These are the ATS keywords, credentials, and software terms that recur across current ruby developer job descriptions — organized so you can scan for what your resume is missing. Placement matters as much as presence: an ATS keyword buried in a skills list ranks lower than the same term used in context inside an experience bullet.

Title variants

  • Ruby Developer
  • Rails Developer
  • Ruby on Rails Developer
  • Ruby Engineer
  • Senior Ruby Developer
  • Backend Ruby Developer
  • Full Stack Rails Developer
  • Software Engineer Ruby

Language and framework versions

  • Ruby
  • Ruby 3
  • Ruby 3.2
  • Ruby 3.3
  • Rails
  • Ruby on Rails
  • Rails 7
  • Rails 8
  • Rails 6 (for legacy roles)

Rails ecosystem

  • Active Record
  • Active Storage
  • Action Cable
  • Action Mailer
  • Hotwire
  • Turbo
  • Turbo Streams
  • Stimulus
  • Importmaps
  • Active Admin
  • Propshaft

Background processing

  • Sidekiq
  • Good Job
  • Resque
  • DelayedJob
  • background jobs
  • background workers
  • Redis queue

Testing

  • RSpec
  • Minitest
  • Capybara
  • FactoryBot
  • VCR gem
  • SimpleCov
  • Shoulda Matchers
  • TDD
  • BDD
  • test-driven development
  • integration testing

Code quality

  • RuboCop
  • Brakeman
  • Bundler
  • Gemfile
  • Gemfile.lock

Authentication and authorisation

  • Devise
  • Pundit
  • CanCanCan
  • JWT
  • OAuth2
  • Doorkeeper

APIs

  • REST API
  • RESTful
  • GraphQL
  • GraphQL-Ruby
  • JSON:API
  • Grape
  • Fast JSONAPI

Databases

  • PostgreSQL
  • MySQL
  • SQLite
  • Redis
  • Elasticsearch
  • MongoDB
  • Solid Queue
  • Solid Cache

Deployment

  • Docker
  • Kubernetes
  • Heroku
  • Render
  • Fly.io
  • AWS
  • Kamal
  • Capistrano
  • CI/CD
  • GitHub Actions

Performance

  • N+1
  • Bullet gem
  • Rack Mini Profiler
  • eager loading
  • Russian doll caching
  • Redis caching
  • YJIT
  • query optimisation

Long-tail phrases

  • ruby developer resume
  • ruby on rails developer resume
  • rails developer resume
  • ruby developer cv 2026
  • senior rails developer resume
  • how to write a ruby developer resume

Pasting these terms into your resume verbatim without matching context can read as keyword stuffing to a human reviewer, even if it passes the ATS. The full Ruby Developer resume guide shows where each category belongs and how to work it into real experience bullets.