About the Reviewers

Ahmed El-Sharkasy is a senior software engineer at Onfido (https://onfido.com/). Over the course of his life, he joined different start-ups. He worked as a team leader at Byteis (http://web.byteis.com/), lead developer at Bkam (https://eg.bkam.com), and software engineer at eSpace (http://espace.com.eg/) and Shaqa (https://www.shaqa.com/). He loves building products that can improve people's lives, and is specifically interested in the knowledge and education sectors. He is the cofounder and CEO of Fretsi (https://fretsi.com/), having a mission to deliver knowledge to humanity for free and rewarding people based on their knowledge levels. He has also published a research paper named TRUPI: Twitter Recommendation based on Users' Personal Interests.

Paulo A. Pereira is a senior software engineer. He fell in love with Elixir, and has a passion for exploring new technologies and keeping himself up to date with the industry's developments.

He previously worked as a consultant and lead developer for Mediadigital, implementing Grails and Rails solutions. He is currently working at Onfido Background Checks, a London-based tech start-up that is proving to be a key player in the background checking industry.