Senior Manager, Customer Success and Clinical Support@Hyperfine
Verified
Joel Castillo
Founder@Joel B Castillo Tech Solutions LLC
Verified
Joel is a seasoned engineer and startup founder who specializes in helping early-stage teams build the right technical foundation without the overhead of a full-time CTO.
• Fractional CTO / Technical Advisor – partners with startups and small teams to design scalable cloud-native systems and ship faster on lean budgets.
• 10+ years of engineering & DevOps experience – Terraform/Terragrunt, AWS, Airbyte, dbt, FastAPI, CI/CD, secure infrastructure.
• Founder & product architect for CareQuant LLC and MediNav Inc., leading healthcare data pipelines, compliance-ready workflows, and early engineering teams.
• Former senior engineer / tech lead at NYC Records and Hyperfine, delivering reliable data and cloud automation at scale.
• Known for blending hands-on coding chops with founder-level business insight to help companies go from concept to launch quickly and sustainably.More...