Experience

MENTAX, EXTJS/JS DEVELOPER — 2012-2014

First full-time job as developer. I learned how to work with customers, developed skill
of working in team. Sensible adoption of scrum and CI.

SIEFIT, EXTJS/JS DEVELOPER — 2013

Working in this company teached me how to work with amateur or low-experienced
developers and how to organise time while working remotely.

APP’N’ROLL, JS/ROR DEVELOPER — 2013

This company was my first experience with start-ups where I learned working in shortlived sprints and with concise features.

ITKONTRAKT, EXTJS/JS DEVELOPER — 2013-2017

Development on various corporate-friendly frameworks and platforms.

EWORKGROUP, JS DEVELOPER — 2016-2017

Development on government invoice cloud-scaled system.

AKRA, JS DEVELOPER — 2017-2018

Development on government invoice cloud-scaled system.

ORM, SENIOR JS DEVELOPER — 2018

Development on Europe-wide multimillion booking users system.

MeWe Social Network, SENIOR JS DEVELOPER — 2019-2020

Frontend development and security analysis on growing social network.

Projects description

GOVERNMENT INVOICE CRM (REACT/JAVASCRIPT) — 2016–2017

Designing microservice cross-communication, designing Azure Cloud infrastructure and build process. Technologies used: React, Sequelize, Epilogue, Webpack, Selenium, TestCafe, Git, GitHub, Azure, AWS.

ENTERPRISE CRM (EXTJS/JAVASCRIPT/JSP) — 2013–2017

Designing and developing analysis system modules, views and aggregators. Technologies used: ExtJS 3.x, JSP, GMaps, Maven, Git, Windows, Jetty, Sling, Google Analytics, Omniture, jQuery, Sass, Less.

ADVERTISING SOLUTION (JAVASCRIPT/RUBY ON RAILS) — 2013

Designing and developing UX. Backend Google Universals modules for 3rd party APIs like New Relic. Technologies used: jQuery, Angular, Bootstrap, Google Universals, Git, New Relic, Grunt, NodeJS, RoR

ONLINE SHOP PLATFORM (EXTJS/JAVASCRIPT) — 2013

Designing and developing UX. Adoption of Agile, Allegro API, Magento Modules. Technologies used: ExtJS. 3.4, Allegro API, SMS-API, Magento, PHP, Grunt, SVN, jQuery

INSURANCE CRM (EXTJS/JAVASCRIPT) — 2012–2014

Designing and developing analysis system modules, views and aggregators. Adoption of Scrum and CI. Technologies used: ExtJS 4.x, Angular, Bootstrap, PHP, Git, SOAP, PostgreSQL.

MOBILE ENTERTAINMENT APP (JAVA/JAVASCRIPT/HTML5) — 2013

Development on 2d graphics and HTML5/CSS3. Technologies used: Angular, Bootstrap, Java, noSQL, Git, CSS3.

MOBILE MMO GAME (JAVASCRIPT/HTML5) — 2013

Development on Google Cloud APIs, 3d graphics and HTML5/CSS3. Technologies used: Google Localize, Google Elevate, 3D.js, Angular, NodeJS, WebSockets, CSS3.

WEB MOVIES DATABASE (JAVASCRIPT) — 2013

Development on noSQL databases and all-platform application. Technologies used: noSQL, Bootstrap, MySQL, CSS3.

Education/Certificates

2008–2012 – IT Technician
2010 – Installing and Configuring Window 7 Client (6292), Microsoft
2010 – CorelDraw (19137), Unizeto Technologies

Presentations run

2014 – Meet.js Wrocław – IE7 (and higher) Testing tools
2014 – Meet.js Wrocław – Sencha ExtJS: Web application framework
2014 – Tech.3Camp Gdańsk – Sencha ExtJS: Web application framework
2015 – Meet.js Gdańsk – ExtJS: HTML5 framework for web and desktop applications
2016 – Security Bsides Warsaw – Shut the system
2017 – Security Bsides Warsaw – Staying stealth
2020 – TEDxRóżanka – Online security basics

Hard Skills

Soft skills

Media

Soon you will see here my TEDx talk which only waits for editing! :)