Hire the Best Haml Developers

I’m a Full-Stack Developer with 10+ years of experience building high-performance, scalable web applications — specializing in Ruby on Rails and Shopify development. I’ve successfully delivered projects across eCommerce, SaaS, IoT, and real-time systems, helping businesses ship faster, scale reliably, and seamlessly integrate with third-party services. Over the years, I’ve worked with companies like Danube.sa, Tractive, and SpaceOS, leading engineering efforts to build real-time tracking systems, multi-tenant SaaS platforms, and high-volume checkout engines. My approach combines strong technical expertise with a product-focused mindset — ensuring that the solutions I deliver are both robust and aligned with business goals. Core Skills & Expertise Backend Development: Ruby on Rails, Service Objects, Interactors, Grape API, GraphQL, RESTful JSON/XML APIs Frontend Development: Hotwire, Stimulus.js, React, Vue.js, Angular, Slim, HAML, CoffeeScript, Bootstrap, SASS Databases & Search: PostgreSQL, MySQL, MongoDB, Redis, Memcache, Elasticsearch, Solr eCommerce Development: Shopify (custom apps, themes, checkout flows), Solidus/Spree, A/B Testing, Promotions Payments Integration: Stripe, PayPal, Adyen, Braintree, FirstData, Subscription Billing Real-Time Features: ActionCable, Hotwire, Turbo Streams, WebSockets, Pusher Background Processing: Sidekiq, Redis, RabbitMQ, Mailers Testing & Security: RSpec, Cucumber, MiniTest, FactoryBot, OWASP-based security practices DevOps & Infrastructure: Docker, CI/CD (GitHub Actions, Jenkins), Heroku, Capistrano, Puma, Nginx, Apache Integrations: Amazon S3, Mandrill, Mailchimp, Twilio, Google Maps, Highcharts, Web Scraping SaaS Architecture: Multi-tenant platforms (Apartment gem), Rails Engines, Headless CMS, Microservices Why clients hire me: 10+ years of hands-on development experience with proven success in Ruby on Rails and Shopify projects Strong expertise in scaling systems, API development, and complex integrations Focus on clean, maintainable code that reduces long-term technical debt A track record of delivering projects that drive measurable business results Whether you need to launch a new Shopify store, customize your eCommerce checkout flow, build a scalable SaaS platform, or integrate complex APIs, I can help you deliver a solution that’s both technically solid and business-driven.

I am Ruby on Rails developer oriented to write pure and nice back-end code (i have over 9 years of experience). I like refactor existing code and writing tests. (I have experience with Capybara, RSpec) Also I have front-end skills in ReactJS, ReactNative, Javascript, JQuery, HTML, HAML, Twitter Bootstrap and CSS. In front-end offcourse my favourite part is programming in js.

I’m Mohammed, a Senior Game Developer with 7+ years of experience delivering high-performance games and interactive experiences across Unity, Phaser, and PixiJS. I specialize in building immersive, optimized, and cross-platform games that run seamlessly on web, mobile, and VR/AR platforms. My work spans from prototype to production, focusing on gameplay systems, multiplayer features, and smooth performance across devices—including WebGL and TV hardware. ⚙️ Core Expertise 🎮 Game Development Unity (C#): 2D/3D gameplay, VR/AR experiences, physics, AI, and multiplayer using Mirror Phaser 3 & PixiJS 8: HTML5/WebGL games with custom shaders, UI systems, and responsive design WebGL optimization for low-power devices (TVs, tablets, browsers) 🧠 Backend & Systems Node.js, Express, TypeScript for multiplayer servers and APIs Databases: PostgreSQL, MongoDB, Redis, Prisma ORM, AWS RDS PlayFab integration for account management, leaderboards, and cloud saves 🌐 Deployment Web, Android, iOS, and Smart TVs AWS (EC2, CloudFront, S3), Vercel, and Netlify 💡 What I Bring Proven track record building multiplayer and educational games Strong sense for performance optimization, clean architecture, and UX polish Experienced in team collaboration, version control, and CI/CD pipelines Clear communication and reliable delivery under tight deadlines Let’s bring your next idea to life—from concept to playable experience.

🚀 Top Rated Plus | WordPress, SEO & Speed Optimization Specialist Need fast fixes, better performance, or launching a new site? I help business owners and agencies fix, optimize, and launch high-performing WordPress websites — fast. With 10+ years of experience, I specialize in: ✅ Full-Stack WordPress Development ✅ Front-End Optimization & Speed (Core Web Vitals) ✅ On-Page SEO & Technical Audits ✅ Page Builders: Elementor, Divi, Beaver Builder, WPBakery, and much more! ✅ WooCommerce Setup & Performance ✅ Google Tools (Analytics, Search Console, Tag Manager) ✅ Hosting Transfers, SSL, DNS, and Server Tuning 🔧 Tech Stack & Toolbelt: - WordPress, PHP, JavaScript, HTML, CSS, jQuery, MySQL - Servers: Apache, NGINX, LiteSpeed - Tools: Screaming Frog, Ahrefs, SEMrush, Moz, GTmetrix - CDNs: Cloudflare, KeyCDN, Amazon CloudFront - Email & DNS: G Suite, Zoho, MX Records, SPF/DKIM - Migration Tools: All-in-One WP Migration, Duplicator, UpdraftPlus 💡 Example Results: ✔️ Cut load time from 7s to under 2s for an eCommerce site ✔️ Recovered SEO traffic after a failed migration ✔️ Boosted mobile PageSpeed score from 42 to 91 in 3 days 🤝 You’ll get: - Clear communication (weekly updates, Loom videos on request are available) - Results-backed recommendations, not just code - Fast turnaround and long-term reliability 📩 Let’s talk! Send me a quick message about your project — I’ll provide next steps and a clear action plan.

🚀 SaaS & Backend Engineer | Node.js • NestJS • Ruby on Rails • React • Next.js • TypeScript | AI Integrations • Microservices • Cloud Architecture I help startups and businesses build scalable SaaS platforms, backend systems, and AI-powered applications using modern software engineering practices. My focus is on developing production-ready systems with strong architecture, clean APIs, high performance, and long-term maintainability. I work across the full backend lifecycle from designing REST APIs, GraphQL APIs, and microservices architecture to optimizing databases, fixing production issues, and improving existing codebases. I also specialize in working with AI-generated codebases and modern AI-assisted development workflows, ensuring they are stable, maintainable, and production-ready. 🔧 What I Can Help You Build ✅ SaaS Backend Development: Node.js, NestJS, Ruby on Rails, Express.js, REST APIs, GraphQL APIs, authentication (JWT, OAuth), RBAC systems, multi-tenant SaaS architecture, subscription systems, billing systems ✅ AI-Powered Applications: OpenAI API, Claude API, Gemini API, AI agents, vector databases, embeddings, LLM-powered applications, prompt workflows, AI automation systems, intelligent backend logic ✅ Existing Project Improvement: debugging, refactoring, code optimization, legacy system modernization, performance tuning, scalability improvements, production bug fixing, architecture cleanup ✅ Scalable Web Applications: React.js, Next.js, TypeScript, JavaScript, SSR/SPA architecture, frontend-backend integration, state management, API integration ✅ API Development & Integrations: third-party APIs, payment gateways (Stripe, PayPal), CRM integrations, SaaS integrations, webhook systems, automation pipelines ✅ Real-Time & Distributed Systems: WebSockets, event-driven architecture, message queues (RabbitMQ, Kafka concepts), background jobs, cron systems, async processing, pub/sub systems ✅ Cloud & DevOps: AWS, Docker, CI/CD pipelines, containerization, deployment automation, cloud infrastructure, monitoring, logging, performance optimization 🧠 Core Skills • Backend: Node.js, NestJS, Express.js, Ruby on Rails, Microservices, Modular Monoliths • Frontend: React, Next.js, TypeScript, JavaScript, Redux, Zustand • Databases: PostgreSQL, MySQL, MongoDB, Redis, database design, query optimization • AI Engineering: OpenAI, Claude, Gemini, RAG systems, vector databases, embeddings, AI agents, MCP concepts • Architecture: SaaS architecture, system design, scalable backend architecture • DevOps: AWS, Docker, CI/CD, Nginx, deployment pipelines 🚀 What Sets Me Apart 💼 Strong focus on SaaS architecture, backend scalability, and production-grade system design ⚙️ Experience working with complex codebases including AI-generated applications and rapid MVP systems 🤖 Ability to integrate AI features, LLM APIs, and automation workflows into real-world SaaS products 📊 Performance-focused engineering: caching, indexing, optimization, and low-latency backend design 🔧 Comfortable with debugging, refactoring, and improving existing production systems at scale 📩 If you're looking for a backend engineer who can build scalable SaaS platforms, integrate AI features, improve system performance, and work with modern AI-assisted development tools, feel free to reach out. I can help design, build, and improve your product with a focus on scalability, reliability, and clean architecture. Thanks, Hunzla

Hi there👋 I would be glad to help you if you are looking for Ruby / Ruby on Rails developer for your project🚀 To give an idea of my skill set, I'm good at the following technologies: - Ruby, Ruby on Rails - HTML, CSS, Bootstrap, Tailwind CSS - JavaScript - jQuery - SQL (Postgresql, SQLite) - MySQL - AWS - Heroku - haml - slim - rails118n - state-machines - Elasticsearch - algoliasearch-rails - rails API development - serialisation - Rspec - minitest Workflow: - GIT, SVN(bitbucket/github/gitlab) - Jira, Trello, Asana - Slack, Teams, etc. Also, I have a background of learning Java, Python, C++, C# and passed a course from Cisco Networking Academy. You can see the certificate attached on my profile below⤵️ I'm up to long-term and full-time collaboration, so in case you need a skilled developer, feel free to reach out!