≺jonasz.IT/≻ — Apps & Websites

About

Hello! I'm Karol and I'm glad you're here!

Currently I work as a Java developer, and I program because I love it. Besides the strictly technical and complex back-end side, I also work with the more visible side of the virtual world - the front-end. Don't know what I'm talking about? No worries! That's my job to know, that's why I'm here.

Want to have a website your competition would envy? Get ahead and contact me! You write to me, I'll create your website. HTML5, CSS3, JS. With these tools I'll create a fully responsive website, adapted for large desktop screens as well as small mobile devices, not forgetting about tablets.

Beyond amazing websites, I can develop personalized systems for your business. This way you can have exactly the application you need, perfectly tailored to your requirements. I build applications using Angular, TypeScript, Java, Spring Boot that can run in the cloud or on local machines. I provide full service and technical support in maintaining the created applications.

I invite you now to check out my projects that have been completed or are still in progress.

Portfolio

Here you can find my last projects.

Clear website for a tourist facility in Bieszczady mountains, presenting accommodation offers and local attractions.

Widokówka

Touristic apartments.

Professional website for a law office specializing in family law, with complete presentation of legal services.

Law Office

Family law

Website for a sports group with information about training sessions, competitions and achievements of team members.

Wilcza Sfora

Sport team.

Website for an IT company creating software for social welfare institutions and public administration.

Top-Team TT

IT Software.

Website for a mathematics tutor who also offers coaching services, with a blog.

Matematyczny Lew

Tutoring and coaching.

Advanced web application for managing orders and training, built with Angular and Spring Boot.

Top-Team TT

Application for managing orders and training.

Watch presentation

Employee task management system designed for a foundation, enabling efficient division of work.

TT Usługi środowiskowe

Application for managing employee tasks.

Professional landing page for a law office presenting the range of legal services and contact information.

Law Office

Landing page website for a law office.

Professional website for a PR agency specializing in building and managing online reputation for companies and brands.

Reputation Right

PR Agency

Do you have an idea for your own project? Don't wait! Order a website or application tailored to your needs!

Future projects - Your project could be next

Next project!

Custom Solutions

Specialized projects that will make your business stand out. We transform complex business requirements into elegant and functional technological solutions.

Why choose a custom-tailored solution?

The websites and applications I build are created for the individual needs of each client, based on unique programming code. After completion, the projects belong 100% to you, and you decide the future of your project.

Advantages:

Full personalization - adaptation to your specific business needs.
Unlimited expansion - ability to develop functionality in any direction.
Independence from providers - the code belongs to you, you're not dependent on platforms.
Low maintenance cost - no fees for plugins and additional functionalities.

Disadvantages:

Longer implementation time - building from scratch requires more time than a ready-made system.
Higher initial cost - custom solutions are more expensive to start.

Business benefits:

Higher performance - code optimization for specific applications.
Better security - no common vulnerabilities known from ready-made systems.
Scalability - easy adaptation to growing company needs.

Technologies:

Front-end: HTML5, JavaScript, Angular
Back-end: Java, TypeScript and others
Databases: MySQL, PostgreSQL and others
DevOps: Docker, CI/CD

I start each project with a thorough analysis of the client's needs to deliver a solution that not only meets expectations but also brings real business benefits. Thanks to a flexible approach, I can adapt to changing requirements during project implementation.

Get a quote for your idea!