Przemysław Górecki, Developer in Olsztyn, Poland
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Przemysław Górecki

Verified Expert  in Engineering

Software Developer

Olsztyn, Poland
Toptal Member Since
August 31, 2016

Przemysław is an open-minded senior software developer with over ten years of experience in web application development. He has experience building MVC applications, REST APIs, and real-time web systems using Python, JavaScript, and Ruby on Rails. He also holds a Ph.D. in artificial intelligence with an extensive expertise in computer vision and machine learning.


JavaScript, Meteor, Python, Web Architecture, Design Patterns, API Architecture
Community Technology Alliance (via Toptal)
GitLab CI/CD, Docker Compose, Django, React, Django REST Framework




Preferred Environment

Open Source, Linux

The most amazing...

...project I've created is a cloud-based platform for data analysis and numerical computing in real time via a web browser.

Work Experience


2014 - 2021
  • Created a cloud-based data science platform using Python, RabbitMQ, Docker, Meteor, and MongoDB.
  • Built a real-time Scrum project management tool that uses GitLab as a back end.
  • Developed a web application for logging events and displaying them in real-time using Meteor.js and MongoDB.
  • Designed and implemented an algorithm for checking EU rules compliance for driving times and rest periods for road haulage based on past driver activities.
  • Assisted in creating a face-tracking and eye-detection REST API using Python and OpenCV.
Technologies: JavaScript, Meteor, Python, Web Architecture, Design Patterns, API Architecture

Web Developer

2020 - 2020
Community Technology Alliance (via Toptal)
  • Built a front-end app supporting client management for the Supplemental Nutrition Assistance Program (SNAP) using React.
  • Developed a back-end portal and REST API app supporting client management for the Supplemental Nutrition Assistance Program (SNAP) using the Django REST Framework.
  • Set up CI/CD deployment, issue tracking (Sentry), and APM performance monitoring (New Relic) for the project using Docker, Docker Compose, and accompanying third-party software.
Technologies: GitLab CI/CD, Docker Compose, Django, React, Django REST Framework

Software Engineer

2017 - 2019
Community Technology Alliance (via Toptal)
  • Performed a major refactoring of the existing HOME app codebase to improve code structure, readability, and extensibility.
  • Introduced a dependency injection, repository, and adapter patterns to the HOME app-backed endpoints to improve testability and maintainability.
  • Created new functionalities in the HOME app, both on the front end (React) and back end (Meteor.js).
  • Created an auxiliary REST API in Django.
  • Set up CI/CD pipelines, server performance monitoring, and logging infrastructure to support app development and maintenance.
Technologies: React, Django, Meteor

Web Developer

2017 - 2017
CivicLift (via Toptal)
  • Created various React components based on the client's specs.
  • Created various Meteor.js-backed endpoints.
  • Integrated Stripe payments into the app.
Technologies: React, Meteor

Assistant Professor

2003 - 2017
University of Warmia and Mazury
  • Lectured on algorithms and data structures, artificial intelligence, and distributed systems.
  • Researched computer vision and image classification using Matlab and Python.
  • Led a research project on similarity-based visual image retrieval. One of the project results was an image search engine created with Python, MySQL (front end), Hadoop, and Mahout (back end).
  • Created a web system for submitting and grading student homework using Drupal.
  • Built and maintained an international conference website using PHP and MySQL.
Technologies: MySQL, Hadoop, Python

Web Developer

2016 - 2016
Plutio (via Toptal)
  • Created a conversations section with 2-way integration with Slack and Todoist for discussing ideas and issues within a project.
Technologies: MongoDB, Meteor

Web Developer

2011 - 2014
  • Created a Drupal module for displaying recently read content, which has been installed over 1,500 times.
  • Created a website offering TTS audio synthesis and playback for the visually impaired.
  • Built an online booking and appointment scheduling system.
  • Made a CMS for an association of nurse practitioners.
  • Developed a website for promotions.
Technologies: MySQL, jQuery


2001 - 2004
Interactive Vision
  • Led the development of a 3D WWII aircraft shooter game.
  • Created a particle system for a search-and-rescue helicopter flight simulator.
  • Built a military helicopter flight simulator.
Technologies: DirectX, C++

Domain-driven Design Example Application
Domain-driven design is an approach to software development that focuses on implementing a domain model with a rich understanding of the business processes and rules.

This project showcases how a domain-driven design concept can be implemented using Python.
2004 - 2007

Ph.D. in Intelligent Systems

University of Bari - Bari, Italy

1998 - 2003

Master's Degree in Computer Science

Gdańsk Technical University - Gdańsk, Poland


React, Node.js, Stripe, jQuery


Docker Compose, RabbitMQ, GitLab CI/CD


Django REST Framework, Django, Swagger, Hadoop, Flask


REST, Design Patterns, Concurrent Programming, Scrum, Test-driven Development (TDD), Web Architecture, API Architecture


HTML, JavaScript, Python, TypeScript


Meteor, iOS, Docker, Linux, NVIDIA CUDA


MongoDB, MySQL, PostgreSQL


Web Development, Computer Vision, Data Structures, Machine Learning, Software, Software Consulting, Software Development, Deep Learning, Image Processing, Open Source, Domain-driven Design (DDD), Computer Science

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