Achievements
- Y Combinator Summer 2017 with Aecore
- Co-founded Net30 to fix construction payment delays
- Built X3 Builders, a tech-driven, automated construction firm
- Currently CTO at Buildzen, modernizing construction workflows
- Background in civil engineering and project management at top firms
- Based in San Jose, tech innovator in the construction space
The vibe of Anthony Cirinelli
Straight up, let me put you on to Anthony Cirinelli, the guy’s a straight-up builder and tech nerd rolled into one. This dude’s been in the trenches of construction forever but always with a twist, he’s all about using tech to shake things up.
So, Anthony’s from San Jose, background in civil engineering, right? Started his career doing the regular stuff, engineering, project management at places like Turner Construction and South Bay Construction. Classic, stable gigs. But you can tell he’s got that fire to do more, to change the game.
Then he jumped into startups, co-founded Net30, which was all about fixing the slow, bullshit payment cycle in construction. Like, imagine you finish a project, and you’re waiting months to get paid? Nah, Anthony wanted to fix that. He built an invoicing platform to speed things up. That’s the vibe, making construction more modern, more fast.
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Talk to herBut he didn’t stop there. He saw how broken and manual the whole industry still was, so he co-founded Aecore (now X3 Builders). This wasn’t just another contractor, it was a vertically integrated commercial builder, but with a twist: automation and flexible project delivery. Basically, he was trying to make construction faster, smarter, more tech-driven. That’s some advanced thinking.
And, no cap, he crushed it, got into Y Combinator in summer 2017 with Aecore, one of the top startup accelerators out there. That’s a big deal. It’s like the industry saying, “Yeah, this guy’s the real deal.” Being YC-backed means he’s not just dreaming, he’s executing, scaling, pushing boundaries.
Fast forward, he’s now CTO at Buildzen, another move to push tech even further into construction. The dude’s all about streamlining, modernizing, making the whole building process smoother with tech. His whole career is about that: taking a messy, slow industry and turning it into something modern, fast, and fast.
What’s crazy is, his story tells you a lot about his motivation. He’s not just in this to build cool tech or make a quick buck. Nah, he’s genuinely trying to fix a huge problem, payments, project delivery, automation. He’s driven by real problems, not hype. It’s like he saw all the bullshit in construction and decided, “Nah, I’ll build something better.”
Long story short, Anthony is a builder who’s not afraid to get his hands dirty and use tech to change an industry that’s been stuck in the stone age. He’s all about efficiency, speed, and fixing real problems. That’s why he’s so important, he’s pushing construction into the future, one smart project at a time.

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