Meet Our Speakers

We’ve have invited inspiring, highly regarded speakers who have been pouring their passion into the Swift community.

Yoichi Tagaya
iOS engineer & engineering manager at Mercari

Practical Structure to Configure Dependency Injection in Swift for iOS

In this talk, Yoichi—the original author of Swinject, the most popular DI framework for Swift—will introduce a practical structure to configure Dependency Injection with a minimum architecture written in Swift for iOS. The talk is based on Yoichi's experience developing a production app used by tens of millions of users.

Yoichi Tagaya

Yoichi is an iOS developer working at Mercari Inc, which provides a marketplace app for anyone to buy and sell items from a mobile device. He is also an open source contributor, and the original author of Swinject, the first and the most popular dependency injection framework written in and for Swift.

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Janina Kutyn
iOS Developer at Adyen, ex 

The Amazing Race: Performance of Standard iOS Elements and Technologies

In her talk, Janina will take us in a tour around  the performance aspects of common iOS technologies such as Auto Layout and  UIKit text controls, then highlight the differences between them and the compromises that we have to make as developers.

Janina Kutyn

Janina is an Amsterdam-based iOS engineer with an international background: she studied Computer Engineering at the University of British Columbia, and has worked in Vancouver, London, and Silicon Valley. Janina’s passion lies in developing sleek and performant user interfaces, a focus she has honed in a variety of roles. At Apple, she was part of the team that launched Apple Music. Today, on Adyen’s iOS team, Janina is helping bring their disruptive payment processing technology to apps around the world.

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John Sundell
Creator of Swift By Sundell, Stacktrace Podcast Co-host

The Lost Art of System Design

App architecture is a topic that is very commonly discussed in the iOS developer community, but most conversations tend to focus on design patterns and letter combinations—In this talk, John will take a step further and explore how system design can be a really powerful tool to create well-rounded architectures for apps of any size and complexity.

John Sundell

John builds apps, games & developer tools. He also makes Swift by Sundell – a weekly blog & podcast about Swift development. He has worked for companies like Volvo & Spotify, and is now an iOS freelancer. He’s the creator of several open source projects and loves to share his work with other developers.

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Paul Hudson
Author of Hacking with Swift

How Not to Write Swift

Swift gives us a dazzling array of features we can deploy to really screw up our code, so why use just one when you can have them all? Sometimes it's easier to learn what's right by seeing what's wrong, so in his talk, Paul will walk us through example code and fix the issues that come up.

Paul Hudson

Paul is the creator of Hacking with Swift, author of books about iOS, macOS, watchOS, and tvOS, public speaker, Rubik's cube enthusiast, and herder of his kids.

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Anastasiia Vixentael
Security Focused Product Engineer at Cossack Labs

Use Cryptography; Don't Learn It

Anastasiia will share with us her experience as a crypto-library author and iOS developer through a story about the mistakes  we usually make when using crypto, tips about “boring crypto”, and what is the current state of  cryptographic libraries.

Anastasiia Vixentael

Anastasiia has been developing  mobile apps for seven years and has been making them more secure in the last three. She is currently maintaining the open-source security library Themis, which allows developers to easily integrate encryption into their apps and infrastructures. Beside that she is conducting workshops and consulting teams about data protection design.

Anastasiia never tried coding on F#.

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Daniel Kennett
Indie App Developer & Creator of Cascable

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Daniel Kennett

Daniel is an independent iOS and Mac developer currently working on Cascable, a tool for working with WiFi-enabled digital cameras. He previously worked at Spotify as an OS X and iOS engineer.

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Meghan Kane
iOS Developer at Novoda, author of Core ML: Machine Learning for iOS

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Meghan Kane

Meghan is an iOS developer at Novoda in their Berlin office. She is the co-creator and instructor of a Udacity course on Core ML. When not coding, she can usually be found reading at a coffee shop or cycling. In her former life, she lived in the US and studied Mathematics & CS at MIT.

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Roy Marmelstein
iOS at Spotify & Creator of PhoneNumberKit

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Roy Marmelstein

Roy works on iOS at Spotify. He is the creator of PhoneNumberKit, Interpolate and Zip.

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