visitor@bartlomiejstepien:~$  

Hi, I'm Bartłomiej Stępień.
I build fullstack web applications.

Fullstack Developer specializing in Java / Spring Boot on the backend and Angular on the frontend — with a soft spot for workflow automation, clean APIs, and self-hosted infrastructure.

View Projects Get in Touch

// stack

Skills & Tools

Technologies I am familiar with and use them on daily basis:

Java
Spring Boot
Angular
RxJs
NgRx
TypeScript
JavaScript
HTML5
CSS3
PostgreSQL
MySQL
Docker
Kubernetes
Git
Linux
Jenkins
IntelliJ IDEA
Apache
Maven
Gradle
Github
Gitlab

// career

Experience

Where I've worked and what I did there.

Fullstack Developer

2024 — Present

BNP Paribas Bank Polska S.A.

Fullstack development on Spring Boot microservices with Camunda BPM workflow orchestration. Also built and maintained Angular front-ends with reactive forms and NgRx state management.

Backend Developer

2023 — 2024

BNP Paribas Bank Polska S.A.

Work as a backend developer in polish group of french bank BNP Paribas. I was developing backend part for BNP Paribas mobile app GOMobile.

Fullstack Developer

2020 — 2023

PZU

Work as a software developer in polish insurance company. Under work in a Scrum Agile team, I was improving PZU's life and property claim system.

Fullstack Developer

2017 — 2019

Folksam

Work as a software developer in Swedish insurance company. I was working on a document handling web-system.

.NET Developer

2016 — 2018

Gruppera

Work as a consultant in software developing. I was building a ASP.NET MVC Website, creating an Ionic App and working on a invoicesystem build in WPF.

// side projects

Projects

Some things I've built in my own time.

ARMA-Server-Web-Gui

Arma 3 Server Management Web GUI for Windows and Linux systems.

Spring Boot Angular Java Docker Maven Jenkins
View on GitHub

WolfieBot

A Spring Boot + JDA powered Discord bot with AI chat features via the Gemini API, built for TIS community.

Spring Boot JDA Gemini API Maven
View on GitHub

EagleFactions

A simple yet powerful factions plugin for Sponge Minecraft server platform.

Minecraft Java JDBC Gradle
View on GitHub

Steam-Web-Api-Client

A Java library for communication with Steam Web API

Java
View on GitHub

DrzewicaCraft

City-building game project called DrzewicaCraft. It is a recreation of a Polish town Drzewica in popular computer game Minecraft.

Minecraft
Open site

And many more...

All other projects (Chess, Chats, other MC mods etc.) can be found on my GitHub profile

Minecraft Arma Java
View on GitHub

// say hello

Get in Touch

Feel free to reach out through any of these — I check them regularly.

GitHub LinkedIn