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CalebCoxCaleb Cox

Senior Software Developer

(469) 907-4156caleb@calebcox.devMcKinney, TX

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Skills

Languages: TypeScript · JavaScript · Ruby · SQL · Python

Frameworks & Libraries: React · Ruby on Rails · Node.js · Jest · RSpec · AngularJS

Web: REST APIs · GraphQL · HTML · CSS · Tailwind CSS

Infrastructure: AWS · PostgreSQL · GitHub Actions · Docker · CI/CD

Developer Tools: Git · shell scripting · Claude Code

Education

Thomas Edison State University

Bachelor of Science in Computer Science03/2016

Experience

Cru

Senior Software Developer10/2022 – Present

  • Migrated a custom authentication system to Okta for a donation platform processing $75M annually, seamlessly transitioning 380,000 users with no production incidents.
  • Served as technical lead for multiple cross-functional initiatives, defining system architecture, decomposing work, coordinating implementation across engineers, and driving projects from planning through production delivery.
  • Led a multi-year migration of a donor CRM from AngularJS to React, modernizing the frontend architecture and improving application security and maintainability.
  • Improved Ruby on Rails GraphQL API performance by 25% and reduced JavaScript bundle sizes by 40%, decreasing page load times and improving perceived application responsiveness.
  • Extended the conference registration platform to support an additional department, eliminating a third-party vendor contract and saving tens of thousands of dollars annually.
  • Rebuilt the interactive campus map in React, generating 130 prospective student leads during its first year.
  • Implemented electronic HR submission and approval workflows using Ruby on Rails, GraphQL, and TypeScript, replacing paper-based processes and reducing manual administrative work.
  • Established team workflows for integrating AI-assisted development tools (Claude Code) into daily development, accelerating implementation, debugging, architectural exploration, and refactoring.
  • Mentored software engineers through code reviews, pair programming, and technical coaching, helping teammates resolve complex problems while promoting maintainable engineering practices.

Cru

High School Field Staff08/2017 – 10/2022

Cru

Intern Software Developer08/2016 – 08/2017

  • Developed the AngularJS frontend for the single-page rewrite of MissionHub, enabling campus staff to record, aggregate, and analyze ministry metrics across organizational levels.
  • Implemented frontend support for migrating conference registration payment processing to a PCI-compliant third-party provider.