Backend, architecture, ruby, linux, databases. Love to investigate low-level things and software internals.
A RuboCop plugin that allows to disable some unfavorite ruby syntax, such as `unless`, safe navigation etc.
Catch unsafe PostgreSQL migrations in development and run them easier in production (code helpers for table/column renaming, changing column type, adding columns with default, background migrations, etc).
Make your long-running sidekiq jobs interruptible and resumable.
A tracer for Active Record queries
Quickly get a count estimation for large tables (>99% of accuracy for PostgreSQL).