RailsDev.ioRails Full-Stack Architect
Available for Q4 Contracts & MVPs

Build, Scale, & Launch SaaS Applications with Ruby on Rails

We help tech startups and founders transform ambitious product ideas into high-performance, maintainable web apps using Ruby on Rails 7+, Hotwire, React, and modern cloud infrastructure.

Ruby on Rails 7+Hotwire / TurboPostgreSQLReactAWS / Docker
Schedule Strategy CallView Case Studies
8+ Years Experience
30+ Apps Delivered
100% On-Time Record
Expert Capabilities

Full-Stack Rails Engineering Services

Specialized end-to-end software development designed to move fast, eliminate tech debt, and drive revenue.

Greenfield SaaS MVP

From idea to market-ready application in weeks. Architecture, authentication, subscriptions (Stripe), DB schema, and UI built to scale.

  • Rapid prototype & iteration
  • Stripe / Payment integration
  • Automated deployment pipeline

Rails Upgrades & Refactoring

Upgrade legacy Rails codebases (e.g. Rails 4/5 to 7+), eliminate security vulnerabilities, fix N+1 queries, and modernise dependencies.

  • Zero-downtime upgrades
  • Security vulnerability patching
  • Database query optimization

API & Integration Architecture

Robust RESTful and GraphQL APIs built with strict documentation, authentication (JWT/OAuth), and webhook handling for mobile apps or external integrations.

  • GraphQL & REST Endpoints
  • AI API Integration (OpenAI/Claude)
  • Webhooks & Background Jobs

Performance Audit & Hotwire

Convert slow JS single-page applications or heavy server renders to modern Hotwire (Turbo/Stimulus), accelerating speed by 3x.

  • Sub-100ms load times
  • Hotwire / Turbo Streams
  • Redis & Sidekiq tuning
Battle-Tested Stack

Full-Stack Technology Suite

Ruby on Railsv7.1+ / Core
PostgreSQLORM / Optimization
Redis & SidekiqBackground Processing
Hotwire / TurboStimulusJS
React.jsInertia.js / SPA
Tailwind CSSModern UI Design
GraphQL & RESTAPI Design
DockerContainerization
AWS InfrastructureS3, EC2, RDS
Render / HerokuPaaS Deployment
RSpec & CapybaraAutomated TDD
CI/CD WorkflowsGitHub Actions
OpenAIGPT APIs / Agents
ClaudeAPI / Claude Code
CursorAI-Assisted IDE
GitHub CopilotAI Pair Programming
Proven Results

Featured Case Studies

Real-world applications built, upgraded, and scaled for startups and growing enterprises.

Fintech / B2B SaaSLaunch Time: 6 Weeks

FinTrack AI – Real-time Expense Analytics Platform

Built a multi-tenant B2B analytics platform handling 1M+ monthly events with Hotwire and PostgreSQL partition tables.

Measured Impact:
450ms → 85msAvg Load Time
$12k ARRFirst Month MRR
Healthcare MarketplaceUpgrade Duration: 4 Weeks

HealthPulse – Legacy Rails 4.2 to Rails 7 Migration

Engineered zero-downtime migration for a HIPAA-compliant medical scheduling system serving 50k active patients.

Measured Impact:
100% ZeroSystem Downtime
40% LessServer Spend
E-Commerce AutomationTimeline: 3 Weeks

ShipFlow – Shopify Webhooks & Async Order Sync

Designed high-throughput Sidekiq/Redis queue engine capable of processing 5,000 webhook events per minute.

Measured Impact:
5,000/minEvents Processed
99.99%API Reliability
Greenfield MVP

FinTrack AI – B2B Financial SaaS Engine

The Challenge

The client needed an enterprise-grade multi-tenant expense analytics engine capable of ingesting 10,000+ transaction webhooks daily while delivering sub-second real-time charts.

The Rails Solution

Architected a modular Ruby on Rails 7 application using PostgreSQL table partitioning, Turbo Streams for live user dashboard updates, and Sidekiq for asynchronous data enrichment.

Tech Stack Used

Ruby on Rails 7Hotwire / TurboPostgreSQLSidekiqChart.js

Key Impact & Outcomes

  • Average query response reduced from 450ms to 85ms
  • Launched in 6 weeks with $12k MRR generated in month 1
  • Maintained 100% automated test coverage with RSpec
Legacy Upgrade

HealthPulse – Legacy Rails Upgrade

The Challenge

An established medical scheduling system running Rails 4.2 faced severe security vulnerabilities, slow page renders, and unmaintainable technical debt.

The Rails Solution

Executed a multi-stage zero-downtime migration path (4.2 → 5.2 → 6.1 → 7.0), refactored legacy SQL queries, and updated core authentication protocols to HIPAA standards.

Tech Stack Used

Rails 7.0Ruby 3.2DockerAWS RDSRSpec

Key Impact & Outcomes

  • 100% continuous uptime throughout migration
  • Reduced monthly AWS server spend by 40%
  • Eliminated all critical CVE security vulnerabilities
API Architecture

ShipFlow – High-Throughput E-Commerce Sync

The Challenge

E-commerce merchant app was dropping Shopify webhook events during high-volume Flash Sales due to server bottlenecking.

The Rails Solution

Designed a dedicated Redis/Sidekiq event ingestion micro-engine within Rails, processing webhooks asynchronously with exponential backoff retry logic.

Tech Stack Used

Ruby on RailsRedisSidekiq EnterpriseRESTful Webhooks

Key Impact & Outcomes

  • Successfully processed 5,000+ webhooks per minute
  • Achieved 99.99% event delivery reliability
  • Zero dropped transactions during Cyber Monday traffic spikes
Transparent Planning

Interactive Project Cost & Scope Estimator

Select your requirements below to receive an instant timeline and estimated budget range for your Rails project.

1. Select Project Type
2. Additional Capabilities & Modules

Estimated Summary

Selected Base:Greenfield MVP
Add-ons Selected:2 Modules
Estimated Budget Range$8,700 – $10,440
Estimated Delivery5.5 Weeks
About Me

Rails Dev

Senior Ruby on Rails Architect & Remote Full-Stack Engineer

With over 10 years dedicated to the Ruby on Rails ecosystem, we specialize in taking software products from early technical concept to high-scale production. We focus heavily on clean code, test coverage (RSpec), sub-100ms response times, and clear communication with founders.

Client Endorsements

What Founders & CTOs Say

"RailsDev rebuilt our entire subscription engine using Rails 7 and Hotwire. They shipped 2 weeks ahead of schedule and our app speed doubled overnight. Hands down the best Rails engineering we have worked with."
Marcus VanceFounder, SaaS Analytics Platform
Verified Contract
"Upgrading our legacy Rails 4 app was causing us nightmares until we brought RailsDev on. The migration was handled seamlessly with zero downtime for our 50k users."
Sarah JenkinsCTO, HealthPulse
Verified Contract
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