Ruby on Rails Developer

Ruby on Rails Developer II — Apex Web Systems

Denver, CO | January 2023 – Present

• Architected a migration of background processing tasks from delayed_job to Sidekiq, reducing queue processing latency by 68% and improving memory utilization on AWS EC2 by 32%.
• Implemented real-time dashboard notifications using ActionCable and Redis Pub/Sub, boosting user interaction metrics by 26% for a platform with 180,000 active monthly subscribers.
• Refactored legacy PostgreSQL queries and optimized Active Record indexing across 14 high-traffic tables, decreasing page load times by 45% and eliminating database timeout errors.
• Coordinated with a frontend team of 4 to replace legacy jQuery components with Rails Hotwire (Turbo and Stimulus), reducing custom JavaScript bundle sizes by 55%.

Software Engineer (Ruby on Rails) — Vertex Commerce Solutions

Boulder, CO | June 2020 – December 2022

• Developed and documented a payment gateway integration using Stripe API, processing over $4.2M in monthly transaction volume with an error rate of less than 0.05%.
• Maintained a comprehensive RSpec test suite of 2,400+ unit and integration tests, increasing total application code coverage from 72% to 94% over a 12-month period.
• Optimized REST API endpoints using JSON serialization gems like fast_jsonapi, reducing mobile application data payload sizes by 38% and lowering mobile API response latency by 25%.
• Automated containerized application deployment using Docker and AWS Elastic Beanstalk, reducing weekly deployment times by 4 hours and lowering release rollbacks by 85%.

Ruby, Ruby on Rails, PostgreSQL, Redis, SQLite, Active Record, Hotwire (Turbo/Stimulus), ActionCable, Sidekiq, RSpec, Minitest, Git, Docker, Capistrano, Heroku, AWS (EC2, RDS, S3), REST APIs, GraphQL, MVC Architecture, Object-Oriented Programming (OOP)

E-commerce Subscriptions Platform Re-architecture

Role: Lead Ruby on Rails Developer

Tools: Ruby on Rails 7, Stripe API, Sidekiq, PostgreSQL, Redis

Redesigned subscription billing workflow using Stripe Webhooks and Sidekiq queues, processing $1.8M in annual recurring revenue while reducing transaction drop-off rates by 14%.

Real-time Collaborative Fleet Tracking API

Role: Backend Rails Developer

Tools: Ruby on Rails, ActionCable, PostgreSQL, Redis, Docker

Built a high-frequency geolocation API utilizing ActionCable and Redis, handling 450+ concurrent requests per second with message latency under 80 milliseconds.

• Ruby Association Certified Ruby Programmer (Gold) (2023)
• AWS Certified Developer – Associate (2024)
• Professional Scrum Developer (PSD) (2022)

• Languages: English (Native), Spanish (Conversational)
• Open Source: Active contributor to Rails core and various Ruby gems (30+ pull requests merged)
• Availability: 2 weeks notice