Peter J is a founder and software leader with 11 years of experience building privacy-respecting systems and practical products from Prague. He cofounded Sentien and PÍSK and now runs thinking.tools, where he focuses on software that preserves user sovereignty and the right to tinker. His background includes hands-on development at SatoshiLabs and early freelance and web-app work, giving him a full‑stack, product-minded engineering approach. Known for tackling unusual technical challenges, he blends pragmatic engineering with design sensibilities and a bias toward open tinkering. He has also volunteered operationally in humanitarian logistics, reflecting a willingness to apply technical skills in real-world, high-stakes contexts. Based on his GitHub bio, he enjoys debugging the uncommon problems that others avoid, turning curiosity into robust, user-first solutions.
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