Led architecture overhaul of Confluence backend from monolith to microservices (22 services), reducing latency by 38% and increasing developer throughput by 60%. Mentored 12+ engineers across multiple teams; launched internal “Tech Ladder” framework to support growth. Drove adoption of Rust-based service to handle document diffing at scale — now powering over 10M+ daily documents. Partnered with Product to ship “Smart Templates” feature — increased customer retention by 12%. Owned end-to-end observability stack and migrated from ELK to Datadog, reducing MTTR by 40%.

Scaled backend systems during BFCM (Black Friday/Cyber Monday) from 100k to 1.4M concurrent users. Introduced GraphQL APIs to replace legacy REST endpoints, cutting payload sizes by 70%. Designed a real-time event bus using Kafka + Go + Redis Streams — now used by 80% of Shopify apps. Launched “App Store Connect” — handled $1.2B+ in annualized revenue streams. Promoted to Tech Lead in 2017; led squad of 9 engineers through 4 production launches.

Built out customer analytics backend with Go + PostgreSQL + Redis, reducing query latency by 4x. Developed internal A/B testing tool still used by 6+ product teams. Actively contributed to the company-wide API gateway project.

Wrote Java microservices before they were cool. Contracted for financial, health tech, and early-stage startups. Survived legacy PHP and enjoyed every second of it (sorta).