Senior Fullstack Ruby on Rails Developer

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5+ years of production experience building and scaling applications using Ruby on Rails (Rails 6/7) and modern Ruby 3.x features.
Strong proficiency with frontend assets in Rails. This includes deep experience with Hotwire (Turbo/Stimulus) OR modern SPA frameworks like React.js or Vue.js connected via a Rails API.
Deep knowledge of PostgreSQL or MySQL, specifically in writing complex ActiveRecord queries, optimizing indexes, and managing database migrations safely at scale.
Extensive experience managing background jobs, race conditions, and heavy data processing using Sidekiq and Redis.
A strict habit of writing maintainable test suites using RSpec, Capybara, or FactoryBot to ensure high test coverage and stable deployments.
Proven track record of designing, securing, and documenting clean RESTful APIs.
Solid understanding of Git workflows, Docker containerization, and asset compilation pipelines (Propshaft, Webpacker, or Vite Ruby).

Experience migrating legacy Rails applications to newer versions.
Familiarity with cloud platforms (AWS, Heroku, or Render) and CI/CD pipelines.
Understanding of domain-driven patterns within Rails to keep large codebases decoupled.
Knowledge of web security best practices (OWASP Top 10, cross-site scripting prevention).

Design, architect, and implement clean, test-driven features across both the backend and frontend layers.
Profile and optimize slow queries, eliminate N+1 query bugs, and optimize frontend rendering paths to keep application response times low.
Participate in rigorous peer code reviews, championing idiomatic Ruby patterns, security protocols, and robust architectural choices.
Act as a technical sounding board for Product and Design teams, helping evaluate the technical feasibility of upcoming features.
Assist in maintaining and improving deployment workflows to ensure reliable, zero-downtime releases.

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