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Senior engineering · Flat fee · Written quote in 48 hours

You have something to build,or something to fix.Cardinal does both.

A senior team with production experience across regulated industries, fast-moving startups, and everything in between. Flat fee. Written quote in 48 hours. No call required.

Selected work

TheryoFilerlinkAIMS ClinicalLawtimeProspectusConnect
01Selected work

A sampling of what we have shipped.

Selected projects across several industries. Some are in regulated sectors where the engineering bar is highest. All are in production.

Theryo

Healthcare · HIPAA

AI-powered mental health platform for providers and clients. iOS, Android, and web apps with AI journaling, clinical documentation support, and provider-client communication. Mental health data is some of the most sensitive information in production, and every LLM call runs through Redactor before any external model sees it.

HIPAA · BAA-grade · PHI in production

Filerlink

Financial · SEC

Online SEC form submission platform for compliance and disclosure reporting, built for EDGAR-connected regulatory workflows. A filing error at the SEC is not a bug report, it is a regulatory event. This system was built with that knowledge in every decision.

SEC · EDGAR-integrated

Lawtime

Legal

Legal case discovery and case management application for plaintiff-side legal teams. Attorney-client privilege is not a compliance checkbox, it is the foundation of the client relationship. Every architecture decision treated it that way.

Attorney-client privilege · Confidential data handling

Mutual NDA on every engagement, regardless of industry or project size.

See more of our work

Tell us what you have. We'll tell you what it takes.

Send a brief, a repo, or a sketch. Every brief gets read by a founder. We write back within 48 hours.