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Rails Fever Blog

Insights and best practices for maintenance, security and application modernization.

Rails Consultancy Philadelphia

Best Ruby on Rails Development Agencies in Philadelphia

A guide to the top Rails consultancies in Philly for teams that need upgrades, maintenance, or a long-term development partner

Philadelphia has a strong Ruby on Rails community. The city hosted RailsConf, has an active Philly.rb meetup, and is home to several consultancies that focus specifically on Rails work. If you are a CTO, founder,...
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AI-Assisted Development on a Large Legacy Rails App
AI Development Rails Maintenance

AI-Assisted Development on a Large Legacy Rails App

What actually works when you point an AI coding assistant at a five-plus-year-old Rails monolith with real scale and real scars

The AI demos you see online are almost always small apps. A Todo list. A Jekyll blog. A fresh Rails 8 scaffold. Those demos are honest about what they are, but they are not representative...
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Rails 7.2 to Rails 8 Upgrade: A Step-by-Step Migration Path
Rails Upgrades Developer Guide

Rails 7.2 to Rails 8 Upgrade: A Step-by-Step Migration Path

The shortest, safest route from a well-maintained Rails 7.2 app to Rails 8 - with real commands and real gotchas

If you are on Rails 7.2 and staring at Rails 8, you are in the happiest version of this migration. 7.2 was specifically shaped as the on-ramp to 8. Most of the hard work -...
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Creating Claude Skills for Rails Apps
AI Development Developer Guide

Creating Claude Skills for Rails Apps

How to package repeatable Rails workflows as Claude skills — what they are, when to use them, and a worked example

If you use Claude Code on Rails work regularly, you end up typing the same prompts over and over. “Audit this gem for known CVEs and suggest replacements.” “Find every controller action missing a before_action...
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Fractional Rails Engineers: When a Part-Time Team Beats a Full-Time Hire
Rails Consultancy Founders

Fractional Rails Engineers: When a Part-Time Team Beats a Full-Time Hire

How fractional Ruby on Rails development works, who it is for, and what to expect

Hiring a full-time senior Rails engineer takes 2-4 months and costs $150K-$220K per year in salary alone. For a lot of companies — early-stage startups, bootstrapped SaaS products, teams between engineering hires — that math...
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Tips for Using Claude with an Existing Rails App
AI Development Developer Guide

Tips for Using Claude with an Existing Rails App

Practical ways to get real value from Claude Code on a Rails codebase that is already in production

Using Claude on a greenfield Rails app is easy. The codebase is small, the conventions are Claude’s defaults, and there is almost no prior art to conflict with. Using Claude on a six-year-old Rails monolith...
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