Hire the Best Ruby on Rails Developers

I am a Senior Full-Stack Ruby on Rails Developer with over 12 years (Have also worked on Backend Ruby) of professional experience in designing, developing, and scaling high-performance web applications.
I have led multiple teams, served as a CTO for a funded startup, and delivered end-to-end Ruby on Rails solutions for global clients in Fintech, Real Estate, Healthcare, EdTech, Logistics, and E-Commerce. Core Ruby on Rails Expertise • Ruby on Rails (v3–v8), Ruby • API development and optimization (REST & GraphQL) • Hotwire, Turbo, Stimulus JS and Hotwire Native • Backend Ruby • Scalable architecture and performance optimization • Server-side and database-level security implementation • Background Jobs, Sidekiq, Redis • RSpec, Capybara, FactoryGirl, Cucumber (TDD & BDD environments) • Action Cable (WebSockets, Live updates) • Docker, Containers, Compose, CI/CD • JWT Authentication and OAuth • Database design: PostgreSQL, MySQL, Redis, Elasticsearch Large Language Models & AI Integration (Advanced) • OpenAI Fine-Tuning, Embeddings, APIs • LangChain and LlamaIndex • Vector Databases: Pinecone, PGVector • Use cases: Search, Clustering, Recommendations, Classification, Anomaly Detection Cloud & DevOps (AWS and Scalable Infrastructure) • AWS EC2, ELB, Elastic Beanstalk, Lambda, API Gateway • S3, CloudFront, Route 53, VPC, Subnets • ElastiCache, SQS, SNS, MQ • DevOps CI/CD pipelines, monitoring, scaling 3rd Party Integrations & APIs • Payment Gateways: Stripe Connect, PayPal, Square, Paytm, Razorpay, PayU, PayFort, Hyperpay, PayTabs, Orange-Vodafone (Congo) • Insurance APIs: Medgulf, UBI, Taunia • Government APIs: ELM, Yakeen, WASL, CITC • Identity Verification APIs: ELM & Yakeen • Google APIs (Maps, Firebase) • SMS Gateways: Twilio, Firebase, Unifonic Tools & Management • Code Documentation: Confluence • Project Management: Trello, Asana, Pivotal Tracker, GitHub • Source Control: Git, Bitbucket Industries Served • Fintech and Banking • Real Estate and Property Tech • Healthcare and Fitness • EdTech • Logistics and Law Tech • E-Commerce and Retail • Gaming and Entertainment • Salon and Spa Management Why Choose Me • 12+ years of hands-on experience in Ruby on Rails full-stack development • Strong architectural and DevOps background for scalable and secure systems • Proven record of building and leading high-performance engineering teams • Deep understanding of AI/ML and its integration into modern Rails systems Let’s connect for a 10-minute strategy call to discuss your project, goals, and how I can bring value to your application with clean, scalable, and future-ready Ruby on Rails code. Additional Capabilities (Through My Team) At Tecorb Technologies, we have a team of 100+ developers and designers with deep expertise in: • Frontend: JavaScript, TypeScript, React.js, Angular, Tailwind CSS • Backend: Ruby on Rails, Node.js, Python • Mobile: Swift, Kotlin, Java, Flutter • Databases: PostgreSQL, MySQL, MongoDB, Redis • DevOps, AI, and Machine Learning You can check my open-source contributions on GitHub: TecOrb Technologies

Hello! I have 20 years experience with web development. 17 of those years have been with a Ruby on Rails focus and accompanying DevOps. I also have extensive experience with client-side Javascript. I believe maintaining a high-level of communication during a project is paramount to the success of a project, in addition to it finishing on-time and on-budget. Software development is my business, I'm not moonlighting with a full-time job during the day. As such, I will not disappear one day to never be heard from again. Which unfortunately is a common situation with freelance developers. Additionally, I believe in high-quality software development practices like automated testing, test-driven development, continuous integration/delivery, daily stand-ups, etc All of this is with the end goal of helping businesses increase their return on investment with their software development projects. I have expert experience with the following technologies : - Ruby, Ruby on Rails - Javascript/Ecmascript 5+, Hotwire/Turbo/Turbolinks - HTML5, CSS3 - Nginx - Ubuntu, DevOps - Postgres, MySQL - Rackspace, AWS, Digital Ocean, Heroku - Background processing, Queuing (Resque/Sidekick) - REST, Web Services, SOAP - High-performance APIs (JSON/XML) - Payment Processing - Stripe, Braintree, Paypal, Chargify I also have general experience with: - Apache - Linux variants other than Ubuntu - ElasticSearch, Solr, Sphinx - MongoDB Thanks for reading if you made it this far. Let's make something great together!

Struggling to build scalable, AI-powered web apps that truly stand out? My name is Farzam, a 𝐂𝐞𝐫𝐭𝐢𝐟𝐢𝐞𝐝 𝐑𝐮𝐛𝐲 𝐨𝐧 𝐑𝐚𝐢𝐥𝐬 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 with 𝟗+ 𝐲𝐞𝐚𝐫𝐬 of experience delivering high-performance, intelligent solutions that boost user engagement and efficiency. Let's innovate together and elevate your digital presence. 🚀 𝐇𝐎𝐖 𝐈 𝐂𝐀𝐍 𝐇𝐄𝐋𝐏 𝐘𝐎𝐔 𝐂𝐮𝐬𝐭𝐨𝐦 𝐑𝐮𝐛𝐲 𝐨𝐧 𝐑𝐚𝐢𝐥𝐬 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 Tailored, high-performance web applications built to scale and meet your unique business needs. 𝐀𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 & 𝐈𝐧𝐭𝐞𝐥𝐥𝐢𝐠𝐞𝐧𝐭 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 Enhance your apps with AI-driven features like predictive analytics and smart automation. 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤 𝐖𝐞𝐛 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 (𝐑𝐞𝐚𝐜𝐭 & 𝐍𝐞𝐱𝐭.𝐣𝐬) Modern, responsive, and user-centric frontend solutions seamlessly integrated with robust backends. 𝐀𝐏𝐈 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 & 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 Secure and efficient APIs to connect your services and third-party platforms. 𝐂𝐥𝐨𝐮𝐝 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭 & 𝐃𝐞𝐯𝐎𝐩𝐬 Reliable CI/CD pipelines and cloud hosting on AWS, GCP, or Heroku for smooth, scalable deployments. ============================ 🌟 5-STAR REVIEWS 🌟 ❝I hired Farzam to help build out our Ruby On Rails (ROR) stack for our product. Farzam has done a tremendous job. He's reliable, a good communicator and an excellent developer. He goes the extra mile and actively thinks along while creating new functionalities. He's an asset to any company developing high-quality software and would highly recommend him. ❞ – Thijs S. | Head of Product at WeGuide ❝Farzam was a fantastic asset to us for Rails development. He really knows his stuff and is an ambitious worker. I would definitely choose to hire him again if given the opportunity.❞ – Jonathon M. | Senior Software Engineer ❝Farzam became a valuable member of our team where he showed off his ability to deliver high quality and efficient code. I highly recommend him!❞ – Alex K. | Senior Software Engineer | Full-stack Web Development ============================ 🏆 Certified Ruby on Rails Developer 🚀 Senior Full Stack Engineer with 9+ years experience Explore my portfolio below to see successful projects and AI-powered web apps. ============================ 🚀 𝗟𝗘𝗧'𝗦 𝗕𝗨𝗜𝗟𝗗 𝗬𝗢𝗨𝗥 𝗙𝗨𝗧𝗨𝗥𝗘 𝗧𝗢𝗚𝗘𝗧𝗛𝗘𝗥 Ready to elevate your web applications with AI-powered, high-performance solutions? 𝗠𝗲𝘀𝘀𝗮𝗴𝗲 𝗺𝗲 𝗼𝗻 𝗨𝗽𝘄𝗼𝗿𝗸 𝘁𝗼𝗱𝗮𝘆 for a free consultation and tailored strategy. I typically respond within 6 hours and am eager to start your project. ============================ 🛠️ 𝐓𝐎𝐎𝐋𝐒 & 𝐓𝐄𝐂𝐇𝐍𝐎𝐋𝐎𝐆𝐘 𝐋𝐚𝐧𝐠𝐮𝐚𝐠𝐞𝐬 & 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬 • Ruby • Ruby on Rails • JavaScript • TypeScript • React.js • Vue.js • Next.js 𝐀𝐈 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧 • AI Integration • AI App Development • AI Agent Development • Predictive Analytics 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬 • PostgreSQL • MySQL 𝐓𝐞𝐬𝐭𝐢𝐧𝐠 & 𝐐𝐮𝐚𝐥𝐢𝐭𝐲 𝐀𝐬𝐬𝐮𝐫𝐚𝐧𝐜𝐞 • RSpec • Factory • Minitest • Selenium • Capybara 𝐃𝐞𝐯𝐎𝐩𝐬 & 𝐂𝐥𝐨𝐮𝐝 • Docker • Kubernetes • CI/CD • AWS • Heroku • GCP 𝐔𝐈 & 𝐒𝐭𝐲𝐥𝐢𝐧𝐠 • Tailwind CSS • Bootstrap Ruby on Rails, Full Stack Development, AI Integration, React.js, Web Development, TypeScript, JavaScript, API Development, PostgreSQL, Tailwind CSS

🏆 Top-Rated Ruby on Rails Developer | Shopify App Developer with 10+ years of experience, 2500+ Upwork hours, and 40+ successful projects delivered. From AI-powered Shopify apps to Ruby on Rails backends integrated with large language models, I turn complex ideas into clean, scalable, production-ready systems. I focus on building scalable, maintainable systems with clean architecture and reliable performance. If you're looking to add AI capabilities to your product or build a powerful backend with Ruby on Rails, I can help you design and implement the right architecture. 🤝 Why Clients Choose Me ✅ 10+ years shipping production code — I've seen what works and what breaks ✅ Clean architecture focus — Your project won't become technical debt ✅ Proactive communication — You'll never wonder "what's happening?" ✅ Long-term thinking — I build for today and scale for tomorrow ✅ Business outcome focus — I care about your metrics, not just my code 🛒 Shopify App Development Specializing in modern Shopify apps and store solutions: ✅ Public Shopify App Development (Shopify App Store, OAuth, Billing API) ✅ Custom Shopify Apps for specific business workflows ✅ Shopify Store Development & Theme Customization ✅ AI-powered Shopify features (product descriptions, support automation) ✅ Shopify GraphQL & REST API integrations 💎 Ruby on Rails Web Development Full-cycle Ruby on Rails development for scalable platforms. ✅ SaaS platforms & custom web applications ✅ REST API & GraphQL development ✅ Database design (PostgreSQL, MySQL, MongoDB) ✅ Background jobs (Sidekiq, Redis) ✅ Payment integrations (Stripe, PayPal) 🤖 AI Development • AI chatbots & assistants (Claude / ChatGPT) • AI content generation • AI-powered search & recommendations • Automated workflows using LLMs • AI integrations inside SaaS products ⚙️ Deployment & Tools AWS EC2 • DigitalOcean • Heroku • Cloud66 GitHub • GitLab • Jira • Trello • Slack 💬 Need help building a Shopify app, Ruby on Rails platform, or AI-powered product? Send me a message and let's discuss how we can build your next AI-powered product.

Hey there, Thanks for stopping by. You look gorgeous today! Let's do some serious development, so here it is: ### Summary CTO/Senior full-stack engineer with 15+ years building and scaling complex Rails applications end-to-end: product planning, rapid delivery, performance tuning, secure architecture, and production ops. I own outcomes - from first sketch to reliable, observable, autoscaled production running in the cloud. At this moment, over 2 years AI experience, not just "do it", but with understanding how it works under the hood. Just created an AI-driven inventory management app: AzinvSpace, take a look in the portfolio. ### Core strengths * A-Z Delivery: turn fuzzy requirements into clean plan, then to tested Rails features, nice and fast code. * Scalability & performance: Tune with PostgreSQL/Redis, background jobs, caching, N+1 eradication, P95/P99 focus * API design: resilient REST/GraphQL, rate-limiting, idempotency, and observability * Security: OWASP mindset, secure auth (Devise/OAuth2/OIDC/JWT), secrets hygiene(plus a bit more security stuff) * DevOps: Dockerized apps, zero-downtime deploys, repeatable infra, clear runbooks & alerts ### Modern stack, just the most used. I tried to narrow it down, feel free to skip this part :D * Backend: Ruby 3.x, Rails 7.x, Hotwire (Turbo/Stimulus), ViewComponent, Sidekiq, ActionCable * Data: PostgreSQL (13–16), Redis, Elastic/OpenSearch (search & logs) * Frontend: React/Next (when appropriate), Tailwind CSS * Testing/Quality: RSpec, Capybara/System tests (Selenium/Chrome or Playwright), FactoryBot, VCR, RuboCop, Brakeman * CI/CD: GitHub Actions (preferred), CircleCI; containers with Docker/Compose; deploys with Kamal (current) and Capistrano (legacy) * Cloud & edge: AWS (RDS, ECS/ECR, S3, CloudFront), Render, DigitalOcean; NGINX/Traefik * Observability: Sentry, Lograge, Prometheus/Grafana, OpenTelemetry (where supported) * Integrations: Stripe, Twilio, SendGrid/SES, OAuth providers (Google, etc.), Webhooks (robust retry/idempotency) Keywords (ATS-friendly) Ruby, Ruby on Rails 7, Hotwire, Turbo, Stimulus, ViewComponent, Sidekiq, Redis, PostgreSQL, RDS, GraphQL, REST, JSON:API, Docker, Docker Compose, Kamal, GitHub Actions, AWS, Render, NGINX, Traefik, Sentry, Prometheus, OpenTelemetry, Tailwind, TypeScript, React, Capybara, Playwright, RSpec, RuboCop, Brakeman, Stripe, Twilio, OAuth2/OIDC, Webhooks

Hi, I’m Zlata. I’m basically a typical American software developer... just living in Ukraine now. And I always work in the EST timezone. I’ll write everything in any tech stack you have 😄 I’m a Software Engineer with 8+ years of experience as a Ruby on Rails developer, React developer, Node.js developer, Python developer, and .NET developer. I work with Ruby on Rails, React, Node.js, Python, .NET, PostgreSQL, Docker, AWS, JavaScript, TypeScript, API development, API integration, and SaaS software development. I help companies build and improve SaaS platforms, ERP systems, CRM tools, dashboards, marketplaces, internal systems, API products, and complex web applications using Ruby on Rails, React, Node.js, Python, and .NET. My focus is clean product logic, stable delivery, scalable architecture, and software that stays easy to maintain as the business grows. 📊 My Achievements in Numbers: 🔶 Ruby on Rails Developer for a Construction Application Platform ▪ Helped build a Ruby on Rails + React platform for managing construction applications, reviews, documents, and stakeholder workflows. ▪ Reduced application review time by 42%. ▪ Supported 18,500+ construction applications processed in the first year. ▪ Helped the product reach $1.4M ARR within 14 months. ▪ Worked with Ruby on Rails, React, PostgreSQL, Docker, AWS, S3, and API integration. 🔶 React Developer for a Construction Materials ERP SaaS ▪ Helped improve a complex ERP SaaS platform for concrete, aggregates, and asphalt producers. ▪ Improved sales, pricing, and operational workflows through better product logic and scalable software architecture. ▪ 98% of demo users became clients after product improvements. ▪ 91% of users rated the interface as clear and intuitive. ▪ The product later raised $3.4M. ▪ Focused on React, Ruby on Rails, SaaS workflows, API development, and complex web application structure. 🔶 Node.js Developer for an Aviation Maintenance SaaS ▪ Helped improve a complex aviation maintenance SaaS product used by field teams. ▪ 96% of demo users became clients after the product improvements. ▪ 97% of field users adopted the product after the first try. ▪ Reduced user errors by 41% and made onboarding 62% faster. ▪ Supported product logic, API integration, dashboards, and connected SaaS workflows using Node.js, React, Ruby on Rails, and API development. 🔶 Python Developer for an AI Healthcare SaaS ▪ Supported an AI-powered healthcare platform that grew from a chatbot into multiple AI agents for clinics and hospitals. ▪ The product raised $20M+. ▪ Helped support workflows that increased patient visits by 31%. ▪ Helped reduce call abandonment by 98%. ▪ Worked with Python, API integration, automation workflows, AI-related product logic, and scalable SaaS architecture. 🔶 .NET Developer for a Utility Billing Platform ▪ Helped improve utility billing workflows for a SaaS platform processing complex customer, billing, and reporting data. ▪ Helped process $14M+ in utility bills within 6 months. ▪ Reduced billing cycle time from 9 days to 1.5 days. ▪ Supported 96% client retention through better product stability and workflow clarity. ▪ Worked with .NET, React, API development, reporting logic, SaaS architecture, and reliable software delivery. Why should you hire me as a Software Engineer? ▪ 8+ years of experience with Ruby on Rails, React, Node.js, Python, .NET, JavaScript, TypeScript, PostgreSQL, API development, API integration, and SaaS software development. ▪ 120+ successful projects delivered across B2B SaaS, ERP, CRM, healthcare, construction, logistics, fintech, aviation, and internal business platforms. ▪ Strong experience with Ruby on Rails, React, Node.js, Python, and .NET for SaaS products, dashboards, admin panels, API-first platforms, integrations, automation, AI features, and enterprise systems. ▪ I use Claude, Cursor, GitHub Copilot, and ChatGPT to speed up research, debugging, refactoring, and delivery. ▪ I work well with founders, CTOs, product managers, and teams that need clear communication across Ruby on Rails, React, Node.js, Python, and .NET products. What I can help you with: ✔️ Build or improve Ruby on Rails SaaS products ✔️ Create React dashboards, portals, admin panels, and SaaS interfaces ✔️ Build Node.js services and API integrations ✔️ Support Python automation, data workflows, and product logic ✔️ Work with .NET systems and connected software platforms ✔️ Build API-first products with Ruby on Rails, React, Node.js, Python, .NET, PostgreSQL, Docker, and AWS ✔️ Improve performance, stability, and maintainability of existing Ruby on Rails, React, Node.js, Python, and .NET applications ✔️ Support SaaS, ERP, CRM, fintech, healthcare, logistics, construction, and internal tools Need help with Ruby on Rails, React, Node.js, Python, .NET, API development, or SaaS development? Message me and let’s discuss your product. 📩🤝