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TANGObuilder

DefunctYC S20

San Francisco, US · Founded 2019 · 9 employees · 7 known investors

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SENGTOTO is an AI-based structural design automation platform for architecture, engineering, and construction (AEC) professionals that converts freehand sketches into detailed structural blueprints with load analysis, material optimization, and building code validation in minutes.

Also known as Jarvis Design Inc. · Jarvis Design · Jarvis Design, Tango Builder (formerly Jarvis Design), Tango Builder · Tango Builder · Tango Builder (formerly Jarvis Design)

AI & Machine LearningConstruction TechDeep TechPropTechSaaSConstructionHousingUnited States of AmericaAmerica / CanadaFully Remote

Founders & leadership· Y Combinator alumni (S20)

TANGObuilder was founded in 2019 by Martin Diz and Juan Aleman.

MDMartin Diz
Martin DizCEO & Founder2019–2024Martin Diz holds a Ph.D. in Aerospace Engineering from Buffalo University with research focus on drone embedded systems and satellite control. He previously served as Co-founder and CTO at Bluesmart (YC-15), where he led the engineering team developing smart luggage.
JAJuan Aleman
Juan AlemanCo-founder/Principal/Product Manager2019–2024Juan Aleman holds a Ph.D. from the University of Buffalo and brings over two decades of structural engineering experience, including six years as a senior consultant at Arup in Los Angeles and leadership roles at HDR, with expertise in seismic analysis and design across diverse project types.
GR
Gaby ReynaOperationsuntil 2025

Investors · 7

Asymmetry VenturesreportedRichmond · $125K – $500K

How we know: Y Combinator's founder network · Not right? Tell us

Coyote VenturesreportedSan Francisco

How we know: Y Combinator's founder network · Not right? Tell us

HomeTeam VenturesreportedSan Francisco · $100K – $10M

How we know: Y Combinator's founder network · Not right? Tell us

Mighty Angelsreported

How we know: Y Combinator's founder network · Not right? Tell us

Navitas CapitalreportedCulver City · $100K – $5M

How we know: Y Combinator's founder network · Not right? Tell us

Newtopia VCreportedBuenos Aires · $100K – $1M

How we know: Y Combinator's founder network · Not right? Tell us

Funding

SEC filings, press & company announcements

Source: company announcements and press reports — follow each round's link for the claim.

Related companies · 4

BotBuiltBotBuilt develops software and robotics technology for residential construction, automating framing and component manufacturing to reduce time, labor, and material waste in home building.
SnapdocsSnapdocs automates the digital mortgage closing process by connecting lending, settlement, and secondary market teams. The company serves mortgage lenders, servicers, and settlement professionals with AI-powered technology for managing notary selection, document processing, and closing coordination.
SakneenSakneen provides a sales and inventory management platform for real estate professionals, enabling online transactions, CRM synchronization, and property distribution across sales teams.
ZeroDownZeroDown was a San Francisco startup offering an alternative path to homeownership, letting customers move into a home and build equity toward purchase without a traditional down payment. Acquired by Flyhomes in 2021.

Companies working in the same space as TANGObuilder.

Legal entities · 1

corporate structure
Jarvis Design Inc.

In the news

YC-backed Tango Builder wants to use aerospace engineering to build a house – TechCrunchtechcrunch.com · Jun 2020

Frequently asked questions

What does TANGObuilder do?
SENGTOTO is an AI-based structural design automation platform for architecture, engineering, and construction (AEC) professionals that converts freehand sketches into detailed structural blueprints with load analysis, material optimization, and building code validation in minutes.
Who founded TANGObuilder?
TANGObuilder was founded by Martin Diz, Juan Aleman in 2019.
Who are TANGObuilder's investors?
TANGObuilder's investors include Y Combinator, Asymmetry Ventures, Coyote Ventures, HomeTeam Ventures, Mighty Angels, Navitas Capital, Newtopia VC.
Where is TANGObuilder headquartered?
TANGObuilder is headquartered in San Francisco, US.