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for hire
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  • Warsaw, Poland

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Achievement: Pull Shark

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Achievement: Pull Shark
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bartosz-bear/README.md

Welcome to my profile, traveler! 👋

Typing SVG

⚡ Profile

Over the years I've developed several data-centric applications for extracting, transforming, loading and visualising financial information. I'm a generalist with a broad range of technologies under my belt with a strong core in Python, SQL and data. I've worked in many different countries (Poland, Switzerland, China, US, UK) and I have excellent communication and presentation skills.

My philosophy and mindset revolves around the following concepts:

  • prioritizing pragmatic 'get it done' attitude over technological dogmatism
  • standing on the giants' shoulders instead of reinventing the wheel to satisfy your ego
  • tackling hard and undesired tasks will make you a better programmer

⚡ Core Technology

Proficiency
Technology
⭐⭐⭐⭐ Python
⭐⭐⭐ Pandas
⭐⭐⭐ SQL
⭐⭐⭐ Postgres
⭐⭐⭐ Scrapy
⭐⭐⭐ seaborn
⭐⭐ JavaScript
⭐⭐ DevOps
⭐⭐ Git
⭐⭐ pytest
⭐⭐ DS&A

🚀 Supplementary Technology

Proficiency
Technology
⭐⭐⭐⭐ Microsoft Excel
⭐⭐⭐ Bloomberg Terminal
⭐⭐ scikit-learn
⭐⭐ HTML5
⭐⭐ C#
⭐⭐ Django
⭐ TypeScript

⚙ Development Stack

Category
Tool
IDE VS Code
Shell PowerShell bash
Version Control Git GitHub
Virtual Environments Anaconda
CI/CD GitHub Actions
Documentation Markdown
OS Windows Linux

📤 Projects

  • Django-based application for scraping, storing and visualisation of multi-source data (python, django, postgreSQL, Azure, Scrapy, Splash, BeautifulSoup)
  • Prototype of Excel Add-In which allows users on two separate machines to share, transform and automate data sharing directly within Excel suite (python, c#)
  • Multiple ETL and automation scripts for financial reporting (python, sql, pandas)
  • Django-based application for visualisation of financial reports (python, django, javascript, d3.js)
  • Migration of VBA financial reporting scripts to python

🏫 Courses and Workshops

Course
Course Provider
Modern Web Scraping with Python using Scrapy Splash Selenium Udemy
Python for Data Science and Machine Learning Bootcamp Udemy
SQL and PostgreSQL: Complete Developer's Guide Udemy
Principles of Computing (Part 1) Coursera
An Introduction to Interactive Programming in Python Coursera
JavaScript Algorithms & Data Structures FreeCodeCamp
Programming with C# edX
Introduction to SQL Datacamp
Introduction to Linux Coursera

📧 Contact

I'm for hire. Contact me at bartosz.artur.piechnik@gmail.com

Popular repositories Loading

  1. bapi bapi Public

    Django app for data engineering projects

    Python 3

  2. blueberry-api blueberry-api Public

    blueberry-api is a prototype of Excel add-in which allows sharing and transforming tabular data between two Excel users via internet

    1

  3. web_scraping web_scraping Public

    Scraping scripts and spiders using scrapy, splash and asynchronous beautifulsoup4

    Python 1

  4. notebooks notebooks Public

    Repository of my notes about Python, SQL, JavaScript and other

    Jupyter Notebook 1

  5. bartosz-bear bartosz-bear Public

    github profile repo

  6. etl etl Public

    ETL - Collection of Extract-Transform-Load scripts and pipelines

    Jupyter Notebook