While25 - Programmable Trading Platform
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While25

A programmable trading platform.

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While25 is software. It is not a broker, dealer, exchange or investment adviser, and nothing on this site is a recommendation to buy or sell any instrument. Orders you place route to your own brokerage account; While25 never holds funds or securities.

Trading carries risk of loss, including losses greater than your deposit on leveraged products. Backtests and simulations do not predict future returns. Broker and exchange names are trademarks of their owners. We plan to add Coinbase, Binance and Robinhood; you cannot connect them yet.

© 2026 While25

while25

CAREERS

Small team. Nothing here is someone else's job.

What the work is

We build an execution engine that holds strategy state and carries every order. We wrote our chart engine from scratch because we would not license one. We run a sandbox where a trader's own code runs beside live market data and cannot reach past it.

The technology page describes all of it honestly, including the parts we have not built. Read that before you write to us.

How we work

Tests are not a tax here. Every failure path gets one, and we test anything that runs concurrently under load. If that reads as overhead to you, this will be a frustrating place to work.

We ship when something is stable enough to stand behind, and the honest list of what is missing stays on the front page. We never ask anyone to oversell the product, internally or on a call.

Open roles

We have no open roles right now.

We hire ahead of the posting more often than not. If you read the technology page and recognised the kind of work, write to us and say which part you would want to own. That reads better than a CV.

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