### Hi! My name is Peter :wave:

I'm a professional Java + Python developer with 9 years of experience.

**Interests**: Algorithms, Containerization, Process Automations

**After hours**: LEGO, Railway modeling, Polish fantasy literature

### Tech Stack :wrench:

My job is oriented towards Java and Spring Boot. For internal and personal projects I use Python.

![Java](https://img.shields.io/badge/java-ED8B00?logo=openjdk&logoColor=white)
![Python](https://img.shields.io/badge/python-3670A0?logo=python&logoColor=ffdd54)
![Kotlin](https://img.shields.io/badge/kotlin-%237F52FF.svg?logo=kotlin&logoColor=white)
![Spring](https://img.shields.io/badge/spring-%236DB33F.svg?logo=spring&logoColor=white)
![Scala](https://img.shields.io/badge/Scala-002b36?logo=scala&logoColor=dc322f)
![Oracle](https://img.shields.io/badge/Oracle-F80000?logo=oracle&logoColor=white)
![PostgreSQL](https://img.shields.io/badge/PostgreSQL-316192?logo=postgresql&logoColor=white)
![Jenkins](https://img.shields.io/badge/jenkins-%232C5263.svg?logo=jenkins&logoColor=white)
![Docker](https://img.shields.io/badge/-Docker-2496ED?logo=docker&logoColor=white)
![Nginx](https://img.shields.io/badge/nginx-%23009639.svg?&logo=nginx&logoColor=white)
![LaTeX](https://img.shields.io/badge/LaTeX-%23008080.svg?logo=latex&logoColor=white)
![Markdown](https://img.shields.io/badge/markdown-%23000000.svg?logo=markdown&logoColor=white)

### Projects :hammer_and_pick:

My current long-term project is my homelab, which is constantly evolving.
Brief summary:
- 2 servers
- 12 services
  - CI/Forgery: 
    - 2x forgejo
    - woodpecker-ci
    - karl
  - Web
    - nginx
    - nextcloud
    - zitadel
    - homepage
  - Databases
    - postgres
    - redis
    - influxdb
  - Monitoring
    - grafana
    - eclipse mosquitto   
- 5 domains
- 8 Postgres databases

Tech stack: Docker Compose

#### Some personal coding projects
- Karl
  - Automatic docker-compose updates
  - Ran by CI/CD pipelines
  - Tech stack: Python, FastAPI
  - Repository: https://git.ztsh.eu/stawros/karl
- Garmin HUD+ companion application
  - Complex map & navigation solution to be used with Garmin HUD+
  - Tech stack: Kotlin, Mapbox SDK
  - Repository: https://git.ztsh.eu/stawros/Garmin
- Time management library
  - Provides time structures to time management apps
  - Tech stack: Plain Java + Junit, AssertJ
  - Repository: https://git.ztsh.eu/stawros/time
- HackerRank
  - Recreated HackerRank's validation system based on stdin/out
  - Contains some solutions
  - Tech stack: Plain Java + Junit, AssertJ
  - Repository: https://git.ztsh.eu/stawros/hackerrank
- Competencies for Effective Learning
  - Questionnaire project commissioned by the lecturer of the University of Silesia 
  - As of time of writing (Mar'24) 1000+ people completed test
  - based in 2017, started with Java EE, Primefaces 6, Heroku
  - Beta of 2nd version released in mid-2023 on Spring Boot 2.7, Primefaces 12, Docker
  - Repository: to be published
  - Online: https://apps.ztsh.eu/cel/
- Redmine Assistant
  - Universal, multi-person time tracker addition to Redmine system
  - Tech stack: Spring Boot, Primefaces
  - Repository: to be published
- Jira Assistant
  - Time tracker, dashboards, task mirroring between instances
  - Works with both cloud and server editions (even at once!)
  - Tech stack: Spring Boot, Vaadin, Hazelcast (cache)
  - Repository: to be published

### Socials :raising_hand_man:
[![LinkedIn](https://img.shields.io/static/v1.svg?label=LinkedIn&message=piotr-dec&logo=linkedin&style=flat&color=blue)](https://www.linkedin.com/in/piotr-dec/)

### Resume
Online and most up-to-date version available at

[![Markdown](https://img.shields.io/badge/RxResume-%23000000.svg?style=for-the-badge&logo=reactiveresume&logoColor=white)](https://rxresu.me/trishun/basic-applicable-mandrill)