Welcome! I’m Apostolis, and this is my personal blog. I’m a systems engineer (SRE) working on large-scale, latency-sensitive infrastructure in trading and research environments.
My work is on Linux-based systems, distributed data platforms, and reliability under operational stress. I spend most of my time on failure analysis, performance, and simplifying systems so they behave predictably at scale. I’ve worked on globally distributed data and streaming pipelines, observability platforms, and infrastructure security. I care about correctness, debuggability, and understanding system behavior at boundaries: compute, kernel, network, and storage.
Contact:
– linkedin.com/in/apostolis-stergiou
– apostergiou@gmail.com
Notes: GPU infrastructure; Linux HPC; incident management; Go; observability; Kubernetes security.
Disclaimer: I don’t write about proprietary systems, or internal processes. Most posts are older and kept for reference, and don’t reflect my current work.