment separation, access rules, release checks and documented recovery procedures. The result was a repeatable release process with clearer ownership, shared technical context and less dependence on informal knowledge. 🛠️ WHAT I CAN BUILD FOR YOU • Custom AI agents and RAG assistants• AI customer support and product consultants• Business process and lead workflow automation• CRM, API and messenger integrations• Internal tools and administration panels• Customer portals and custom SaaS products• Data collection and decision-support pipelines• Telegram bots and notification systems• CI/CD pipelines and deployment workflows• MVPs and production-ready web applications

  • Chatbot Development
  • Machine Learning
  • Natural Language Generation
  • Python
  • Artificial Intelligence
  • AI Agent Development
  • AI Development
  • AI App Development
  • LLM Prompt
  • AI Chatbot
  • OpenAI API
  • LangChain
  • API Integration
  • AI Implementation
  • Claude
  • AI Content Creation
  • AI Builder
Roman P.

Lviv, Ukraine

$40/hr
5.0
5 jobs

𝗦𝗼𝗺𝗲𝘄𝗵𝗲𝗿𝗲 𝗶𝗻 𝗲𝘃𝗲𝗿𝘆 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀 𝘁𝗵𝗲𝗿𝗲’𝘀 𝗮 𝘄𝗼𝗿𝗸𝗳𝗹𝗼𝘄 𝗯𝗲𝗴𝗴𝗶𝗻𝗴 𝘁𝗼 𝗯𝗲 𝗮𝘂𝘁𝗼𝗺𝗮𝘁𝗲𝗱 ⭐️ 7+ years in Software Engineering & Python Development 🧩 35+ AI Agent projects · 25+ AI Chatbots · 20+ AI Automation systems 🚀 15+ RAG systems · 10+ Voice AI systems 📌 Built for production, not just a good demo I’m an AI Developer, AI Engineer, Python Developer and Full Stack Developer with 7+ years across Software Engineering, Python Development, Machine Learning, Data Science and Full Stack Development. 🏆 AI RESULTS • 35+ AI Agent Development projects across Customer Service, AI Lead Generation, Fintech, HR, Property Management and SaaS • 25+ AI Chatbot Development projects for web, WhatsApp, Telegram, SaaS onboarding and technical support • 20+ AI Automation and Workflow Automation systems with n8n, Make, Zapier and API Integration, reducing manual work by 55%+ • 15+ RAG and Enterprise RAG systems for Legal, Healthcare, Finance, Compliance, Technical Support and Enterprise Knowledge Bases • 35%+ higher RAG accuracy through Semantic Search, Source Citations, Retrieval Optimisation, reranking and better context handling • 10+ Voice AI Agent and AI Receptionist systems for Customer Service, scheduling, lead qualification and phone automation • 40%+ faster lead qualification through AI Sales Agent, CRM Automation, outreach workflows and AI Lead Generation • AI and Document AI workflows for OCR, Data Extraction, Document Processing, compliance review, claims, contracts and financial documents • Full Stack AI applications built with Python, FastAPI, React, Next.js and TypeScript, covering Full Stack Development, API Integration and cloud deployment 🛠️ WHAT I BUILD ✅ AI AGENT DEVELOPMENT & AGENTIC AI As an AI Developer, AI Engineer and AI Agent Developer, I build Agentic AI systems with Tool Calling, Memory, Planning, Decision-Making, Structured Output and Human-in-the-Loop approval. My work covers AI Agent Development, AI Agent Automation, AI Agent RAG, Multi-Agent Systems, LangGraph, LangChain, MCP and Long-Term Memory. ✅ AI AUTOMATION & WORKFLOW AUTOMATION As an AI Developer, AI Automation Engineer and Python Developer, I build Python Automation, n8n Automation, Make Automation, Zapier Automation, CRM Automation, Email Automation and Business Process Automation. I connect OpenAI, Claude, Gemini, HubSpot, Salesforce and GoHighLevel through API Development, API Integration, REST APIs, webhooks and OAuth for AI Lead Generation, Business Development, Sales Agent and Customer Service workflows. ✅ AI CHATBOT, VOICE AI & CONVERSATIONAL AI As an AI Developer, AI Chatbot Developer, OpenAI Developer and Conversational AI Developer, I build OpenAI Chatbot, GPT-3, WhatsApp Chatbot, RAG Chatbot, Voiceflow Chatbot, Rasa Chatbot, Botpress and Chatbot SaaS solutions. I also build Voice AI Agent and AI Receptionist systems with Retell AI, Vapi, Twilio, ElevenLabs and Deepgram. ✅ LLM ENGINEERING, RAG & DOCUMENT AI As an AI Developer, LLM Engineer and RAG Developer, I build LLM RAG, Enterprise RAG, RAG Assistant, Document Q&A and Enterprise Knowledge Base systems using Vector Databases and Semantic Search. My work includes Prompt Tuning, Context Engineering, Hallucination Reduction, Knowledge Graphs, Document AI, OCR, Data Extraction and AI Model Integration with LangChain, LangGraph, LlamaIndex, Pinecone, Weaviate, Qdrant and pgvector. ✅ PYTHON, FULL STACK, REACT & NEXT.JS DEVELOPMENT As an AI Developer, Python Developer, Python Full Stack Developer, Full Stack Developer and React Developer, I build AI backends, Python Bots and web applications with Python, FastAPI, React, Next.js, Node.js, JavaScript, TypeScript, PHP, SQL, HTML, CSS, CSS3, jQuery and Angular. My work covers Full Stack Developer React, Full Stack Developer AI, React Full Stack Developer AI, Full Stack Developer LLM, Full Stack Developer Next.js, React Development, React TypeScript, Next.js TypeScript, Python Full Stack, Python JavaScript and Web Developer Python. ✅ MACHINE LEARNING, DATA SCIENCE & SOFTWARE ARCHITECTURE As an AI Developer, Machine Learning Engineer, Data Scientist and AI Data Engineer, I work with Data Analysis, Supervised Learning, Unsupervised Learning, Natural Language Processing, Python Scikit-Learn, Deep Learning, Computer Vision, Artificial Neural Network, Neural Network, TensorFlow and PyTorch. I also handle Software Architecture & Design, Git, Docker, Amazon Web Services, AWS and Azure, including Python Developer AWS, AI Model Integration, testing and deployment. Clients hire me as an AI Developer, AI Engineer, Python Developer and Full Stack Developer because I handle both the intelligence layer and the software behind it: AI architecture, Python backends, React applications, APIs, automation, databases, integrations and deployment. 👉🏻 Send your brief. I’ll reply within 2 hours with a free action plan.

  • JavaScript
  • Machine Learning
  • Natural Language Processing
  • Python
  • Artificial Intelligence
  • Node.js
  • PHP
  • Computer Vision
  • Software Architecture & Design
  • Data Science
  • Deep Learning
  • Amazon Web Services
  • Git
  • React
  • Artificial Neural Network
  • SQL
  • Data Analysis
  • PyTorch
  • HTML
  • CSS
Igor B.

Kharkiv, Ukraine

$20/hr
4.9
30 jobs

MVP in under a month — not the usual 3-6. I'm a Bubble Developer and Full Stack Developer with 12+ years building products people actually use, from SaaS platforms to AI tools and marketplaces. ✨ A few highlights • 12 + years as a Full Stack Developer and 9+ years as a Bubble Developer • 150+ Bubble applications delivered • 60+ AI-powered products built • 80% of startup MVPs continued to secure investment after launch 🛠️ What I build as a Bubble Full Stack Developer 💻 Bubble Development • SaaS platforms • Startup MVPs • Two-sided marketplaces • CRM & ERP systems • Client portals • Dashboards • Internal business tools • Responsive Bubble applications • Database architecture & scalable workflows • API integrations & backend logic 🤖 AI Development • OpenAI, Claude & Gemini integrations • AI agents • RAG systems • AI chatbots • Document processing • AI-powered business automation ⚡ Automation & Integrations • n8n, Make & Zapier • Stripe • Twilio • Airtable • REST APIs • Google, Meta & third-party integrations • End-to-end workflow automation 🌍 Why clients choose me ✨ Bubble Full Stack Developer with strong technical foundations—not just a no-code builder. ✨ I build clean, scalable Bubble architectures that are easy to maintain. ✨ Fast communication, transparent delivery, and long-term support. ✨ Focused on building products that are reliable, scalable, and ready for growth. 🚀 Whether you need a Bubble Developer to build an MVP, a Bubble Full Stack Developer to scale an existing platform, or someone to integrate AI and automation into your product, I’d love to help bring your idea to life.

  • JavaScript
  • Bubble.io
  • Web Development
  • Full-Stack Development
  • Web Application
  • Web Design
  • No-Code Development
  • API Integration
  • AI App Development
  • SaaS Development
  • API
  • HTML5
  • PHP
  • Stripe
  • Database Design
  • CSS
  • Mobile App Development
  • Android App Development
  • React
  • Next.js

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