Lead Backend Engineer, Cloud Cost Optimization

Linas Valiukas is a Lead/Staff Backend Engineer with 15+ years of experience specializing in reducing cloud costs, scaling large databases, and debugging systems at the syscall level. He has a proven track record of saving $500k/year by reducing S3 storage costs by 75% for a 2 PB dataset at Automattic, achieving a 26x performance increase for WordPress restores, and managing a 30 TB+ PostgreSQL cluster (Citus) and NLP pipelines for MIT/Harvard for 10 years. He also solo-founded aero.zip, a privacy-first file transfer service. His expertise includes debugging GnuPG with strace, migrating petabytes without downtime, and replacing brittle Cron jobs with robust workflow systems. He is seeking complex backend challenges.