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Paweł U. | Ruby on Rails Web Development Consultant Full Stack Blog
Get the latest updates from Paweł U. | Ruby on Rails Web Development Consultant Full Stack Blog directly as they happen.
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Latest posts
Last updated 3 months ago
Rustikon Talk - Rust Performance Profiling using hotpath-rs
3 months ago
Recently I gave a talk at the Rustikon conference about hotpath-rs -...
Lessons Learned Building High-Performance Rust Profiler
3 months ago
The Rust performance book features over a dozen different profiling tools. So...
How to Automate MEV Analysis on EVM Chains using OpenClaw MCP
4 months ago
Searching for MEV profit opportunities often requires tedious blockchain monitoring and analysis...
Screencast - How to Debug Rust Performance using hotpath and channels-console
9 months ago
In this screencast I showcase my newly released Rust crates - hotpath...
How to automatically Profile Performance of Rust Applications
10 months ago
Rust is blazingly fast - until you’re trying to understand why your...
Using LLMs and MCP to Debug PostgreSQL Performance in Rails
about 1 year ago
I’ve recently automated a large portion of my Rails performance gigs. In...
My puts Debugging Workflow in Rails Apps
over 1 year ago
Puts debugging is the best. In this tutorial, I’ll walk you through...
How to Extract long-tail MEV Profit from Uniswap
over 1 year ago
Any imbalance that makes it past the Mempool is a potential source...
How to Discover long-tail MEV Strategies using Revm
over 1 year ago
It’s extremely challenging for MEV newcomers to profit from popular strategies. That’s...
Screencast - My Ruby on Rails Development Workflow in 2025
over 1 year ago
A follow-up video to my workflow screencast from over 6 years ago...
Lessons Learned Migrating my SAAS to Rails 8
over 1 year ago
My side project Abot for Slack, has been around for ~7 years...
How to Send deadbeef Transactions with Alloy
over 1 year ago
0x0000000 accounts are so last season. Now it’s all about vanity tx...