Zain A.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.

Are you looking for a highly experienced and reliable Full-Stack Developer to bring your project to life or scale your current application? With deep expertise across the entire Ruby on Rails ecosystem, modern JavaScript frameworks like Next.js and React.js, and strong DevOps knowledge, I deliver production-ready solutions with speed and precision. 🚀 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤 & 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: 🔧 𝐑𝐮𝐛𝐲 𝐨𝐧 𝐑𝐚𝐢𝐥𝐬 (𝐯𝟑 𝐭𝐨 𝐯𝟕) MVC Architecture, Controller-Based & REST APIs Gems Integration & Environment Configurations Server-Side Logic, Scalable Architecture RSpec, FactoryGirl, Shoulda, Guard – Full Unit Test Coverage 🌐 𝐅𝐫𝐨𝐧𝐭-𝐄𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 React.js, Next.js – Modern, SEO-friendly SPAs HTML, HAML, CSS, JavaScript, jQuery Responsive UI with clean and maintainable code ☁️ 𝐃𝐞𝐯𝐎𝐩𝐬 & 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭 Deployment to Heroku, AWS, CI/CD Pipelines Redis, PostgreSQL, MySQL, MS SQL ERD Diagram Design and Database Optimization 🛠️ 𝐓𝐨𝐨𝐥𝐬 & 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 HubSpot, Salesforce (SF), SendGrid, Iterable GitHub, GitLab, AWS CodeCommit Agile Tools: Jira, Trello, Asana 🖥️ 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐄𝐧𝐯𝐢𝐫𝐨𝐧𝐦𝐞𝐧𝐭 Rubymine, NetBeans, VS Code, Dreamweaver Cross-platform experience: Mac, Windows, Linux, Ubuntu ✅ 𝐖𝐡𝐲 𝐖𝐨𝐫𝐤 𝐖𝐢𝐭𝐡 𝐌𝐞? Over 12 years of hands-on development experience Clean, maintainable code following best practices Proactive communication and deadline-oriented delivery Deep understanding of system design and full-stack architecture Proven track record with startups, SMEs, and enterprise clients Let’s connect and discuss how I can help take your product to the next level. I’m ready to jump in and deliver results from day one. #Ruby on Rails developer #Rails engineer #Rails backend #Ruby developer #RESTful APIs #Rails API #Ruby on Rails consultant #Ruby on Rails expert #RoR full-stack #Ruby Gems #Rails MVC #ActiveRecord #ActionMailer #Sidekiq #Devise #Pundit #PostgreSQL with Rails #React with Rails #Next.js with Rails #Rails performance optimization #Rails codebase modernization.