Designed and built end-to-end deployment infrastructure for distributed microservices using Terraform and CI/CD, establishing standardized runbooks and operational processes

Migrated multiple production services to AWS ECS Fargate with zero downtime, reducing operational overhead and improving deployment consistency

Mentored multiple junior engineers, accelerating team velocity through code review standards and pair programming

Maintained 99.9% uptime across production services through rapid incident response and on-call rotation

Resolved year-long S3 storage backup bug within days during on-call rotation, significantly reducing support escalations and customer impact

Upgraded Spring Boot and MySQL across multiple microservices, modernizing infrastructure and resolving critical security vulnerabilities

Migrated 20+ React components from monolith to micro-frontend architecture, enabling independent deployments and parallel team development

Patched high-severity security vulnerabilities in Spring Boot services identified by Snyk, achieving SOC 2 compliance

Built interactive video annotation microservice (Java/Spring Boot/React/TypeScript) for ENGAGE conference keynote demo in under 4 weeks

Managed production infrastructure on Heroku, serving hundreds of thousands of monthly active users with 99.9% uptime

Increased test coverage from 40% to 85% using RSpec, significantly reducing production incidents

Led frontend evolution from server-rendered Rails to AngularJS to React; mentored junior engineer on React development

Implemented security audit logging in DynamoDB and a single transferable vote algorithm for community governance

Created Puppet module for automated Kerberos configuration and keytab generation with Active Directory integration