Jan Cervinka
CEO, Purple Technology; CTO, Purple Group
About
CEO of Purple Technology and CTO of Purple Group. Purple Technology is the 250-person engineering and operations company behind the group's regulated brokerage, prop-trading, e-money and payments businesses; the CTO seat covers architecture, engineering culture and AI adoption across five regulated entities. Has built Purple's technology since 2011, from a small development team to serverless infrastructure on AWS. Holds an MSc in Economics and Management from Brno International Business School and a bachelor's degree in Management and Psychology from NEWTON College. Writes here about what agents can actually do with money.
Pieces by Jan Cervinka
The agent was ready. The bank wasn't.
I asked an AI agent to pay my kids' kindergarten invoices. It turned out to be the most careful party in the payment. The banking infrastructure around it was the weak part.
Seven orders, six refusals
I spent an afternoon trying to make Vibe-Trading misbehave. Seven orders went in, six came back refused. A teardown of the safety layer, and a twenty-minute experiment you can run yourself.
Hand the agent the company account
My bank could not let an agent pay for me without my tap. A business account in Singapore can. Here is what that lets a small company do, and the one place a person still says yes.
Two people, one finished foundation: how Takumis went from an evening idea to live trades
Takumis is a platform for vibe-building trading strategies. You talk your idea through with an AI, it tests it on data, and then you trade for real.
