You will get a full stack Ruby on Rails developer

Hasan N.Status: Offline
Hasan N. Hasan N.
4.9
Top Rated

Let a pro handle the details

Buy Web Application Programming services from Hasan, priced and ready to go.
Hasan N.Status: Offline
Hasan N. Hasan N.
4.9
Top Rated

Let a pro handle the details

Buy Web Application Programming services from Hasan, priced and ready to go.

Project details

Hi,
I'm a Full-Stack Ruby on Rails Software Engineer with experience of 3+ years in full-stack web development. I have expertise in front-end frameworks and libraries like ReactJS, VueJS, Angular, TailwindCSS, Bootstrap, etc. I can also put life to your idea as I know how to build successful software used by heavy hitters in our industry from scratch.

I am familiar and well-versed with the following aspects of Software Development:

✓ Ruby on Rails, GraphQL, NodeJS.
✓ ReactJS, Angular, VueJS, StimulusJS, JavaScript, TypeScript, JQuery, Bootstrap, TailwindCSS, Ajax, ERB, HAML, SLIM, HTML, CSS.
✓ PostgreSQL, MySQL, SQLite, DynamoDB, MongoDB, Firebase, Redis etc.
✓ JIRA, Trello, Asana, etc.
✓ Capybara, RSpec, Minitest, and Cucumber
✓ Integration with Third-Party Apps i-e; Google SSO, Calendar, Contacts, Meet, Groups, Outlook SSO, Calendar, Stripe, Square, Slack API, Sendgrid, Mailchimp, etc.
✓ Figma, Adobe XD
✓ Github, Bitbucket, GitLab
✓ Heroku, Dokku, Digital Ocean, AWS, Docker, etc.

|| Please discuss your project with me before placing an order. ||
Programming Languages
HTML & CSS, JavaScript, Ruby/Ruby on Rails
Coding Expertise
Cross Browser & Device Compatibility, Performance Optimization, Security
What's included
Service Tiers Starter
$1,500
Standard
$3,000
Advanced
$7,000
Delivery Time 8 days 16 days 30 days
Number of Revisions
333
Number of Pages
5515
Design Customization
-
Content Upload
-
-
-
Responsive Design
-
Source Code
4.9
33 reviews
94% Complete
6% Complete
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)

BB

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JH

Jennifer H.
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Dec 21, 2025
Full-Stack Software Engineer We loved working with Hasan! He is a great communicator, works well as part of a team, and is a skilled Engineer. We hope to work with Hasan again soon.

KV

Karel V.
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CZ

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AE

Adam E.
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Ruby Maintenance Support
Hasan N.Status: Offline

About Hasan

Hasan N.Status: Offline
AI SaaS & MVP Full-Stack Engineer | React, Next.js, Node.js, Ruby Rail
100% Job Success
4.9  (33 reviews)
Mississauga, Canada - 6:21 pm local time
I'm a full-stack developer specializing in Ruby on Rails, React, Next.js, and Node.js. Helping founders and startups build SaaS products, customer portals, and internal platforms, with hands-on experience adding AI and LLM-powered features to production apps.

My core work includes Rails and Node.js backend development, React and Next.js frontend development, AI chatbot development, RAG applications, and OpenAI, Claude, and Gemini integrations all built as fast, maintainable, production-ready web apps that solve real business problems.

Whether you need an MVP, an internal tool, an AI-powered feature added to an existing app, or a scalable platform for thousands of users, I can help you plan, build, and ship it efficiently.

A great product isn't built by writing endless code, it's built by shipping the cleanest version of your idea to market, then scaling it seamlessly.

That's my approach: architect clean, maintainable codebases from day one, so your platform handles rapid user growth without accumulating technical debt.

𝐖𝐡𝐚𝐭 𝐈 𝐜𝐚𝐧 𝐡𝐞𝐥𝐩 𝐰𝐢𝐭𝐡:

• AI-powered SaaS products
• SaaS MVP development
• AI chatbots and AI agents
• OpenAI, Claude, and Gemini integrations
• RAG applications and intelligent search
• Customer portals and dashboards
• Internal business tools
• API integrations and workflow automation
• Legacy application modernization
• Application performance and scalability improvements

𝐈’𝐦 𝐚 𝐠𝐫𝐞𝐚𝐭 𝐟𝐢𝐭 𝐢𝐟 𝐲𝐨𝐮 𝐧𝐞𝐞𝐝:

✅ 𝐄𝐧𝐝-𝐭𝐨-𝐞𝐧𝐝 𝐚𝐜𝐜𝐨𝐮𝐧𝐭𝐚𝐛𝐢𝐥𝐢𝐭𝐲: I own features completely, from initial concept down to deployment.
✅ 𝐏𝐫𝐨𝐚𝐜𝐭𝐢𝐯𝐞 𝐩𝐫𝐨𝐛𝐥𝐞𝐦-𝐬𝐨𝐥𝐯𝐢𝐧𝐠: I explore the options first, then build the right solution.
✅ 𝐈𝐧𝐝𝐞𝐩𝐞𝐧𝐝𝐞𝐧𝐭 𝐞𝐱𝐞𝐜𝐮𝐭𝐢𝐨𝐧: Someone who takes rough ideas and ships fast without daily guidance.
✅ 𝐒𝐨𝐥𝐢𝐝 𝐟𝐨𝐮𝐧𝐝𝐚𝐭𝐢𝐨𝐧𝐬: Clean, reliable systems built to handle real traffic smoothly.

𝐈’𝐦 𝐍𝐎𝐓 𝐚 𝐟𝐢𝐭 𝐢𝐟 𝐲𝐨𝐮’𝐫𝐞 𝐥𝐨𝐨𝐤𝐢𝐧𝐠 𝐟𝐨𝐫:

❌ 𝐉𝐮𝐬𝐭 𝐚𝐧 𝐨𝐫𝐝𝐞𝐫-𝐭𝐚𝐤𝐞𝐫: Someone who blindly follows specs without considering the bigger picture.
❌ 𝐋𝐨𝐰-𝐭𝐫𝐮𝐬𝐭 𝐦𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭: Heavy hourly tracking instead of focusing on shipped results.
❌ 𝐒𝐡𝐨𝐫𝐭𝐬𝐢𝐠𝐡𝐭𝐞𝐝 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬: Quick workarounds that require a complete rebuild a few months later.

𝐖𝐡𝐲 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐰𝐨𝐫𝐤 𝐰𝐢𝐭𝐡 𝐦𝐞:

✔ 8+ years of software development experience
✔ 100+ projects delivered
✔ 100% Job Success on Upwork
✔ Top Rated Freelancer
✔ 5,000+ hours worked on Upwork
✔ Strong experience working directly with founders and product teams

𝐌𝐲 𝐜𝐨𝐫𝐞 𝐭𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬 𝐢𝐧𝐜𝐥𝐮𝐝𝐞:

Frontend: React.js, Next.js, TypeScript, JavaScript, Tailwind CSS
Backend: Ruby on Rails, Node.js, Express.js, Python
AI: OpenAI, Claude, Gemini, LangChain, AI Agents, RAG, Vector Search
Database & Cloud: PostgreSQL, MongoDB, Redis, Supabase, Firebase, AWS, Docker, Vercel

By using modern tools like Cursor and Claude Code, I am able to speed up my development process significantly. This helps me ship features quickly without cutting corners on code cleanliness or testing.

If you're looking for a developer who can understand both the technical and product side of your business, I'd be happy to discuss your project.

📩 Hit me up with a message or invite, let's bring this build to life! ⚡

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