I am a Senior Ruby on Rails Developer and Backend Specialist with over 8 years of experience building scalable, high-performance backend systems for startups and global businesses. I specialize in developing robust Ruby on Rails applications with clean and maintainable architecture, along with secure and scalable backend systems including APIs, microservices, and data pipelines. I have strong experience designing and optimizing REST and GraphQL APIs, as well as building data scraping and automation systems using Python with tools like Scrapy and Selenium. I also work with cloud-based solutions on AWS, including EC2, S3, and Lambda, and implement CI/CD pipelines using Docker and Kubernetes to ensure smooth deployments. My core tech stack includes Ruby on Rails and Python frameworks such as Django and Flask, along with PostgreSQL and MongoDB for databases. I have built secure backend systems for financial platforms with a focus on compliance and encryption, developed high-volume data pipelines for eCommerce and analytics, and created automated scraping systems capable of handling large-scale data extraction. I focus on writing clean, scalable, and production-ready code while ensuring performance, reliability, and timely delivery. I communicate clearly, understand business requirements deeply, and aim to provide solutions that go beyond just code. If you are looking for a reliable backend developer who can turn complex ideas into scalable systems, I would be happy to discuss your project and help bring it to life.

From a business idea to a scalable, high-performance backend system, I deliver solutions that are not just functional but built to scale, perform, and succeed. I specialize in Golang & Python development, crafting robust APIs, event-driven architectures, and data-intensive systems that power real-world products, from eCommerce platforms and fintech applications to AI/ML-powered solutions and real-time data pipelines. If you’re looking for a backend engineer who can own your project end-to-end, from architecture design to production deployment, I can be your one-stop solution. What I Deliver Backend Development – APIs with Go (Fiber, Gin), Python (Flask), gRPC, and WebSockets. Scalable Microservices – Event-driven systems with Kafka, Redis, and async schedulers. Database Expertise – PostgreSQL, MongoDB, TimescaleDB with schema optimization & indexing. 3rd-party Integrations – Payment Processing, Recommendation Systems, Automated Messaging, and Emails. AI & Data Systems – Real-time analytics, ML/NLP pipelines, OCR, predictive modeling. DevOps & CI/CD – Dockerized deployments, GitHub Actions automation, cloud-ready apps. Tech Stack 🔹 Languages: Golang, Python 🔹 Frameworks: Fiber, Gin, Flask 🔹 Databases: PostgreSQL, MongoDB, TimescaleDB, Redis, CockroachDB, ElasticSearch. 🔹 Technologies: gRPC, GraphQL, Debezium, JWT/Paseto, WebRTC, Celery, Asynq. 🔹 Messaging/Events: Kafka, RabbitMQ, WebSockets, Webhooks. 🔹 DevOps: Docker, GitHub Actions, Automated Testing. 🔹 Deployments: Clouds(AWS, GCP). 🔹 Integrations: Stripe, Klaviyo, SearchSpring, Twilio, Google Merchant Center. Industries I’ve Built For E-Commerce & Marketplaces – High-concurrency platforms with secure payments & advanced product search. Smart Infrastructure & IoT – Vehicle tracking, RFID ingestion, real-time data sync. Fintech & Trading Apps – Live streaming data, ML-driven signals, secure user management. Food & Delivery Platforms – Microservices for orders, payments, and logistics. AI & NLP – Sentence correction, OCR pipelines, and AI-powered automation. I don’t just write code — I build backend engines that accelerate business growth. Whether you need a new system from scratch or to scale your existing product, I’ll help you architect, develop, and deploy with confidence. Let’s jump on a call to discuss how we can turn your backend into your biggest growth driver.

I build production-ready AI applications and SaaS platforms using Python, Django, FastAPI, React and Next.js. As a Top Rated Plus developer with 50+ completed Upwork projects, I have helped clients build, complete and improve AI-powered products, backend systems, voice agents, RAG applications and data-driven platforms. My focus is not limited to adding an OpenAI API to an application. I build the complete system around the AI feature including backend architecture, data pipelines, APIs, user roles, payments, integrations, deployment and production reliability. ✅What I Can Help You Build * AI-powered SaaS platforms and internal tools * Python backends using Django, FastAPI and Flask * RAG systems with embeddings, vector search and document processing * Voice AI agents using Twilio, Deepgram, ElevenLabs and OpenAI * LLM integrations using OpenAI, Claude and structured AI workflows * React and Next.js dashboards connected to Python APIs * REST APIs, webhooks and third-party integrations * Authentication, user roles, subscriptions and Stripe payments * Background processing, real-time systems and large-data workflows * Existing application debugging, optimization and completion ✅Relevant Project Experience ◾DataVersion AI document-processing and RAG platform built with FastAPI, Next.js, Supabase, AWS and Pinecone. ◾Key2 AI voice and telecom platform using Django, FastAPI, Twilio, ElevenLabs, OpenAI and Deepgram. ◾OpenHome Voice AI application built with Django, Vue.js, Deepgram, ElevenLabs, OpenAI and AssemblyAI. ◾PitchFit AI-powered SaaS application developed with Flask, FastAPI, React and Express.js. ✅My Core Technology Stack ⭐AI and LLMs: OpenAI, Claude, RAG, AI agents, embeddings, vector databases, prompt engineering and document processing ⭐Voice AI: Twilio, Deepgram, ElevenLabs, Retell, speech-to-text, text-to-speech and real-time voice workflows ⭐Backend: Python, Django, FastAPI, Flask, Node.js, Express and NestJS ⭐Frontend: React, Next.js and Angular ⭐Data and Infrastructure: PostgreSQL, Supabase, MongoDB, Redis, Firebase, AWS, Docker and DigitalOcean ⭐Automation and Integrations: n8n, APIs, webhooks, Zapier and Make ✅ Why Clients Work With Me -- Clients describe me as reliable, collaborative, responsive and committed to quality. ⭐One client shared: “Best developer I have ever worked with on this platform.” ⭐Another said: “If you need a developer that works fast, consistent and knowledgeable, Hassan is your guy!” I am comfortable joining projects at any stage whether you need to build an MVP, add AI features to an existing product, repair an unstable backend or prepare a prototype for production. Send me a brief description of your product, current stack and the main problem you need solved. I’ll review it, identify the fastest path forward, and tell you exactly how I can help no vague promises, no wasted time. Looking forward to have a Fruitful Conversation with u :)

I build AI automation systems, AI agents, and LLM-powered applications that help businesses automate workflows, reduce manual work, and scale faster. As an AI Automation Engineer, I specialize in developing custom AI agents, ChatGPT/OpenAI integrations, and Python-based automation tools using modern LLM frameworks. What I can help you with: • AI Agents for task automation (multi-step workflows, decision-making) • LLM apps using OpenAI, Claude, LangChain, RAG pipelines • Business process automation using Python + AI • Chatbots & AI assistants (customer support, internal tools) • API integrations & AI-powered dashboards • Data extraction, document processing & intelligent workflows Use Cases I’ve worked on: • Automated business workflows using AI agents • AI chatbots trained on custom data (RAG-based systems) • LLM-powered tools for content generation & analysis • Integrations with CRMs, internal tools, and APIs Tech Stack: Python | OpenAI | Claude Code | LangChain | FastAPI | APIs | Vector DBs | OpenAI | Github Copilot | AI/ML | pytorch | IOT

I help businesses collect, clean, and automate web data using Python, APIs, browser automation, OCR, and AI. I am a Top Rated Plus Upwork freelancer with 100% Job Success, 166 completed jobs, 9,900+ hours, and $200K+ earned on Upwork. Clients hire me when they need reliable data extraction or automation that works beyond a quick demo. Core services: - Web scraping, crawling, and data extraction - Python automation with Playwright, Selenium, Scrapy, Requests, and BeautifulSoup - API integrations and backend automation - OCR and document data extraction - AI/LLM workflows using OpenAI, Claude, RAG, agents, and automation tools - Data cleaning, deduplication, enrichment, validation, and CSV/Excel/JSON/SQL delivery - Lead generation, product monitoring, competitor tracking, real estate data, directories, and marketplaces I focus on production-ready systems: clean data output, error handling, logging, retry logic, scheduling, documentation, and maintainable code. I am a good fit if you need someone who can understand the business goal, inspect messy data sources, build the right extraction or automation flow, and communicate clearly until the job is finished. Send me the website, document, API, or workflow you want automated and I will help you turn it into a reliable system.

I am a computer engineer by profession. I am a senior and a full stack developer having over 7 years expertise in several programming languages including python, php, Ruby, css, JavaScript, jQuery, and many other languages. I have worked with several startups and I have had several personal projects ranging from web development, machine learning, IoT, data science, mobile application etc. I also have skills in 3d modelling and animation using blender. If you desire a frontend, back end or a full stack developer, you are at the right place. If you require an intelligent programmer for your project, I am the best option available. I am proficient in the following : - python - css - php - jQuery - JavaScript - c++ - MS Excel/Word -- Blender Service Description: + Full website development ( single page, e-commerce, educational website etc) + Design and development of frontend design for websites. + Back end development + 3D Modelling + Internet of things (IoT) + Mobile app development + Web app. Development + Website consultancy services + Web development tutoring services

Hi! I’m Elena - I build automation systems, scraping pipelines, and backend services that work under real-world conditions, high load, anti-bot protection, and unstable data sources. Including high-load Telegram bot systems used for real-time data processing and distribution. With 3 years of experience in automation engineering, I don't just write scripts; I build stable, self-healing systems that handle thousands of requests and save hundreds of manual hours. 💡 Recent Track Record: • Built a phishing analysis engine for Microsoft Sentinel used in a production security workflow • Built a Telegram bot ecosystem serving 9,000+ users with stable performance under load • Developed scraping systems bypassing Cloudflare and anti-bot protections • Delivered 30+ automation projects: from simple bots to full backend systems with APIs and databases What I bring to your project: • I design systems that keep working when websites change or add protection • I reduce scraping costs and increase success rates under heavy traffic • I build automation that scales, not scripts that break after a week Core Stack: ✔️ Bots: Aiogram 3, Telethon, Pyrogram (High-load architecture) ✔️ Scraping: SeleniumBase (UC Mode), Playwright, Scrapy ✔️ Backend: FastAPI, Flask, MongoDB, PostgreSQL ✔️ Infra: Docker, Linux (VPS/Systemd), Git ✔️ Async Systems: asyncio, high-concurrency pipelines I focus on results: stable automation, higher success rates, and systems that don’t require constant fixing. Let’s turn your manual routine into a fully autonomous system.

A senior full-stack AI developer (Python and .Net full-stack AI developer, fullstack developer react, fullstack AI web developer, python AI developer, and AI developer, machine learning python ) with more than eleven years of professional experience building AI webapp, AI mobile app development, SaaS platforms, AI Automation or AI-powered automation systems. I build fast, reliable, and scalable products that help companies streamline operations, improve user experience, and grow with confidence. I have delivered end-to-end solutions for clients across e-commerce, healthcare, fintech, real estate, education, logistics, hospitality, HR/recruitment, manufacturing, retail, travel, food delivery, home services, fitness/wellness, and enterprise automation. My projects consistently turn complex requirements into clean, production-ready systems that are easy to maintain and ready to scale. 𝑪𝒐𝒓𝒆 𝑻𝒆𝒄𝒉𝒏𝒊𝒄𝒂𝒍 𝑬𝒙𝒑𝒆𝒓𝒕𝒊𝒔𝒆 • Frontend: React, Angular, Vue.js, Next.js, TypeScript, JavaScript, Tailwind, Bootstrap, HTML5, CSS3 • Mobile Apps: Flutter, React Native, Android, iOS, cross-platform development • Backend & APIs: Python, Node.js, Django, Express.js, FastAPI, REST APIs, GraphQL, microservices • SaaS & Platforms: Multi-tenant SaaS, subscription management, RBAC, dashboards, automation workflows • Cloud & DevOps: AWS, GCP, Azure, Docker, Kubernetes, CI/CD, load balancing, scalable deployments • AI & Automation: GPT-4/4o integration, AI chatbots, AI agents, NLP, RAG systems, TensorFlow, automation pipelines • Databases: PostgreSQL, MySQL, MongoDB, Firebase, Supabase, Redis • Integrations: Payment gateways, CRM/ERP, third-party APIs, webhook systems, automation tools 𝑰𝒏𝒅𝒖𝒔𝒕𝒓𝒊𝒆𝒔 𝑻𝒉𝒂𝒕 𝑩𝒆𝒏𝒆𝒇𝒊𝒕 𝑭𝒓𝒐𝒎 𝑴𝒚 𝑬𝒙𝒑𝒆𝒓𝒕𝒊𝒔𝒆 • E-commerce & Retail – product catalogs, order management, mobile shopping, automation • Healthcare & Telemedicine – AI triage bots, appointment systems, HIPAA-aligned workflows • Fintech & Payments – secure transactions, dashboards, analytics, KYC/AML flows • Real Estate & Property Tech – listing apps, booking systems, tenant management, AI assistants • Hospitality & Travel – booking engines, chatbots, multilingual support • Logistics & Delivery – tracking systems, dispatch apps, routing automation • Education & E-learning – LMS platforms, AI tutors, multi-role dashboards • HR, Staffing & Recruitment – applicant tracking, automation workflows, interview bots • Fitness, Wellness & Lifestyle – mobile apps, community features, subscription models • Enterprise & B2B SaaS – dashboards, workflow automation, analytics, integrations 𝑾𝒉𝒂𝒕 𝒀𝒐𝒖 𝑪𝒂𝒏 𝑬𝒙𝒑𝒆𝒄𝒕 𝑭𝒓𝒐𝒎 𝑴𝒆 • Clean, maintainable, and scalable code • Modern UI/UX with smooth user journeys • Stable backend with strong architecture • AI-driven features that increase automation and engagement • Fast communication, clear timelines, and consistent delivery 𝑹𝒆𝒄𝒆𝒏𝒕 𝑾𝒊𝒏𝒔 • Launched a real-time analytics SaaS dashboard for enterprise operations • Delivered an AI customer support chatbot that boosted engagement by thirty percent • Built a Flutter mobile app with thousands of active users and strong user retention • Created a multi-tenant SaaS platform with advanced automation and role-based controls If you need a developer who understands product thinking, architecture, AI integration, and long-term scalability, I am ready to help. Let us build something powerful that moves your business forward.

💻 I've built 25+ successful projects, including Telegram Mini Apps, Telegram bots, a wide range of scripts, websites, AI chatbots, Web UIs, APIs, payment integrations, browser automation bots, and much more. With this extensive experience, I'm confident I can execute your task better than anyone else. ⚡️ Hit the invite button, and let's discuss the project ✔️ Services: - Web Scraping - Browser Automation - Creating Telegram Mini Apps - Creating Bots (Telegram, Whatsapp, Discord) - Working with API - Creating Web UI (Flask / FastAPI / Django) - Creating Telegram Games - Creating API (FastAPI / Flask / DRF) - Creating Webhooks (FastAPI / Flask / DRF) - Python Scripts - Scraping Data from Endpoints of API / Backend Calls - Creating Desktop Apps (PyQT5 / Tkinter) - Integrating AI to Projects - Saving Data to Excel / CSV / JSON / Google Sheets - Auto Downloading Files - Using Apify API - Auto Processing of Emails - Pygame Games - Creating Telegram Mini Apps - Creating Telegram Games - Scraping Data from YouTube - Creating Notifiers to Telegram - Deployment to Server - Using OpenAI API - Uploading with WooCommerce API - Scraping Zillow / Hipcamp / Campspot - Scraping with Selenium - Web Analyzer - Backend - Creating Auto Uploaders - Integration Binance API - Integration ByBit API - Integrating CoinMarketCap API - Web Scraping from Social Medias - Creating Web Application or Website with React & FastAPI - Integrating payments - Automation for YouTube - Creating projects with YouTube API - Processing video with Python ✔️ Stages of Work 1. You describe your preferences for the project execution and provide tech task to work with. If you don't have it, I will create it by explanation and preferences. 2. After finalizing the details, I do estimate and create plan of development for you. Throughout the process, I share to you ideas how to create project in the best way. 3. Once the estimate is approved, I start to develop the project. 4. I send you the finished project or milestone for review and await any adjustments you may have. 5. I'm always available to communicate with you and maintain project after development. 🚀 As a Python developer, I bring over 4 years of extensive programming experience to the table. Notably, I've clinched victories in programming competitions, showcasing my prowess in the field. Quality and speed are the hallmarks of my work. I prioritize excellence in every task. Customer feedback: ⭐️⭐️⭐️⭐️⭐️ "I have successfully completed several projects with Eduard and will continue to enjoy working with him. He is reliable and responds quickly and reliably to enquiries." - Daniel K. ⭐️⭐️⭐️⭐️⭐️ "Eduard is very skilled, efficient, and creative in resolving problems that come up. Look forward to working with Eduard again." - Kurt B. ⭐️⭐️⭐️⭐️⭐️ "Thanks Edward, very good work, helped to find a way to make the project work by looking at it from another position… end result as required!" - Martin W. 🤍 Feel free to message me if you have any questions. I am looking forward to working with you together! Website Scraping, Browser Selenium Automation, Telegram Bots, Whatsapp Bots, Discord Bots, Facebook, Instagram, Reddit, Twitter / X, API, Web UI, Flask, FastAPI, Django, DRF, Webhooks, Python Scripts, Fix Bugs, Scraping Endpoints of API, Backend Calls, Desktop Apps, PyQT5, Tkinter, Integrating AI, Excel, CSV, JSON, Google Sheets API, Apify API, Automation of Emails, Pygame, Telegram Mini Apps, Scraping from YouTube, Scraping from TikTok, YouTube API, Docker, OpenAI API, WooCommerce API, Zillow, Hipcamp, Campspot, Selenium Driver, Web Analyzer, Backend, Automation, Google Cloud, Telegram Mini App, AI chatbot, integrating payment, React and FastAPI

⚡ Python Automation Engineer who turns chaos into seamless workflows. 🚀 From web scraping to AI-powered pipelines, I build systems that save time, money, and sanity. I help companies reclaim time, cut costs, and streamline operations by turning messy processes into seamless automation pipelines. With expertise spanning Python, Django, FastAPI, Celery, and Docker, I architect backend systems that scale effortlessly while integrating with modern cloud platforms like AWS, Google Cloud, and Hetzner. 💡 What sets me apart? Master of automation & web scraping: from Playwright and Selenium to Scrapy and BeautifulSoup, I build bots that extract, transform, and deliver critical data with precision. Builder of data-driven systems: leveraging PostgreSQL, MySQL, Redis, and MongoDB, I ensure data flows reliably across distributed environments. Pioneer of AI-assisted workflows: integrating GPT-4, Stable Diffusion, and ML frameworks (PyTorch, TensorFlow) into pipelines that go beyond routine automation. Problem solver for legacy systems: I refactor old codebases into modern, maintainable, and performance-optimized platforms. 🔑 Whether it’s workflow automation, data engineering, or AI-powered backend development, I deliver resilient, production-ready solutions that make life easier for teams and businesses.