AI systems engineer · Madrid
Petru Arakiss.
I lead production AI engineering at Atlax360 in Madrid: document intelligence, workflow runtimes, and the screens operators use to run them. On my own time I build Rust tools for running AI agents, and I write about what breaks.
Writing
2026-07-07Agent memory needs a chain of custody11 min read2026-06-30Reference monitors for coding agents11 min read2026-06-24Building got cheaper. Entrepreneurship did not.29 min read2026-06-19The cost of sounding human6 min read2026-06-16Agent control planes are not meta-harnesses12 min read2026-06-07The Operational Meta-Harness31 min read2026-04-30Harness engineering for coding agents14 min read
Open source
nahuali
Memory and evidence for long-running agents: episodes, claims, and sourced recall.
Rust · local-firstGitHub ↗gommage
Action-safety policy gate. Deterministic decisions on every command an agent tries to run.
Rust · policyGitHub ↗galdr
Record and replay for agent skills. Capture a task done well once, replay it as a skill.
Rust · captureGitHub ↗greco
Evaluation harness for retrieval and agent behaviour under production constraints.
Rust · evalsGitHub ↗Contact
I like meeting people who run real systems, and I reply to email. Say hello at contact@petruarakiss.com. Madrid, remote across the EU.
- github
- github.com/Arakiss
- base
- Madrid · remote across the EU