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You will get Ruby on Rails Developer React Node.js MVP | Working Prototype in 30 Days

Roman S.Status: Offline
Roman S. Roman S.
5.0
Preview image

Let a pro handle the details

Buy Web Application Programming services from Roman, priced and ready to go.
Roman S.Status: Offline
Roman S. Roman S.
5.0
Preview image

Let a pro handle the details

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

Project details

Need to validate your idea before raising investmentor committing to full-scale development? I build focused Ruby on Rails MVPs that demonstrate core product value - not feature-bloated prototypes thattake 6 months to ship.

In 8+ years building FinTech and SaaS products on Ruby on Rails, I've seen what kills MVPs: over-engineered architecture, scope creep, and developers who say yes to everything. I scope ruthlessly, build what matters, and ship on time.

What you get:
✔ Core feature set scoped and prioritized with you
✔ Working Ruby on Rails backend with clean API
✔ React frontend or API-only - your choice
✔ User authentication and role management
✔ Deployed and accessible - ready to show investors
✔ RSpec test coverage on critical business logic
✔ Lifetime warranty on all delivered code

Best for: Early-stage startups, FinTech product validation, founders who need a working demo fast.

Message me before purchasing - I'll confirm scope and timeline within 24 hours.

Stack: Ruby on Rails · PostgreSQL · React · Redis · Sidekiq · Docker
Programming Languages
JavaScript, Ruby/Ruby on Rails
Coding Expertise
Performance Optimization, Security

What's included $10,000

These options are included with the project scope.

$10,000
  • Delivery Time 30 days
  • Number of Revisions 1
    • Responsive Design
    • Source Code
5.0
5 reviews
100% Complete
(5)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)
1% Complete
(0)

DD

Daniel D.
5.00
Feb 17, 2025
Ruby & Rails project audit and roadmapping Was good working together

BC

Ben C.
5.00
Nov 9, 2024
Strip old theme/css/js from jumpstartrails and integrate a different theme (both are rails based) Prompt and, excellent work with a knowledgeable team. Will definitely work with again!

DW

Dan W.
5.00
Jul 28, 2020
Ruby developers needed: Provide feedback on a new tool for Ruby developers Great job! Thank you!

MZ

Michael Z.
5.00
Apr 16, 2018
Experienced Vue.JS, Canvas fit, Symfony2 Developer for large ongoing project (you got to be located in Europe) All good, thanks mate

MW

Mathias W.
5.00
Oct 19, 2016
Ember one-page-app developer Really good quality code and very focused on delivering quickly. Great to work with a kind person who seeks to truly understand the problem before solving it.

I will for sure get Slobodzyan for my next Javascript project.
Roman S.Status: Offline

About Roman

Roman S.Status: Offline
Ruby on Rails Developer React Node.js Full-stack Web Development
100% Job Success
5.0  (5 reviews)
Khmelnitsky, Ukraine - 7:25 am local time
⚡𝗥𝘂𝗯𝘆 𝗼𝗻 𝗥𝗮𝗶𝗹𝘀 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝗮𝗻𝗱 𝗥𝗲𝗮𝗰𝘁 𝗡𝗼𝗱𝗲.𝗷𝘀 𝗙𝘂𝗹𝗹-𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 · 𝟭𝟬𝟬% 𝗝𝗦𝗦 · 𝟴+ 𝘆𝗿𝘀 · 🛡️𝗟𝗶𝗳𝗲𝘁𝗶𝗺𝗲 𝗰𝗼𝗱𝗲 𝘄𝗮𝗿𝗿𝗮𝗻𝘁𝘆.
Clients come to me when the product has real complexity - payment flows, multi-role systems, third-party integrations, data-heavy architectures that hold up for years.

✅ 𝗖𝗹𝗶𝗰𝗸 𝗛𝗶𝗿𝗲 𝗼𝗿 𝗜𝗻𝘃𝗶𝘁𝗲 to work with a Node.js Full-Stack Developer who owns the architecture, not just the tickets.

🎯 𝗪𝗛𝗔𝗧 𝗬𝗢𝗨 𝗚𝗘𝗧

✔️ As a Node.js Full-Stack Developer - full ownership from architecture to deployment. React, Node.js, TypeScript, PostgreSQL, Redis, REST API, Docker, AWS. Clean, documented code.
✔️ As a Full-Stack Web Development React Node specialist - end-to-end SaaS platforms, payment integrations (Stripe, Xero), multi-role admin panels, Elasticsearch reporting. 40-60% faster delivery than split-role teams.
✔️ As a Ruby on Rails Developer - Rails 4-7.1 codebases, monolith upgrades, RSpec-covered backends, Sidekiq async. 8+ years, 15+ production systems shipped.
✔️ As a Node.js Full-Stack and Ruby on Rails Developer React engineer - Next.js, React, TypeScript paired with Node.js or Rails. Full-Stack Web Development React Node delivery across FinTech, EdTech, B2B SaaS.

🔥 𝗦𝗢𝗠𝗘 𝗣𝗥𝗢𝗝𝗘𝗖𝗧𝗦

✔️ Greek Capital (USA) - accounting + CRM SaaS, Elasticsearch reporting, automated workflows. Ruby on Rails Developer · Full-Stack Web Development React Node. Ongoing since 2017 ($100-250k).
✔️ Roi (Norway) - finance PWA: Stripe, asset tracking, investment calculator. React Node.js Full-Stack · Ruby on Rails Developer React · TypeScript.
✔️ MilkMind (France) - high-load EdTech marketplace, AI integration, video, Stripe. Node.js Full-Stack Developer · Ruby on Rails Developer React · Next.js.
✔️ Sket (Belgium) - LegalTech SaaS: contract automation, blockchain. Ruby on Rails Developer · React Node.js Full-Stack · RSpec.
✔️ H&P Builder (USA) - EHR product, multi-level admin. Full-Stack Web Development React Node · Node.js Full-Stack Developer.

🚀 𝗪𝗛𝗘𝗥𝗘 𝗜 𝗗𝗘𝗟𝗜𝗩𝗘𝗥

✔️ FinTech SaaS - as a Node.js Full-Stack Developer and Ruby on Rails Developer: payment integrations, credit management, accounting platforms. US, UK, Nordics. 8+ years, zero payment flow failures.
✔️ EdTech & marketplaces - Full-Stack Web Development React Node and React Node.js Full-Stack: high-load architecture, AI integration, video delivery, subscription logic. 30-50% better scalability.
✔️ LegalTech & compliance - Ruby on Rails Developer React and React Node.js Full-Stack: blockchain, document automation, audit-trail data flows for EU-market compliance SaaS.
✔️ HealthTech & EHR - Node.js Full-Stack Developer and Full-Stack Web Development React Node: secure document generation, recommendation logic, HIPAA-aware.
✔️ B2B SaaS - Ruby on Rails Developer, Node.js Full-Stack Developer, Full-Stack Web Development React Node: permission layers, file management, long-term codebase ownership.

🏆 𝗜𝗡𝗗𝗨𝗦𝗧𝗥𝗬 𝗩𝗘𝗥𝗧𝗜𝗖𝗔𝗟𝗦

✔️ FinTech - Node.js Full-Stack Developer and Ruby on Rails Developer: Stripe, Xero, credit SaaS. Zero payment errors across 8 years.
✔️ EdTech - Full-Stack Web Development React Node and React Node.js Full-Stack: AI-powered, high-load marketplace platforms.
✔️ LegalTech - Ruby on Rails Developer and Ruby on Rails Developer React: smart contracts, document automation, blockchain.
✔️ HealthTech - React Node.js Full-Stack and Full-Stack Web Development React Node: EHR, secure data, recommendation logic.
✔️ B2B SaaS - Node.js Full-Stack Developer: Ruby on Rails Developer React architecture, full ownership.

⚒️ 𝗛𝗢𝗪 𝗜 𝗕𝗨𝗜𝗟𝗗

✔️ Core - Node.js Full-Stack Developer and Ruby on Rails Developer: Node.js, ExpressJS, Ruby on Rails (4-7.1), JavaScript, TypeScript, React, Next.js, Vue.js, PostgreSQL, Redis, Docker, AWS, REST API, RSpec.
✔️ Frontend - Full-Stack Web Development React Node: React, TypeScript, HTML, HTML5, CSS, CSS 3, Bootstrap, Tailwind CSS, jQuery, Web Design, Mobile App Development.
✔️ Backend - React Node.js Full-Stack builds: ExpressJS, MongoDB, MySQL, SQL, PHP, Laravel, CodeIgniter, Python, API Integration, API, Database Architecture, Software Architecture & Design, Agile Software Development.
✔️ Ecosystem: React Native, Angular, AngularJS, WordPress, WooCommerce, Shopify, iOS Development, Android App Development, Git, Software Development, Software Debugging, Product Development, Search Engine Optimization.
✔️ Creative & extended: Graphic Design, Adobe Photoshop, Adobe Illustrator, Web Application, Software Design, Desktop Application, Data Entry, Ruby, RSpec, PostgreSQL.

🔹 Node.js Full-Stack Developer · Full-Stack Web Development React Node · React Node.js Full-Stack · Ruby on Rails Developer - lifetime warranty on every line of code.
🔹 Ruby on Rails Developer React · UTC+2 · async-friendly

Building a product? 👉 Message and let me support your way on a risk-free way..

Steps for completing your project

After purchasing the project, send requirements so Roman can start the project.

Delivery time starts when Roman receives requirements from you.

Roman works on your project following the steps below.

Revisions may occur after the delivery date.

Scoping & Architecture

We define the minimum feature set that proves your core value. Database schema, API structure, and tech stack confirmed before development starts.

Development

Rails backend + React frontend (or API-only if your team handles frontend). Regular progress updates every 3-5 days throughout the build.

Review the work, release payment, and leave feedback to Roman.