About Zac Hallett
I help early-stage companies make better technical decisions.
After 10+ years leading engineering teams at companies like Intellectual Technology and ID.me, I kept seeing the same pattern: talented founders and engineers making critical architecture decisions under pressure—without the senior technical guidance they needed.
That's why I founded Tech Spelunking.
What I Do
I provide fractional architect and senior developer services to Seed through Series B companies (10-100 employees). Think of it as access to a Sr. Director of Engineering's expertise without the $250K+ full-time commitment.
How I Help
- Architecture decisions that support 3-5 year growth (not just today's problems)
- Hands-on development for critical projects
- AWS infrastructure that scales efficiently
- Technical strategy and team mentorship
- DevOps automation and deployment improvements
The Results
My clients achieve 99.9% uptime, 20-40% AWS cost reductions, 50% faster deployments, and clean architecture that lets their teams ship features instead of fighting fires.
My Background
I've spent my career solving hard technical problems and building teams that deliver. Most recently as Sr. Director of Software Engineering at Intellectual Technology, leading teams through technical transformations and scaling challenges.
I specialize in making complex technical decisions simple and building systems that grow with your business.
Best Fit
Early-stage companies that need senior technical leadership but aren't ready for a full-time executive hire. If you're making architecture decisions that will impact your company for years—let's talk.