10x Faster Mobile App Dev with PureScript - Vimal Kumar, Juspay

At Juspay, after spending a few years writing various payments applications, we found
ourselves looking for a better way. We wanted to allow newcomer developers, designers and
project managers to be able to jump in and start creating solutions to their problems, without
jumping through the hoops created by the language and tools.

As a JavaScript house, we explored a number of options and chose PureScript as our core
language. It paired the conciseness of Haskell with the ubiquity of the JavaScript interpreter,
allowing us to make a staged transition. We modeled the UI components and business flows as
simple, pure functions that are reusable across apps. The frontend and backend were naturally
unified, and could be represented as a continuation of flow between the client and server.

In the last several months, we have made major strides towards allowing everyone in our
company to be able to examine and write code for the apps we are building. We have trained
around 100 interns on Haskell and PureScript to work on our platform in production. We have
been able to deploy this framework into production in mission critical payment and banking
systems.

In this talk, we will talk a bit about the framework we have built, and then dive into our rationale
for choosing PureScript as our language, our experiences in transitioning from JavaScript to
PureScript, and what we have learned along the way.

Talk details: https://jsfoo.talkfunnel.com/2017/97-10x-faster-mobile-app-dev-with-purescript

JSFoo 2017 website: https://jsfoo.in/2017/

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