kjaniszewski
Krzysztof Janiszewski
Technical Team Lead at The Portfolio Collective
Wielka Nieszawka, Poland

Experienced Fullstack Developer with a demonstrated history of working in the information technology and services industry. Strong engineering professional skilled in Customer Service, PHP, JavaScript, Strategic Planning, Web Development, and Project Management.

CodersRank Score

What is this?

This represents your current experience. It calculates by analyzing your connected repositories. By measuring your skills by your code, we are creating the ranking, so you can know how good are you comparing to another developers and what you have to improve to be better

Information on how to increase score and ranking details you can find in this blog post.

3,408.4
CodersRank Rank
Top 1%
Top 5
JavaScript
JavaScript
Developer
Poland
Top 5
PHP
PHP
Developer
Poland
Top 1
Svelte
Svelte
Developer
Poland
Show all badges
Highest experience points: 0 points,

0 activities in the last year

PHP
PHP
1,132.8
exp.
Top 0.04% out of 106K Worldwide Top 1% out of 460 Poland
JSON
JSON
358
exp.
Top 0.6% out of 281K Worldwide Top 2% out of 1K Poland
Svelte
Svelte
237.5
exp.
Top 0.5% out of 5K Worldwide Top 5% out of 24 Poland
JavaScript
JavaScript
694
exp.
Top 0.2% out of 277K Worldwide Top 1% out of 1K Poland
CSS
CSS
216.6
exp.
Top 0.4% out of 264K Worldwide Top 1% out of 1K Poland
HTML
HTML
87.3
exp.
Top 4% out of 290K Worldwide Top 6% out of 1K Poland
SCSS
SCSS
587.8
exp.
Top 0.02% out of 127K Worldwide Top 1% out of 658 Poland
Symfony
Symfony
Top 0.06%
ReactJS
ReactJS
Top 5%
Svelte
Svelte
Top 3%
NodeJS
NodeJS
Top 9%
Webpack
Webpack
Top 2%
NextJS
NextJS
Top 40%
ChartJS
ChartJS
Top 5%
Rollup
Rollup
Top 7%
Laravel MongoDB
Laravel MongoDB
Top 41%
Gulp
Gulp
Top 13%
JUnit
JUnit
Top 36%
Yii2
Yii2
Top 79%
Laravel
Laravel
Top 87%
Angular
Angular
Top 90%
RxJS
RxJS
Top 88%
Jest
Jest
Top 89%
Redux
Redux
Top 93%
GraphQL
GraphQL
Top 97%
List your work history, including any contracts or internships
The Portfolio Collective
2 years 11 months
Current workspace
Currently Krzysztof Janiszewski supports the The Portfolio Collective

Krzysztof Janiszewski's scores will be added to this company.

Technical Team Lead
Nov 2022 - Present (1 year 8 months)
Senior Fullstack Developer
Aug 2021 - Dec 2023 (2 years 4 months)
Senior Fullstack Developer
wordpress php ReactJS mysql gcp google cloud javascript kubernetes docker symfony ReactJS aws terraform rest api jenkins phpunit phpmyadmin elasticsearch php composer linux nginx ci/cd scss css composer bash gitlab
Centrum Psychiatrii i Psychoterapii COLLIGO
Sep 2020 - Dec 2023 (3 years 3 months)
Toruń, Kujawsko-pomorskie
Manager at Centrum Psychiatrii i Psychoterapii COLLIGO
Responsible for business development, management and software development for this clinic.
svelte php javascript api android mysql chrome ajax rest api responsive design scss webpack json jquery npm sass xml axios oop symfony unit testing tdd phpunit php composer
SEOBUDDY
Nov 2017 - Aug 2021 (3 years 9 months)
Remote
CTO & Co-Founder
CTO & Co-Founder
php symfony mysql scss headless nodeJS api figma json paddle responsive design npm sass axios webpack ajax jquery

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