Engineering 50TB+ Data Environments

Łukasz
Modliński.

Senior Software Engineer with 15+ years of experience in Ruby on Rails high-traffic ecosystems. Specializing in scaling data-heavy platforms (6.5M+ users) and replacing manual bottlenecks with LLM-driven business workflows.

Technical Edge:
Modern Rails, 50TB Scale & AI Ops

I architect backend systems for massive throughput, specializing in legacy modernization to current standards and reducing infrastructure overhead via automated self-hosted environments. Expertise includes distributed data processing (Citus/ClickHouse) and integrating LLMs to solve complex business workflow automation.

Modern Rails Specialist Distributed SQL & Columnar LLM Integration & Agents Custom Deployment Workflows Hotwire / High-Speed UI Linux Bare-Metal

Verification
& Projects

Engineering Judgment

Making the right technical calls to avoid over-engineering while maintaining predictable delivery in high-stakes environments.

Zero-Regression Stability

Ensuring long-term velocity through 85%+ TDD coverage and defensive engineering, effectively eliminating technical debt cycles.