I build full-stack web applications, internal tools, and AI automation systems from backend to frontend, with a focus on performance, scalability, and maintainable code. My core stack includes Python on the backend with Django and FastAPI, and modern frontend development with React, Next.js, and Tailwind CSS. I also work across deployment, cloud infrastructure, and API integrations, which helps me take projects from idea to production and improve existing systems without unnecessary complexity. I’m AWS certified and comfortable working across cloud infrastructure and deployment, including Docker, CI/CD, Infrastructure as Code with CloudFormation, AWS Lambda, ECS-based deployments, and API-driven systems, whether that means building from scratch or improving an existing application in production. Core Skills: - Backend: Django, FastAPI, Flask, DRF, Express, Celery, APIs, Auth - Frontend: React, Next.js, TypeScript, TailwindCSS - Databases: PostgreSQL, MySQL, MongoDB, Redis, RDS - Cloud & DevOps: AWS, Docker, CI/CD, DigitalOcean, Heroku - Automation & Data: API integrations, browser automation, scraping pipelines, and data processing with tools like Playwright, Selenium, Scrapy, and pandas. How I Work: - Clear scope and milestones - Frequent updates, clean code and proper docs - Honest estimates, steady delivery, security & performance focused If this sounds like the kind of developer you need, reach out with your project goals and timeline. I’ll reply with a clear plan to get you there.

I have 15+ years of industry-proven experience with a traceable success story to develop applications in Python, Node.js, React, Angular, AI frameworks,.Net and JS libraries. I specialise in designing and implementing scalable APIs. My tech stack Expertise: ✅Python, Django, Flask, Scrapy, Pytest, Node ✅ASP.NET Core, .NET MVC, .NET Angular, C# ✅OpenAI, Gemini, Claude, and Cursor AI ✅ReactJS, VueJS, NextJS, Typescript, JavaScript, jQuery ✅Databases & Servers: Redis, SQLAlchemy, NoSQL, MS SQL Server, Prisma ORM ✅APIs: Slack API, Swagger, Google APIs, Stripe, GraphQL, RESTful APIs, Open APIs ✅AWS (EC2, S3), GitHub, GitLab, Bitbucket Clients' Feedback 👍"Kashif is extremely reliable and flexible and works out of his way to ensure the task allocated is completed. Would love to continue working on future Python projects and highly recommend him to others looking for a reliable Python export as well. ===== 👍"Kashif is very reliable, professional, and flexible. He is genuine and really goes above and beyond to ensure work is done to the standards expected. We would love to work and hire him again if an opportunity for any backend development in Python comes up. We wish you all the best in your future endeavors, Kashif and hope to work with you again soon. ===== 👍"Kashif and the Team's communication was top-notch, they met all deadlines, and their skills were exceptionally strong. I enjoyed working with them. They are very dedicated and take pride in their code. I would strongly recommend the freelancer for any software development projects." Keywords: .NET Developer, Python Developer, Full-Stack Developer

I build production ready Python, AI/LLM, and automation systems that solve real business problems chatbots that actually understand users, scrapers that get past anti-bot defenses, and APIs that scale from day one. 🤖 AI & LLM Development Custom chatbot development using OpenAI, LangChain, and Rasa. I build RAG pipelines, handle prompt engineering, and fine-tune models for real use cases. At Expertflow, my AI work drove a 30% performance improvement and a 25% boost in user engagement — deployed and maintained in production, not just a demo. 🕷️ Web Scraping & Data Pipelines I handle the hard stuff: Cloudflare bypass, dynamic JavaScript rendering, and sophisticated anti-bot systems. Past projects include a 250+ item Croatian grocery database and a Taobao/Weidian scraper with AI-powered product naming and image processing. ⚙️ Backend API Development (FastAPI · Flask) Scalable, well-documented REST APIs built specifically for AI-powered applications. Clean architecture, proper error handling, production-ready from day one — not a prototype that breaks under load. 📌 Recent Projects Crypto Market Intelligence Tool — real-time Twitter sentiment + price signal analysis for altcoins Reddit Community Tracker — multi-subreddit monitoring with custom analytics GPT + Google Sheets Integration — natural language querying over live spreadsheet data Why work with me: ✅ 100% Job Success Score ✅ Fast turnaround, clear async communication ✅ I scope realistically and don't overpromise If your project involves Python, AI automation, chatbots, web scraping, or API development let's talk. I will give you an honest read on scope and timeline before we start.

I don't build fragile prompt wrappers. I engineer production-grade AI platforms, deterministic agent loops, and full-stack SaaS architectures built to survive real-world data loads. I am an AWS Certified Generative AI Specialist and Senior Full-Stack Engineer with over 6 years of experience shipping 100+ production applications. If you have an existing AI pipeline that is hallucinating, a broken API handoff, or a complex multi-agent system that needs to scale, I can step in and execute immediately. Core Specializations & Proven Outcomes: - Autonomous Multi-Agent Systems: I design resilient, cyclic state-machine workflows using LangGraph, CrewAI, and Pydantic validation gates. I specialize in building agents that handle multi-step operational tasks, tool-calling, and CRM orchestration securely. - Advanced Production RAG: Building secure internal knowledge retrieval engines over databases, enterprise documentation, and vector stores (Pinecone, pgvector) with zero hallucination and ironclad data privacy boundaries. - AI Voice & Omnichannel Operators: Deeply experienced in real-time voice integration (Retell AI, Vapi) paired with text orchestration via the Meta WhatsApp API and Twilio webhooks to create seamless customer handling systems. - Full-Stack Cloud Architectures: Engineering high-performance backends (Python FastAPI, Node.js) and pixel-perfect frontends (Next.js, Tailwind CSS) natively integrated into AWS cloud infrastructure. The Production Stack: - AI / Orchestration: LangGraph, LangChain, LlamaIndex, Pydantic, Claude 3.5 Sonnet, GPT-4o, AWS Bedrock - Backend & DB: Python (FastAPI, Django), Node.js (TypeScript), PostgreSQL, MySQL, Redis - Vector Infrastructure: Pinecone, pgvector - Cloud & Frontend: AWS (GenAI Architecture, Lambda, S3, ECS), Docker, Next.js, React Client Feedback: "Strong technical expertise, reliable, and delivers high-quality work on time." "Very professional and easy to work with. Delivered exactly as expected." I work as a collaborative partner rather than just a task-taker. I’ll actively audit your requirements, point out potential system bottlenecks before they happen, and make sure you end up with code your team can easily manage long after deployment. Send over an invite, and let's hop on a brief 10-minute technical sync to map out your architecture.

⭐️ Top Rated 🕒 1300+ hours on Upwork ✅ 5+ years of experience ✅ Delivered 20+ GenAI products & Fortune 500-scale systems I'm a Full Stack AI Developer with deep expertise in backend logic and cutting-edge LLM automation. I thrive on building technically challenging and creative systems—from scratch to production. My specialties include agentic automation, retrieval-augmented generation (RAG), and document intelligence solutions for businesses, legal firms, and startups. Over the past 5+ years, I’ve helped startups and enterprises ship GenAI systems, automate decision-making workflows, and scale ML products. Whether it’s chatbot design, site backend logic, or full product delivery—I’m the one who loves turning complexity into elegance. 💻 Core Expertise Includes Backend / Full Stack Development Python · FastAPI · Node.js · PHP · Laravel · WordPress · CodeIgniter · MySQL · MongoDB · REST APIs · Docker · Nginx · Git · AWS GenAI, LLMs & AI Agents LangChain, LangGraph, FAISS, Pinecone, RAG pipelines Whisper, LayoutLM, Codex, HuggingFace Transformers AI assistants (voice, text, Slack bots) Custom document Q&A (PDFs, videos, invoices, diagrams) Multilingual RAG, agent orchestration, and autonomous pipelines Frontend / UX Integration React · Vue.js · jQuery · Bootstrap · Tailwind CSS Data Science & ML Pandas · NumPy · Matplotlib · Scikit-Learn · Keras/TensorFlow · PyTorch · NLTK · Geospatial AI (ArcGIS/QGIS) · Power BI Automation & Scripting Web scraping (Selenium, BeautifulSoup, Scrapy) · Python automation · OCR · Data extraction · Business dashboards 🧠 Recent GenAI & Agentic Projects Policy Navigator – Ask AI legal queries using PDF-based RAG Voice Assistant – Voice command to real-time task execution (NVIDIA NeMo) Meeting Extractor – Audio-to-action summary using Whisper Multimodal RAG – Ask "Where in this video is XYZ mentioned?" Document Intelligence – Invoice parser with LayoutLMv3 Slack Q&A Bot – AI agent for internal knowledge + summarization LLM Orchestration Engine – Agent architecture for multi-step planning Code Assistant – Codex-powered dev tool for refactoring/debugging Autonomous Research Agents – LangGraph-based agent for task decomposition BI Dashboards – Analytics from big data & geo data (ArcGIS + PowerBI) 👨‍💻 Personal Qualities Passionate about complex system logic Fast learner, problem-solver, and detail-oriented Always working with latest libraries & best practices Strong communication & leadership Flexible, creative, and committed to results 💼 If you’re looking to build an AI-powered product, automate your business workflows, or solve complex technical challenges—let’s connect. I'm always hungry for bold ideas and rewarding partnerships. 📩 Send a message to get started with your next powerful backend, AI, or automation solution.

Full Stack Developer | 5+ Years Experience | AI-Powered Development I build fast, secure, and scalable web and mobile applications using React, Next.js, and Python. By integrating AI agents and modern development tools, I deliver production-ready MVPs and enterprise solutions efficiently. ⚡ 𝐌𝐘 𝐆𝐔𝐀𝐑𝐀𝐍𝐓𝐄𝐄: 𝐂𝐎𝐃𝐄 𝐐𝐔𝐀𝐋𝐈𝐓𝐘 I do not write "spaghetti code." My code is: ✅ Clean & Modular: Easy for other developers to read and update. ✅ Bug-Free: Tested thoroughly before delivery. ✅ Secure: Built with best practices for data protection. ➡ 𝐓𝐄𝐂𝐇 𝐒𝐓𝐀𝐂𝐊 𝐄𝐗𝐏𝐄𝐑𝐓𝐈𝐒𝐄 🔹 Frontend: React.js, Next.js, TypeScript, Tailwind CSS. 🔹 Backend: Python (Django, FastAPI), PHP (Laravel), Node.js. 🔹 Mobile: Flutter, React Native (iOS & Android). 🔹 AI & Agents: LangChain, Langgraph, CrewAI, OpenAI SDK, RAG, n8n, Zapier. 🔹 Tools & Cloud: Supabase, Firebase, Docker, AWS, Vercel, Cursor. ➡ 𝐌𝐘 𝐒𝐄𝐑𝐕𝐈𝐂𝐄𝐒 1. 𝙵𝚞𝚕𝚕 𝚂𝚝𝚊𝚌𝚔 𝚂𝚊𝚊𝚂 𝙳𝚎𝚟𝚎𝚕𝚘𝚙𝚖𝚎𝚗𝚝 Building scalable SaaS platforms using Django or Laravel. Fast frontends with Next.js and React. Rapid MVP development using Supabase and Cursor. 2. 𝙼𝚘𝚋𝚒𝚕𝚎 𝙰𝚙𝚙 𝙳𝚎𝚟𝚎𝚕𝚘𝚙𝚖𝚎𝚗𝚝 Native-feel apps using Flutter and React Native. Smooth animations and offline capabilities. Publishing to Apple App Store & Google Play. 3. 𝙰𝙸 𝙰𝚐𝚎𝚗𝚝𝚜 & 𝙰𝚞𝚝𝚘𝚖𝚊𝚝𝚒𝚘𝚗 AI Integration: Custom chatbots and RAG systems (Langgraph). Workflow Automation: Connecting apps using n8n and Zapier to save time. Data Scraping: Extracting data from websites automatically. 4. 𝙳𝚎𝚟𝙾𝚙𝚜 & 𝙸𝚗𝚏𝚛𝚊𝚜𝚝𝚛𝚞𝚌𝚝𝚞𝚛𝚎 Deploying apps to AWS, Vercel, or Heroku. Setting up CI/CD pipelines (GitHub Actions) for auto-updates. Database optimization (PostgreSQL, Redis). ➡ 𝐖𝐇𝐘 𝐂𝐋𝐈𝐄𝐍𝐓𝐒 𝐇𝐈𝐑𝐄 𝐌𝐄 Speed: I use AI tools to code faster without losing quality. Communication: I speak clear English and give daily updates. Solution-Oriented: I don't just follow orders; I help you improve your idea. 𝐑𝐞𝐚𝐝𝐲 𝐭𝐨 𝐛𝐮𝐢𝐥𝐝? Click the "𝘐𝘯𝘷𝘪𝘵𝘦" button at the top right, and let's discuss your project! _______ Roles: Full Stack Developer | Python Developer | React Developer | Next.js Developer | Laravel Developer | Flutter Developer | React Native Developer | AI Engineer | AI Agent Developer | SaaS Developer | Backend Developer | Frontend Developer | Mobile App Developer | Automation Expert | Web Scraper | DevOps Engineer | API Developer | Languages & Frameworks: Python | Django | Flask | FastAPI | PHP | Laravel | JavaScript | TypeScript | React.js | Next.js | Node.js | Express.js | Dart | Flutter | React Native | HTML5 | CSS3 | Tailwind CSS | Bootstrap | Material UI | AI & Automation: Artificial Intelligence | Machine Learning | OpenAI API | GPT-4 | Claude | Gemini | Llama 3 | LangChain | LangGraph | RAG (Retrieval-Augmented Generation) | AI Agents | Chatbots | n8n | Zapier | Make .com | AutoGPT | CrewAI | HuggingFace | NLP | Prompt Engineering | Web Scraping | Selenium | Scrapy | Puppeteer | Playwright | Tools & Infrastructure: Cursor | Lovable.dev | Supabase | Firebase | Vercel | Netlify | Heroku | Coolify | Docker | Kubernetes | AWS (EC2, S3, Lambda, RDS) | Google Cloud (GCP) | Git | GitHub Actions | CI/CD | PostgreSQL | MySQL | MongoDB | Redis | Celery | RabbitMQ | Stripe Integration | Google Maps API | Figma to Code |

As a forward-thinking Senior Engineer and Team Leader with over two decades of experience, I work as a full stack developer specializing in Video Streaming and real-time communication solutions based on WebRTC. I combine strong architecture thinking with hands-on delivery, acting both as a technical leader and a practical full stack web developer who understands real product needs and builds scalable WebRTC-powered systems. Today, my focus as a full stack developer includes the strategic application of advanced AI technologies alongside WebRTC-based real-time communication platforms. I actively work with OpenAI APIs, Whisper for speech recognition, LLaMA2 for open-source large language models, and LangChain for building AI-driven workflows. This positions me as a full stack developer AI who can integrate intelligence directly into real-world WebRTC video and streaming products. Throughout my career as a full stack developer, I’ve contributed to Telemedicine, Online Education, and Real-time Entertainment by building WebRTC-powered communication platforms. I’ve led teams delivering webinar platforms, live chat systems, and complex real-time applications, acting both as a senior web developer and system architect who ensures scalability, security, and long-term maintainability for WebRTC infrastructures. In AI-focused projects, I operate as a full stack developer who bridges data, logic, and user experience inside WebRTC-enabled applications. My team and I integrate conversational AI, speech-to-text, and knowledge-driven systems using OpenAI, Whisper, and LLaMA2. With LangChain, we design intelligent pipelines that automate workflows and data processing, enhancing WebRTC communication platforms with AI-driven capabilities. WebRTC remains a core part of my work as a full stack developer, especially for building high-performance real-time systems. We design everything from low-latency WebRTC infrastructure to complete applications, delivering solutions that work seamlessly across web and mobile. This includes building scalable video streaming app architectures capable of handling thousands of concurrent users through WebRTC. As a full stack developer, I also provide consulting and development services across North America and Europe, helping companies design and build WebRTC-based video communication platforms. I work with companies in Entertainment, E-Learning, Healthcare, and Finance. Depending on project needs, I act as a React developer, Wordpress developer, or mobile app developer while implementing scalable WebRTC solutions. Our services as a full stack developer team include system architecture, UI/UX design, and custom development of WebRTC streaming and real-time communication platforms. We build modern interfaces, robust back-ends, and real-time systems, including secure WebRTC video stream delivery for live and on-demand use cases. We have worked with most of the major Webinar and Online Education platforms on the market, delivering solutions as a full stack developer team that understands both the business and technical sides of WebRTC video streaming products. We frequently modernize existing platforms and migrate legacy systems to scalable cloud-based architectures built around WebRTC technologies. As a full stack developer, I’ve led the creation of webinar systems, live chat apps, WebRTC video conferencing platforms, real-time video auctions, messengers, e-learning platforms, telemedicine solutions, dating apps, Twitch-like platforms, TikTok-style apps, VoD systems, and live shopping platforms. Many of these solutions rely on modern stacks including full stack developer React and full stack Lavarel approaches integrated with WebRTC. Beyond development, I support clients as a full stack developer with load testing and performance optimization for large-scale WebRTC streaming systems. My background across front-end, back-end, databases, and cloud platforms allows me to lead projects end-to-end and deliver reliable, production-ready WebRTC platforms. I invite you to collaborate with me as a full stack developer who understands AI, WebRTC, and scalable real-time product development. Together, we can build innovative WebRTC-powered solutions that align with your business goals and grow with your users.

If you can describe it, I can build it—then iterate until it’s exactly right. Not sure what you need? I’ll help you scope what’s feasible and best for your business. 🚀 Full-Stack Development Frontend: React, Next.js, Vue, Angular; SSR/ISR, responsive UI, SEO Backend: Node.js (Express/Nest), Python (FastAPI/Django), PHP (Laravel/Symfony/WordPress) Data & Infra: MySQL/PostgreSQL/SQLite, Redis, Docker, CI/CD, AWS (Lambda, S3, DynamoDB, API Gateway, Cognito), Azure Security & Performance: OAuth/JWT, RBAC, validation, rate-limiting, caching, profiling 🤖 Agentic AI (Production-Grade) Tool-using agents (function/tool calling), multi-step workflows, guardrails & evals RAG pipelines: pgvector/FAISS/Pinecone, smart retrieval strategies, prompt engineering Voice & Realtime: Whisper STT, TTS, streaming, event-driven experiences 🧠 OpenAI Expertise GPT-4 class (incl. 4o/mini), Assistants/Responses/Realtime APIs, Vision, Whisper Fine-tuning (SFT/LoRA), structured outputs, safety policy integration Deployments across OpenAI & Azure OpenAI with logging, analytics & cost control 🧩 MCPs (Model Context Protocol) Custom MCP servers/tools to connect CRMs, Notion, GitHub, Slack, DBs, internal APIs Typed schemas, scoped permissions, observability; Bridge elimination: direct fetch-accessible endpoints when possible—simpler, faster, cheaper 📈 Trading Bots & Quant Tools Exchanges: Binance/Bybit websockets, order management, risk controls Signals/Strategies: MA crosses, momentum, mean-reversion, custom screeners (incl. Pine Script) Backtesting, paper/live trading, alerting, monitoring dashboards 🔌 Integrations Fintech: MangoPay, Coinbase Customer Ops: Freshchat, Zendesk, Microsoft Teams notifications Content/CMS: Notion API, Strapi, WordPress Social/DevOps: Facebook, X (Twitter), GitHub; webhooks, background jobs, schedulers Web3/Blockchain (on request) 🛠️ Tooling Snapshot React/Next.js • Node/Express • Python/FastAPI • PHP/Laravel/Symfony • MySQL/PostgreSQL • Docker • AWS/Azure • OAuth2 • Jest/Pytest • Git • Jira/Trello/ClickUp ✅ How We’ll Work Discovery → Spec: Turn your idea into a clear, testable plan Build in Iterations: Frequent demos & tight feedback loops Quality First: Version control, code reviews, tests, docs Handover & Support: Smooth deploys, training, optional maintenance 📬 Let’s build something you’ll be proud of. Share your goal—even if it’s rough—and I’ll propose the best technical path, milestones, and estimate.

Need a Telegram bot with AI, a reliable backend API, or a Python automation that just works? I build production-ready solutions — fast and clean. WHAT I DELIVER: → Telegram & AI bots — from simple command bots to full AI assistants powered by OpenAI (GPT / Assistants API), handling 500+ requests/day → Backend APIs — Django and FastAPI REST APIs for mobile and web apps, including auth, payments, real-time features (WebSockets), and async task processing (Celery + Redis) → Automation & scraping — data collection, workflow automation, third-party API integrations RECENT RESULTS: • 30+ production projects delivered with 95%+ client satisfaction • AI support chatbot: 500+ daily requests, 90% resolved automatically • Booking platform serving 50+ business locations • Trading system: 10,000+ daily transactions, 99.9% uptime • Telegram bot with 1,000+ active users integrated into a task platform TECH STACK: • Python, Django, FastAPI, DRF • PostgreSQL, Redis, Celery, RabbitMQ, Docker • OpenAI API, Telegram (aiogram, Telethon, python-telegram-bot) • AWS (Certified Cloud Practitioner + AI Practitioner), CI/CD • Selenium, Playwright, Web Scraping WHY CLIENTS CHOOSE ME: ✓ I respond within 2 hours during business hours ✓ Clean, tested, documented code — not spaghetti ✓ EU-based (Warsaw, Poland) — timezone-friendly for US & European clients ✓ Full project cycle: requirements → architecture → code → deploy → support Let's talk about your project — send me a message and I'll reply with a concrete plan and timeline.

✅AI Agent ✅ChatGPT API Integration ✅OpenAI Expert ✅Claude Code ✅AI Integration ✅RAG ✅Multi-Agent Systems ✅Full Stack AI Engineer I build production-ready AI products that solve real business problems. I'm an Expert-Vetted AI Engineer specializing in AI Agent development, OpenAI applications, ChatGPT API Integration, Multi-Agent Systems, RAG, and modern Full Stack Development. I help founders, startups, and businesses launch AI products in weeks—not months. What I Build ✔️ AI Agents for customer support, sales, education, healthcare, internal operations, and workflow automation ✔️ Production-ready AI Agent platforms with memory, tool calling, function calling, knowledge retrieval, and human-in-the-loop workflows ✔️ Multi-Agent Systems where multiple AI Agents collaborate to complete complex tasks ✔️ AI-powered SaaS platforms using OpenAI and ChatGPT API Integration ✔️ Custom AI applications with OpenAI, RAG, vector databases, and private knowledge bases ✔️ Full-stack web applications with scalable backend architecture, authentication, billing, dashboards, and cloud deployment ✔️ AI workflow automation using n8n, Make, Zapier, and custom APIs ⚡ My Expertise AI Agent Development AI Engineer Full Stack AI Engineer OpenAI Expert OpenAI API ChatGPT API Integration AI Development Multi-Agent Systems RAG Applications Full Stack Development Web Development LLMs Prompt Engineering AI Automation Conversational AI ⚙️ Technologies OpenAI, Claude, Gemini, ChatGPT, LLMs, Python, FastAPI, React, Next.js, Node.js, LangChain, LangGraph, CrewAI, PostgreSQL, Pinecone, ChromaDB, MongoDB, Docker, AWS, Stripe, n8n, Make, Zapier. Recent Projects • Built an AI Agent for eCommerce that automated customer support and increased revenue. • Developed a real-time voice AI Agent using OpenAI Realtime API. • Created an OpenAI platform for real estate marketing with automated content generation. • Built enterprise Multi-Agent Systems for business process automation. • Developed AI tutors, AI coaches, enterprise knowledge assistants, and workflow automation platforms. • Built a POS platform serving over 100,000 users. 👉 Why Clients Work With Me I don't just integrate APIs, I design, engineer, and ship complete AI products. As an AI Engineer, I combine OpenAI, ChatGPT API Integration, AI Agent development, Full Stack Development, and my experience in scalable software engineering to build products that are reliable, maintainable, and ready for production. If you're looking for an experienced AI Engineer to build AI Agents, integrate OpenAI, Claude, Gemini, implement ChatGPT API Integration, or develop your next AI-powered SaaS product, I'd love to help.