6 posts · written by the people who build

Notes from
the CleverLabs

All #Fintech #Hyperledger #RubyOnRails #ai-engineering

Latest #ai-engineering 3 Aug, 2026

Building a Production LLM Agent in Rails

How we build a production insurance AI assistant in Rails with RubyLLM, covering RAG, tool-calling, and the trust boundary.

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Ruslan Yemchyk CEO

24 min

#RubyOnRails 24 Sep, 2024

A Week with Sandi Metz’s Practical Course

What CleverLabs learned from Sandi Metz’s Practical Object-Oriented Design course on intentional design, refactoring, and real-world OOP.

Arseni Yemchyk COO

3 min

#RubyOnRails 18 May, 2023

Why Ruby on Rails is a Good Choice For Your Startup?

Why Ruby on Rails is still one of the best choices for startups: speed to market, flexibility, and a mature ecosystem.

Arseni Yemchyk COO

5 min

#Hyperledger 23 Oct, 2019

Hyperledger Fabric: from local environment to AWS production. Part 1

From a local Fabric network to AWS Managed Blockchain. Part 1 of our Hyperledger development series.

Ignat Zakrevsky CTO

7 min

#RubyOnRails 15 Apr, 2019

Rails tests with RSpec: good approaches

Some thoughts on the vision of writing RSpsec tests for more or less complex Rails apps

Ignat Zakrevsky CTO

4 min

#Fintech 15 Apr, 2019

Rules on working with money-related code

Top-8 tricks on working with money-related code in one place

Ignat Zakrevsky CTO

2 min

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About
CleverLabs

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We’re a software engineering team building Web and API products for companies worldwide. This space is where we share what we learn along the way: practical notes from real projects, the decisions behind them, and the craft that keeps delivery both sharp and fast.