Michal Wajszczuk

Python Developer at Optimo Development Sp. z o.o.
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Contact Information
us****@****om
(386) 825-5501
Location
Warsaw, Mazowieckie, Poland, PL
Skills

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Credentials

  • PH525.1x Statistics and R for the Life Science
    edX
    Jun, 2015
    - Oct, 2024
  • The Analytics Edge
    edX
    May, 2015
    - Oct, 2024
  • SQL - Online Course
    Stanford University
    Feb, 2015
    - Oct, 2024
  • SAS Programming 1: Essentials
    SAS
    Jan, 2015
    - Oct, 2024
  • SAS Programming 1: Statistics
    SAS
    Jan, 2015
    - Oct, 2024
  • R Programming - Johns Hopkins University
    Coursera
    Dec, 2014
    - Oct, 2024
  • The Data Scientist's Toolbox - Johns Hopkins University
    Coursera
    Dec, 2014
    - Oct, 2024
  • GE Analytics Engineer
    GE Global Research
    Nov, 2014
    - Oct, 2024
  • Develop your full potential and self-confidence
    HIGH5 Training Group
    Oct, 2014
    - Oct, 2024
  • Machine Learning - Stanford University
    Coursera
    Jul, 2014
    - Oct, 2024
  • Statistical Learning - Online Course
    Stanford University
    Apr, 2014
    - Oct, 2024

Experience

  • Optimo Development Sp. z o.o.
    • Poland
    • IT Services and IT Consulting
    • 1 - 100 Employee
    • Python Developer
      • Feb 2022 - Present

      Responsible for developing asynchronous web application (FastAPI) using microservices architecture with Docker and Kubernetes. Major achievements: - Documented “step by step” new joiner guide. - Refactoring and simplifying Helm charts. Technology used: FastAPI, Asyncio, Docker, docker-compose, kubernetes, helm, minikube, pytest, mypy, tox, PostgreSQL, Redis, RabbitMQ, microservices. Responsible for developing asynchronous web application (FastAPI) using microservices architecture with Docker and Kubernetes. Major achievements: - Documented “step by step” new joiner guide. - Refactoring and simplifying Helm charts. Technology used: FastAPI, Asyncio, Docker, docker-compose, kubernetes, helm, minikube, pytest, mypy, tox, PostgreSQL, Redis, RabbitMQ, microservices.

  • Fudo Security
    • United States
    • Computer and Network Security
    • 1 - 100 Employee
    • Python Developer
      • Jan 2018 - Feb 2022

      Responsible for creating and developing web application in Python using Django/Django REST Framework. Major achievements: - Migrated code from Python 2 to Python 3. - Migrated Django forms to Django REST Framework API. - Implemented testing suite (tox, pytest) with daily automatic tests & coverage report. - Increased product test coverage from 30% to 71%. - Led team of 4 as a Team Leader (3 months). - Onboarded 2 Python developers. Technology used: Django REST framework, Django, Perforce, Postgres, Pytest, Python 2.x/3.x, REST, SQL. Show less

  • infoDiagram - creative presentations graphics
    • United Kingdom
    • Graphic Design
    • 1 - 100 Employee
    • Python Developer
      • Nov 2016 - May 2018

      Part time. Developing and maintaining e-commerce application using Google App Engine. Major achievements: - Simplified infographics availability for the clients. Technology used: CSS, Git, Google App Engine, HTML , jQuery, NoSQL, Python 2.7. Part time. Developing and maintaining e-commerce application using Google App Engine. Major achievements: - Simplified infographics availability for the clients. Technology used: CSS, Git, Google App Engine, HTML , jQuery, NoSQL, Python 2.7.

  • Virtualo
    • Poland
    • Technology, Information and Internet
    • 1 - 100 Employee
    • Python Developer
      • Feb 2017 - Dec 2017

      Developing and maintaining Legacy Codebase (mix Python2.7/PHP5). Code migration from PHP to Python. Major achievements: - Implemented testing suite (tox, pytest). Technology used: Django, Git, jQuery, PHP, Postgres, Pytest, Python 2.7, SQL, SVN. Developing and maintaining Legacy Codebase (mix Python2.7/PHP5). Code migration from PHP to Python. Major achievements: - Implemented testing suite (tox, pytest). Technology used: Django, Git, jQuery, PHP, Postgres, Pytest, Python 2.7, SQL, SVN.

  • Open Source Contribution
    • Remote
    • Python Developer
      • Aug 2016 - Mar 2017

      Free time. Projects: - Website automation testing using Python and Selenium - “Mozilla-Treeherder”. - Refactored 'Old-Style' classes to 'New-Style' classes - “pytest”. Free time. Projects: - Website automation testing using Python and Selenium - “Mozilla-Treeherder”. - Refactored 'Old-Style' classes to 'New-Style' classes - “pytest”.

  • Accenture
    • Ireland
    • Business Consulting and Services
    • 700 & Above Employee
    • Data Scientist
      • Sep 2015 - Jan 2017

      Responsible for empowering the organization to make informed decisions via data analytics and machine learning. Major achievements: - Led new joiners and students during internship. - Took part in business training (digital analytics) in Chicago, IL - USA. Technology used: MS Excel, Postgresql, Python 2.7, R, Pandas, numpy, Machine Learning. Responsible for empowering the organization to make informed decisions via data analytics and machine learning. Major achievements: - Led new joiners and students during internship. - Took part in business training (digital analytics) in Chicago, IL - USA. Technology used: MS Excel, Postgresql, Python 2.7, R, Pandas, numpy, Machine Learning.

  • YouGov Signal
    • United States
    • Research
    • 1 - 100 Employee
    • Junior Backend Python Developer
      • Jul 2016 - Jul 2016

      One month Internship. Responsible for code refactoring in a large non trivial code base and for data science solutions for movie revenue prediction. Technology used: Flask, Postgresql, Pytest, Pandas, Numpy, Python 2.7, SQL. One month Internship. Responsible for code refactoring in a large non trivial code base and for data science solutions for movie revenue prediction. Technology used: Flask, Postgresql, Pytest, Pandas, Numpy, Python 2.7, SQL.

  • RBS
    • United Kingdom
    • Banking
    • 700 & Above Employee
    • Senior Forecasting Analyst
      • Dec 2014 - Sep 2015

      Responsible for forecasting staff demand for call centers and operations teams. Major achievements: - Worker of the Month for promoting Statistical Approach in Business. - Led 101 statistical training to the team. - Successfully proposed that all team members should take part in online "The Analytics Edge" edX course. - Simplified forecasting process by reducing data workflow. Responsible for forecasting staff demand for call centers and operations teams. Major achievements: - Worker of the Month for promoting Statistical Approach in Business. - Led 101 statistical training to the team. - Successfully proposed that all team members should take part in online "The Analytics Edge" edX course. - Simplified forecasting process by reducing data workflow.

  • GE Transportation, a Wabtec company
    • United States
    • Truck Transportation
    • 700 & Above Employee
    • Reliability Engineer / Analyst
      • Sep 2013 - Dec 2014

      Responsible for component statistical reliability analysis and life cycle forecasting (Weibull, Crow, Monte Carlo). Major achievements: - Obtained "GE Analytics Engineer" title. - Implemented VBA automation tool which helped organize slides structure. - Took part in business training (GE locomotive engineering process) in Erie, PA - USA. Responsible for component statistical reliability analysis and life cycle forecasting (Weibull, Crow, Monte Carlo). Major achievements: - Obtained "GE Analytics Engineer" title. - Implemented VBA automation tool which helped organize slides structure. - Took part in business training (GE locomotive engineering process) in Erie, PA - USA.

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