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Notion | Software Engineers (Full stack, Backend/Infra, Mobile; all experience levels) | San Francisco, CA | Onsite Notion's goal is to create the general purpose work tool for a p…

This looks great, but it's also focused on people—what happens when more and more support is done via AI?

I’m sorry that you had this experience. We vehemently agree that any one signal (such as IP address or use of a proxy) is a pretty poor predictor of fraud in isolation. We are tryi…

In short, no. A little more color: Stripe’s incentives are aligned with those of our users in that we want to let through as many legitimate customers as possible. We keep a very c…

We’ve been working on Radar, and releasing updates and improvements, continuously since we first launched. What we’re announcing today is (1) a completely revamped machine learning…

The rough idea is that you look at all the decisions made by the fraud model (sample 1 is fraud, sample 2 is not fraud) and the world of possible "predicates" ("feature 1 > x1", "f…

We're working on it!

We’re really sorry that you ran into this. There are a couple things we can help you with: - We give users the ability to disable the default rules and mark transactions as safe if…

For any fraud detection scheme (or any binary classification scheme, really) there’s a tradeoff between false positives and false negatives. The Radar 2.0 updates—particularly Rada…

I agree that the lack of standards and baselines in the fraud detection space isn't ideal. One example: some fraud products will build models using human labels as the target to be…

Most of our ML stack has been developed internally given the unique constraints we have for Radar. Among other things, we need to be able to - compute a huge number of features, ma…

Engineering manager for Stripe Radar here. Today’s update has been almost a year in the making and we’re excited to help Stripe businesses fight fraud more effectively. Here's more…

Engineering manager for Stripe Radar here. Today’s update has been almost a year in the making and we’re excited to help Stripe businesses fight fraud more effectively. Here's more…

(I work at Stripe) We've thought about this a little, and while we'd be excited to make Radar available more broadly (i.e., even to businesses not using Stripe for payments), for n…

We've been thinking about (and working on) a lot of these issues--we're definitely aware that users would like (totally reasonably!) more visibility and control. If you have any mo…

(I work at Stripe.) For credit card processing, automated fraud prevention does in fact come standard on all Stripe accounts and takes into account a great number of signals includ…

(I work at Stripe) Buyers won't have to contact Stripe directly, just as they would not contact a third-party fraud detection service directly. They'll contact businesses, who can …