You will get AI‑Powered System: Automation, RAG and Intelligent Workflows
Rising Talent
Project details
I build intelligent AI systems that automate workflows, enhance decision‑making, and create smarter user experiences. My solutions combine modern machine learning techniques with clean architecture, scalable backend engineering, and seamless product integration.
This project is ideal for founders, product teams, and companies who want to add AI capabilities to their existing product or build a new AI‑driven system from scratch. I focus on practical, high‑value AI features: RAG systems, semantic search, automation agents, recommendation engines, and custom NLP/CV pipelines.
You receive a system that is stable, scalable, and ready for production - not just a prototype. Every deliverable is built with clarity, reliability, and long‑term maintainability in mind.
This project is ideal for founders, product teams, and companies who want to add AI capabilities to their existing product or build a new AI‑driven system from scratch. I focus on practical, high‑value AI features: RAG systems, semantic search, automation agents, recommendation engines, and custom NLP/CV pipelines.
You receive a system that is stable, scalable, and ready for production - not just a prototype. Every deliverable is built with clarity, reliability, and long‑term maintainability in mind.
AI Development Type
Deep Learning, Knowledge RepresentationAI Tools
Azure Machine Learning, MLflow, PyTorch, TensorFlowAI Development Language
PythonWhat's included
| Service Tiers |
Starter
$2,000
|
Standard
$5,000
|
Advanced
$10,000
|
|---|---|---|---|
| Delivery Time | 10 days | 20 days | 30 days |
AI Model Integration | - | - | - |
Detailed Code Comments | - | - | - |
Knowledge Graph | - | - | - |
Model Documentation | - | - | - |
Ontology | - | - | - |
Source Code | - | - | - |
Taxonomy | - | - | - |
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ID
Ivans D.
Jul 31, 2026
Implement Booking Flow + Mobile/Web Interfaces + Basic AI Feature
Roman and his team handled the project quickly and professionally, delivering both the mobile app interface and the web booking flow. The React Native screens and the Vue.js web version were smooth, clean, and easy to use. They implemented the backend API with FastAPI, including auth and full CRUD, without any issues. The lightweight AI feature worked perfectly and added real value to the booking process. Overall, Roman’s team showed strong expertise in mobile development, web development, and AI‑powered app features.
NN
Natallia N.
Jul 20, 2026
MVP Mobile & Web Dashboard with AI Feature
Roman did an excellent job delivering our MVP that combined a mobile app, a web dashboard, a FastAPI backend, and an AI feature. He set up the React Native app with clean authentication flows, built a lightweight admin panel in React, and implemented a reliable API layer with proper data models and security. The AI integration (OpenAI‑based text summarization) worked smoothly from day one, and the whole system was deployed using Docker with a clear, well‑structured setup guide.
About Roman
AI Developer | LLM, RAG, AI Agents | Python, FastAPI, LangChain
100%
Job Success
Oral, Kazakhstan - 5:08 pm local time
I build AI-powered products, scalable web platforms, and high-performance mobile applications - from MVP to production.
My core focus is RAG development, AI integration, full-stack web development, and mobile app development. I help startups and businesses turn complex product ideas into reliable systems with clean architecture, smooth UX, secure APIs, and scalable backend infrastructure.
I work across the full product stack - React, Next.js, Node.js, Python, Django, FastAPI, PHP/Laravel, React Native, Flutter, Swift, and Kotlin - and integrate modern Artificial Intelligence and Machine Learning capabilities where they create real business value.
This includes RAG systems, AI chatbots, semantic search, AI agents, workflow automation, recommendation systems, LLM integrations, and custom AI-powered SaaS products.
💼 What I Can Build
RAG & Generative AI Systems - Retrieval-Augmented Generation, LLM applications, embeddings, vector databases, semantic search, document processing, reranking, knowledge assistants
AI Chatbot Development - intelligent assistants, customer support bots, internal knowledge bots, conversational AI, context-aware chat systems
AI Integration - OpenAI, Claude and other AI models integrated into existing web, mobile, SaaS, CRM, ERP, or WordPress systems
API & AI Model Integration - REST APIs, third-party services, AI APIs, payment systems, CRM integrations, automation workflows
Web Development - React, Next.js, Vue, Nuxt, JavaScript, TypeScript, dashboards, admin panels, customer portals, SaaS platforms, PWA, SSR
Backend Development - Python, Django, FastAPI, Node.js, PHP, Laravel, PostgreSQL, Redis, queues, microservices, WebSockets, real-time systems
Mobile App Development - iOS, Android, React Native, Flutter, Swift, Kotlin, offline mode, push notifications, native modules, App Store and Google Play releases
Complex SaaS Platforms - multi-tenant systems, CRM/ERP solutions, booking platforms, marketplaces, loyalty applications, subscription products
🤖 AI / RAG Expertise
I develop AI solutions that go beyond simply connecting an API. For RAG and AI-powered applications, I can handle the full pipeline:
data ingestion → document processing → chunking → embeddings → vector search → reranking → LLM generation → API integration → production deployment
Typical solutions include:
RAG-powered knowledge assistants
AI chatbots connected to private company data
PDF and document Q&A systems
Semantic search engines
AI agents and workflow automation
Intelligent recommendation systems
AI-powered CRM and SaaS functionality
Internal company knowledge bases
AI model integrations into existing products
🛠 Tech Stack
AI / Machine Learning:
Python, RAG, LLM, OpenAI API, Claude API, Machine Learning, NLP, Computer Vision, embeddings, vector databases, semantic search, AI agents
Frontend / Web:
React, Next.js, Vue.js, Nuxt, JavaScript, TypeScript, HTML, CSS
Backend:
Python, Django, FastAPI, Node.js, PHP, Laravel, REST API, PostgreSQL, Redis, RabbitMQ
Mobile:
React Native, Flutter, Swift, Kotlin, iOS, Android
Infrastructure:
Docker, CI/CD, Nginx, Traefik, AWS, cloud deployment, scalable backend architecture
Why Clients Work With Me
I focus on building systems that are not only functional today, but also maintainable as the product grows.
That means:
clean and scalable architecture
clear communication and predictable delivery
production-ready code
strong API and backend design
performance and security in mind from the beginning
practical AI integration instead of AI for the sake of AI
product thinking alongside engineering
Whether you need a RAG Engineer, AI Developer, AI Integration Engineer, Python Developer, Full-Stack Developer, React/Node.js Developer, Web Developer, or Mobile App Developer, I can help you define the technical approach and build the product from MVP to production.
If you have an idea or an existing system that needs improvement, send me the project details. I can help outline the architecture, MVP scope, timeline, technology stack, and development approach before we start.
Updated - August 26
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.
Initial Consultation
We discuss your goals, use cases, and technical constraints.
AI Architecture & Plan
I prepare a clear technical outline, data flow, and system design.