LinkedInSidu Ponnappa

Sidu Ponnappa

Organizer at RubyConf India

Bengaluru Area, India
Information Technology and Services
  1. RubyConf India,
  2. C42 Engineering,
  3. TrustedRishta
  1. C42 Engineering,
  2. RubyConf India,
  3. ThoughtWorks
  1. Visvesvaraya Technological University

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RubyConf India

RubyConf India


– Present

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Sidu is Founder and CEO of C42 Engineering, a boutique software consultancy ($1M run-rate) and self-funded product company (>100k active users annually).

As part of the founding team of C42 Engineering, he has been responsible for building a strong brand backed by a stellar engineering team, growing the consulting practice from nothing to a $1 million runway in 24 months with no external funding.

C42's product arm was responsible for building and launching and, helping over a hundred thousand people worldwide learn these programming languages every year. It is now shipping, a SaaS solution for matchmakers and marriage bureaus in India.

Sidu started messing around with computers when he was six and has used Ruby as his preferred programming language since 2006. He loves programming and programming languages, and has deep experience with object oriented design.

He has spent nearly five years at ThoughtWorks doing Agile (specifically XP) and delivering projects in a distributed setting for Fortune 1000 clients.

Sidu speaks occasionally at both local and international conferences. You can find his previous talks and speaking schedule at



RubyConf India
– Present (6 months)Bangalore

I'm returning as a volunteer and a member of the core team for the 2015 edition of the conference.

RubyConf India is the Indian edition of the international RubyConf focussing on the Ruby programming language and its ecosystem.

Partner & CEO

C42 Engineering
– Present (8 months)

C42 Engineering is a boutique technology consulting firm based out of Bangalore, India.

We work remotely with ambitious startups to iteratively architect, develop and scale their core product offerings.

We work locally with high performance teams to help them identify and adopt software engineering practices that enable them to deliver quality software, continuously.


– Present (1 year 3 months)Bangalore

TrustedRishta allows families to get to know prospective matches ("rishtas") by discovering common relatives and friends and conveniently share verified biodata and pictures.

We make zeroing in on the right match discreet, easy and quick.

TrustedRishta's B2B SaaS offering targeting matchmakers and marriage bureaus has been launched under the brand


– Present (1 year 9 months)Bangalore

Helped, CodeMonk's first product grow into a top-tier online education destination for the Ruby programming language. Approximately 50% of people worldwide that decide to learn Ruby use RubyMonk at some point.

Launched for the Python programming language.

Founder & Director

C42 Engineering
– Present (4 years 7 months)


C42 Engineering
(2 years 10 months)

Helped grow the consulting business from 0 to a million dollar run rate in 24 months.

Helped start C42 Labs, C42 Engineering's product division which was responsible for, and


RubyConf India
(10 months)Bangalore

I'm returning as a volunteer and a member of the core team after a break of a little over a year.

RubyConf India is the Indian edition of the international RubyConf focussing on the Ruby programming language and its ecosystem.


RubyConf India
(1 year 2 months)

Senior Consultant

(4 years 10 months)

Delivered mission critical software to clients like LLBean and Rackspace.

Creator and organizer

DevCamp India
(2 years 1 month)

Conceived and helped execute the first two Devcamps.


(2 years 4 months)

InActiv Labs ( ) is a startup based out of Bangalore.

It ran a SMS based group messaging service, Activ Mobs, launched in January 2007. At its peak, it had about 60k registered users, 6k daily active users, an output of 1.5 million SMS messages per month and advertising response rates of upto 12%. Activ Mobs wound up in 2008.

Volunteer Experience & Causes


RubyConf India
Science and Technology

PR, Fundraising, Logistics

Opportunities Sidu is looking for:

  • Joining a nonprofit board
  • Skills-based volunteering (pro bono consulting)

Causes Sidu cares about:

  • Economic Empowerment
  • Education
  • Health
  • Human Rights
  • Poverty Alleviation
  • Science and Technology

Organizations Sidu supports:

  • Electronic Frontier Foundation
  • Ashoka


  1. English

  2. Hindi

  3. Kannada

  4. Kodathak


  • Ruby on Rails
  • TDD
  • Ruby
  • Extreme Programming
  • Pair Programming
  • Agile
  • Entrepreneurship
  • RSpec
  • Scrum
  • BDD
  • Continuous Integration
  • Git
  • Refactoring
  • Sinatra
  • DDD
  • JRuby
  • Design Patterns
  • OOP
  • REST
  • OOAD
  • NUnit
  • SOA
  • Entrepreneur
  • Java
  • Open Source
  • C#
  • XP
  • Agile Project Management
  • jQuery
  • JavaScript
  • Web Applications
  • Agile Methodologies
  • Test Driven Development
  • Python
  • Software Development
  • MongoDB
  • Spring
  • Distributed Systems
  • PostgreSQL
  • Amazon Web Services...
  • See 25+  See less


Visvesvaraya Technological University

BE, Computer Science

Activities and Societies: Quiz Club, Computer Club

The Frank Anthony Public School

ISC, Mathematics, Physics, Chemistry and Computer Science

Activities and Societies: Quiz Club, Computer Club, Literary Club

Honors & Awards

VITM '99, 5th place
VITM '00, 1st place
(The VITM is a state-wide, week long programming contest for students under the age of 18)

The Microsoft Imagine Cup 2005 Software Development Invitational: one of the three teams in India to make it to the finals, out of over six thousand.

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