Paul is the author of Hacking with Swift, Pro Swift, Swift Design Patterns, Server-Side Swift, Hacking with macOS, Hacking with watchOS, Hacking with tvOS, Swift Coding Challenges, and more. Suffice it to say, he quite likes Swift. And coffee. (But mostly Swift.) (And coffee.)
Royi Benyossef is the ecosystem relations manager at Samsung NEXT TLV, an early stage investment and innovation arm that focuses on software and services. Royi is also an Android Google expert since 2013 with a vast experience as an Android evangelist on stages that included 4YFN/MWC, Google I/O, AppsWorld, DroidCon, CodeMotion, BABBQ and more. Prior to joining Samsung, Royi was the Android group leader at Vidmind where he managed a multinational group of engineers in designing and building Android clients for Vidmind’s OTT platform as well as proprietary Android based Smart TVs and STBs with Hisense.
Doug is a leading mobile developer advocate and evangelist.
He is widely known as an expert in mobile application architecture, especially when it comes to performance. Doug has worked with thousands of developers around the world, helping them improve the speed, battery life and customer satisfaction of their applications (both native and web). The author of O'Reilly's "High Performance Android Apps", he has spoken at conferences around the world on mobile performance.
He is currently freelancing, and traveling with his family of 6 (plus the dog!) as a digital nomad in Europe.
Yonatan is a co-founder and CTO of KolGene, being on a mission to make genetic tests usage optimized, accessible and affordable worldwide.
Previously, at Gett, which to date has raised almost $650 million in VC funding — he was the Head of Android, helping make it the world's largest on-demand transportation, delivery, and logistics company.
One of his greatest passions is helping people to learn and adopt new technologies.
As a result, he founded and now co-leads one of the largest, most active, gender diverse Android community in the world: Android Academy in Tel Aviv. 3500 members so far and they continue introducing hundreds of engineers to Android technology every year.
As a dev, Yonatan's primary expertise is Android and Mobile UX, but he's also friendly to frontend and backend technologies.
Vitaly Friedman loves beautiful content and doesn't like to give in easily. Originally from Minsk, Belarus, he studied computer science and mathematics in Germany where he has discovered his passion for typography, writing and design. After working as a freelancing designer and developer for 6 years, he co-founded Smashing Magazine, one of the largest online magazines dedicated to web design and development. Vitaly is the writer, co-author and editor of both Smashing Books. He is now working as the editor-in-chief of Smashing Magazine in the lovely city of Germany, Freiburg.
Danny is a mobile developer by heart. He lives and works in Berlin, the city he loves as much as Android.
Danny signed the Software Craftsmanship manifesto as a strong believer in the value of lifelong learning. He dreams in clean code and could speak about unit testing all night. That's also his favorite topic when speaking or writing about Android.
Danny was in charge for Android for eBay's classified business in Germany before moving to Groupon to build a team there bringing mobile to the lives of merchants. Even before Android came along he programmed for mobile phones and every device that could run some kind of Java.
Danny is a Google Developer Expert for Android and Kotlin.
Graduated from the Faculty of Computational Mathematics and Cybernetics of Moscow State University in 2012. In 2014 with the Any Void team came to work in Yandex where he now leads the development team of mobile Yandex.Maps for iOS.
Paulina is an Android developer at Droids On Roids. She is actively involved in Android community, co-organizing TOAST, one of the biggest meetups series for Android developers in Wrocław, engaged into GDG & WTM Wrocław community and blogging in her free time. Her passion is traveling around the world.
Developing and maintaining mobile infrastructure at Lyft: build systems, tooling, infra backends, Kubernetes, architecture, libraries.
Contributor/author of following crimes against humanity:
Anton Keks is a software craftsman, co-founder of Codeborne, the only extreme programming shop in the region, frequent speaker at conferences, and a lecturer in Tallinn Technical University. He is also a strong believer in open source software and agile development methodologies, author of a popular network tool — Angry IP Scanner, and a regular contributor to other open source projects.
Before founding Codeborne, Anton has led a team of developers of the award-winning internet-bank of Swedbank for 5 years, gradually introducing agile methods. During this time he has also co-founded Agile Estonia — non-profit organization that holds regular agile conferences in Estonia. During spare time he plays guitar, rides motorbike and travels to remote corners of the world.
Currently Sergey is an independent Android Engineer and Consultant with the background in backend dev. Co-organiser of the first Kotlin User Group in Russia and Android Academy in St. Petersburg and Moscow, usually speaks about Kotlin and Android. Kotlin early adopter, digital nomad.
Started working in iOS development in 2012. Worked on Boom and VK Live projects. In 2016 joined VK, where he works with video and live streaming.
Nishant is a Sr. Android Engineer at Soundbrenner in Berlin, Germany and an open source enthusiast who spends his time doodling when not hacking on Android. He is a caffeine-dependent life-form and can be found either talking about Android libraries or advocating that coffee is the elixir of life at community gatherings.
He has been part of 2 startups in the past (Founding Team Member at OmniLabs, Inc. and one of the first employees at Silverpush) with experience in Android SDK Engineering and Audio Digital Signal Processing (DSP) on Android.
While working at his past company (Silverpush), he developed the company's patented UAB (Unique Audio Beacon) Technology.
Alexander has been engaged in Android development since 2011. Currently, he is head of Android team at HeadHunter.
He is fond of technologization and optimization of processes in software development and design of architectural solutions. Speaker of many conferences, including DUMP, Droidcon, AppsConf, Mobius.
One of the Android Dev Podcast makers. Co-author and technical evangelist of the Moxy framework.
Denis used to dream of being a submarine captain, but as soon as he got his first computer, he decided to become a programmer. He has been working in IT for about 12 years now, the last 8 of which specializing in software development for mobile devices. He wrote his first iOS app in 2009, a game that was downloaded one hundred thousand times. Since then he's sure that mobile industry is the best way for a programmer to express own self. Denis appreciates clean and concise code. Since 2014 he leads iOS development at Mamba company.
Dmitry started developing on Android in 2014. In the same year he wrote "USE (Unified State Examination) public bank" (later "PASSING USE") application for Android and iOS, which made it to the top 10 in the Education category. Worked on many projects, such as "Benefits calculator", "RZD (Russian Railways) for Passengers", "RZD Online". In 2017 ran "Development on Android from scratch" courses in Penza within the scope of GDG Penza. Currently is iFunny developer in the FunCorp company.
Was in love with computers since childhood, literally grew up with the indusrty and was there at the very dawn of it. Since 2015 has been writing Android apps. Worked at QIWI, Russian payment service provider, had written the main app for them, was telling people about FinTech. Now Alexandr is working at Tinkoff.ru, writing the "Clients" app. He was always interested in security, including security of the mobile apps, so he surely has something to tell about it.
Cybersecurity architect, IoT expert, entrepreneur and yachtsman.
Areas of expertise: more than eighteen years of experience in the SmartCards field (JavaCard, EMV, GlobalPlatform). Design of hardware and software for cryptographic devices. Mobile payments and banking software development. Analyze and review of application security (Java, Android, iOS).
Developer of embedded systems. Android development is mostly secondary. Main area of expertise: hardware platforms, Linux and bare metal systems.
Full stack developer since 2008. Generally works with video: streaming, coding, playing and everything related. At Odnoklassniki works on OK Live application, video platform, calls and conferences.
Ilya worked in Moscow Engineering Physics Institute for a long time as a senior lecturer and a researcher. He studied the image processing and analysis algorithms and participated in some startups in this field working on image and video codecs.
In 2013 Ilya started working for Yandex as an iOS developer in mobile Yandex.Browser. Currently he is a head of mobile browser core development service.
Head of engineering, Video and News Feed Platforms at Odnoklassniki project, Mail.Ru Group company. Works on video processing and data storage for more than 10 years. Since 2012 works on software video platform which is the basis of Video service of Odnoklassniki portal. Used to work at Zodiac Interactive as a lead developer of multimedia service of tru2way® interactive television. Before that was into the development of CAS (Content-addressable storage) EMC Centera with 99.9999% availability. Took part in ACM International Collegiate Programming Contest as a member of SPbGETU LETI team. Enjoys yachting and playing chess.
Anton has been working at Badoo for the last 3,5 years, now he's the part of iOS Core team. Prior to that, he worked on Yandex.Search and Yandex.Browser for iOS. He maintains Chatto framework that is used in all Badoo iOS applications. In development, he appreciates simple solutions, clean code and tests. Big fan of Uncle Bob (Robert C. Martin) and his books, once managed to shake his hand and get his autograph.
Vyacheslav has started his career as an indie developer in 2013. Since then, he participated in creation of a bunch of mobile applications, from travel to corporate systems. Now he works at EPAM Saint Petersburg. He also took a part in first IOS school in EPAM as lecturer and mentor.
During his professional life, Vyacheslav learned how to turn his technical idealism into real value for app users and the project.
Mobile tech lead at Yandex, now works on Toloka project. 15 years of development experience.
Dmitry is a fan of clean code, scalable solutions and progressive architectures.
Alexander wrote his first Android app in 2010. Since then, he has been engaged in mobile development professionally. He managed to work in the mobile development studio and non-ailing startups.
In 2016, he moved to Uber in Amsterdam. In the company, he works with payments in Uber / Uber Eats applications on mobile devices.
Eugene started his developer career working with Apple platforms in 2010. He participated in developing various applications — from dating services to banking sector. In his free time he was doing reverse engineering and writing apps for Cydia.
Eugene was always interested in IoT devices and managing them from a mobile device.
He created and implemented the idea of MoneyDrop.
Currently he is a Team Lead in Raiffeisen Bank.
Vyacheslav has been working on Yandex.Maps for iOS for 2 years. For the last year he's been working with ARKit and SceneKit, learning their capabilities and experimenting with them.
When Alexey first got his hands on ZX Spectrum, he immediately knew that he would dedicate his whole life to software engineering. He worked as an engineer at a company, ran his own company, was an independent developer. He was developing systems for Russian Ministry of Defence, communication systems, tools for business. In 2009 Alexey wrote his first iOS app, and since then he has been hooked. Since 2016 he works at Sberbank, remodeling and optimizing Sberbank Online production.
Alex has been specializing in Android application development since 2009. Currently, he changed the focus from mobile app development to mobile VR app development (not game development). He graduated from NNSU with a master degree in Computer Graphics. He claims that he was born with a basketball and a keyboard in his hands.
Svyatoslav Scherbina is a developer interested in programming languages design and implementation. Currently he works as software developer on Kotlin/Native project at JetBrains and appears to be responsible for bridging Kotlin and iOS worlds.
Previously he used to work at Excelsior LLC on Excelsior JET project, certified Java SE implementation with AOT compiler.
iOS developer since 2013. Most of the time Igor worked in Warefly on iOS applications for music services. In October 2017 he started wishing to join a team of more than two people and at the same time he found a link to Badoo Hiring Event. Online test, 3 reviews in one day and Igor's wish came true: now he works in a big team.
Fyodor works as an architect in the MERA company for 10 years. For the last 3 years, he has been developing an Android Board Support Package (BSP) for one chip-making company. During this time, Fyodor acquired a good experience working with different versions of Android.