Karolis Stasaitis is a seasoned engineering leader with 14 years of experience, currently heading Talent Platform Engineering at HeyJobs in the Berlin area. He progressed from full-stack and mobile development roles into engineering management and now leads platform initiatives, blending hands-on delivery with team leadership. His background spans React/Redux frontends, Ruby on Rails backends, and MVVM/FRP mobile architectures, giving him a broad cross-platform perspective. An entrepreneur as founder of delanoir, he pairs product instincts with technical depth and an emphasis on developer experience. He also contributes to low-level open-source work—improving NixOS hardware build processes for Raspberry Pi—illustrating an uncommon comfort with both high-level platforms and hardware-adjacent build automation.
14 years of coding experience
13 years of employment as a software developer
Bachelor of Science (BS) Computer Science, Bachelor of Science (BS) Computer Science at Kaunas University of Technology
A collection of NixOS modules covering hardware quirks.
Role in this project:
System Architect / DevOps Engineer
Contributions:4 reviews, 8 commits, 4 PRs in 4 months
Contributions summary:Karolis primarily focused on improving the build process and integrating overlays within the NixOS configuration for the Raspberry Pi hardware. They updated device tree merging using `dtmerge` and refactored the apply overlays process. Additionally, they introduced an i2c clock-frequency option and fixed issues related to semicolons and dtmerge, demonstrating an understanding of low-level hardware configuration and build automation.
Contributions:3 PRs, 76 pushes, 4 branches in 3 years 3 months
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Karolis Stasaitis - Head Of Talent Platform Engineering