Wiktor Czernik

IT Specialist | Full-Stack Developer

E-mail: info@czernik.dev

Phone: +48 517 076 220

Github: wiktorczernik

Tools

Work experience

IT Specialist

Hopa Lupa

Łódź, Poland

  • Identified and reported security vulnerabilities in IT systems
  • Supported the creation, development, and improvement of websites managed by Sukcesja Play sp. z o.o.
  • Monitored the condition of computers and equipment and responded to technical failures
  • Diagnosed technical issues and coordinated repair processes
  • Operated POS systems, cash registers, and handled financial settlements
  • Provided technical support to cashiers and other employees
  • Reported software bugs and cooperated with system vendors
  • Ensured proper operation of hardware and workstations

Production Worker

Truvant

Łódź, Poland

Programming Trainer

STEP IT Academy

Łódź, Poland

  • Taught the basics of computer science and computer operation
  • Conducted programming classes in Python
  • Taught game development in Unity using C#
  • Introduced students to electronic projects using Arduino and C++
  • Taught the fundamentals of website development using HTML, CSS, and JavaScript
  • Taught the basics of photo editing and image processing in Photoshop

Full Stack Developer (Project-Based Collaboration)

PROFEKTUS

Łódź, Poland

  • Developed an internal company application using React and CodeIgniter
  • Migrated the frontend from jQuery to React, improving performance and maintainability
  • Extended and enhanced application functionality during a long-term collaboration
  • Improved processes for creating, managing, and handling service requests
  • Implemented a module for tracking equipment usage and employee performance analytics
  • Added an internal chat for employees
  • Implemented a customer notification system for equipment status updates
  • Eliminated multiple security vulnerabilities, increasing the application’s resilience to threats

Marketing and Sales Associate (Freelance Collaboration)

SVK - Landscaping and Finishing Services

Łódź, Poland

  • Handled incoming customer calls and provided information about services
  • Prepared service quotations for landscaping projects and scheduled appointments
  • Communicated with clients regarding complaints and service requests
  • Created marketing materials, including graphics, flyers, and company branding assets
  • Managed social media advertising campaigns and monitored their performance
  • Supported promotional and marketing activities to increase sales

Photo Editing Assistant (Freelance Collaboration)

Malowanie Światłem

Remote

  • Edited and retouched pole dance photos using Adobe Photoshop
  • Ensured quality and visual consistency of photographic materials

Education

Vocational school Cosinus Łódź

Vocational school TEB Edukacja Łódź