Grzegorz Śliwiński
Principal Python Software Engineer at Spyrosoft
Lower Silesian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolGrzegorz Śliwiński is a Principal Python Software Engineer with 15 years of experience specializing in AdTech, currently leading technical initiatives at Spyrosoft from Lower Silesia, Poland. He blends deep hands-on expertise in Python and Go with proven project leadership—shaping scalable RTB/DSP systems and driving process improvements that cut planning time and boosted documentation usability. Comfortable moving between coding, architecture and client-facing roles, he has repeatedly taken products from PoC to production while tightening reporting accuracy to industry-leading levels. Known for building high-performing teams, he also steps into product and project management when needed, having once scaled a team to 17 people and smoothed client relations. Beyond core engineering, his career shows a knack for pragmatic system monitoring, CI/CD adoption, and transforming operational pain points into measurable delivery gains.
15 years of coding experience
16 years of employment as a software developer
Msc Software Engineering, Msc Software Engineering at Wrocław University of Science and TechnologyUniversity of Information Technology and Management "Copernicus"
English, Czech, Polish
Stackoverflow
26reputation
156reached
1answer
0questions
Github Skills (200)
testing10
project-management10
package-repository10
localization10
dynamodb10
matching10
type-checking10
mongodb10
unit-testing10
pytest10
stub10
ansible-collections10
type-annotations10
sqlalchemy10
python10
Programming languages (13)
Github contributions (5)
fizyk/pyramid_fullauth
May 2013 - Jan 2023
Pyramid fullauth's goal is to provide full plug-in registration functionality for pyramid, with user managing
Contributions:609 commits, 475 PRs, 802 pushes in 9 years 9 months
reactpythonpyramidgoalregistration
fizyk/pytest-rabbitmq
Nov 2016 - Jun 2021
RabbitMQ fixtures and fixture factories for Pytest.
Contributions:18 pushes, 40 branches in 4 years 7 months
factoriespythonfixture-factoriesfixturepython3
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