AI chatbot and RAG developer. 6 projects delivered, 5 five-star reviews. Live demo: prime-care-sit.vercel.app , RAG chatbot trained on business documents with lead capture and admin panel. Built with OpenAI API, LangChain, Pinecone, Supabase pgvector. Next.js, FastAPI, React. 100% Job Success, Top Rated. Here's what my clients say: "Shiza did an excellent job. She is quick and smart with her work. Lightning speed work. Highly impressed and recommended." "She is reliable, fast, and understands business logic well. She doesn't just code but thinks through practical use cases and suggests better workflows." "Shiza is an outstanding professional with exceptional technical skill and excellent communication. She delivered the work to the highest possible standard." WHAT I BUILD AI Chatbots & RAG Systems Chatbots trained on your business data using RAG (retrieval augmented generation). Upload documents, the AI answers only from your content. Lead capture, intent detection, embeddable widgets. Built with OpenAI API, LangChain, Pinecone, and Supabase pgvector. Document Processing & Data Extraction PDF parsing, OCR, invoice processing, structured data output from messy inputs. Built an AI invoice management system that processes PDFs and automates reconciliation for a real business. Full-Stack Web Applications React/Next.js frontend, FastAPI or NestJS backend, PostgreSQL/Firebase/Supabase database. Authentication, dashboards, admin panels, role-based access. Clean architecture that other developers can extend. RECENT PROJECTS RAG AI Chatbot + Lead Capture (5-star review) Embeddable chatbot widget trained on business documents. Lead capture with buying-intent detection, email notifications with conversation context, admin panel for managing docs and viewing leads. Live at prime-care-sit.vercel.app AI Chatbot with OpenAI and Flowise (5-star review) Custom AI chatbot for a client's website. Trained on business content, responsive design, integrated with existing systems. AI Invoice Management System Processes PDF invoices, extracts structured data, automates reconciliation, generates business reports. FastAPI backend, Next.js frontend. AI Inventory Chatbot Natural language queries against a database. Users ask "show me low stock items" and get structured answers. Dynamic SQL generation with LangChain. Built both web (React) and mobile (Flutter) versions. RAG Pipeline for LMS Document ingestion, text chunking, OpenAI embeddings, Pinecone vector storage for semantic search across large document sets. TECH STACK Frontend: React, Next.js, Tailwind CSS Backend: Python (FastAPI, Django), Node.js, NestJS AI/LLM: OpenAI API, LangChain, RAG pipelines Vector DB: Pinecone, Supabase pgvector, ChromaDB Database: PostgreSQL, Firebase, Supabase Mobile: Flutter (iOS + Android) DevOps: Docker, AWS, Vercel BS in Artificial Intelligence, National University of Modern Languages.

Python Developer specializing in FastAPI, Django, Flask & AI/ML solutions ⭐ Top Rated Plus – Ranked in the Top 1% of Lead Python developers on Upwork ✅ 14+ Years of Senior Python Excellence | 13,000+ Hours Delivered I personally handle all development and client communication, ensuring high-quality, scalable, and secure applications without outsourcing. From MVPs to enterprise SaaS platforms, I transform complex requirements into production-ready systems. I’ve been working with Django (since v0.3), Python (v2.3+), FastAPI, Flask, and React. I specialize in building intelligent systems with AI/ML, NLP, and LLMs. Since 2019, I’ve been leading cross-functional teams globally, while also working individually with clients to deliver clean, scalable solutions. Most of my work has been on production systems already serving real users, where I acted as the technical owner, not just an implementer. 𝗔𝗰𝗵𝗶𝗲𝘃𝗲𝗺𝗲𝗻𝘁𝘀: Contributed to Open edx: Enhanced the global open-source learning platform with Python/Django. KredX Financial Platform: Built APIs & real-time analytics with FastAPI for high-volume transactions. The Entertainer (Python + React): Delivered large-scale consumer app supporting millions of users. Moeving Mobility Platform: Designed scalable Python microservices for real-time fleet management. MTailor: Automated ML pipelines for computer vision body measurements. Surmount.AI: Built AI-powered legal assistant using Django + FastAPI + LLMs. Deflection.AI: Customer support system with Python APIs + vector similarity + NLP. I help startups and enterprises turn ideas into production-ready software. From rapid MVPs to AI-powered platforms, I combine deep technical expertise with hands-on leadership, guiding global cross-functional teams to deliver results on time and at scale. I am a CTO-level Senior Python Developer to lead the technical direction and hands-on development of a scalable, cloud-native platform built on Python and AWS 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: Backend & APIs: Python (FastAPI, Django, Flask), REST, GraphQL, async programming, microservices Databases: PostgreSQL, MySQL, MongoDB, Redis (optimized schemas, queries, and data modeling) AI/ML & Data: LLMs (OpenAI GPT, Whisper), NLP pipelines, TensorFlow, PyTorch, Pandas, NumPy Cloud & DevOps: AWS (Lambda, ECS, RDS, S3), GCP, Azure, Docker, Kubernetes, CI/CD automation Full Stack Collaboration: React, Next.js, Vue.js with secure, Python-driven backends 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿: ✔️ Scalable REST/GraphQL APIs & microservices ✔️ Data pipelines & AI/ML-powered systems ✔️ Cloud-native architectures (AWS/GCP/Azure) ✔️ Secure, tested, and future-proof code (CI/CD) ✔️ MVP-to-enterprise scaling with clear communication 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: Python Developer | Django Expert | FastAPI Developer | Flask Developer | Backend Engineer | API Development | AI/ML Engineer | Chatbot Developer | NLP Specialist | React Developer | SaaS Architecture | Cloud & DevOps | Docker | AWS | Data Pipelines | LLMs | TensorFlow | PyTorch | Web Scraping

I build production-grade web applications end-to-end: scalable Python backends with Django and FastAPI, modern React and Next.js frontends, AWS cloud infrastructure, and AI-powered features that work in real production environments - not just demos. 100% Job Success Score. Top Rated Plus. $50K+ earned. 1,994 hours logged. 34 completed jobs. 6+ years building web applications. My longest Upwork client relationship runs 19+ months and counting on a Django ecommerce platform - that is what happens when code is built to last, not just to ship. WHAT CLIENTS HIRE ME FOR : - A SaaS product that needs to scale past MVP into something stable - A backend that needs Django or FastAPI expertise, not a generalist guess - AI features that need to actually work - OpenAI integration, automation, intelligent recommendations - A React or Next.js frontend that connects cleanly to a real backend - Data pipelines, web scraping, or automation that needs to run reliably - AWS deployment done properly - EC2, S3, Lambda, RDS, CI/CD WHAT I HAVE BUILT - REAL PROJECTS : Multi-Tenant SaaS Platform: Built with Python, Django, FastAPI, and React. Multi-tenant architecture supporting multiple client organizations on shared infrastructure. AI Coaching Platform: Python, Django, OpenAI integration, and Celery for background task processing. AI-powered coaching logic running on production infrastructure, not a prototype. Location-Based Food Platform: GeoDjango and PostGIS for geospatial data, deployed on AWS. Real-time location-based matching and routing. Django Ecommerce Backend: Ongoing client relationship since September 2024 (19+ months), 279+ hours logged. Continuous feature development and platform maintenance. Call Tracking and Analytics System: Webhook-based backend for call tracking, analytics, and agent callback routing in real time. TECH STACK : Backend: Python, Django, FastAPI, Flask, Celery, Django REST Framework Frontend: React, Next.js, TypeScript, TailwindCSS Databases: PostgreSQL, MongoDB, Redis, GeoDjango/PostGIS Cloud and DevOps: AWS (EC2, S3, Lambda, RDS), Docker, GitHub Actions, CI/CD AI and Automation: OpenAI API, LangChain, AI Agents, Web Scraping (Selenium, Playwright) Integrations: Stripe, PayPal, Twilio, SendGrid, OAuth, JWT Authentication, Webhooks HOW I WORK : I write clean, well-documented code that the next developer can actually understand. I communicate progress clearly instead of disappearing until delivery. I test before I ship. Fluent in English, available across time zones, and I respond within a few hours. Building a SaaS product, need a Python backend that scales, or want AI features that actually work - send me your project details. Keywords: Full Stack Python Developer, Python Developer, Backend Developer, Django Developer, FastAPI Developer, Flask Developer, React Developer, Next.js Developer, TypeScript Developer, AWS Developer, AWS Lambda, Amazon API Gateway, REST API Development, GraphQL Developer, Django REST Framework, API Integration, Third Party API Integration, JWT Authentication, OAuth Integration, Stripe Integration, PayPal Integration, Webhook Integration, AI Integration, OpenAI API Integration, AI SaaS Development, LangChain Developer, AI Agent Development, RAG Development, LLM Integration, SaaS Development, SaaS Platform, Multi-tenant SaaS, B2B SaaS, MVP Development, Custom Web App, Web Application Development, PostgreSQL Developer, PostgreSQL Optimization, MongoDB Developer, Redis Caching, Database Design, Database Optimization, Docker Deployment, Docker Containerization, CI/CD Pipeline, GitHub Actions, Celery Task Queue, Background Job Processing, Async Python, Web Scraping, Data Scraping, Selenium Automation, Playwright Scraping, Data Automation, Data Pipeline, Microservices, Microservices Architecture, Scalable Backend, Payment Integration, GeoDjango, PostGIS, AWS Solutions Architect, Database Migration

Looking for a developer who can build scalable web applications, SaaS products, cloud-native platforms, and AI-powered solutions? I am a Lead Full Stack Developer helping startups, agencies, and enterprises turn ideas into reliable, production-ready software. My expertise spans backend development, frontend engineering, cloud infrastructure, API integrations, automation, and modern AI technologies. I specialize in building secure, scalable, and high-performance applications using Python, FastAPI, Django, React, AWS, and modern development practices. Whether you need a SaaS platform, custom business application, workflow automation, AI integration, or cloud deployment, I can help bring your vision to life. CORE EXPERTISE Backend Development - Python - Django - FastAPI - Flask - Node - Express/Nest.js - REST APIs - GraphQL - Microservices Architecture - Event-Driven Systems - Celery - Async Programming - Background Processing - SQLAlchemy Frontend Development - React.js - Next.js - TypeScript - JavaScript (ES6+) - Redux - HTML5 - CSS3 - Tailwind CSS - Material UI - Responsive Design AI Integrations & Automation - OpenAI API Integration - ChatGPT Integration - Claude API Integration - Gemini API Integration - AI Chatbots - AI Assistants - RAG (Retrieval-Augmented Generation) - AI Agents - Agentic Workflows - LangChain - LangGraph - Vector Databases - Semantic Search - Prompt Engineering - Knowledge Base Systems - Document Processing - Workflow Automation - Business Process Automation Cloud & DevOps - AWS - Azure - Google Cloud Platform (GCP) - Docker - Kubernetes - CI/CD Pipelines - GitHub Actions - Jenkins - Terraform - Infrastructure as Code (IaC) - Nginx - Linux Administration - Serverless Architecture - Monitoring & Logging Databases - PostgreSQL - MySQL - MongoDB - Redis - DynamoDB - Firebase - SQL Server - SQLite API & Third-Party Integrations - Stripe - PayPal - Twilio - SendGrid - HubSpot - Salesforce - Shopify - Slack - QuickBooks - Google APIs - Microsoft APIs - CRM Integrations - ERP Integrations - Payment Gateway Integrations - Social Media APIs Data Engineering & Automation - Web Scraping - Scrapy - Selenium - ETL Pipelines - Data Processing - Data Migration - Data Analytics - Reporting Systems - Business Intelligence Solutions INDUSTRIES SERVED - SaaS - FinTech - Healthcare - E-Commerce - Logistics - Education - Real Estate - Manufacturing - Marketing Technology - Recruitment Technology - Insurance - Enterprise Software WHAT I BRING TO YOUR PROJECT - End-to-end product development from idea to deployment - Scalable backend architecture and API development - Modern React-based frontend applications - AI-powered features, assistants, and automation - Cloud infrastructure setup and optimization - Clean, maintainable, and production-ready code - Strong communication and transparent collaboration - Long-term support and continuous improvements TECHNOLOGIES & TOOLS 1. Languages: Python, JavaScript, TypeScript, SQL 2. Backend: Django, FastAPI, Flask, Celery, SQLAlchemy 3. Frontend: React, Next.js, Redux, Tailwind CSS 4. AI & Automation: OpenAI, Claude, Gemini, LangChain, LangGraph, RAG, AI Agents 5. Cloud: AWS, Azure, GCP 6. Databases: PostgreSQL, MySQL, MongoDB, Redis, DynamoDB 7. DevOps: Docker, Kubernetes, Terraform, GitHub Actions, Jenkins 8. Project Management: Jira, Trello, Agile, Scrum, GitHub, Bitbucket If you're looking for a reliable developer who can build, scale, and maintain modern software products while integrating the latest AI capabilities, I'd be happy to discuss your project.

✅ Python & FastAPI Specialist, Scalable REST APIs, API Integration, complex SaaS platforms, ERP systems with Next js FrontEnd ✅ AI Integration, AI powered applications, LLM based agents, and automate complex workflows ✅ clean architecture, maintainable code, high performance, scalability, and long-term reliability. I am 4 + years of experienced software Engineer specialized in Python, FastAPI, Langchain, LangGraph, LLM integrations, AI agents, API development, automation, and web scraping. I also expertise in frontend development using React and Next js. 🧠 Tech Stack Languages: Python, Go, SQL, JavaScript Backend: FastAPI,, Flask, Gin, Microservices, REST APIs, WebSockets Frontend: Next Js, React JS AI & LLMs: AI Agents, Agentic AI, RAG, LangChain, LangGraph, OpenAI, Grok, AI Chatbots, AI Integration Databases: PostgreSQL, MySQL, SQLite, MongoDB, Redis Cloud & DevOps: Git, Docker, AWS, CI/CD 🎯 Why Choose Me ✔ I focus on real business outcomes, not just code ✔ I build production-ready AI systems, not demos ✔ Strong experience in automation + APIs + AI combined ✔ Clean architecture, scalable design, and clear communication 🤝 Let’s Work Together If you're looking to: • Build scalable backend systems and high-performance APIs • Develop AI-powered applications with LLMs and intelligent agents • Automate business processes and complex workflows • Integrate third-party services and enterprise APIs • Create custom SaaS platforms, ERP solutions, or internal tools • Build reliable, production-ready software with clean architecture 📩 Send me a message or invite—I’ll help you turn your idea into a working system.

𝐓𝐨𝐩 𝐫𝐚𝐭𝐞𝐝 𝐏𝐥𝐮𝐬 𝐏𝐲𝐭𝐡𝐨𝐧 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 𝐰𝐢𝐭𝐡 𝟏𝟎+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 building scalable APIs and backend systems using FastAPI, Django and AWS. I help startups and SaaS companies build reliable, high-performance backend architectures. Many applications fail not because of the idea, but because the backend cannot scale. My focus is to build clean backend systems, REST APIs and database architectures that keep applications fast, secure and stable as they grow. My goal is to create clean backend architecture, stable APIs, and efficient database systems so your product can run smoothly and scale as your business grows. 𝐖𝐡𝐚𝐭 𝐈 𝐂𝐚𝐧 𝐇𝐞𝐥𝐩 𝐘𝐨𝐮 𝐁𝐮𝐢𝐥𝐝 • Python Backend Development for SaaS platforms and web applications • REST API Development using FastAPI, Django REST Framework, and Flask • FastAPI backend systems for high-performance and async applications • Django backend applications with secure authentication and business logic • API integrations with third-party services and external platforms • Automation systems and Python data processing tools • Database design and optimization using PostgreSQL, MongoDB and Redis • Cloud deployment on AWS using Docker and scalable infrastructure 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 𝐈 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 • Python • FastAPI • Django • Flask • REST API Development • PostgreSQL • MongoDB • Redis • Docker • AWS • Celery • WebSockets • Automation • Web Scraping 𝐖𝐡𝐲 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞 • Strong experience in Python backend development • Clean and scalable REST API architecture • Experience building SaaS backend systems • Clear communication and reliable delivery • Focus on performance, security and scalability If you are looking for a Python backend developer to build scalable APIs or reliable backend systems, send me a message and let’s discuss your project. 𝐓𝐡𝐚𝐧𝐤𝐬

Most AI products die in production when latency spikes, integrations break, or pipelines silently fail under real load not because the model is bad. I build production‑ready AI systems and automations: real‑time voice apps, AI SaaS backends, RAG/agent workflows, and operational tooling that keep working after week two under real traffic, real data, and real users. What I build ☑️ Real‑time AI/voice systems: STT → translation → TTS pipelines (Deepgram, OpenAI, ElevenLabs) with WebSockets, streaming, and latency control ☑️ AI SaaS backends: FastAPI/Django services with auth, Stripe billing, usage limits, and admin dashboards ☑️ RAG & agent systems: retrieval pipelines, tools/agents (Claude Code, LangChain, LangGraph), vector DBs, evaluation + monitoring ☑️ Automation & ops: Claude/ChatGPT‑driven workflows, scrapers, n8n/Zapier‑style orchestrations, backend glue between CRMs, APIs, and internal tools Selected work shipped ➡️ AI ordering assistant (text + voice, English + Greek) with FastAPI backend and React frontend deployed via Docker, running live with real users and payments ➡️ Humanized AI text platform with Stripe subscriptions, usage metering, and ChatGPT‑style UI fully deployed on client infra, designed for ongoing content volume ➡️ Sports analytics platform with real‑time data feeds, AI‑driven betting insights, and full subscription/admin system for paying customers How I work ➡️ Start from failure modes: latency, concurrency, integrations, and data quality, not just “it works on my machine” demos ➡️ Design clean, testable backends (FastAPI/Django), strong API contracts, and simple, maintainable frontends (React/Next.js) ➡️ Add logging, monitoring, and retries from day one so you can see and fix issues instead of guessing ➡️ Ship in small, verifiable milestones every week ends with something you can run, break, and validate Core tech stack ☑️ AI: Claude / OpenAI / Gemini, Claude Code, LangChain, LangGraph, RAG, vector DBs (Pinecone, ChromaDB, FAISS) ☑️ Backend: Python, FastAPI, Django, REST APIs, WebSockets, async processing ☑️ Frontend: React, Next.js, TypeScript, Tailwind ☑️ Infra: PostgreSQL, Supabase, AWS (EC2, Lambda, S3, RDS), Docker, GitHub Actions, Vercel/Render/Railway If you need a system that can survive real users not just another AI prototype send your repo, current architecture, and target use case. I’ll tell you exactly what’s fragile and what I’d fix in the first 2–3 weeks. 🔑 Keywords: AI Engineer | Python Developer | LLM Developer | RAG Developer | AI Chatbot Developer | FastAPI Developer | Django Developer | Generative AI Expert | AI Automation Expert | LangChain Developer | OpenAI API Integration | GPT-4 Developer | Backend Python Developer | AI Agent Development | Retrieval-Augmented Generation | Vector Database Expert | Prompt Engineering | Flask Developer | REST API Developer | Machine Learning Engineer | NLP Developer | Python Automation | Web Scraping Expert | Scrapy Developer | AWS Python Developer | Docker Python | Microservices Architecture | PostgreSQL Expert

I build AI-powered web applications, SaaS platforms, LLM tools, RAG systems, AI chatbots, dashboards, backend APIs, and full-stack products using Python, FastAPI, Django, React, Vue, TypeScript, PHP and cloud platforms. I’m a senior full-stack developer with 15+ years of experience, 90+ completed Upwork projects, $500K+ earned, 100% Job Success, and Top Rated Plus status. My recent Upwork work includes: - AI and microservices development for an enterprise software platform - GenAI chatbot development for employee benefits workflows - AI agent framework development - AI-driven code documentation and application mapping - NLP and OpenAI/GPT-powered full-stack applications - Python/Django backend development for fintech and logistics platforms - Long-term backend development for a production SaaS platform I can help you with: 1) AI application development - I build practical AI features inside real products, including AI chatbots, copilots, document Q&A, RAG workflows, AI agents, LLM-based automation, and OpenAI/Claude integrations. 2) Full-stack SaaS development - I can develop complete SaaS applications with login, user roles, dashboards, admin panels, backend APIs, database design, integrations, payment flows, and deployment. 3) Backend development - I work heavily with Python, FastAPI, Django, Flask, Node.js, PHP/Laravel, PostgreSQL, MySQL, MongoDB, Redis, REST APIs, third-party APIs, and cloud deployment. 4) Frontend development - I build clean, responsive, and user-friendly web interfaces using React, Next.js, Vue.js, TypeScript, JavaScript, Tailwind, and modern frontend practices. 5) Existing product development and improvement - If you already have a product, I can help add new features, fix backend/frontend issues, improve performance, integrate AI, clean up APIs, and support ongoing development. Tech stack: Python, FastAPI, Django, Flask, PHP, Laravel, React, Next.js, Vue.js, TypeScript, JavaScript, PostgreSQL, MySQL, MongoDB, Redis, OpenAI, Claude, LangChain, LlamaIndex, Pinecone, Qdrant, Docker, AWS, Azure, GCP, GitHub Actions, CI/CD. I’m a good fit if you need a reliable senior developer who can understand the product, write clean code, communicate clearly, and take ownership of development from idea to production. Typical projects I work on: - AI SaaS platforms - AI chatbots and copilots - RAG and document Q&A systems - AI agents and workflow automation - Full-stack web applications - SaaS MVP development - Backend API development - Python/Django/FastAPI applications - React/Vue dashboards - Fintech, logistics, healthcare, and business workflow platforms If you need someone who can build, improve, or maintain your AI or SaaS product, I can help you move it forward with clean and reliable development.

Top-Rated Python Developer with 13+ years of experience building scalable SaaS platforms, high-performance Python applications, AI-powered products, FastAPI microservices, Django systems, and enterprise-grade cloud infrastructure. I specialize in designing production-ready architectures that handle real-world traffic, complex business workflows, and long-term growth while maintaining reliability, security, and performance. I design and develop production-ready AI systems, high-performance backend architectures, scalable SaaS platforms, and API-driven applications that are built for real-world traffic, reliability, and long-term maintainability. As a Senior AI Engineer, I work extensively with AI automation, LLM integrations, and cloud-native technologies. I help startups and businesses turn ideas into secure, maintainable, and scalable software solutions. I don’t just integrate APIs. I architect complete systems end-to-end. Core Expertise: • Python development (FastAPI, Django, Flask, Scrapy) • AI application development and LLM integration • High-performance REST API development • Async backend systems and microservices architecture • Enterprise SaaS application development • AI chatbot development and workflow automation • Cloud infrastructure and DevOps engineering • Scalable database architecture and search systems What I Build: • AI-powered applications using OpenAI GPT-4o and Claude • AI chatbots, AI agents, and multi-agent workflows • Retrieval-Augmented Generation (RAG) pipelines • Document processing and AI automation systems • Multi-tenant SaaS platforms with scalable architecture • FastAPI and Django REST APIs • Async Python backend services • Search platforms using Elasticsearch/OpenSearch • Vector database and embedding-based AI systems • Custom business automation platforms Backend Development & Cloud Infrastructure: • Python (FastAPI, Django, Flask) • REST API development and API integrations • PostgreSQL, Redis, Elasticsearch, OpenSearch • AWS cloud services (EC2, ECS, RDS, S3, Lambda) • Docker containerization and scalable deployments • CI/CD pipelines with GitHub Actions • Production observability, monitoring, and logging • Clean architecture and scalable system design Frontend Development: • React.js and Next.js development • TypeScript and modern JavaScript • API-driven frontend architecture • Secure authentication systems and admin dashboards • Responsive and high-performance web applications AI Engineering & Automation: • Prompt engineering and structured AI outputs • LLM orchestration and AI guardrails • OpenAI API integration and Claude API integration • Vector databases and semantic search • AI workflow automation and orchestration • Cost-optimized and reliable AI systems • AI evaluation, fallback logic, and reliability engineering I focus on performance, scalability, security, and maintainable software architecture. Clients work with me when they need a senior engineer who can make strong architecture decisions, build scalable backend systems, optimize APIs, and deliver production-ready AI products instead of prototypes. If you are building an AI SaaS platform, FastAPI backend, Django application, AI chatbot, automation system, or scalable Python web application, I can help you architect, develop, and launch it properly.

👋 Need a python Full stack developer and Python AI Developer who can ship production-ready AI products, not just prototypes? I'm Roman, a Python Full stack Developer and Python AI developer with 5+ years in scalable web development and 2+ years in AI/ML. I have built AI systems for skincare, corporate LMS, real estate and SaaS, including a multilingual assistant for a company with 100+ branches and an AI SaaS chatbot platform built over 11 months. What I can help with: ✓ AI chatbot development with RAG, memory and business logic ✓ OpenAI / Claude / LLaMA integrations for SaaS, CRM, support, and internal tools ✓ AI agents trained on company documentation, knowledge bases, and enterprise data ✓ python fastapi API development for scalable AI backends ✓ React / Next.js dashboards connected to Python AI systems ✓ Database architecture, API integration, cloud deployment, and performance optimization ✓ Custom machine learning workflows, benchmarking, Data Scraping, data pipelines and analytics ⚡My work combines python full stack engineering, python fastapi backends, LLM architecture and business-focused Software Development that reduces manual work and improves user experience. As a python full stack developer, I build full-cycle products from database design and API architecture to React / Next.js interfaces, deployment and long-term optimization. My core stack includes python full stack, Python Fastapi, Flask, Django, Node.js, React, JavaScript, TypeScript, PostgreSQL, SQL, MongoDB, Supabase, AWS, Azure, Vercel, REST APIs, WebSockets, Docker, Tailwind CSS, Material UI, and Git. As a Python AI Developer, I create AI chatbots, RAG systems, AI agents, document intelligence tools, recommendation engines, and automation workflows. I work with OpenAI, Claude, LLaMA, LangChain, LangGraph, LlamaIndex, vector databases, prompt engineering, ReAct agents, and llm integration for real business use cases. 🤖 AI/ML Solutions I Build 📌 LLM-Powered Applications → Custom AI chatbots with RAG (Retrieval-Augmented Generation) → Multi-agent systems using LangChain & LangGraph → Context-aware conversational AI that maintains conversation flow → Integration with GPT-4, Claude, LLaMA models 📌 Intelligent Automation & Agents → ReAct systems (Reasoning + Acting) for complex workflows → Document parsing and knowledge extraction (LlamaIndex) → AI agents trained on internal documentation and enterprise data → Multi-language support with automatic language detection 📌 Smart Recommendations & Analysis → AI-powered recommendation engines → Image analysis and classification systems → Custom ML models for specific business use cases → Performance optimization for production environments 📌 Full-Stack Integration → RESTful API development and integration → Real-time data handling with WebSockets → Database design (PostgreSQL, MongoDB, Supabase) → Cloud deployment (AWS, Azure, Vercel) 💡 Recent AI Projects & Real Results Recent work includes an AI skincare recommendation system that analyzes customer inputs and recommends products, a corporate LMS AI assistant for 100+ branches, a real estate rental assistant using landmarks and neighborhoods instead of only addresses, and a full-stack SaaS AI chatbot platform with multi-agent logic and RAG capabilities. 🛠️ Technical Stack My experience covers product engineering and AI development. On the engineering side, I build SaaS platforms, dashboards, APIs, admin panels and automation systems as a python full stack developer ( backend python developer ) backend developer and web developer. On the AI side, I work as a Python AI developer and AI Developer, supporting chatbots, RAG systems, llm integration, OpenAI workflows, benchmarking, machine learning and data science tasks for real business use cases. ⚡My approach is simple: clarify the business problem, design cost-conscious architecture, build clean and maintainable code, show progress through regular demos, and transfer knowledge so your team can use and maintain the system confidently. Additional relevant experience: I have worked around startup products and teams involving laravel, PHP, wordpress, sharepoint, moodle lti, flutter, Vue.js, material ui, HTML5, html front end, payment gateway, back end development, full stack developer react, full stack java, marketing saas, mls, mls idx, real estate photo, ai video, crypto bot, trading python, dask, pandas, data entry, oxwall, qa analyst, ux designer, product manager, it consultant, seo specialist, journalist content workflows, technical resume writing, python full stack, python fastapi, python ai, llm integration, openai, and custom business automation. 🤝If you need a reliable python full stack developer who can own the full product workflow, or a python ai developer who can build practical AI systems with python fastapi, python ai, llm integration, openai, and scalable architecture, send me a message and let’s discuss your project.