Jakub Kopańko
Full Stack Engineer at ActiveCampaign
Krakow, Lesser Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolJakub Kopańko is a pragmatic full-stack engineer with 10 years of experience, currently building AI-powered marketing and agentic systems at ActiveCampaign. He’s a generalist who thrives on understanding complex systems—from reverse engineering binaries and crafting Rust/WASM image-processing tools to implementing serverless architectures and React/Python frontends. At Smarttech247 he improved performance by up to 10x, migrated core processes to AWS Step Functions, and streamlined CI/CD and cloud costs, demonstrating operational and systems-level insight. An active open-source contributor, Jakub added a GlitchEffect to the Mixxx DJ project, blending low-level audio processing with creative tooling. He holds an M.Eng. from AGH University and, when not shipping software, is likely studying ultra-low-budget cinema.
10 years of coding experience
2 years of employment as a software developer
Master of Engineering - MEng, Master of Engineering - MEng at AGH University of KrakowAGH University
English, Polish
Github Skills (5)
audio-processing10
c-language10
djl10
cprogramming-language10
qt10
Programming languages (14)
Github contributions (5)
mixxxdj/mixxx
Feb 2023 - Jun 2023
Mixxx is Free DJ software that gives you everything you need to perform live mixes.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:2 reviews, 1 PR, 7 comments in 3 months
Contributions summary:Jakub implemented a glitch effect for the Mixxx DJ software. Their work involved creating a new `GlitchEffect` class, defining its parameters (time, quantize, and triplets), and integrating it into the built-in backend. The user also modified the existing code to remap delay frames and address requested changes, focusing on audio effect processing and its integration within the DJ software's framework.
everythingwindowshidmidilinux
pcktm/ezglitch
Sep 2021 - Jun 2022
Blissfully easy to use avi index breaker for the web.
Contributions:16 commits, 1 PR, 18 pushes in 8 months
indexjavascriptbreakeravitypescript
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