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Jordan Singer builds interfaces and AI tools as co-founder and CEO of Mainframe. He founded Diagram, which Figma acquired, and previously designed Figma AI and Cash App at Square.

Unclaimed profile

Jordan Singer builds interfaces and AI tools as co-founder and CEO of Mainframe. He founded Diagram, which Figma acquired, and previously designed Figma AI and Cash App at Square.

Career

Jordan Singer studied at University of Arizona.

Co-Founder & CEO at Mainframe from 2024 to PresentBuilds products for working with AI agents, including Cobot, Async and Mainframe Video.
Product Designer at Figma from 2023 to 2024Worked on Figma AI after its acquisition of Diagram.
Founder & CEO at Diagram from 2021 to 2023Built AI design tools including Automator and Magician; acquired by Figma in June 2023.
Product Designer at Square from 2017 to 2021Worked on Cash App design systems and Cash App Borrow.

Investing Announcements

Cosigns Received

Noah LevinVP of Product Design at Figma
First Cosign
every so often, someone comes along and builds something that truly blows your mind. This was the case with Jordan Singer.
Source
Ryan GilbertCustomer Success Manager, Media Collective at beehiiv; creator of Workspaces
Second Cosign
a small design team that helped bring the text interviews to life ... That design team? → @jsngr → @JacobyBrandon → @jeremygoldbrg
Source
blog.mainfra.me

Coding agents need product agents

Jordan Singer explains why faster implementation increases the importance of product decisions, shared context and coordination.

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notboring.co

The Founder’s Letter: Jordan Singer, Diagram

Singer traces how learning to code, designing Cash App and building small tools led him to create AI design software.

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youtube.com

Jordan Singer walks through Diagram’s pitch deck

Singer shows design systems, Figma plugins and AI experiments behind Diagram, drawing on his earlier work on Cash App.

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Jordan's Collections

Jordan's Lists

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Cosigns Given