Arthur Faria

Arthur Faria

๐Ÿ‡ง๐Ÿ‡ท Belo Horizonte, Brazil ๐Ÿ‡ง๐Ÿ‡ท

Software Engineer with 3+ years of experience building products. I bridge the gap between technical excellence and business growth.

LinkedInGitHubSubstack
RubyJavaScriptTypeScript
RailsNode.jsNext.jsReact

scroll down โ†“

Experience

FIT Energia (Santander Group)

Software Engineer

Full time ยท FullstackยทBelo Horizonte, BrazilยทMar 2025 โ€“ Present
Ruby on Rails
  • โ†’Promoted 3x in a single year
  • โ†’Patched a critical IDOR vulnerability, preventing unauthorized modification of user financial data
  • โ†’Increased user acquisition by 30% via a backend reward-referral system
  • โ†’Reduced RAM usage by 70% using rate-limiting and concurrency in background jobs
  • โ†’Led technical talks on OOD, Sidekiq Enterprise, and Clean Code

Experience

Freelancing

Fullstack Software Engineer

ContractยทRemoteยทJul 2024 โ€“ Mar 2025
ReactNext.js
  • โ†’Built a real estate management platform with Next.js for centralized cataloging and automated price updates
  • โ†’Implemented automated property sync via third-party APIs, reducing manual overhead
  • โ†’Increased CTR by 60% on a solar energy landing page

Experience

Pingback

Software Engineer

Full time ยท BackendยทBelo Horizonte, BrazilยทOct 2023 โ€“ Jul 2024
Node.js
  • โ†’Built an AI-driven analytics engine using OpenAI APIs, turning raw newsletter metrics into actionable insights
  • โ†’Developed a lead-generation page with gated content delivery to drive newsletter subscription growth

B.Sc. Software Engineering, The Pontifical Catholic University of Minas Gerais

Contact

Send me a Reels

Or maybe just say hi?