450K LOC migrated. Zero downtime.
Rails 3 to 7 for a top-10 telehealth provider: 450K LOC, 2.5M patient records, 14 months, and 15,000 daily clinical users never noticed. Test coverage 35% → 85% caught 847 regressions; passed SOC 2 Type II during the migration.
Rails
PostgreSQL
AWS
HIPAA
- Outcome
- Legacy Modernization
- Capability
- Full-Stack Engineering
- Industry
- Healthcare