Ruby on Rails Developer
Building reliable, human-centered software with Ruby.
I am Banura Randika Perera, a software engineer focused on Ruby on Rails, product design, and building systems that scale with empathy. I care deeply about clean architecture, developer experience, and shipping reliable products. I also enjoy mentoring teams and leading upgrades that keep platforms modern and stable.
Ruby 4, Rails 8.1, Kubernetes, Infrastructure as Code
Exploring modern Rails runtime upgrades alongside platform and infrastructure automation.
Latest Writing
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Apr 25, 2026
Moving on from Heroku — Part 1
Evaluating OVH cloud for production. I work in a SaaS company with a strong foothold in the aviation industry. This article outlines an our evaluation proces...
Apr 13, 2026
Managing Rails Database Schemas Across Branches: A Practical Guide to db/schema.rb Conflicts
The Problem Every Rails Team Faces (But Few Talk About). You open a pull request. CI passes. Code review looks good. Then: git merge master produces this: CO...
Nov 14, 2023
Advanced uses of ‘select’ in Ruby
Advanced use cases for the ‘select’ method. In the world of Ruby programming, the select method is more than just a basic tool for filtering arrays. It’s ver...
Highlights
Ruby Craftsmanship
Crafting clean, expressive, and testable Ruby with a focus on performance, maintainability, and team-friendly conventions. Led major Ruby and Rails upgrades while keeping production stable.
Product Engineering
Delivering end-to-end SaaS features across backend, UI, and integrations, balancing speed with reliability and thoughtful UX. Comfortable leading delivery in distributed teams.
Systems Thinking
Designing resilient systems with observability, data integrity, and scalability in mind, from background jobs to APIs and caching. Built platform capabilities that support long-term growth.