You will get AI Developer OpenAI API Claude API and AI Model Integration
Rising Talent
Project details
āšššš¢š„š ššØš¬šš”š š§ššš¦ š£š„š¢šššš§ š£šššš¦š š šš¦š¦ššš š š āI will review your product, current tech stack, AI Model requirements, data, APIs, expected outputs, security and deployment needs.
I will integrate OpenAI API, Claude API, Gemini or another AI Model into your website, SaaS product, backend or business workflow. As an AI Developer and AI Engineer, I build AI Agent, AI Chatbot, RAG, AI Assistant, structured output, tool calling, Prompt Engineering and Workflow Automation solutions using Python, FastAPI, LangGraph, LangChain, MCP and Vector Databases.
šš„šš¦šØšš§š¦ šāš©š ššššš©šš„šš:
ā 35+ AI Agent Development projects delivered using OpenAI, Claude and custom APIs
ā 25+ AI Chatbot Development projects launched across websites and SaaS
ā 20+ AI Automation workflows built with n8n, Make and Zapier, cutting manual work by 55%+
ā 15+ RAG systems developed with 35%+ higher response accuracy
ā Production-Ready, Scalable and Secure AI Systems delivered for Long-Term use
I will integrate OpenAI API, Claude API, Gemini or another AI Model into your website, SaaS product, backend or business workflow. As an AI Developer and AI Engineer, I build AI Agent, AI Chatbot, RAG, AI Assistant, structured output, tool calling, Prompt Engineering and Workflow Automation solutions using Python, FastAPI, LangGraph, LangChain, MCP and Vector Databases.
šš„šš¦šØšš§š¦ šāš©š ššššš©šš„šš:
ā 35+ AI Agent Development projects delivered using OpenAI, Claude and custom APIs
ā 25+ AI Chatbot Development projects launched across websites and SaaS
ā 20+ AI Automation workflows built with n8n, Make and Zapier, cutting manual work by 55%+
ā 15+ RAG systems developed with 35%+ higher response accuracy
ā Production-Ready, Scalable and Secure AI Systems delivered for Long-Term use
AI Algorithms
Convolutional Neural Network, Deep Belief Network, Large Language Model, Linear Discriminant Analysis, Long Short-Term Memory Network, Multilayer Perceptron, Multimodal Large Language Model, Radial Basis Function Network, Recurrent Neural Network, Transformer ModelAI Applications
AI Chatbot, AI Content Creation, AI Mobile App Development, AI Text-to-Image, AI Text-to-Speech, AI-Generated Code, Conversational AI, Machine Translation, Natural Language Generation, Natural Language Understanding, Sentiment Analysis, Synthetic Data GenerationAI Development Language
PythonAI Tools
Azure OpenAI, Copy.ai, Gradio, Hugging Face, Microsoft 365 Copilot, Microsoft CNTK, PyTorch, Replit, Streamlit, TensorFlowAI Models
BERT, ChatGPT, DALL-E, GPT-3, GPT-4, GPT-J, GPT-Neo, Jurassic-2, LLaMA, Midjourney AI, OpenAI Codex, WhisperWhat's included
| Service Tiers |
Starter
$44
|
Standard
$9,999
|
Advanced
$19,000
|
|---|---|---|---|
| Delivery Time | 1 day | 31 days | 62 days |
AI Model Integration | |||
Batch Normalization | - | ||
Database Integration | - | ||
Detailed Code Comments | - | ||
Image Upscaling | - | ||
MLOps | - | ||
Model Deployment | - | ||
Model Documentation | - | ||
Model Monitoring | - | ||
Model Testing & Optimization | - | ||
Model Tuning | - | ||
Natural Language Processing | - | ||
NLP Tokenization | - | ||
Pre-Training | - | ||
Prompt Engineering | - | ||
Setup File | - | ||
Source Code | - |
4 reviews
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DN
Denys N.
Aug 17, 2026
AI Developer | AI Agent Engineer | LangGraph, RAG, LLM, MCP & Multi-Agent Systems
Really enjoyed working with Roman! He clearly knows his stuff when it comes to AI and building complex AI systems, and it was easy to trust his decisions throughout the project. Communication was always quick and straightforward, and the whole process went really smoothly. Iād be happy to work with him again.
YT
Yaroslav T.
Aug 13, 2026
AI Developer & AI Automation Engineer | AI Agents, n8n, Make, API Integration
Really enjoyed working with Roman. He took the time to understand how our current processes work and put together a very detailed and practical implementation plan for us.
I also liked that he was realistic about where AI would actually be useful and where a simpler automation would make more sense. It made the whole plan feel much more practical and easier to follow.
Communication was easy, the work was thoughtful and well structured, and the final result gave us much more clarity on the next steps. Weāll definitely come back to Roman to continue the implementation.
I also liked that he was realistic about where AI would actually be useful and where a simpler automation would make more sense. It made the whole plan feel much more practical and easier to follow.
Communication was easy, the work was thoughtful and well structured, and the final result gave us much more clarity on the next steps. Weāll definitely come back to Roman to continue the implementation.
DN
Denys N.
Aug 9, 2026
30 minute consultation
Working with Roman was a great experience. He has strong knowledge of AI and helped me choose the right solution for my project ā he explained the options, the possible risks, and the next steps in very simple words. Very happy with the result and I will definitely work with him again!
EF
Etienne F.
Aug 4, 2026
Expert RAG Developer (OCR, Fine-Tuning, White-Label Front-End) ā End-to-End Project
Roman and Danys did an excellent job developing a RAG solution for law firms, within a project that came with many technical constraints and evolving requirements.
There were several last-minute changes, and my end client was particularly demanding, detail-oriented, and attentive to technical subtleties. Roman and Danys handled these challenges very well, adapting quickly while maintaining a high level of quality.
What I especially appreciated was their ability to communicate complex technical nuances clearly and effectively. They were responsive, professional, and reliable throughout the project.
Iām very satisfied with the collaboration and would gladly work with them again.
There were several last-minute changes, and my end client was particularly demanding, detail-oriented, and attentive to technical subtleties. Roman and Danys handled these challenges very well, adapting quickly while maintaining a high level of quality.
What I especially appreciated was their ability to communicate complex technical nuances clearly and effectively. They were responsive, professional, and reliable throughout the project.
Iām very satisfied with the collaboration and would gladly work with them again.
About Roman
AI Developer AI Automation Engineer AI Agent Builder AI LLM Chatbot
100%
Job Success
Lviv, UkraineĀ - 12:49 am local time
āļø 7+ years in Software Engineering & Python Development
š§© 35+ AI Agent projects Ā· 25+ AI Chatbots Ā· 20+ AI Automation systems
š 15+ RAG systems Ā· 10+ Voice AI systems
š Built for production, not just a good demo
Iām 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.
š AI RESULTS
ā¢ 35+ AI Agent Development projects across Customer Service, AI Lead Generation, Fintech, HR, Property Management and SaaS
ā¢ 25+ AI Chatbot Development projects for web, WhatsApp, Telegram, SaaS onboarding and technical support
ā¢ 20+ AI Automation and Workflow Automation systems with n8n, Make, Zapier and API Integration, reducing manual work by 55%+
ā¢ 15+ RAG and Enterprise RAG systems for Legal, Healthcare, Finance, Compliance, Technical Support and Enterprise Knowledge Bases
ā¢ 35%+ higher RAG accuracy through Semantic Search, Source Citations, Retrieval Optimisation, reranking and better context handling
ā¢ 10+ Voice AI Agent and AI Receptionist systems for Customer Service, scheduling, lead qualification and phone automation
ā¢ 40%+ faster lead qualification through AI Sales Agent, CRM Automation, outreach workflows and AI Lead Generation
ā¢ AI and Document AI workflows for OCR, Data Extraction, Document Processing, compliance review, claims, contracts and financial documents
ā¢ Full Stack AI applications built with Python, FastAPI, React, Next.js and TypeScript, covering Full Stack Development, API Integration and cloud deployment
š ļø WHAT I BUILD
ā 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.
ā 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.
ā 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.
ā 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.
ā 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.
ā 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.
šš» Send your brief. Iāll reply within 2 hours with a free action plan.
Steps for completing your project
After purchasing the project, send requirements so Roman can start the project.
Delivery time starts when Roman receives requirements from you.
Roman works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery and Scope
I review your goals, workflow, data, integrations and technical requirements.
Architecture and Development
I define the solution architecture and build the agreed AI system.