I’m an AI Automation Engineer and Python backend developer with 10+ years of experience building scalable AI-powered applications, backend systems, automation tools, and data platforms. I help startups and businesses build production-ready AI solutions using OpenAI, LangChain, FastAPI, Django, and modern automation workflows. 𝗥𝗲𝗰𝗲𝗻𝘁 𝗽𝗿𝗼𝗷𝗲𝗰𝘁𝘀 𝗶𝗻𝗰𝗹𝘂𝗱𝗲: ⤷ AI-powered workflow automation systems ⤷ Custom GPT and LLM integrations ⤷ Backend APIs and SaaS platforms ⤷ Web scraping and data extraction pipelines ⤷ Time-series analytics and AWS-based systems ⤷ Internal AI tools and business process automation 𝐖𝐡𝐚𝐭 𝐈 𝐜𝐚𝐧 𝐡𝐞𝐥𝐩 𝐲𝐨𝐮 𝐰𝐢𝐭𝐡: ⤷ AI Automation & AI Agents ⤷ OpenAI / GPT Integrations ⤷ LangChain & LLM Applications ⤷ Python Backend Development (FastAPI, Django, Flask) ⤷ REST APIs & SaaS Architectures ⤷ Web Scraping & Data Pipelines ⤷ PostgreSQL, Redis, Celery, Docker, AWS ⤷ Deployment, Scaling & Performance Optimization 🛠️ 𝐓𝐨𝐨𝐥𝐬 𝐈 𝐮𝐬𝐞: ⤷ Docker, Git, Jira, Trello, Slack 💬 𝐖𝐡𝐲 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐜𝐡𝐨𝐨𝐬𝐞 𝐦𝐞: ⤷ Top-rated 5-star developer ⤷ Smooth communication and fast turnaround ⤷ Focused on long-term collaboration and clean code I focus on clean architecture, scalability, fast communication, and long-term maintainability. Whether you need an AI MVP, backend system, automation platform, or custom AI workflow, I can help turn your idea into a reliable production-ready product. 📈 Let’s build your next big project with performance, stability, and future scale in mind. 📩 Message me now to discuss your idea. I'm available and ready to help!

👋 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.

Top rated full-stack Python developer here to help build your SaaS products efficiently and within deadlines. I have over 4 years of experience working with individuals and companies looking to build products using the latest technologies and frameworks, such as Python, FastAPI, Flask, REST API, AWS, Django and NextJS. I have worked on more than 7 different products; in 5 of them I purely worked as a backend engineer, and a couple of them were long-term work. I regularly work on Python scripting for automation for my own work and to help out building utilities for some local companies as a freelancer. I have also worked on amazon web services extensively in past couple of years and recently started exploring AI use cases. My core expertise is as below: - Back-end programming - Scripting and Automation - Languages: Python, JavaScript, Golang - Frameworks: Django, FastAPI, REST API, Flask, React - Cloud: Amazon web services (AWS), Google cloud platform - AWS services: EC2, RDS, S3, IAM, CloudWatch - Scraping tools: BeautifulSoup, Scrapy, Selenium, Proxies - Backend programming - Shell scripting - Serverless programming using AWS lambda, DynamoDB and EventBridge - Automation scripting and data pipelines - Basics of LLM using OpenAI API, Langchain I am looking for Medium to long term projects and looking to work in products that pushes me to work more and demand more from my knowledge. Happy to hop on a call to discuss further!

Having both Backend and Frontend coding skills, I want to work with you as a contributor and a problem solver. I am a Full Stack developer with 12 years of web development. From automation scripts to machine learning models, I’m interested in solving all sorts of problems with technology in creative and innovative ways. Here are the skill sets I have: ☑️ Python, FastAPI ☑️ JavaScript, React, Angular, D3.js, Bootstrap, Tailwind CSS, Typescript, Node.js ☑️ Java, SpringBoot ☑️ PostgreSQL, MongoDB ☑️ Docker

I am a Backend Engineer with strong experience building scalable web applications, high-performance APIs, and data-driven systems using Python and Golang. I specialize in designing clean backend architectures, optimizing performance, and building reliable systems that support real-world products. I have worked on platforms involving complex business logic, large datasets, real-time features, and API integrations. My focus is writing maintainable, production-ready code and helping businesses move from idea to a stable, scalable product. Core Technologies Backend Development • Python (Django, Django REST Framework, FastAPI, Flask) • Golang (Gin) • REST APIs, GraphQL APIs • Microservices & API-first architecture Databases & Caching • PostgreSQL • Redis • MySQL • Query optimization & performance tuning Frontend & Full-Stack • Next.js • React • Angular Real-Time & System Features • WebSockets • WebRTC • Background workers & async processing Dev & Monitoring Tools • Docker • Grafana • CI/CD pipelines Additional Expertise Web Scraping & Data Extraction • Scrapy • BeautifulSoup • Selenium I can build reliable scrapers that handle: • dynamic JavaScript pages • authentication & session management • AJAX requests • API extraction • large-scale data collection pipelines Let’s collaborate to build a reliable, scalable, and future-proof backend for your product.

I build scalable full-stack applications with strong backend foundations and modern frontend experiences. With 5+ years of experience, I’ve helped startups and businesses develop high-performance platforms, AI-powered features, and production-ready systems. My strength lies in combining clean backend architecture with intuitive, responsive frontends. If you're building a product end-to-end or improving an existing system, I can help you deliver a reliable and scalable solution. 🔧 What I Can Help You With - Build full-stack applications using React, Next.js, and Python backends - Develop scalable APIs with FastAPI, Django, and Node.js - Integrate AI-powered features (GPT, RAG, LangChain) - Design clean system architecture for long-term scalability - Optimize performance across backend and frontend - Integrate third-party services (Stripe, AWS, etc.) - Deploy and scale applications on cloud platforms 📈 Recent Work - Built full-stack AI-based platforms with dynamic backend systems - Developed scalable web applications with modern frontend frameworks - Integrated GPT-based features and AI workflows into production apps - Optimized application performance across backend and frontend layers - Improved system reliability and reduced bugs through better architecture ⚙️ Tech Stack Frontend: React, Next.js, JavaScript, TypeScript, HTML, CSS Backend: Python (FastAPI, Django, Flask), Node.js AI: GPT-4, GPT-4o, RAG, LangChain Cloud: AWS, Azure, GCP, DigitalOcean Databases: PostgreSQL, MongoDB, MySQL Architecture: Monolith, Microservices APIs: REST APIs, API integrations ✅ Why Clients Work With Me - Strong backend-first approach for scalable systems - Clean, maintainable, production-ready code - Ability to handle full product development end-to-end - Clear communication and reliable delivery 🤝 Let’s Work Together If you’re building a full-stack product, integrating AI, or scaling your application, feel free to reach out. Happy to discuss your project and suggest the best approach.

Within the realm of back-end development, automatic deployment, database management and software engineering, I'll make systems that work. Core stack: Python + FastAPI async SQLAlchemy Pydantic v2 pytest + httpx GitHub Actions Docker Render deploy SQLite (dev) / PostgreSQL (prod) (I go by Arvin Nick, and I will highly appreciate it if you can call me that)

Full-stack developer for production web apps—Python (FastAPI), React/Next.js, REST APIs, auth, admin dashboards, and SaaS MVPs. I also build RAG chatbots and doc Q&A with citations when you need AI in the product. Top Rated · 100% JSS · IBM AI certified · 5.0-rated $2.5k MVP delivered (FastAPI + React). Clear communication, fast delivery, maintainable code. What you get in Phase 1 (~1 week): • Scoped working milestone: core API, database, auth, and admin shell—or a RAG demo with real doc upload + cited answers • Fixed-price milestone before full build—no vague hourly drift • Clean handover: docs, repo structure, deployment notes I also help with: dashboard features, API integrations, bug fixes, ETL/automation, and scaling existing apps. Stack: Python (FastAPI), Next.js/React, PostgreSQL, Docker, AWS/Azure; OpenAI/Claude, LangChain, pgvector/Pinecone for RAG. How we work: quick scope call or async brief → Phase 1 milestone in ~1 week → iterate → production-ready handover. Share your repo, spec, or site URL and what you need built—I’ll reply with a clear plan and a fixed-price Phase 1 offer.

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.

I’m a Senior Software Engineer with 10+ years of hands-on experience in Python and backend architecture — currently focused on building intelligent, AI-powered document and data processing platforms. I specialize in FastAPI-based backend development, LLM integration, and RAG pipelines, working with tools like LangChain, LlamaIndex, Milvus, Azure AI Document Intelligence, and OpenAI. Whether you're building a SaaS that transforms documents into vector-searchable knowledge, or orchestrating multi-stage workflows with Airflow or Celery, I bring modular, scalable, and production-grade engineering expertise to the table. My Key Skills Include: - FastAPI Architecture & Backend Design Modular routers, middleware, async endpoints, Pydantic models JWT/Token Auth, SSO, LDAP, RBAC File upload/download (PDFs, Excel, Word), multipart/form support Secure, testable, production-grade REST APIs - Document Parsing & OCR Pipelines Integrated LlamaParse, Azure Document Intelligence, PyMuPDF OCR ( PaddleOCR, Tesseract ) - LLM & Vector Search (RAG) Embeddings using OpenAI Pinecone, PG vector, Milvus for vector storage - RAG workflows with LangChain, LangGraph Smart caching, fallback LLM logic - Database Integration & SQL Generation PostgreSQL, MySQL, MSSQL Schema introspection & SQL generation via LLMs Dynamic endpoints to serve natural language → SQL - Web Scraping APIs Scrapy - Workflow Orchestration & DevOps Airflow 2.x/3.0.1 (Dockerized), Celery + RabbitMQ Docker, GitHub Actions, Azure DevOps CI/CD pipelines