Simaila B.

Top Rated Plus · 100% Job Success · 11 Years Full-Stack Development I'm a full-stack developer with deep specialisation in Ruby on Rails and Sharetribe marketplace builds. I handle everything — backend logic, frontend UI, database design, payments, and deployment — so you work with one person, not a team of strangers. My strongest area: Sharetribe Marketplaces I build and customise Sharetribe Flex and Extend platforms end-to-end. Custom transaction processes, booking engines, Stripe Connect split payments, operator tooling, and React frontends built inside the Web Template without breaking the platform. With 100% Job Success and $60K+ in delivered projects, I help businesses build, launch, and scale production-grade web applications. Whether you need a Sharetribe marketplace customized, a Shopify store built from scratch, an MVP launched fast, or a complex Rails application maintained and scaled — I deliver clean, production-ready code with reliable deployments. 🔧 What I Build: • Sharetribe Flex & Go — Custom marketplace development, transaction flows, payment integrations, and platform customizations • Shopify — Custom Liquid themes, private/public apps, GraphQL & REST API integrations, headless commerce • Ruby on Rails Applications — SaaS platforms, APIs, admin dashboards, multi-tenant systems, e-commerce • React.js & Vue.js Frontends — SPAs, interactive dashboards, Hotwire/Turbo integration • Flutter Mobile Apps — Cross-platform iOS & Android applications • DevOps & Cloud — Docker, CI/CD pipelines, AWS, Oracle Cloud, zero-downtime deployments ⚙️ Core Technical Skills: • Ruby on Rails 5–7 (Expert) — ActiveRecord, Sidekiq, Redis, ActionCable, Hotwire • PostgreSQL — Query optimization, database design, performance tuning, Supabase • React.js, Vue.js, JavaScript/TypeScript, Node.js, React.js • Shopify Liquid, Shopify APIs (GraphQL & REST), Shopify App Development • Sharetribe Flex SDK, Sharetribe Go Customization • REST & GraphQL API Development • Stripe, PayPal, and payment gateway integrations • Docker, AWS (EC2, S3, RDS), Heroku, CI/CD, Nginx, Puma • Decidim open-source platform customization • Git, RSpec/Minitest, TDD 🏗️ Specialized Experience: • Sharetribe two-sided marketplace development & customization • Shopify custom theme and app development • SaaS & multi-tenant application architecture • Legacy Rails upgrade (Rails 4/5 → Rails 7) • API integrations and third-party service automation • Performance optimization — slow query fixes, caching, background jobs • Full DevOps — server setup, deployment automation, monitoring ✅ Why Clients Choose Me: • Top Rated Plus — Top 3% on Upwork • 100% Job Success Score — Every client satisfied • $60K+ delivered on Upwork with excellent reviews • Full-stack ownership — I handle frontend, backend, database, and deployment. No coordination overhead • Fast turnaround — Available 30+ hrs/week, 0-4 hour response time • Clean, maintainable code — Tested, documented, built for production from day one 💬 Ready to start? If you need a Sharetribe marketplace customized, a Shopify store built, an MVP launched, or a Rails application fixed and scaled — invite me to your project or message me directly. Free consultation for all new clients.