ReactFoo 2019

ReactFoo 2019

A gathering of over 250 web and mobile developers working with React

About ReactFoo Bangalore:

ReactFoo Bangalore comes back to its original home after completing five successful editions, India-wide:

  1. ReactFoo Bangalore - September 2017
  2. ReactFoo Pune - January 2018
  3. ReactFoo Hyderabad - March 2018
  4. ReactFoo Mumbai - May 2018
  5. ReactFoo Delhi - August 2018

ReactFoo Bangalore will bring together over 250 developers working with React, and who are invested in building a space for conversations around experiences using React in production.
ReactFoo Bangalore is a single-day, single track conference with talks, office hours and Birds of Feather(BoF) sessions. Workshops will be held on 1 and 3 March, before and after the conference.

Who should attend ReactFoo:

  1. Front-end engineers
  2. Teams and companies who are evaluating frameworks to use for running applications in production
  3. Cross platform mobile developers

ReactFoo provides you the opportunity to:

  1. Learn from and network with peers from the industry
  2. Gain insights from case studies of practical implementation, and evaluate ReactJS and React Native for your work
  3. Understand how to run React in production, end-to-end, rather than only build an application with React

Hosted by

A community - for and of - front-end engineers to share experiences with ReactJS, performant apps with React, crafting better User Interfaces (UI) with React and GraphQL ecosystem. ReactFoo also discusses design patterns and user experience. more

Sidhartha Chatterjee


Building Apps with Gatsby

Submitted Feb 5, 2019

Gatsby has recently surged in popularity but a lot of us still think of it as a static site generator. But Gatsby is great for complex client side web apps too! This talk aims to demonstrate that. We’ll be building a small app live using Gatsby!


We’ll start with a quick intro to Gatsby for folks who haven’t used it. We’ll discuss its main benefits and features.

The rest of the talk will be a live coding session of a small web app written in Gatsby. As we build the app we’ll debunk some myths and demonstrate:

  • Gatsby is good for apps and not just static websites
  • Gatsby gives a lot of stuff for free that we strive to do in so many apps — the PRPL pattern, image optimization, bundle optimization and preloading
  • Not all data has to be static in a Gatsby app, it works fine with the regular patterns of getting data at runtime and combining that with static data can be super powerful
  • Most websites including big ecommerce sites can be built with Gatsby

By the end of the live coding session, we’ll run the app, test its performance and lighthouse score.

We’ll end the talk with quickly glancing over upcoming features to Gatsby and discuss what we’re working on.

Speaker bio

Sidhartha is a full stack developer based out of Mumbai. He’s worked with several companies in the past including Cleartrip and Insider and has helped them build React apps, PWAs and Node.js microservices.

He is currently working on Gatsby, helping with OSS maintenance, building new features and bug fixes.

In his free time, he likes scuba diving in the deep seas, playing his guitar and walking his dog, Love.


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Xavier Lefevre

Kickstarting a library of internal React components for multiple teams

In a company, as the technical teams grow and work on different projects, the question of creating a set of common components naturally arises. This is what happened to us: over the years different teams redeveloped very similar components, from simple UI elements to complete business features. 9 months ago, it was time for us to take a step back and think: how can we do better? more

06 Feb 2019