Oliwer Mroczkowski

Hi, I’m

Oliwer Mroczkowski

Frontend Developer & Engineer

I design and build interactive, modern web applications with React, Angular, and Node.js. Passionate about creating engaging user experiences with clean design and solid code.

Let's begin Contact Me

About Me

I am a Frontend Developer and Master Engineer in Computer Science with several years of experience. I specialize in React.js, Angular, and modern JavaScript, building web apps that are both functional and visually engaging.

Beyond coding, I enjoy working on interactive projects in Unity, exploring new technologies, and solving challenging problems.

Skills & Expertise

Frontend Development

Expert

React.js, Angular, TypeScript, HTML/CSS

Backend Development

Advanced

Node.js, Nest.js, Firebase, MongoDB

UI & UX

Advanced

Web App Design, Responsive Layouts, Interactive Interfaces

Additional

Intermediate

Python for data processing, Unity (C#) for interactive apps

Tools

Advanced

Git, Docker, Firebase, REST APIs

Experience

Exon Computer Systems

Oct 2024 – Present

IT Department Coordinator / Frontend Developer

  • Developing and maintaining web apps with React.js and Node.js
  • Integrating external devices (sensors, printers) using Node.js and Python
  • Designing interactive Unity (C#) applications and multimedia systems

MGA Sp. z o.o.

Jan 2024 – Apr 2024

Frontend Developer (Angular)

  • Designed and implemented new Angular features
  • Conducted code reviews and supported recruitment processes

ECWM Torun

Oct 2020 – Dec 2023

Frontend Developer

  • Built React.js & Nest.js web apps and dashboards
  • Supported data analysis and visualization

Education

Nicolaus Copernicus University

2023 – 2024

Master of Computer Science

Nicolaus Copernicus University

2019 – 2023

Bachelor of Computer Science Engineering

Projects

TopSupple online store

A React.js complete store with CMS, basket, payment, admin panel etc.

Fitrening - page for sport users statistics

App with 3 levels of privileges and statistics generating system - with login, changing password, admin panel etc.

ECWM site

Built with React.js promotion webapp

Let’s Connect!

I’m always open to new opportunities, collaborations, and exciting projects. Feel free to reach out!