🚀 BOOK YOUR FREE 30-MINUTE CONSULTATION CALL TODAY! Senior Full-Stack Engineer with 4+ years shipping production SaaS apps 🔹 Back-end first: Ruby on Rails (5,6,7,8), Django 5, PostgreSQL, Redis 🔹 Front-end ready: React 18, Next.js 14, TypeScript, Tailwind CSS 🔹 Mobile development: Android (Kotlin, Jetpack Compose) + API-driven app architecture 🔹 Integrations & APIs: Sage Intacct (REST & XML), Stripe, third-party SaaS platforms 🔹 Cloud & DevOps: Docker, AWS, Vercel, CI/CD, zero-downtime deployments 🔹 AI-ready: OpenAI integrations, embeddings (pgvector), automation workflows 💼 I specialize in: Building scalable SaaS applications from scratch (MVP → production) Developing Android apps connected to robust backends & APIs Financial system integrations (Sage Intacct, billing, invoicing workflows) Secure API design and third-party integrations Background job processing & data synchronization Clean architecture and maintainable codebases Whether you need a quick bug fix, a new API, a complex integration, a mobile app, or a full product build— I deliver clean code, clear communication, and on-time results. 🚀 Let’s turn your idea into: “It’s live!”

Senior Full Stack & AI Engineer helping startups turn AI ideas into production-ready products. I work with founders building SaaS platforms, AI copilots, automation systems, and LLM-powered workflows that need to actually work in the real world — not just look good in demos. Over the past years, I’ve helped design and ship systems involving: • AI assistants & multi-agent workflows • RAG pipelines with pgvector / vector search • Automation & orchestration systems • SaaS platforms with real users and scaling needs • Backend-heavy architectures with Rails & FastAPI • React / React Native applications • AI integrations using OpenAI, Anthropic, LangChain, and modern tooling What clients usually value most about working with me: • Strong product thinking, not just coding • Ability to move fast in ambiguous startup environments • Clear communication with founders & product teams • Focus on maintainable architecture and long-term scalability • End-to-end ownership from idea → production Tech stack includes: Ruby on Rails, FastAPI, React, React Native, PostgreSQL, Supabase, Sidekiq, Celery, Redis, LangChain, OpenAI APIs, vector databases, AWS, Docker, and modern AI infrastructure. If you’re building an AI-powered product and need someone who can combine engineering, architecture, and product execution — let’s talk.

Is your Ruby on Rails app slow, buggy, or stuck on a version you're afraid to upgrade? That's exactly what I fix. I'm a Senior Ruby on Rails Developer with 15 years of experience, $100K+ earned on Upwork, a 100% Job Success Score, and Top Rated status. I rescue, modernize, and scale Ruby on Rails applications — without breaking what already works. What I deliver for clients: - Rails version upgrades (Rails 4/5 to 6/7/8) with zero downtime and full test coverage — including legacy migrations like Paperclip to ActiveStorage - Performance optimization — up to 40% speed gains on production systems through query tuning, caching, and background jobs - Legacy & undocumented codebases stabilized by a senior hand, with RSpec/Capybara coverage so you can ship with confidence - SaaS backends from MVP to production-grade (Ruby on Rails, PostgreSQL, Sidekiq, Redis, Heroku, Docker) - Rails APIs integrated with React / Next.js frontends and third-party services (Stripe, PagerDuty, StatusPage, OpenAI) Proof it works: - Rebuilt StatusGator's Rails platform over 2 years — became their most prolific contributor (2,000+ hours, $60K+). "He ended up becoming the most prolific contributor to our project." — Colin B., StatusGator - Upgraded a client's app from Rails 4 + Paperclip to a modern stack — "Raza was great!" (5.0 stars) - 21+ completed jobs, the majority rated 5.0 stars, with repeat clients spanning 1,000+ hour engagements I work full-stack across Node.js, Next.js, and React when a project needs it — with the same clean architecture and testing discipline I bring to Rails. I communicate daily, write clean tested code, and treat your product like my own. Message me with your stack and what's broken — I'll tell you within 24 hours if I can help.

🌟 Crafting top-tier websites for 10+ years 🗣️ Providing seamless English communication 📅 5000+ hours billed, delivering enterprise-grade solutions 🤝 Trusted by Fortune 500 companies for complex projects As a Senior Fullstack Engineer with over 10+ years of experience, I specialize in building robust, scalable web applications. My expertise covers both front-end and back-end development, ensuring seamless user experiences and efficient, maintainable code. **Key Skills:** - Frontend: React, Vue.js, HTML5, CSS3, JavaScript, TypeScript - Backend: Python, Ruby on Rails, Node.js - Databases: PostgreSQL, MySQL, MongoDB - Cloud Services: AWS, Heroku, DigitalOcean - DevOps: Docker, Kubernetes, CI/CD, Jenkins - Version Control: Git, GitHub, Bitbucket **What I Offer:** - End-to-end web application development using Ruby on Rails and modern frontend frameworks - Custom API development and third-party API integration - Cloud deployment and infrastructure management - Performance optimization and scalability solutions - Automated testing and continuous integration/continuous deployment (CI/CD) setup **Notable Projects:** - Developed a comprehensive project management tool using Ruby on Rails and React, facilitating team collaboration for over 200 organizations. - Created a scalable e-learning platform with user authentication, course management, and payment processing. - Implemented a robust CI/CD pipeline for a fintech startup, reducing deployment times by 60%. I am dedicated to delivering high-quality code and exceptional client service. Let’s connect to discuss how I can contribute to your next project!

I help startups, SaaS companies, and growing businesses build scalable web applications, marketplaces, and custom software products using React, Next.js, Node.js, and Ruby on Rails. Over the past 6+ years, I've developed and maintained production systems across healthcare, logistics, property management, eCommerce, and subscription-based SaaS platforms, helping businesses launch new products, improve operational efficiency, and scale existing applications. Whether you're building an MVP, modernizing an existing platform, developing custom APIs, or scaling a growing product, I focus on delivering reliable, maintainable, and business-oriented solutions built for long-term growth. I specialize in building: • SaaS Platforms & Subscription-Based Applications • Marketplace & Multi-Vendor Systems • Healthcare & Booking Platforms • Logistics & Delivery Management Systems • Dashboard & Admin Panel Applications • Real-Time Applications & Notification Systems • Scalable Backend APIs & Third-Party Integrations • Startup MVPs & Product Development • Shopify Integrations & Custom eCommerce Solutions Additional Expertise: • SaaS Development • MVP Development • Custom Web Application Development • MERN Stack Development • API Development & Integrations • React Native Mobile Applications • System Architecture & Product Scaling • Performance Optimization • Cloud Infrastructure & Deployment Core Technical Expertise Frontend: • React.js • Next.js • TypeScript • Tailwind CSS • React Native Backend: • Node.js • Express.js • Ruby on Rails Databases: • PostgreSQL • MongoDB • Redis • Firebase Infrastructure & Tools: • REST APIs • GraphQL • Docker • CI/CD Pipelines • AWS • Git • Agile Development Over the years, I've contributed to and maintained complex production systems including: • Property rental and booking marketplaces • Healthcare dashboards and EHR integrations • Multi-vendor eCommerce platforms • Logistics and driver management systems • Social networking and mobile applications • Operational dashboards and workflow management platforms • Subscription-based SaaS products My development approach focuses on building scalable, maintainable, and business-oriented solutions that improve operational efficiency, support product growth, and remain stable as user demand increases. I prioritize clean architecture, backend reliability, API performance, database optimization, security, and long-term maintainability to ensure applications are built for scale from day one. Clients work with me for: • End-to-end product development ownership • Scalable and maintainable codebases • Strong technical problem-solving • Reliable communication and consistent execution • Product-focused engineering mindset • Long-term technical partnership and support Whether you need to build a new SaaS platform, launch an MVP, scale an existing application, develop custom APIs, integrate third-party services, optimize backend performance, or modernize an existing system, I can help deliver reliable and scalable solutions aligned with your business goals. Available for long-term projects, startup partnerships, ongoing development, and complex full-stack product engineering engagements.

👋 Hello! I’m Shoaib an experienced Ruby on Rails & Node.js Developer and Full-Stack Engineer with over 5+ years of expertise in building durable, scalable and efficient web applications. 💻 I specialize in Ruby on Rails and Node.js, delivering high-quality, maintainable code across sectors such as public transport, fintech, e-commerce and email marketing etc. My full-stack skills, including frontend development with ReactJS, ensure smooth, responsive user experiences. 🚀 I’ve successfully built and deployed projects on platforms like AWS, Heroku, and Azure, and I’m passionate about crafting reliable, user-focused digital solutions. Let’s collaborate to bring your project to life efficiently, cleanly and excellently. I’m excited to contribute to your success! 🛠️ Development Skills & Expertise 🧠 Frameworks: Ruby on Rails, Hotwire, ReactJS, jQuery, Bootstrap, Tailwind CSS, Node.js, Next.js, Nuxt.js 📝 Languages: YAML, Ruby, JavaScript, TypeScript, jQuery, Stimulus.js, HTML, CSS, SCSS 🗄️ Databases: PostgreSQL, MySQL, MongoDB, Redis 🧰 Tools & Utilities: Webpack, Babel, Postman, Agentic AI, Warp, Nginx, Nokogiri ☁️ Cloud Platforms: Heroku, AWS, Azure 🐳 Containerization: Docker, Kubernetes 🔁 CI/CD: GitHub Actions 🔌 API Development: RESTful APIs, GraphQL, ActiveMQ, WebSocket ⚙️ Background Jobs & Testing: Sidekiq, ActiveJob, Redis, RSpec 🔐 Version Control: Git, GitHub, Bitbucket 📦 3rd Party Integrations: Stripe, SendGrid, eBay API, Google API, DHL API, and more 💡 Looking to transform your web project? Let’s collaborate and bring your idea to life with performance, clarity, and care! 🚀

I’m a results-driven full-stack developer with 5+ years of experience crafting dynamic, client-focused web applications. I thrive on solving complex challenges and turning ideas into reality. Here’s why clients choose me: ⭐ Skills and Experience ✅ Full-stack expertise: Proficient in JavaScript, React, Ruby on Rails, and TypeScript, with a focus on building user-friendly, responsive, and scalable applications.
 ✅ Proven track record: Delivered 10+ successful projects, including e-commerce platforms, microservices, and API integrations, boosting client metrics like user engagement by 20% and site traffic by 25%.
 ✅ Code quality advocate: Conducted 100+ code reviews at Microverse, ensuring adherence to best practices and maintainability.
 ✅ Remote collaboration specialist: Skilled in remote pair-programming, Git workflows, and cross-cultural teamwork, with experience spanning U.S., Ghana, and global teams.
 ✅ Client-first mindset: Deeply understand your needs, deliver on time, and prioritize solutions that drive your business forward. ⭐ Here’s What I Bring to Your Project ✅ End-to-end development: Build robust frontends (React, Redux, TypeScript) and scalable backends (Ruby on Rails, PostgreSQL) with seamless API integrations (e.g., Giphy API).
 ✅ Performance optimization: Reduced processing time by 30% for microservices using Docker, Kubernetes, and RabbitMQ.
 ✅ Secure & reliable systems: Designed authentication systems, implemented TDD with RSpec, and ensured code integrity through Rubocop and Jest.
 ✅ Responsive & modern UIs: Expertise in mobile-first design, Redux state management, and tools like Vite for fast, testable applications.
 ✅ Smooth deployments: Proficient with CI/CD pipelines, Heroku, Netlify, and Git workflows for automated, error-free launches.
 ✅ 24/7 communication: Transparent updates, ultra-responsive collaboration, and a commitment to keeping you informed at every stage. ⭐ Why Choose Me Over Others? ✅ Over-delivery mindset: Clients consistently describe my work as “WOW” (e.g., restaurant portal streamlining onboarding, e-commerce apps with 25% traffic growth).
 ✅ Resilient problem-solver: Tackled critical bugs for Techspotdev, enabling seamless API integrations and client success.
 ✅ Kindness & professionalism: Empathetic communicator with a focus on respect, mentorship, and fostering long-term partnerships.
 ✅ Reliability: 100% on-time delivery across 5+ years of remote projects. Reach out to past clients—they’ll vouch for my dedication! Let’s build something amazing together. I’m here to ensure your project not only meets but exceeds expectations. 📩 Reach out today to discuss how I can add value to your business!

Over the last 10+ years, I have been professionally working as a full stack web developer in software industries. I have strong professional working experience in Ruby On Rails, ReactJS, User Interface, PostgreSQL, MySQL databases. I am enthusiastic on UI/UX, front-end design and I foresee developer's mind while I write HTML/CSS. Converting PSD to HTML and making it cross browser compatibility is my fun. I am craftsman on designing responsive web sites using twitter bootstrap. I am also very strong at frontend technologies including ReactJS, AngularJS, Bootstrap, jQuery, Ajax, bootstrap and CSS3. Working in a team in Agile(Kanban,Scrum),creating Pull Request for different git branches and continuous integration via Codeship are the daily jobs these days. I always prefer to work in a team and I love long term relationship. I am dedicated, honest and committed to my promise. Beside these, I worked with PHP frameworks including Drupal, Laravel, Wordpress, Joomla.

I discovered my passion for programming and design at a young age, when I first started experimenting with PhotoFilter and Photoshop. From there, my curiosity led me to delve deeper into the world of coding and website development. I began by tinkering with forum scripts, and as I encountered challenges and issues, I found myself increasingly drawn to solving them. This led me to where I am now, fully immersed in the field of software development and project management, constantly striving to improve my skills and knowledge. My journey in this field is ongoing and I am excited to continue to learn and grow in my career.

Struggling to scale your web application, integrate complex APIs, or build a reliable SaaS product? I help businesses build fast, scalable, and secure web applications using Ruby on Rails, React, and AWS. I'm a Full-Stack Web Developer with 7+ years of experience building production systems for startups and growing companies. I specialize in Ruby on Rails backend development, API integrations, SaaS platforms, and scalable cloud infrastructure. Over the years I have helped clients: ✔ Build and scale production SaaS platforms used by thousands of users ✔ Integrate 20+ third-party APIs including Stripe, PayPal, Twilio, Plaid, Google Maps, and many global payment systems ✔ Develop high-performance e-commerce and booking platforms ✔ Deploy reliable cloud infrastructure using AWS, Docker, and VPS environments ✔ Improve development speed and product quality using modern tooling and AI-assisted workflows What I Can Help You With Backend Development - Ruby on Rails (Rails 3.x – 8.x) - REST APIs & microservices - Authentication systems (Devise, Authlogic) - Supabase and Firebase - Scalable database design Frontend Development - React.js, Redux - Vue.js, jQuery - Responsive UI (Tailwind, Bootstrap, Semantic UI) API Integrations - Payment gateways: Stripe, PayPal, Klarna, Bread - Financial APIs: Plaid, Dwolla, CommerzBank - Messaging: Twilio - Maps & location: Google Maps, Leaflet - Automation tools: Zapier, Playwright - Many other custom APIs Infrastructure & DevOps - AWS (EC2, S3, RDS, SES, Lambda, Route53) - Docker containerization - Deployment with Capistrano & Mina - VPS environments (AWS, DigitalOcean, Vultr) - Hosting with Netlify & Vercel Performance & Search - Elasticsearch - Solr - Algolia Search Background Processing - Sidekiq - Resque - Redis - DelayedJob - ActiveJob Databases - PostgreSQL - MySQL - SQLite - MongoDB Technologies I Work With - Ruby • Ruby on Rails • React • Vue • Java • Python • Rust • Go • Haskell • PHP - PostgreSQL • MySQL • MongoDB • SQLite - Docker • AWS • Git - Tailwind CSS • Bootstrap • Webpack • Semantic UI I also actively use AI development tools like GitHub Copilot, Cursor, and Claude Code to improve development speed while maintaining high code quality. How I Work 1️⃣ Understand your product and business goals 2️⃣ Design scalable architecture 3️⃣ Deliver clean, tested, maintainable code 4️⃣ Communicate clearly throughout development Clients appreciate that I dig deep into problems and deliver reliable solutions rather than quick hacks. Why Clients Work With Me ✔ 7+ years of professional development experience ✔ 100% Job Success Score on Upwork ✔ Strong experience with complex API integrations ✔ Reliable communication and long-term collaboration mindset 📩 If you’re building or improving a SaaS product, web platform, or API-driven application, feel free to invite me to your job or send a message. I’d be happy to discuss your project.