I am a Principal Engineer and technical leader focused on making complex, business-critical backend systems easier to understand, more reliable, and safer to change.
I have been building software for more than 20 years and working with Ruby on Rails since 2006. My core expertise includes Ruby on Rails, PostgreSQL, backend architecture, APIs, distributed systems, platform engineering, reliability, background jobs, authentication, authorization, and billing.
I am particularly effective in large, evolved SaaS systems where complexity extends beyond the codebase into infrastructure, operations, product decisions, ownership, and organizational boundaries. My approach combines hands-on engineering with pragmatic architecture, explicit trade-offs, strong tests, operational visibility, and long-term maintainability.
I have contributed more than 3,000 answers on Stack Overflow, earned over 100,000 reputation, maintained Ruby libraries used in production, and contributed to the Ruby on Rails ecosystem.
I write about software architecture, engineering leadership, organizational design, AI-assisted development, ownership, and reliability.