Hi, I'm Oleks

🏠 Berlin • Senior Software Engineer at Pitch

Helping companies build great products with React, JavaScript and Clojure(Script).

Oleksandr Hrishchuk

Blog

Problem Solving Using Computational Thinking
February 21, 2021
coding es6 javascript developer life coursera coursera certification problem solving problem-solving problem solving methods learning computational thinking
AWS CLI fatal error: An error occurred (SignatureDoesNotMatch) when calling the ListObjectsV2 operation
November 21, 2020
coding dev devtools devops itops aws aws configure amazonaws cli docker aws cli aws s3 cli amazon ci gitlab ci ci pipelines docker aws-cli s3 sync aws s3 gitlab ci yml gitlab ci tutorial gitlab ci variables
How to upload files to AWS S3 bucket using official Docker image and Amazon AWS CLI s3 sync with GitLab CI
October 18, 2020
coding es6 javascript dev devtools devops aws aws configure amazonaws cli docker gitlab ci yml gitlab ci tutorial gitlab ci variables cloud computing aws cli aws s3 cli amazon ci gitlab ci ci pipelines docker aws-cli s3 sync aws s3
How to setup Apollo Client in order to perform GraphQL queries with NextJS
June 10, 2020
coding es6 javascript dev devtools react graphql apollo client apollo server ssr next nextjs code api API mongodb
Setting up GraphQL API with MongoDB and Apollo Server for a NextJS app
June 8, 2020
coding es6 javascript dev react graphql apollo client apollo server ssr next nextjs code api API mongodb
Migrating tasks and notes from Wunderlist to Joplin
April 9, 2020
coding es6 javascript dev devtools react todo todo app notes wunderlist microsoft microsoft to do list app productivity migration joplin
How to create custom Create React App (CRA) templates
January 16, 2020
coding es6 javascript dev devtools react create-react-app cra-template template enzyme eslint redux react-redux react-router react-router-dom typescript prettier
Extend your end-to-end Cypress tests with visual tests using AI and Applitools
December 20, 2019
coding e2e e2e tests javascript dev end-to-end tests applitools visual tests devtools Cypress cypress
Measure performance of the app on every push with Lighthouse CI GitHub Action
In this article we're going to create GitHub Action witch is generating Lighthouse report.
December 7, 2019
js javascript lighthouse lighthouse ci page performance lighthouse audit
Provide common context to React components with useContext() hook
November 30, 2019
js javascript react react hooks react custom hooks