Salman Z.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗙𝗿𝗲𝗲𝗹𝗮𝗻𝗰𝗲𝗿 𝘄𝗶𝘁𝗵 11+ 𝘆𝗲𝗮𝗿𝘀 𝗼𝗳 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 building, maintaining, scaling production applications, SaaS platforms, APIs, & business automation systems. I’m experienced in working with existing codebases, building new features, improving performance, integrating third-party services, and taking applications from development through production. 🔹 𝐖𝐡𝐚𝐭 𝐈 𝐃𝐨 𝐁𝐞𝐬𝐭 ✔ Build & maintain scalable Ruby on Rails, Python applications, backend systems & SaaS platforms ✔ Build responsive React.js/Node frontends & integrate them with REST APIs/FAST APIs ✔ Design & optimize PostgreSQL databases, queries, and data models ✔ Deploy and manage production applications on AWS, Azure ✔ Integrate Stripe, PayPal, Twilio, Google APIs, Zoom, and other third-party services ✔ Develop AI-powered applications, agents, RAG systems, and automation workflows 🔹 𝐍𝐨𝐭𝐚𝐛𝐥𝐞 𝐏𝐫𝐨𝐣𝐞𝐜𝐭𝐬 & 𝐈𝐦𝐩𝐚𝐜𝐭 ✔ Built & maintained enterprise SaaS applications with Ruby on Rails, React, PostgreSQL, and AWS. ✔ Built AI Operations Copilot used by 120+ enterprise users for conversational access. ✔ Developed AI Recruitment Platform managing 150+ records with automated HR workflows. ✔ Created AI-powered Procurement & Inventory System (Python, FastAPI, React, & PostgreSQL) ✔ Delivered customer support automation using Python, FastAPI, PostgreSQL, Redis, Gmail APIs, & LLM agents. 🔹 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤 ✔ Backend: Ruby on Rails, Python, SQL, FastAPI, Django, Node.js ✔ Frontend: React.js, React Native, JavaScript, jQuery, HTML5, CSS3 ✔ Databases: PostgreSQL, MySQL, MongoDB ✔ Cloud: AWS, Azure ✔ DevOps: Docker, GitHub Actions, CI/CD ✔ Background Jobs: Sidekiq, Redis ✔ APIs & Integrations: REST, GraphQL, Stripe, PayPal, Twilio, Google APIs, Zoom APIs, etc ✔ AI: OpenAI, Claude, Gemini, LangChain, RAG, AI Agents, Vector Databases #𝗥𝘂𝗯𝘆𝗼𝗻𝗥𝗮𝗶𝗹𝘀 #𝗣𝘆𝘁𝗵𝗼𝗻 #𝗣𝗼𝘀𝘁𝗴𝗿𝗲𝘀 #𝗦𝗤𝗟 #𝗥𝗲𝗮𝗰𝘁 #𝗔𝘇𝘂𝗿𝗲 #𝗔𝗪𝗦 #𝗥𝗲𝗮𝗰𝘁.𝗷𝘀 #𝗝𝗮𝘃𝗮𝘀𝗰𝗿𝗶𝗽𝘁 #𝗦𝗮𝗮𝗦 #𝗕𝗮𝗰𝗸𝗲𝗻𝗱𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 #𝗔𝗜𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗶𝗼𝗻 #𝗔𝗜𝗖𝗵𝗮𝘁𝗯𝗼𝘁𝘀 #𝗔𝗜𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 #𝗥𝗘𝗦𝗧𝗔𝗣𝗜𝘀 #𝗙𝗔𝗦𝗧𝗔𝗣𝗜𝘀 #𝗙𝘂𝗹𝗹𝗦𝘁𝗮𝗰𝗸𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁