Blog

My summer internship at Sandtable

Over the course of this summer I spent 11 weeks as a Software Engineer intern at Sandtable. I had a wonderful time here and learned a lot from some very knowledgeable and friendly Engineers. We worked with Trello, which I am very fond of, to organize our tasks and had daily morning chats about what everyone …
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etcd3 leader election using Python

For a recent Sandtable hackathon, we built a prototype of a highly-available cluster (master-worker) framework. We decided to use etcd3 to store master state, for leader election, and implement a presence protocol. Etcd, developed by CoreOS, is a distributed, reliable key-value store written in Golang that implements the Raft consensus protocol. For leader election, we …
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AWS Summit London 2017

"I think we found something that AWS doesn't do well at scale." - overheard in the registration queue We once again attended the AWS Summit in London with more than 6000 visitors expected. In order to enjoy the event, you'd have better been early... or you could have end up in a massive registration queue or …
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What’s up with Targeted Advertising?

A lot of people have been down on targeted advertising recently, saying its days are numbered, and that mass marketing is the way forward. Dreaming up marketing segments to target is one of the big rituals of the advertising process so, understandably, quite a few people in the industry are upset about it. Mark Ritson, …
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PyData London 2017: Forecasting social inequality using agent-based modelling

James gave a brilliant talk about forecasting social inequality using ABM at the recent PyData London 2017 conference. You can check out the video here and the slides here. The abstract: "How can we assess the future impact of changes to government policy? One tool that is gaining in popularity is agent-based modelling, in which a population …
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Using SSL with gRPC in Python

We have recently started using gRPC at Sandtable and we really like it. gRPC is an HTTP/2 based open-source RPC framework released by Google in 2015. It uses Google's Protocol Buffers as the interface definition language and data serialisation format. gRPC can be used from a number of different languages, for example, C++, Python, and Golang, to name …
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