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African Ruby Mini-Conference
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On 12th August 2021 leading Ruby developers will come together to share, inspire and learn.


12th  August 2021


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This is an inclusive conference that is welcoming and accessible to as many people as possible.

Conference Schedule

Download Calendar

Time (UTC+2) Speaker Title Speaker Country
15:00 Bernard Banta Welcome Nairobi, Kenya
15:10 Kalebu Jordan Opensource in Tanzania and Hacking Arduino + ESP32 with MRuby Tanzania
15:40 Promise Chukwuenyem Seamless Ruby Application Deployment using Capistrano Nigeria
16:10 Chris Nyaga Kwara: Testing In Ruby Nairobi, Kenya
16:20 Kaizilege Karoma Break Tanzania
16:40 Sam Adekunle Go Boundaryless with Turing Nigeria
16:45 Marylene Sawyer Building Modern Applications in Ruby: Fast, Efficient, Versatile, and Cost-Effective South Africa
17:15 Brooke Kuhlmann Code Reviews USA
17:45 Ufuk Kayserilioglu Shopify: Rails at Scale Cyprus
17:55 Bernard Banta Break: ARC Quiz Nairobi, Kenya
18:15 Sam Adekunle Go Boundaryless with Turing Nigeria
18:20 Clemence Sedem Reactive Rails Ghana
18:50 Raphael Noriode Closing Nigeria
19:00 Post conference discussion
  • Q&A with Shopify
  • Open Discussion with Sponsors and Participants
20:00 Shutdown platform


Ufuk Kayserilioglu

Photo of Ufuk Kayserilioglu

Ufuk is a Production Engineering Manager on the Ruby and Rails Infrastructure team at Shopify and brings over 20 years of industry experience to the company for the adoption of better Ruby tooling and practices. He currently works remotely from Cyprus where he lives with his beloved wife and wonderful daughter.

Chris Nyaga

Photo of Promise Chris Nyaga

Chris is a Software Engineer from Kwara who values simplistic & pragmatic approaches to building software.

Promise Chukwuenyem

Photo of Promise Chukwuenyem

Promise Chukwuenyem is a DevOps and Ruby on Rails Engineer at Venture Garden Group. He loves automating software delivery/deployment processes and finds joy building solutions using Ruby on Rails. He is a very active contributor on StackOverflow and often shares his knowledge in writing on Medium.

Kalebu Jordan

Photo of Kalebu Jordan

Kalebu Gwalugano, scientist by passion, mechatronics engineer by profession, has recently found a new life in programming. It's like you're little lab where you create your own little world and make your own rules, it works like magic!

Brooke Kuhlmann

Photo of Brooke Kuhlmann

Brooke Kuhlmann has been a software engineer for over two decades and enjoys sharing the love and craft of software engineering -- especially Ruby -- via the Alchemists collective where he writes, speaks, teaches, and contributes to open source software.

Marylene Sawyer

Photo of Marylene Sawyer

Mrs. Marylene Sawyer is a wife and mother who enjoys solving problems and building interesting solutions through coding whenever she finds time. Mrs. Sawyer is a professional full-stack software engineer currently based in South Africa. She recently completed the software development program at Microverse, a school for remote developers. Marylene also holds a BSc in Computer Science from the University of the People, Pasadena, California.

Clemence Sedem

Photo of Clemence Sedem

Clemence Sedem Agozi is a software engineer and cyber security researcher. He is currently working at getINNOtized GmbH as an associate software engineer.


African Ruby Mini-Conference 2021 is made possible through the generous support of our sponsors. Please give them your support too.

ARC Family Sponsors

  1. Kwara Nairuby
  2. Kwara Nairuby
  3. Turing Nairuby


  1. Cloudafrica Nairuby
  2. Bantamik Nairuby

Code of Conduct

The African Ruby Mini-Conference is run under the auspices of Nairuby. You can view our code of conduct. These rules must be followed by all attendees at all conference-related events.