Zopa Blog

Optimisation algorithms at Zopa, Part II: speeding up Python with Numba

In the previous post, we discussed how to optimise an algorithm prototype in Pandas by using optimal methods or shipping computation to Numpy. In the second part, we will focus…

Posted on 27 March 2018
by Dat Nguyen

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Optimisation algorithms at Zopa

Data science opportunities at Zopa are diverse and varied. While we have talked at length in the past about our machine learning algorithms and our main tools, another important class…

Posted on 27 March 2018
by Dat Nguyen

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Three things I wish I knew earlier about Machine Learning

Tech Zopian life

Three things I wish I knew earlier about Machine Learning

(Reposted from www.peadarcoyle.com) I’ve been working with Machine Learning models both in academic and industrial settings for a few years now, and I recently watched the excellent Scalable ML from…

Posted on 09 March 2018
by Peadar Coyle

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Women in Tech at Zopa

Inside Zopa Tech Zopian life

Women in Tech at Zopa

Last week, we hosted our first Women in Tech event at Zopa. People from all over the industry joined us for an evening of eating mince pies, networking and listening…

Posted on 22 December 2017
by Laura Wilson

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Open Source at Zopa

Future of finance Tech

Open Source at Zopa

Recently we were contacted by the Python Sprints Meetup - a group that wants to encourage people to contribute to Open Source via workshops and sprints. One of our data…

Posted on 13 December 2017
by Peadar Coyle

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Investments Tech

Progress on improving loan sale times (and an update on the rebate period)

Recently, some of our processes have been running slower than normal, resulting in it taking longer for you to sell loans and access your money early. We’re working hard to…

Posted on 01 September 2017
by Andrew Lawson

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Tips for honing your logistic regression models

Tips for honing your logistic regression models

When we create our Credit Risk assessment or Fraud prevention machine learning models at Zopa, we use a variety of algorithms. These include classification and regression trees, more complex algorithms…

Posted on 20 July 2017
by Soledad Galli

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Building better platforms with Kubernetes

Zopa is both a ‘finance’ and a ‘technology’ company. It is our passion for technology that enables us to deliver better and more innovative financial services and products. Our…

Posted on 16 June 2017
by David McCormick

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Health-monitoring in production (beyond logs)

Health-monitoring in production (beyond logs)

Here at Zopa, we are about halfway through our journey of breaking up our venerable monolith into various microservices. It shouldn’t come as a surprise that whilst a microservice architecture…

Posted on 13 April 2017
by Jon Bates

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Zopa at The Hacker Games

Zopa at The Hacker Games

Did you know that of the people who are only able to move their eyes, 50% are not able to blink voluntarily? How can those people use Google Maps to…

Posted on 24 March 2017
by Tom Groombridge

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Zopa hosts Women Who Code event

Inside Zopa Tech Zopian life

Zopa hosts Women Who Code event

One of the best ways to realise what you don’t know about code is to try to teach it to someone else. Why can’t you wrap the entire body element…

Posted on 23 February 2017
by Zopian blogger

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Machine learning at Zopa: looking at the trees and the forests

Machine learning at Zopa: looking at the trees and the forests

At Zopa, we do a lot of machine learning. We make our machines learn to evaluate credit risk and fraud. We train them to produce fair pricing for our customers,…

Posted on 13 February 2017
by Soledad Galli

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Paths to programming – meet Kate and Tom

Inside Zopa Tech Zopian life

Paths to programming – meet Kate and Tom

Our people come from many different backgrounds. Here at Zopa we recognize diversity of experience and background as a positive for our teams, and for the strength of the business.…

Posted on 25 January 2017
by Zopian blogger

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Building a rule system in Ruby to evaluate loan applications

Building a rule system in Ruby to evaluate loan applications

Every day many people apply for a loan at Zopa to make a positive change in their life. Some of these applicants are declined and, of these, a small minority…

Posted on 25 January 2017
by Greg Baker

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Jump into OKRs without jumping off-track

Tech Zopian life

Jump into OKRs without jumping off-track

TL;DR If you're starting your journey with OKRs and it's scary, fear not! The mere fact you've started means you're doing well. Stay enthusiastic! At Zopa, we're split into autonomous…

Posted on 16 December 2016
by Orrin Ward

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