Aman J.

Senior Full-Stack Developer with 𝟳+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 building production-ready SaaS platforms, marketplaces, and web applications. I've delivered **20+ projects** from MVP to production. I specialize in 𝗥𝘂𝗯𝘆 𝗼𝗻 𝗥𝗮𝗶𝗹𝘀, 𝗣𝘆𝘁𝗵𝗼𝗻 (𝗗𝗷𝗮𝗻𝗴𝗼, 𝗙𝗮𝘀𝘁𝗔𝗣𝗜, 𝗙𝗹𝗮𝘀𝗸), 𝗦𝗵𝗮𝗿𝗲𝘁𝗿𝗶𝗯𝗲, 𝗥𝗲𝗮𝗰𝘁, 𝗔𝗪𝗦, 𝗮𝗻𝗱 𝗔𝗜 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻𝘀, building scalable applications, APIs, intelligent workflows, and automation solutions. 🚀 ━━━ 𝗪𝗛𝗔𝗧 𝗜 𝗕𝗨𝗜𝗟𝗗 ━━━ • Custom 𝗥𝘂𝗯𝘆 𝗼𝗻 𝗥𝗮𝗶𝗹𝘀 & 𝗣𝘆𝘁𝗵𝗼𝗻 applications (Monolith & API-first) • 𝗦𝗮𝗮𝗦 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀 with subscription billing, multi-role systems, and automation • 𝗢𝗻𝗹𝗶𝗻𝗲 𝗺𝗮𝗿𝗸𝗲𝘁𝗽𝗹𝗮𝗰𝗲𝘀 using Sharetribe Go & Sharetribe Flex • 𝗔𝗜-𝗽𝗼𝘄𝗲𝗿𝗲𝗱 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 using OpenAI APIs and modern LLM services • 𝗦𝗺𝗮𝗿𝘁 𝘀𝗲𝗮𝗿𝗰𝗵, 𝗔𝗜 𝗮𝘀𝘀𝗶𝘀𝘁𝗮𝗻𝘁𝘀, 𝗱𝗼𝗰𝘂𝗺𝗲𝗻𝘁 𝗽𝗿𝗼𝗰𝗲𝘀𝘀𝗶𝗻𝗴 & 𝘄𝗼𝗿𝗸𝗳𝗹𝗼𝘄 𝗮𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 • 𝗥𝗘𝗦𝗧 𝗔𝗣𝗜𝘀 and third-party API integrations using Rails, Django & FastAPI • 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀 frontends with responsive, modern UI • 𝗔𝗪𝗦 𝗱𝗲𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁𝘀 with secure and scalable infrastructure ⭐ ━━━ 𝗪𝗛𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗪𝗢𝗥𝗞 𝗪𝗜𝗧𝗛 𝗠𝗘 ━━━ ✓ 𝟳+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗳𝘂𝗹𝗹-𝘀𝘁𝗮𝗰𝗸 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 with Ruby on Rails & Python, delivering reliable and maintainable applications ✓ 𝗦𝗵𝗮𝗿𝗲𝘁𝗿𝗶𝗯𝗲 𝗺𝗮𝗿𝗸𝗲𝘁𝗽𝗹𝗮𝗰𝗲 𝗲𝘅𝗽𝗲𝗿𝘁 with custom workflows, Stripe Connect, bookings, messaging, subscriptions, and advanced search ✓ 𝗔𝗜 𝗶𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 𝗲𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 for chatbots, intelligent search, content generation, document processing, and business automation ✓ 𝗘𝗻𝗱-𝘁𝗼-𝗲𝗻𝗱 𝗼𝘄𝗻𝗲𝗿𝘀𝗵𝗶𝗽 — from architecture and development to AWS deployment and long-term maintenance ✓ 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲-𝗳𝗼𝗰𝘂𝘀𝗲𝗱 𝗲𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 with clean code, optimized databases, background jobs, caching, and scalable architecture ✓ 𝗖𝗹𝗲𝗮𝗿 𝗰𝗼𝗺𝗺𝘂𝗻𝗶𝗰𝗮𝘁𝗶𝗼𝗻 with regular updates, dependable delivery, and long-term support 💼 ━━━ 𝗥𝗘𝗖𝗘𝗡𝗧 𝗣𝗥𝗢𝗝𝗘𝗖𝗧 𝗘𝗫𝗣𝗘𝗥𝗜𝗘𝗡𝗖𝗘 ━━━ • Built and customized multiple 𝗦𝗵𝗮𝗿𝗲𝘁𝗿𝗶𝗯𝗲 𝗺𝗮𝗿𝗸𝗲𝘁𝗽𝗹𝗮𝗰𝗲𝘀 with custom transaction processes, 𝗦𝘁𝗿𝗶𝗽𝗲 𝗖𝗼𝗻𝗻𝗲𝗰𝘁, subscriptions, messaging, booking flows, advanced search, and role-based dashboards • Developed a 𝗽𝗿𝗼𝗰𝘂𝗿𝗲𝗺𝗲𝗻𝘁 𝗰𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗶𝗼𝗻 𝗺𝗮𝗿𝗸𝗲𝘁𝗽𝗹𝗮𝗰𝗲 enabling real estate companies and suppliers to negotiate, collaborate, and manage procurement workflows using 𝗥𝘂𝗯𝘆 𝗼𝗻 𝗥𝗮𝗶𝗹𝘀, 𝗥𝗲𝗮𝗰𝘁, 𝗘𝗹𝗮𝘀𝘁𝗶𝗰𝘀𝗲𝗮𝗿𝗰𝗵, 𝗦𝗶𝗱𝗲𝗸𝗶𝗾, 𝗥𝗲𝗱𝗶𝘀 & 𝗞𝗮𝗳𝗸𝗮 • Developed and maintained 𝗦𝗮𝗮𝗦 𝗽𝗹𝗮𝘁𝗳𝗼𝗿𝗺𝘀 featuring subscription management, payment processing, REST APIs, background jobs, and third-party integrations • Integrated 𝗔𝗜-𝗽𝗼𝘄𝗲𝗿𝗲𝗱 𝗳𝗲𝗮𝘁𝘂𝗿𝗲𝘀 including conversational assistants, automated content generation, intelligent workflows, and document processing • Deployed and maintained 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 𝗼𝗻 𝗔𝗪𝗦 with Nginx, Passenger, SSL, automated backups, monitoring, and performance optimization 🛠️ ━━━ 𝗧𝗘𝗖𝗛𝗡𝗢𝗟𝗢𝗚𝗬 𝗦𝗧𝗔𝗖𝗞 ━━━ 💎 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 Ruby • Ruby on Rails • Python • Django • FastAPI • Flask • REST APIs • PostgreSQL • MySQL • Redis • Sidekiq • Delayed Job • ActiveAdmin 🎨 𝗙𝗿𝗼𝗻𝘁𝗲𝗻𝗱 React.js • JavaScript (ES6+) • HTML5 • CSS3 • SCSS • Bootstrap • Tailwind CSS • jQuery 🏪 𝗠𝗮𝗿𝗸𝗲𝘁𝗽𝗹𝗮𝗰𝗲 Sharetribe Go • Sharetribe Flex • Stripe Connect • Booking Systems • Custom Transaction Processes • Subscription Platforms 🤖 𝗔𝗜 OpenAI API • LLM Integrations • AI Chatbots • Prompt Engineering • Content Generation • Workflow Automation • AI-powered Search ☁️ 𝗖𝗹𝗼𝘂𝗱 & 𝗗𝗲𝘃𝗢𝗽𝘀 AWS (EC2, RDS, S3, CloudFront, SES) • DigitalOcean • Nginx • Passenger • Docker • Git • Linux Server Administration • CI/CD 📈 𝗧𝗲𝘀𝘁𝗶𝗻𝗴 & 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 RSpec • PyTest • Performance Optimization • Database Optimization • Caching • Security Best Practices Let's Build Something Great Whether you're launching a new marketplace or SaaS product, scaling a Rails/Python application, integrating AI, or modernizing your infrastructure, I can help you build a reliable, scalable, and production-ready solution. 𝗟𝗲𝘁'𝘀 𝘁𝘂𝗿𝗻 𝘆𝗼𝘂𝗿 𝗶𝗱𝗲𝗮 𝗶𝗻𝘁𝗼 𝗮 𝗽𝗿𝗼𝗱𝘂𝗰𝘁 𝘁𝗵𝗮𝘁'𝘀 𝗿𝗲𝗮𝗱𝘆 𝘁𝗼 𝗴𝗿𝗼𝘄. 📩 Send me a message — happy to discuss your project!