Andrei Kaleshka

I love Ruby, passionate about clean soft architecture, code performance, readability, simplicity, and maintainability. All of that allows me to build applications with minimum price but maximum value.

Warsaw, Poland Joined on Oct 13, 2019 andrei.kaleshka@widefix.com https://widefix.com/

Rails, PostgreSQL, TypeScript, React, Next.js

Psychology, business development, SEO.

WideFix

Rails dev consulting.

7 posts published

2 comments written

0 tags followed

Andrei Kaleshka

Dec 22 '23

Cheaper and Risk-Free Ruby on Rails App Redesign

#railsdevelopment

4 min read

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Andrei Kaleshka

Jul 14 '23

Select unique latest grouped records from DB

#sql #activerecord

5 min read

Andrei Kaleshka

Jul 14 '23

Use timestamp for predicates in Rails

#rails #activerecord #dsl

3 min read

Andrei Kaleshka

Jun 12 '23

Optimize Rails app performance with ChatGPT

#chatgpt #sql #postgres #performance

5 min read

Andrei Kaleshka

May 25 '23

How to write SQL query in Ruby On Rails

#sql #postgres #rails #railsdevelopment

4 min read

Andrei Kaleshka

May 25 '23

Improve NextJS application performance

#performance

2 min read

Andrei Kaleshka

May 25 '23

Make your Ruby on Rails app 80x faster with SQL

#sql #activerecord #rails

9 min read

DEV Community

Andrei Kaleshka

Badges

Five Year Club

Writing Debut

Four Year Club

Three Year Club

Two Year Club

One Year Club

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Currently learning

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Available for

Cheaper and Risk-Free Ruby on Rails App Redesign

Want to connect with Andrei Kaleshka?

Select unique latest grouped records from DB

Use timestamp for predicates in Rails

Optimize Rails app performance with ChatGPT

How to write SQL query in Ruby On Rails

Improve NextJS application performance

Make your Ruby on Rails app 80x faster with SQL