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Reliable Developer. Clean Solutions Full Stack Developer & Data Engineer (3+ Years) Specialized in Python, Ruby on Rails, AI Automation & Scalable Data Systems I build systems that: ✔ Work reliably ✔ Scale properly ✔ Save time & reduce manual effort 💡 What I Deliver 🔹 Python & Automation • ETL pipelines & data processing • API integrations (OpenAI, Gemini, third-party APIs) • ML model integration • Automation scripts & backend systems 🔹 Ruby on Rails • SaaS applications • REST APIs & dashboards • Spree eCommerce customization • Performance optimization 🔹 Data Engineering • Clean, structured data pipelines • Large CSV/Excel processing • Background jobs & workflow automation • NLP & text extraction systems 🔹 Web Scraping • High-performance scrapers • Google Maps & eCommerce data extraction • Monitoring & automation bots 🛠 Core Stack Languages: Python, Ruby, JavaScript Frameworks: Rails 7, Hotwire, Turbo Data: Pandas, NumPy, Scikit-learn Databases: PostgreSQL, MySQL, Redis Cloud: AWS, Heroku, Docker 🤝 Why Clients Choose Me • Business-focused engineering • Production-ready, maintainable code • Clear communication • On-time delivery • Long-term thinking (not quick hacks) 📩 Let’s build something scalable, efficient, and future-proof. Quality over shortcuts — always.

👋 Hello! I’m Nabeel, a passionate and experienced Full Stack Ruby on Rails Developer with 🔥 6 years of professional experience in the software industry. In 6 years, I develop more than 🔥 5 Full stack applications. 🎯 What I Offer: 💎 Quality Code: Meticulously crafted, maintainable, and efficient. 🛠 Full Stack Expertise: Proficient from front to back and everything in between. 🚀 Proven Performance: A history of on-time, on-budget, and high-satisfaction delivery. 🌟 Extra Mile Commitment: I don't just code; I invest in your success. 🔧 Technical Skills: ✅ Front-end: React, Angular, Vue, HTML5, CSS3, JavaScript (ES6+), jQuery ✅ Back-end: Node.js, Django, Ruby on Rails ✅ Database Management: MySQL, PostgreSQL, MongoDB ✅ Version Control: Git, GitHub, GitLab ✅ DevOps: Docker, CI/CD, AWS, Heroku ✅ Mobile App: Flutter ✅ Others: GraphQL, RESTful APIs, Webpack, Responsive Design 🛑 Why I Might Be The Right Fit: 👉 Dedication to Quality: I write clean and efficient code that meets best practices. 👉 Punctuality: I respect deadlines and strive to deliver every project on schedule. 👉 Strong Communication: Fluent in English, I believe in keeping clients in the loop at every stage of a project. 👉 Client-Centric: Your satisfaction is my top priority, and I am always ready to go the extra mile to meet your needs. 🎯 Let’s Connect: I am always eager to take on new and challenging projects. Contact me to discuss how I can help you achieve your goals effectively and efficiently. Thank you for considering my profile. Looking forward to potentially working together!

I build production-grade SaaS platforms, AI-integrated products, and business automation systems for founders and CTOs who need an engineering partner, not a task executor. Over 10+ years, 192+ completed projects, and 22,000+ hours delivered on this platform, spanning Python, Node.js, Shopify, and WordPress with an AI-native approach to full stack development, Claude, Codex, Cursor, and similar AI-native development tools are part of my daily development workflow, I use them to move faster without cutting corners on architecture or code quality. 𝗪𝗵𝗮𝘁 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿 ✔ AI Integration & RAG Systems OpenAI and Claude API integration with proper prompt engineering, Retrieval-Augmented Generation (RAG) pipelines with vector search, and AI agent workflows for multi-step task automation. ✔ Backend & SaaS Development Production-grade backends built primarily in Python (FastAPI, Flask, Django), with Ruby on Rails and Elixir/Phoenix when a client's existing codebase or team calls for it. I design APIs for real production load, authentication, async processing, clean data models. ✔ Frontend & Mobile React, Next.js, and React Native apps with real-time features, clean state management, and interfaces built to scale with the product, not just the demo. ✔ E-Commerce Development (Shopify & WordPress) Custom Shopify apps and themes, WordPress/WooCommerce builds, storefronts, plugins, checkout flows plus AI-driven features like product recommendation engines and support chat assistants, and N8N automation that keeps stores running without manual upkeep. ✔ Automation & Data Engineering Process automation built in N8N and Zapier that removes manual steps from a client's workflow, Python-based ETL pipelines and data acquisition systems that turn scattered information into structured, usable business intelligence, and custom Chrome extensions for data capture and workflow tools, shipped and used in production 𝗣𝗿𝗼𝘃𝗲𝗻 𝗥𝗲𝘀𝘂𝗹𝘁𝘀 𝗘𝘂𝗸𝗮 𝗔𝗜 - AI-powered CRM for social commerce. Built core platform features including dashboard workflows, creator discovery and outreach automation, campaign management, and API integrations. 𝗖𝗼𝗻𝘁𝗲𝗻𝘁𝗗𝗿𝗮𝗳𝘁𝗲𝗿 - AI SaaS platform for automated content generation with subscription-based access. Built the AI integration layer, prompt workflow system, authentication, and scalable backend APIs. 𝗢𝗽𝘁𝗶𝗺𝗮 𝗖𝗥𝗠 - Custom CRM for sales pipeline and customer management. Delivered dashboards, lead management, role-based access control, and reporting end to end. 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸 𝗔𝗜 & 𝗟𝗟𝗠: OpenAI API, Claude API, Gemini, Mistral, LangChain, LlamaIndex, RAG, AI Agents, Prompt Engineering, Function Calling, Tool Calling, Embeddings, Vector Search, Pinecone, AI Automation 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗔𝗣𝗜: Python, FastAPI, Django, Flask, Node.js, Express.js, REST APIs, GraphQL, Webhooks, Async Processing, Background Jobs, Authentication, 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱: React, Next.js, TypeScript, JavaScript, React Native, Tailwind CSS, Real-Time Applications 𝗦𝗮𝗮𝗦 & 𝗣𝗿𝗼𝗱𝘂𝗰𝘁 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁: SaaS Development, SaaS Architecture, Multi-Tenant Architecture, Subscription Systems, Stripe, Admin Dashboards, User Management, Role-Based Access, API Integrations, Third-Party Integrations 𝗘-𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲: 𝗦𝗵𝗼𝗽𝗶𝗳𝘆, Shopify Plus, Shopify Apps, Shopify API, Shopify Admin API, Shopify Storefront API, Liquid, Custom Shopify Themes, WooCommerce, WordPress, Elementor, WordPress Plugins, Checkout Customization 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 & 𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀: n8n, Zapier, Make, Workflow Automation. Databases & Cloud: PostgreSQL, MySQL, MongoDB, Redis, Firebase, Supabase, AWS, GCP,Docker Data & Web Automation: Selenium, Playwright, Scrapy, Web Scraping, Data Extraction, ETL Pipelines, Data Acquisition, Chrome Extensions Development & AI-Native Tools: Claude Code, Cursor, OpenAI Codex, Git, GitHub, CI/CD, Code Review, AI-Assisted Development 𝗛𝗼𝘄 𝗜 𝗪𝗼𝗿𝗸 I start by understanding the business problem before touching the stack, what the automation needs to solve, what the AI feature needs to do for the user, what "done" looks like for what you're building. I scope clearly, flag risks early, and build for where your product is going in six months, not just this week's ticket. 𝗪𝗵𝘆 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗛𝗶𝗿𝗲 𝗠𝗲 Clients consistently cite fast communication, daily progress updates, and code that doesn't need a second developer to fix it later. On more than one project, I've flagged a requested feature that would have caused problems at scale and proposed an alternative before writing a line of code. 𝗟𝗲𝘁'𝘀 𝗕𝘂𝗶𝗹𝗱 If you need an engineer who can integrate AI meaningfully (including RAG-based systems), automate a workflow with N8N, or build your product end to end, on Python, WordPress, Shopify, React Native, or Rails - let's talk about what you're building.

I build and ship full-stack products across web and mobile, from Rails and Go backends to React Native apps and Next.js frontends, deployed on AWS. Over the past several years I've worked across SaaS platforms, insurance/fintech systems, ecommerce backends, and API-heavy integrations. I'm comfortable owning a feature end-to-end: API design, business logic, background jobs, third-party integrations, and the frontend that ties it together. What I typically help clients with: - Backend APIs in Ruby on Rails or Go (REST, auth, background jobs, webhooks) - React Native mobile apps (cross-platform, API-connected) - Next.js web applications (SSR, dashboards, customer portals) - Third-party integrations (payments, insurance APIs, data pipelines) - AWS infrastructure (EC2, RDS, Redis, deployment pipelines) I work best on projects where there's real complexity, not just CRUD and where you need someone who can think through the architecture, not just execute tickets. If you have a project that needs a reliable engineer who can work across the full stack, feel free to reach out. I'm straightforward to work with and focused on delivering real results.

⭐⭐ Top Rated Freelancer ⭐⭐ I am an enthusiastic and motivated web developer with industry experience of building websites and web applications. I specialize in Ruby on Rails, Php Laravel and have professional experience working with React JS, JavaScript, J Query. I've strong knowledge of Object Oriented Programming and have developed a variety of different websites. I am always open to new challenges. Below are the skills that I've developed during my stay in industry: Ruby | Ruby on Rails | ReactJS | Laravel | OOP | AWS EC2 | Amazon S3 | Amazon RDS | SQL | Database Systems | Git | Html 5 | css3 | bootstrap | javascript | Jquery | Ajax | mysql | postgresql | sql server Other: Basic Android Development, NodeJS Now I've shifted to upwork and have earned a Top Rated Plus Badge on upwork through my hardwork and motivation, I am looking forward to express my skills here and serve my clients with the best of my ability

• 5+ years of full-stack experience with Rails, React.js, and Next.js • Delivered SaaS platforms, dashboards, automation tools, and custom APIs • Skilled in web scraping, file parsing (.xml, .txt, .csv, .pdf), and AI-powered systems • Built interactive charts, tables, and data visualizations for real business insight • Certified RoR + React developer with 100% 5-star feedback from long-term clients I’m 𝐀𝐡𝐦𝐚𝐝 𝐇𝐚𝐦𝐳𝐚, a full-stack developer with 5+ years of experience building production-ready web applications using Ruby on Rails and React/Next.js. I work end-to-end—from designing backend architecture to building polished, responsive frontends. I’ve led projects involving multi-tenant SaaS, REST APIs, scraping pipelines, and dashboards powered by dynamic data tables and charts. Moreover, I’ve integrated OpenAI, Anthropic, and DeepSeek APIs into client platforms to automate operations and deliver smart workflows. My delivery always includes test coverage, Git-based version control, clean commits, and a long-term maintainable codebase. Whether you’re starting from scratch or improving an existing system, I can take full ownership across backend, frontend, and deployment. 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬: Ruby on Rails, Next.js, React.js, Tailwind, Bootstrap 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞𝐬 & 𝐓𝐞𝐜𝐡: Ruby, JavaScript, TypeScript, Python, SQL, HTML, CSS 𝐅𝐫𝐨𝐧𝐭𝐞𝐧𝐝: TypeScript, Tailwind, form logic, component libraries, REST integration 𝐁𝐚𝐜𝐤𝐞𝐧𝐝: Rails, Devise, Sidekiq, ActiveJob, API versioning, multi-tenant logic 𝐃𝐚𝐭𝐚 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧: • 𝐖𝐞𝐛 𝐬𝐜𝐫𝐚𝐩𝐢𝐧𝐠: Static/JS-based sites • 𝐅𝐢𝐥𝐞 𝐩𝐚𝐫𝐬𝐢𝐧𝐠: .xml, .txt, .csv, .gz, .pdf • FTP folder sync, cron jobs, automation scripts 𝐕𝐢𝐬𝐮𝐚𝐥𝐢𝐳𝐚𝐭𝐢𝐨𝐧: Data dashboards, sortable tables, interactive charts (bar, line, pie) 𝐓𝐞𝐬𝐭𝐢𝐧𝐠: RSpec, Minitest, Capybara, FactoryBot, Selenium, TDD, BDD 𝐃𝐞𝐯𝐎𝐩𝐬 & 𝐂𝐥𝐨𝐮𝐝: Docker, Kubernetes, CI/CD (GitHub Actions, GitLab), AWS (EC2, S3, SES), Heroku, Azure 𝐒𝐞𝐚𝐫𝐜𝐡 𝐋𝐢𝐛𝐫𝐚𝐫𝐢𝐞𝐬: Elasticsearch, Sphinx 𝐀𝐈 & 𝐋𝐋𝐌𝐬: OpenAI, Anthropic, DeepSeek, RAG pipelines, API fine-tuning 𝐓𝐨𝐨𝐥𝐬: GitHub, GitLab, Jira, Slack, Zoom, Skype, VS Code, RubyMine 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬: SaaS, Fintech, Real Estate, HealthTech, Hospitality, eCommerce, EdTech, Logistics, Disaster Management Need a full-stack developer who can ship real-world solutions, handle complex data, and build scalable apps from the ground up? Let’s connect and get started.