Make your development process easy

Full-stack Developer with a passion for building beautiful and functional websites and applications.

Display work on macbook

Specialization

FROM SMALL TO LARGE
Web Development

Web Development

My journey in web development commenced during high school, where I pursued a specialization in computer science. This educational foundation laid the groundwork for my progression to the esteemed University of Gdańsk, where I earned a degree as an IT Engineer. Over the past years, I have actively contributed to the field as a seasoned web developer.

Front-end

Full-stack

hight dynamic, global fast
Mobile Development

Mobile Development

My foray into mobile development commenced with a compelling freelance opportunity, wherein I undertook a project utilizing React Native. Operating as a sole developer, I successfully crafted an application for a discerning client based in the USA. This application, designed to manage vouchers from bars worldwide, showcased a sophisticated technological stack.

React Native

Firebase

AWS

Typescript

Strapi

FreeDay Project

Application using artificial intelligence to automate chats, emails and phone calls. As a Full-stack developer I was responsible for the development of the backend and frontend of the application. Besides that, I was doing code review, task description from technical point of view.

React

React Query

React Hook Form

NextJS

Material UI

Typescript

RWD

Figma

Firebase

FreeDay Project Mockup
Barvoucher Project Mockup

Bar Voucher Project

BarVoucher Your gateway to exclusive discounts at the best bars and restaurants in your city. I worked on the project as an independent programmer responsible for the back-end of the application and translating the figma project into code.

React Native

React Hook Form

React Query

Stripe

Typescript

Figma

Firebase

Barvoucher Project Mockup
Christian hypnobirth Project Mockup

Christian Hypnobirthing Project

Scripture-based breathing exercises, visualizations, positive affirmations, and more. Main task in the project was to implement User Flow back-end and visual part of the application. I was also responsible for improving the already created code and fixing bugs.

React Native

React Hook Form

React Query

Typescript

Figma

Firebase

Christian hypnobirth Project Mockup

Main Stack

  • Logo of React.js

    React.js

  • Logo of React Native

    React Native

  • Logo of Next.js

    Next.js

  • Logo of TailwindCss

    TailwindCss

  • Logo of Photoshop

    Photoshop

  • Logo of TypeScript

    TypeScript

  • Logo of Firebase

    Firebase

  • Logo of Aws

    Aws

  • Logo of Google Cloud

    Google Cloud

  • Logo of .Net

    .Net

  • Logo of Strapi

    Strapi

  • Logo of Wordpress

    Wordpress

  • Logo of Shopify

    Shopify

Experience

03/2023 – Present

Qualent sp. z.o.o.

Software Engineer

Designed and implemented responsive and scalable front-end solutions using Next.js and Sitecore CMS.

Collaborated with UX/UI designers to create intuitive and visually appealing user interfaces.

Debugged and tested solutions using Jest to ensure quality and stability.

Mentored junior developers and conducted workshops on React.js and TypeScript.

Developed APIs and integrated data using .NET Core and Node.js.

  • React

  • Next.js

  • SiteCore CMS

  • Tailwind CSS

  • Redux

  • React Hook Form

  • TypeScript

  • Figma

  • Jest.js

  • .NET

  • Jira

  • OrderCloud

02/2022 – 03/2023

CVT Service

Full-stack Developer

Developed scalable React.js applications with a focus on testability and maintainability.

Built backend services using Django REST Framework and Nest.js.

Conducted comprehensive testing to ensure high performance and reliability.

Integrated Google Cloud Platform services (Cloud Storage, Cloud Functions, Firestore) for scalable cloud-based solutions.

  • React

  • Material UI

  • Redux

  • React Hook Form

  • TypeScript

  • Figma

  • Jest.js

  • Python

  • Django

  • Jira

  • GCP

01/2021 – 02/2022

Necto S.A.

Full-stack Developer

Designed and implemented dynamic and responsive user interfaces using React.js and the MUI library.

Built backend services with .NET Core, Entity Framework, and PostgreSQL.

Implemented unit, integration, and end-to-end tests to enhance the development workflow.

Participated in code reviews and provided constructive feedback to maintain high code quality.

  • React

  • .Net

  • TypeScript

  • UI Library

  • Entity Framework

  • Jira

10/2019 – 01/2021

Build IT Up

.NET Developer

Designed and developed web applications using ASP.NET Razor Pages.

Improved user experience through effective use of jQuery for interactivity and responsiveness.

Performed thorough testing to ensure application reliability and stability.

Created and maintained technical documentation for code, APIs, and application architecture.

Introduced Kanban methodology to improve workflow and project management efficiency.

  • .Net

  • jQuery

Contact Me

Phone: +48 691-530-536

Email: karolmajit@gmail.com