• Building and scaling multi-region cell infrastructure for a payments platform running at 4 nines

• Core contributor to Terraform, observability, and CI/CD infrastructure across AWS regions

Managed 9 engineers while staying deep in technical delivery. Returned to IC by choice.

• Launched new cells (us002, us005) and a new AWS region (us-east-1), re-architecting pipelines and tooling for multi-region support

• Orchestrated cross-region customer migrations with <5 min downtime

• Rolled out ParadeDB across cells, implemented database partitioning at scale, automated new cell creation

• Upgraded core systems with minimal downtime: Redis to Valkey, Ruby 3.2 to 3.4 (YJIT), Rails 7 to 8, PostgreSQL 14 to 17

• Elevated system availability to 4 nines; improved GraphQL reliability from 2 nines to 3 nines

• Refactored Terraform to config-driven, modernized Lambdas to region-agnostic

• Reduced Aurora failover impact via pgbouncer tuning; hardened SQS and DNS infrastructure

• Built SLO instrumentation for Sidekiq, API, and cell router

• Migrated infrastructure from CloudFormation to Terraform, enabling team-wide contributions

• Led egress IP migration for bank integrations without proxy overhead

• Built developer tooling: mt-onboard (workstation setup) and tf-infrastructure (scalable Terraform foundation)

• Drove cost efficiency through AWS/Datadog optimization and autoscaling tuning

• Part inventory search API spanning two data centers: 4.5M daily requests, 30ms average latency

• Real-time global inventory tracking enabling faster inter-region transfers

• Performance tracker processing 18M+ datapoints/day for exec reporting

• Designed company-wide API-first architecture strategy using gateways to secure and scale services

• IoT control systems (Monnit sensors, Fetchcore robots) for warehouse automation

• SOX compliance audit system enforcing segregation of duties

• Automated manual operational workflows, built eCommerce platform, managed IT infrastructure for company relocation