Valeri Karpov

Architected and led development of ZEV O’s core application and infrastructure, enabling growth to $25M ARR. Designed durable AI-driven ad generation workflows for Open Ads, improving reliability of multi-step LLM pipelines and production scalability. Built a custom integration between Mongoose and DataStax Astra, enabling developers to use Mongoose tooling with Apache Cassandra. Architected a custom ecommerce platform and internal ERP/CRM for Terra Vera, supporting growth to $1M ARR. Built affiliate marketing platforms with 2M+ monthly page views, including masteringjs.io and thecode debarbari an.com.

Architected full tech stack as the company grew to over $100M in annualized revenue. Founded and scaled 4 of 5 engineering teams (fleet, payments, pricing, and routing). Designed the system for the fleet vertical from scratch; fleet accounts represented 97% of company revenue. Designed and built a routing system that projects demand and dispatches drivers to minimize overtime costs.

Collaborated with a small team to build an internal CI platform (Evergreen) using Go, AngularJS, and Amazon EC2 APIs. Wrote Kerberos integration and Windows build tooling for MongoDB tools v3.0. Led several open-source MongoDB-related JavaScript projects, including Mongoose and the Express session store. Mentored new grads and interns working on Mongoose and the Rust driver, and represented MongoDB at conferences including Node Summit, JSConf, and All Things Open. Produced a MEAN stack video course in partnership with edX.