https://josh.gajec.org/blog Backend engineering, Node.js, performance and the things I build. en Wed, 14 Oct 2026 00:00:00 GMT https://josh.gajec.org/blog/building-a-control-plane-portfolio https://josh.gajec.org/blog/building-a-control-plane-portfolio Wed, 14 Oct 2026 00:00:00 GMT How this site turns scrolling into a trip through a server room — and the performance work it took to keep that smooth. React Three.js Performance Design https://josh.gajec.org/blog/encrypted-cookies-aes-gcm https://josh.gajec.org/blog/encrypted-cookies-aes-gcm Wed, 14 Oct 2026 00:00:00 GMT Signed cookies stop tampering, but anyone can still read them. Here is how to make cookies confidential and tamper-proof with nothing but node:crypto. Node.js Security Cryptography https://josh.gajec.org/blog/inside-the-request-lifecycle https://josh.gajec.org/blog/inside-the-request-lifecycle Wed, 14 Oct 2026 00:00:00 GMT What actually happens between a TCP connection arriving and your route handler running — and where the time goes. Node.js HTTP Performance https://josh.gajec.org/blog/introducing-kidlat https://josh.gajec.org/blog/introducing-kidlat Wed, 14 Oct 2026 00:00:00 GMT Why I built a web framework whose HTTP layer lives in C++ on top of libuv and N-API — and what that design buys you. Kidlat Node.js C++ Performance