Medium

Kirill Shevchenko

Kirill Shevchenko

·

Dec 27, 2025

One Year of Bootstrapping a Profitable AI SaaS

My journey on how to build a side project and not quit until it pans out

One Year of Bootstrapping a Profitable AI SaaS

Kirill Shevchenko

·

Oct 11, 2025

Redis Key Patterns: Namespace, Version, Data Type, Id

How to name Redis keys to avoid data conflicts and collisions

Redis Key Patterns: Namespace, Version, Data Type, Id

Kirill Shevchenko

·

Aug 26, 2024

9 Ways to Run System Commands in Ruby

When to use which methods to run shell commands

9 Ways to Run System Commands in Ruby

Kirill Shevchenko

·

Nov 13, 2023

Misusing of NotImplementedError in Ruby

Common mistakes and existing alternatives

Misusing of NotImplementedError in Ruby

Kirill Shevchenko

·

Aug 28, 2022

Using Protobuf Message in Redis with Golang

Data marshaling, migration and backward compatibility

Kirill Shevchenko

·

Mar 27, 2022

Открытие счета в банке при переезде в UK

Одной из первых задач при переезде в Англию является открытие счета в банке. Осложняется все тем, что большинство банков по умолчанию…

Kirill Shevchenko

·

Mar 27, 2022

How to find Min or Max value in a Stack with Go

This is a typical interview question which is going to ask you to implement a stack which can track the maximum or minimum value for the…

Kirill Shevchenko

·

Jan 3, 2022

Опыт поиска жилья в Кембридже

Поиск жилья основная сложность с которой я столкнулся после переезда в Англию.

Опыт поиска жилья в Кембридже

Kirill Shevchenko

·

Jul 31, 2021

BFS and DFS algorithms in Ruby

In this article I’ll consider two common approaches to implementing depth-first search and breadth-first search in Ruby.

BFS and DFS algorithms in Ruby

Kirill Shevchenko

·

Jan 2, 2021

Ruby Graceful Application Shutdown with SignalExeption and SIGTERM

In Container-based DevOps solutions like Kubernetes, ECS, Heroku an application must be able to stop accepting new client requests before…

Kirill Shevchenko

Kirill Shevchenko

Software Engineer. Excited about LLMs, AI, indie hacking and scalable architectures. Building distributed systems and cloud services.

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