The problem solving company


Problem  Challenge  accepted  Smart solution

  • In our world we do not distinguish between client and provider, we are two fair partners.
  • We transform partners' requirements or ideas to smart solutions.
  • We prefer thorough solutions instead of a brute force.
  • MJCH stands for quality, sustainability, security, performance and economy of our solutions


Our ethical hackers and admins gladly help you to identify security risks of digital world, provide effective and comprehensible process of risk mitigation and minimize impact on your business.

Software development

Fully rely on our efficient mages of development to conjure You a software supporting ambitions of Your business. Daily we create a high quality web sites, mobile or desktop apps and we are ready to prove it.


Your IT systems needs improvement, but your support is not fast enough? Delegate run and maintenance of your systems to skillful hands of our admins and invest Your time entirely to run your business.
(SOHO, Enterprise)


Data visualisation enabling interactive visual data analysis. We look forward to help with community projects.


Audit, penetration testing, security policies and stanrdards; ISO 27001-27002, OWASP, CEH, Common Sense, GDPR

Java, Android, PHP, MySQL, PostgreSQL, MSSQL, DB2, ORACLE, ElasticSearch, Ecma/JavaScript, jQuery, React, AngularJS, HTML5, YII, Laravel, CodeIgniter, Python, Bootstrap, LESS, SASS, SCSS, Docker

CentOS/RHEL, Debian GNU/Linux, Ubuntu, Windows Server, XEN, VMWare, Amazon AWS, Azure Cloud, Kubernetes, Zabbix, Prometheus, OpenWRT, CISCO, Mikrotik, Huawei, ESET, Lenovo, HPE, Synology

D3, Google Chart, PaperJS, Google Docs, GraphQL, OpenGL, CanvasJS, jqPlot



We would like to extend our Bratislava (Slovakia) based team with new coleagues.

Work positions