Andrzej Śliwa
Director Of Engineering at Ligentia
Santok, Lubuskie, Poland
Summary
🤩
Rockstar🎓
Top SchoolAndrzej Śliwa is an experienced engineering leader with 19 years of hands-on and executive experience building and scaling product-focused engineering organisations across Logistics, Fintech, Digital Health and e-commerce. Currently Director of Engineering at Ligentia and former VP Engineering at Zencargo, he combines deep technical fluency (TypeScript, Ruby, Go, Erlang/Elixir, cloud infra) with a proven track record of growing teams from single digits to 60+ engineers while delivering measurable gains in cost, velocity and quality. A pragmatic architect who still writes and refactors core code—he has contributed to Elixir’s core gen_server and macro work—Andrzej excels at translating systems thinking and product strategy into roadmaps, architectures and high-velocity delivery. He mentors through pair programming and leadership development, champions a leader-leader culture, and pairs evidence-based decision making with calm, customer-centric stewardship. Outside work he channels technical curiosity into FPV drone flying and sport shooting, reflecting a disciplined, detail-oriented mindset that surfaces in both engineering and operational decisions.
19 years of coding experience
17 years of employment as a software developer
Master's Degree Computer Science - Software Engineer, Master's Degree Computer Science - Software Engineer at Poznan University of TechnologyEngineer's Degree Computer Science - Databases, Engineer's Degree Computer Science - Databases at Information Technology Vocational College
English, Polish, German
Stackoverflow
1,704reputation
373kreached
5answers
5questions
javascript
top-5%
jasmine
top-5%
testing
top-5%
Github Skills (20)
elixir10
macros10
testing9
back-end-development9
javascript9
erlang9
nodejs9
backend9
jasmine9
language-design8
lang8
develop8
new-language8
macos6
ruby-on-rails6
Programming languages (23)
Github contributions (5)
elixir-lang/elixir
Jun 2011 - Jun 2013
Simple from zero to scale
Role in this project:
Back-end Developer
Back-end DeveloperContributions:39 commits, 7 comments in 2 years
Contributions summary:Andrzej primarily contributed to the Elixir language's core functionality. Their work focused on enhancing the `gen_server` features by renaming arguments for consistency with OTP documentation. Furthermore, they introduced and modified code related to the `__NAMESPACE__` macro. They also added public and private macros to restrict visibility and refactored code related to string interpolation.
functional-languagescalablefunctional-programmingelixircompiler
andrzejsliwa/tailwind-hiccup-tooling
Sep 2022 - Sep 2022
Tooling for Hiccup supporting tailwind multi-line classes
Contributions:6 releases, 1 review, 37 commits in 5 days
multilinetailwind
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