Software engineer. Areas of interest and past experience include distributed systems, cloud computing, databases, big data, machine learning. https://github.com/jaylmiller

Experience

Marble.xyzSenior Software Engineer

2024 — Now

New York, New York, United States

Designed and built a PaaS on AWS and Kubernetes to run user-deployed EVM indexing applications, owning the platform end-to-end.

Developed a Kubernetes-backed platform control system in TypeScript to provision, deploy, and manage multi-tenant EVM indexing workloads with zero-downtime redeploys.

Designed and built a high-throughput Ethereum RPC proxy in Rust, handling thousands of requests per second with multiplexing, caching, and integrity checks, achieving 80–90% cache hit rates and significantly reducing costs.

Owned AWS infrastructure and IaC (CDK), delivering core platform capabilities (HTTP ingress, custom domains, automatic SSL/TLS) and acting as a primary responder for production incidents.