You will get Ruby on Rails Developer | Hotwire, Turbo, Stimulus, Sidekiq, RSpec & Devise
Top Rated
Top Rated
Project details
I'm a Top 1% Ruby on Rails developer on Upwork, helping businesses build AI-powered products, SaaS, and D2C platforms. Whether you need a Rails app built from scratch, an upgrade or rescue of an existing codebase, or AI features added to your product, I offer both consultation and development: fast to ship, secure, and easy to grow.
My services include:
1. Rails Apps & SaaS: Full products built from scratch, MVP to production-scale
2. Rails Upgrades & Rescues: Legacy apps modernized and refactored, Rails 5/6 to 7/8
3. AI Integration: Chatbots, LLMs, RAG, agents, and smart automation in your Rails app
4. APIs & Integrations: REST & GraphQL, webhooks, Stripe, Twilio, and more
5. PostgreSQL & Performance: Schema design, N+1 fixes, caching, and Sidekiq background jobs
6. Hotwire & React UIs: Fast, responsive Turbo/Stimulus, with React where needed
7. Testing & Deployment: RSpec, CI/CD, and deployment on AWS, Heroku, and Kamal
8. AI-Assisted Delivery: Faster shipping with Claude, Codex, and Cursor
Feel free to message me to discuss your idea or issue.
My services include:
1. Rails Apps & SaaS: Full products built from scratch, MVP to production-scale
2. Rails Upgrades & Rescues: Legacy apps modernized and refactored, Rails 5/6 to 7/8
3. AI Integration: Chatbots, LLMs, RAG, agents, and smart automation in your Rails app
4. APIs & Integrations: REST & GraphQL, webhooks, Stripe, Twilio, and more
5. PostgreSQL & Performance: Schema design, N+1 fixes, caching, and Sidekiq background jobs
6. Hotwire & React UIs: Fast, responsive Turbo/Stimulus, with React where needed
7. Testing & Deployment: RSpec, CI/CD, and deployment on AWS, Heroku, and Kamal
8. AI-Assisted Delivery: Faster shipping with Claude, Codex, and Cursor
Feel free to message me to discuss your idea or issue.
Web Programming Project
Blockchain Development, API Development, API IntegrationProgramming Languages
JavaScript, Ruby/Ruby on Rails, GoCoding Expertise
Cross Browser & Device Compatibility, Performance Optimization, DesignWhat's included
| Service Tiers |
Starter
$300
|
Standard
$500
|
Advanced
$999
|
|---|---|---|---|
| Delivery Time | 5 days | 7 days | 21 days |
Number of Revisions | 1 | 1 | 2 |
Source Code | - | - |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$150 - $350
Additional Revision
+$300
31 reviews
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BM
Ben M.
Oct 20, 2025
Rails + TypeScript React (shadcn/ui) Developer
Hassan is an ideal consultant. He is energetic, open-minded, intelligent, and resourceful. He is willing to try out anything, really, in the name of improving the software. I appreciate his contributions to the team and product and would gladly hire him again!
LH
Liz H.
May 12, 2025
Senior Engineer - Ruby on Rails
Hassan quickly understood our requirements and delivered high-quality code that was well-documented and easy to integrate. Throughout the project, they were responsive, met deadlines consistently, and collaborated seamlessly with our internal developers.
We would not hesitate to work with Hassan again and highly recommend them to anyone looking for a dependable and talented software developer.
We would not hesitate to work with Hassan again and highly recommend them to anyone looking for a dependable and talented software developer.
PE
Pascal E.
Apr 26, 2025
Smart logbook app development POC1 LOT 1
Very reliable and competent individual. A rare Gem.
RL
Robert L.
Apr 9, 2025
Code Review Assistance for Ruby on Rails Development
WD
Willem D.
Feb 4, 2025
Implement a feature request on gitlab server's REST API
About Hassan
🏆 Top 1% - Full Stack Engineer | Ruby | Rails | Python | React | AI
100%
Job Success
Lahore, Pakistan - 9:14 am local time
⦿ Over the past 10+ years, I've built products used by 𝐆𝐨𝐨𝐠𝐥𝐞, 𝐌𝐚𝐬𝐭𝐞𝐫𝐜𝐚𝐫𝐝, 𝐍𝐞𝐭𝐟𝐥𝐢𝐱, 𝐔𝐛𝐞𝐫, 𝐂𝐍𝐍, 𝐁𝐁𝐂 & 𝐇𝐚𝐫𝐯𝐚𝐫𝐝, reaching 𝐦𝐢𝐥𝐥𝐢𝐨𝐧𝐬 𝐨𝐟 𝐮𝐬𝐞𝐫𝐬 across enterprise and consumer platforms.
⦿ I use Claude, Codex & Cursor across my entire workflow architecture: prototyping, refactoring, testing, review, shipping. AI moves fast, but nothing ships unreviewed.
🚀 𝐇𝐨𝐰 𝐜𝐚𝐧 𝐈 𝐡𝐞𝐥𝐩 𝐲𝐨𝐮
✅ Leading product development from raw requirements to shipped solutions
✅ Turning complex requirements into production-ready solutions through Forward Deployed Engineering across AI, APIs, data, and cloud infrastructure
✅ Architecting scalable systems across new and legacy platforms
✅ Building MVPs, SaaS, web/mobile apps, and MCP servers
✅ Refactoring and modernizing complex legacy codebases without downtime
✅ Developing AI-powered applications, LLM integrations, AI agents, and automated workflows
✅ Managing cloud infrastructure, AWS, DevOps, performance, and reliability across the stack
✅ Shipping faster with AI tooling like Claude, Codex, Cursor, Kiro, Copilot. Speed without the quality tax
🛠️ 𝐓𝐎𝐎𝐋𝐒 & 𝐓𝐄𝐂𝐇𝐍𝐎𝐋𝐎𝐆𝐘
✅ Frontend: JavaScript, TypeScript, HTML5, CSS3, Sass, React, Next.js, Angular, Vue.js, Nuxt.js, Astro, Tailwind CSS, shadcn/ui, Material UI, Bootstrap, Redux, TanStack Query, Vite
✅ Backend: Ruby, Python, Scala, Elixir, JavaScript, TypeScript, Java, C#, Go, PHP, Rails, Phoenix, Django, FastAPI, Node.js, Express.js, NestJS, Spring Boot, ASP.NET Core, Laravel, ZIO
✅ Databases: PostgreSQL, MySQL, MongoDB, Microsoft SQL Server, Oracle Database, SQLite, MariaDB, Apache Cassandra, Amazon DynamoDB, CockroachDB, Neo4j, Firebase Firestore, Supabase, Neon
✅ Data Engineering & Warehousing: Data Modeling, ETL/ELT Pipelines, Snowflake, dbt, Apache Airflow, Databricks, Apache Spark, Amazon Redshift, Google BigQuery, Microsoft Fabric, Azure Synapse Analytics, Kafka
✅ AI & Coding Tools: Anthropic Claude, OpenAI Codex, AWS Kiro, GitHub Copilot, Cursor
✅ Cloud & DevOps: AWS, GCP, Azure, Render, Heroku, Docker, Kubernetes, CI/CD
✅ APIs & Integrations: REST, GraphQL, gRPC, SOAP, WebSockets
✅ Workflow Orchestration: Temporal, Sidekiq, Redis
✅ Testing: RSpec, Minitest, Playwright, Selenium, Capybara, Cucumber, Jest, Cypress, Mocha, Puppeteer, Pytest
🤖 𝐀𝐈 & 𝐀𝐮𝐭𝐨𝐦𝐚𝐭𝐢𝐨𝐧
✅ AI Integration
✅ AI Agent Development
✅ Chatbots & Conversational AI
✅ RAG (Retrieval-Augmented Generation) Systems
✅ NLP & Document Processing
✅ Workflow Automation
🏢 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 𝐈'𝐯𝐞 𝐛𝐮𝐢𝐥𝐭 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐬 𝐟𝐨𝐫
I've delivered solutions across AI-Powered Products, Healthcare, Fintech, EdTech, E-commerce/D2C, SaaS (B2B/B2C), Marketing, HR, Logistics, Media, and more, adapting quickly to each domain's needs.
🤝 I work best as a long-term partner, someone who owns the architecture and sticks around as your product grows. If you're looking for a reliable senior developer for ongoing work or a retainer, let's talk.
Let's collaborate to turn your vision into reality and build something extraordinary together!🌟
Steps for completing your project
After purchasing the project, send requirements so Hassan can start the project.
Delivery time starts when Hassan receives requirements from you.
Hassan works on your project following the steps below.
Revisions may occur after the delivery date.
Discovery, Development & Delivery
We start with a quick call to understand your goals and requirements, then plan the best approach, write clean, well-tested Rails code following industry best practices, keep you updated throughout, and deliver a reliable, production-ready result.