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Hi, my name is

Perry Rosenberg

I architect systems that scale.

01.About Me

Principal engineer and architect with a decade of experience designing and scaling high-traffic, cloud-native systems. Known for end-to-end ownership of complex initiatives. B.S. Computer Science from Brown University. Based in San Francisco.

Languages

  • Java
  • JavaScript/React
  • Python
  • TypeScript
  • SQL
  • Scala
  • Go

AWS

  • RDS Aurora
  • OpenSearch
  • DynamoDB
  • ECS/Fargate
  • Lambda
  • Kinesis
  • SQS/SNS

Tools

  • Spring Boot
  • Docker
  • Terraform
  • Jenkins
  • DataDog
  • PagerDuty

AI

  • Claude
  • ChatGPT
  • Copilot
  • Amazon Q
  • Gemini

02.Experience

Principal Software Engineer, Software Architect @ Extensiv

October 2021 — December 2025

  • Scaled Order Manager (OM) 40x from startup stage (<500K orders/year to 20M+, $10M to $2B+ volume). Lead technical vision through post-acquisition integration, restructuring, and growth stages
  • Own end-to-end cloud infrastructure and SDLC with ~$50k/month AWS budget. Created KPIs driving 50% YoY reduction in user errors from 2024 to 2025
  • Manage teams of up to 15 engineers. Review platform/cloud architecture across 60+ engineers and 8+ teams. Implemented greenfield SSO and designed shared event-sourcing strategy for 4+ lines of business
  • Lead agentic and generative AI adoption, proving out processes and best practices for 4+ teams with 20+ developers
  • Mentored multiple engineers—two promoted to Senior, one to Lead Engineer. Train on Domain Driven Design, Event Sourcing, Clean Code, TDD
JavaReactSpring BootAWSTerraformDynamoDBOpenSearchDocker

03.Get In Touch

I'm currently exploring new opportunities where I can leverage my experience in scaling systems, leading teams, and driving technical strategy.

San Francisco, CA609-417-0080
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2026 Perry Rosenberg

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