• Co-founded team to reduce Robinhood’s high AWS spend and manage our cloud capacity. Per the 2021 Q1 earnings report, Robinhood spent $54M on Cloud infrastructure services over that 3 month period

• Built cost observability and recommendation tools powered by PySpark data pipelines and Looker dashboards

• Discovered and solved waste and performance issues across Robinhood’s entire stack.

• Led the engineering organization to reduce Robinhood’s AWS TCO by 40% year over year. This was a significant factor in Robinhood reaching EBITDA profitability in 2022Q3.

• Sustained our cost reduction by implementing team-level cost attribution and an org-wide cost accountability program.

• Directly contributed to or led the team through multiple reliability-focused initiatives, including Kafka cluster multi-AZ resiliency, chaos testing and the introduction of a producer sidecar proxy

• Improved the observability, reliability and ergonomics of our internal Python Kafka client. Co-presented at Kafka Summit 2021

• Scaled our critical path Kafka clusters through the January 2021 Gamestop traffic surge

• Served in the on-call rotation and mitigated multiple SEV1 incidents

• Spent the first 6 months as an individual contributor on the Software Platform team. Rolled out a Python HTTP client for enhanced call graph observability and built infrastructure to horizontally shard our core brokerage application (Terraform/SaltStack)

• Managed the transition from mutable, VM-based infrastructure to a PaaS built on Kubernetes

• Grew the team from 6 to 12 engineers

• Spent the first 3 months onboarding as a Backend Engineer. Projects included a major Django version upgrade for our core brokerage application and leading a mass migration off of a legacy Kafka cluster

In addition, I helped the firm grow in the following ways:

• Co-founded our SEV Program, leading blameless weekly SEV Review meetings and quarterly SEV Retrospectives

• Served as a member of the “Air Traffic Controller” (Incident Commander) on-call rotation

• Led infrastructure due diligence and onboarding for the Say Technologies acquisition

• Interviewed hundreds of candidates, many of whom were Staff+ level

• Managed Coursera’s Infrastructure Engineering team (later called Platform Engineering). The team focused on developer experience,​ ​DevOps,​ cloud ​infrastructure,​ ​security,​ ​continuous​ ​delivery​, performance, ​core​ ​services and more.

• Grew the team from 4 to 17 engineers. Had the best retention of any engineering team, retaining 6 core team members for 4 to 5 years.

• Led the team through numerous significant accomplishments: migrating our PHP monolith to microservices, running our first cross-region Disaster Recovery exercise, implementing modern, immutable frontend application+backend service deployment, introducing GraphQL for web+mobile data assembly and building our payments/e-commerce infrastructure.

• Heavily​ ​involved​ ​in​ technical ​leadership,​ ​including​ ​the​ ​research,​ ​planning​ ​and execution ​of​ ​an​ ​18-month​ ​Long-term​ ​Architecture​ ​project​ ​for​ ​our​ ​70-person​ ​engineering organization.

• Remained​ ​very​ ​technical​ ​in​ ​my​ ​management​ ​role​ by implementing tools, fixing issues (off the critical path) and reviewing technical designs. Remained on-call during my entire tenure at Coursera.

• Working at a startup, I wore many other hats, including vendor procurement, AWS budget management, information security and privacy, security incident response, supporting legal inquiries + contract review and more.

• Beyond hiring directly for my team, I also independently sourced and helped close key hires from my network, including our Director of Information Security and two engineering managers, one of whom became VP of Engineering.