Michael Cain, Developer in Saint Paul, MN, United States
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Michael Cain

Verified Expert  in Engineering

Ruby on Rails Developer

Saint Paul, MN, United States
Toptal Member Since
April 16, 2024

Michael is a skilled full-stack developer with expertise in optimizing both front- and back-end processes to enhance user experiences and boost revenue. He is an expert in leading design and implementation efforts for Enterprise API integrations and architectures. Michael excels in coding, DevOps, and software testing, ensuring robust and scalable digital solutions.


Ruby, Rails Engines, Ruby on Rails 5, React, RSpec, Elasticsearch
Thrive Trm
Ruby, Ruby on Rails API, React, Jest, Elasticsearch, RSpec
Ruby, Ruby on Rails 5, RSpec




Preferred Environment

RubyMine, Linux

The most amazing...

...thing I've worked on was a recommendation service that saved the company $40,000 a month.

Work Experience

Senior Ruby on Rails Engineer

2021 - 2023
  • Restructured the auto-invitation algorithm to prioritize distance in geo-query algorithms, boosting the close rate for smaller tasks by 25% within the Ruby, Rails, and Elasticsearch frameworks.
  • Championed the UPP architecture initiative, upgrading from monolithic to modular services. Elevated application up-time by 35% and developer satisfaction by implementing cutting-edge Ruby, Rails, and Elasticsearch technologies.
  • Developed an innovative architecture for a recommendation algorithm, resulting in a 30% reduction in API response time and providing the ability to customize rule sets for more precise recommendations.
Technologies: Ruby, Rails Engines, Ruby on Rails 5, React, RSpec, Elasticsearch

Team Lead

2019 - 2021
Thrive Trm
  • Integrated key technologies into CI/CD workflow to reduce deployment times by 70%.
  • Oversaw the architecture of critical features, expedited market entry by 25%, secured an additional $600,000 in revenue, and avoided a $350,000 business loss.
  • Spearheaded the development of an ingest API, overseeing its architecture, implementation, and testing while enhancing compliance and performance.
Technologies: Ruby, Ruby on Rails API, React, Jest, Elasticsearch, RSpec

Senior Ruby on Rails Engineer

2018 - 2019
  • Headed development efforts to improve test coverage from 50% to 95%.
  • Updated Ruby and Rails dependencies to improve performance and app security.
  • Integrated APIs from other functional areas to streamline customer data flow and maintain customer contact data from provisioning to billing cycle, reducing implementation time by 10%.
  • Integrated SAML and JWT single sign-on (SSO) implementations for several service providers, significantly improving employee user experience.
Technologies: Ruby, Ruby on Rails 5, RSpec

Brazilian Jiu-Jitsu Application

Developed an app for managing Brazilian jiu-jitsu (BJJ) video lessons with features for creating curricula, course structures, and comment threads. I also included integrations with social media APIs like Facebook, Instagram, and TikTok to attract users to the login portal.
2005 - 2006

Master of Music Degree in Jazz Studies

University of the Arts - Philadelphia, PA, United States


Rails Engines, Ruby on Rails API, React


RubyMine, RSpec


Ruby on Rails 5, Jest


Jazz, Ruby






Music, Music Composition, Sibelius

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