Ofek Wittenberg
CV PDF Thoughts
  • 2026

    How I Rebuilt an Xbox Service That Scales to 1,000,000 Requests per Second

    Re-architecting a tier-0 Xbox update service from on-prem to cloud-native: a strongly-consistent in-memory cache, Cosmos DB modeled for reads, and a zero-downtime cutover that absorbs over a million requests per second.

    distributed-systemsazure-cosmos-dbkubernetescachingscale
  • 2026

    Cognitive Debt

    On the quiet cost of letting AI do the thinking for you, and how to stay sharp while still shipping fast.

    ailearningsoftware-engineeringcraft