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Aboobacker MK

Ruby on rails developer at Red Panthers. Open source enthusiast and volunteer at Swathanthra Malayalam Computing.

Talk: Towards a decentralised world with ruby

The centralized system based service invites privacy concerns and questions how the data is handled/censored by the system. Discuss how having a decentralised software would really help us, Implementation of a simple decentralised app, Using Diaspora and Mastadon as examples

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Aram Bhusal

Aram is a full stack developer with over 7 years of experience building all kinds of web apps, primarily using Ruby on Rails. He has worked on B2B solutions around loyalty, messaging, Ecommerce, messaging and content curation platforms. In his previous avatars he was heading technology in various startups like 88 Cordials, Cloudaria and PoshVine, and is currently the AVP Technology in ArgilDX.

Talk: Multi-tenant applications and challenges I faced

Multi-tenant applications are some of the most interesting applications. How do you make such applications using Postgresql and Elasticsearch which work very seamlessly together? What are the challenges I faced when creating a multi-tenant application used by many banks and airline loyalty programs?

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Avdi Grimm

Avdi Grimm is a father, a Ruby Hero, the head chef at RubyTapas, and author of the books Confident Ruby, Objects on Rails and Exceptional Ruby. He splits his theoretical spare time between hiking the Smoky Mountains and dancing to oontz-oontz music.
His passion is Ruby. He spends most of his time training and educating other programmers, speaking at software conferences, hosting podcast and programming episodes.


For beginning programmers, coding is a superpower. But for experienced developers, code-centric thinking can also be a trap. Prepare to have your conception of what it means to be a programmer challenged, as we explore how to increase your leverage by choosing NOT to write code.

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Charles Nutter

He is one of the “JRuby guys”, co-lead of JRuby project and JVM enthusiast. He is a Ruby Hero and Java Champion too! He works every day to make JRuby the best JVM-based Ruby possible while pushing JVM folks and other language authors to keep improving the platform.

Talk: Ten Years of JRuby: What We've Learned and Where We're Going

JRuby 1.0 was released just over a decade ago. Since then we've built JRuby into a fast, concurrent implementation of Ruby, and the only production-ready alternative to CRuby. We'll take a look back, see where JRuby is today, and talk about what the future holds.

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Elle Meredith

Elle works as a consultant for Blackmill. Before Blackmill, she was a Development Director in the New York City office of thoughtbot. She believes in writing clean code, driven by automatic tests, with agile practices, an even work/life balance, and a respectful and inclusive team culture. Elle appreciates the value of strong communities. When she is not immersed in the Ruby community, she is probably immersed in water, or lately, in bread flour.

Talk: Algorithms to live by and why should we care

In this talk we will discuss algorithmic thinking in everyday life in language we can all understand. We will explore widely applicable algorithms, and how they reveal themselves in our everyday lives, so that we better understand what when and how we can use them in our programs.

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Kei Sawada

Kei, pronounced as "Kay", is a guy who loves day-to-day engineering. He feels happy at any moment during programming. That's why he met Ruby. His job was, is and will be everything about server-side and people. He also plays the contrabass once in a while.

Talk: Prototyping Kubernetes CRI(Container Runtime Interface) With Ruby and gRPC

Are you interested in wondering what Ruby can do to make this containerized world better? Want to know what is happening under the hood when Kubernetes is running? Then this talk is for you! In this talk, we will explore how we can make the best use of Ruby, gRPC, and k8s to orchestrate containers.

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Paul Stefan Ort

Paul makes software at Def Method in New York City. He is building Dependable for dependency update automation and the evolution of codebases. He is a classical violinist and pianist when not programming or reading.

Talk: Reflection in Ruby: Understanding the Implications of Loading Gems and Files

Have you wondered what is provided by a gem? What about monkey patches? Can you be sure that new changes do not conflict with old ones? We will demonstrate how to use Ruby’s built-in reflection methods to address all of these topics, building up from foundations available to every Ruby developer.

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Prasun Anand

Prasun is involved with different open-source projects aimed at super fast Scientific Computing on Ruby and D. He worked with SciRuby as a GSoC student in 2016, 2017. He worked on JRuby port of NMatrix and is currently work on creating GPGPU libraries for D and Ruby. One such effort is ArrayFire gem which has an outstanding performance. Currently he is working with Genenetwork on softwares for high performance genome analysis and RbCUDA gem.

Talk: GPU-accelerated Libraries for Ruby

RbCUDA and ArrayFire gem has an outstanding performance and can handle real world problems by crunching huge datasets. Deep learning libraries for Ruby with GPU acceleration are on their way. In this talk I would like to show how RbCUDA and ArrayFire help you easily accelerate your code.

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Rishi Jain

Rishi is currently working at Unbxd where he helps customers go from intent to content and solving some interesting problems along the way. Rishi also likes to travel and indulge in sports. Currently, Rishi is pursuing the dark of art of cooking his own meals, sleeping on time and staying positive.

Talk: Faster green builds: The key to developer happiness ..!!

Wouldn’t it be great if your the test cases were blazingly fast? In this experience talk, I will share how I reduced the test suite run time by 75%. I will share how using certain expectations, selectors, what to test and team work can lead to faster test cases.

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Shobhit Bakliwal

Founder of software company Indusbit, He has been in love with Ruby since 2012. Amateur pianist, full stack developer, newbie salesman, lazy blogger, and a product guy at heart. Was an early team member at Crowdfire and Head of Product at Unacademy.

Talk: A Rack and Morty adventure in serving requests

In this talk you’ll go through Rack from request to response. Starting with a basic “Hello C137” request and moving to something more complex. We’ll find what Rack enables us to do, write tests for our code, learn how to create reusable middleware, and how it fits in Ruby frameworks like Rails.

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Siddharth Sharma

Siddharth is currently the CTO at, the world's no. 1 matchmaking service. He has been a Ruby developer for over ten years. In prior lives Siddharth has been an investment banker and musician.

Talk: Programming Carbon Based Wetwares

At some point in your programming life, it might fall upon you to be responsible for the output of other humans. Humans run a weird carbon-based wetware that is infamous for its highly inconsistent API, fuzzy logic and extreme fragmentation. I’ll help you understand, work with and scale this wetware

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Tony Vincent

He is a developer from Kochi, Kerala working at RedPanthers and He is in love with ruby. He enjoys contributing to opensource and answering stuff on Stack Overflow. He has prior experience of speaking at RubyConf Indonesia 2017

Talk: Reusing the Wheel

This talk demonstrates with examples how to write better Ruby code using some lesser known, underused ruby/rails methods & abstractions. Don’t miss this talk if you want to learn about some simple yet powerful methods like ‘enum#flat_map’ & ‘object#tap’ that can help you code like a pro using Ruby

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Tushar Maroo

He is a software architect with a business mindset. Currently working as an Engineering lead at ShopX. He started his career as a freelancer wearing multiple hats and going fullstack. He has been working on some challenging features & solving scaling problems lately for the B2B world. He loves open source, also he help in organizing BRUG meetups (Bangalore Ruby User Group). When not working you can find him exploring $crypto currencies & blockchain.

Talk: Scaling up: Myths Busted!!

Scaling a legacy system is something we all face at one point or the other. In this talk, I will share about scaling a Write heavy system along with some of the myths busted in process. These learning and myths will leave you with a thirst of doing your own research as per your use-cases for sure.

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Victor Shepelev

Ukrainian programmer and poet with more than fifteen years of programming experience and twelve years of Ruby programming. Working at, mentoring students (including Google Summer of Code-2016/2017, as a mentor for SciRuby organization), developing open source (Ruby Association Grant 2015).

Talk: When The Whole World Is Your Database

How to model all real world concepts in Ruby and don’t lose your mind in the process? How to fetch data uniformly from Wikidata, WorldBank, OpenStreetMap, and TheMoviesDB and mash them up?… And why would anybody try to lift up such a task? Answers are coming.

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Zach Holman

Zach Holman is a developer living in San Francisco. He joined GitHub in 2010 as one of their first engineering hires, and helped build and grow their product and culture over five years. Currently he’s the founder and CEO of During, a new calendar to help you during your day. He also advises startups, including GitLab and Dockbit.

Talk: UTC is Enough for Everybody, Right?

"Just use UTC" is the common sentiment we give programmers when it comes to dates and times. But that's not... entirely... accurate... particularly when we're building applications meant to be seen and used by multiple humans in multiple timezones. There's a lot of very valuable things we can learn to help us improve our software when it comes to times and dates.