Speakers

With 20+ years of experience in web development, he has seen technologies come and go. He has done work in multiple languages but he specializes in backend development in PHP. As a lead engineer, he values communication above technical specialization. He enjoys the puzzle of a piece of code and the fact that there's always more solutions to be found for a problem.

Derick Rethans is a PHP internals expert and author of Xdebug. He works as an independent contractor and consultant on PHP extensions and related projects. He works for the PHP Foundation to improve PHP, and continues to contribute to the PHP project in numerous forms (Date/Time Extension, Xdebug, PHP 4.4/7.4 Release Manager, etc). He is a frequent lecturer at conferences, the author of php|architect's Guide to Date and Time Programming, and the co-author of PHP 5 Power Programming.

Tejas Chopra is a Senior Software Engineer, working in the Data Storage Platform team at Netflix, where he is responsible for architecting storage solutions to support Netflix Studios and Netflix Streaming Platform. Prior to Netflix, Tejas was working on designing and implementing the storage infrastructure at Box, Inc. to support a cloud content management platform that scales to petabytes of storage & millions of users. Tejas has worked on distributed file systems & backend architectures, both in on-premise and cloud environments as part of several startups in his career. Tejas is an International Keynote Speaker and periodically conducts seminars on [...]

I have over 20 years of experience as a software engineer and technical lead in various industries including eCommerce, Aerospace, and Fintech. As an open-source contributor, I have shared expertise and connected with the wider developer community. As a blogger, I have written extensively on software and data engineering topics. I am now part of a global innovative financial technology platform where I focus on APIs and Developer Experience.

I'm Soumaya Erradi and I'm a software developer and an IT teacher. I'm high skilled in web development (frontend and backend), specialized in developing enterprise applications using Angular. Currently, I'm working as frontend lead developer in a team focused on blockchain app development. I'm also holding coding courses and meetups to deepen technical and business issues related to Blockchain and Smart Contracts. As a speaker at conferences I bring advanced Angular topics, tips for the integration of smart contracts and best solutions for decentralized applications and web3.

Joralf is a member of the management team and a (technical) project manager at Infi, a digital agency based in Utrecht. He loves building self-managing teams in which business and developers work together in harmony. In his spare time he's one of the organizers of the DomCode meetup, a cross-language user group for web developers in the Utrecht area.

Lianne is an award-winning cyber anthropologist and security transformation leader with experience in the retail, healthcare, finance, private and non-profit sectors. Her consultancy, The AnthroSecurist, enables teams in complex organisations to understand each other’s motivations, identify barriers that have prevented good security practices in the past, and provide practical steps and insights to increase collaboration between the security team and the rest of the organisation. Lianne is also the Head of SecOps for the largest greenfield technology project in Europe where she builds strategies to create sustainable security cultures throughout the organisation. As a respected speaker, Lianne has delivered talks [...]

A lifelong technologist, starting coding at the age of six, Jeff has been in the industry for over 24 years. He has a love for CyberSecurity, especially the human elements of it. Working for a consultancy, he's seen the world change to be product and service focused, and bangs the drum for ensuring that everybody is involved in delivering secure and usable offerings.

Craig is a Software Engineer from New Zealand, currently travelling the world, freelancing, teaching and consulting! He's an Angular GDE, and he loves using all kinds of technologies to build cool things that help teams build cool things!

I'm Shruti Balasa, a full stack web developer and a Tech Educator from India. I like to make web development simple for beginners through my courses, Youtube tutorials and eBooks. Some of my latest courses include "Laravel 9.0 Essentials" and "Advanced Laravel" on LinkedIn Learning and "CSS Grids Simplified" and "CSS Flexbox Simplified" on Laracasts. I'm a Tailwind CSS evangelist with most of my Youtube videos dedicated to help beginners learn the framework. I'm an author of two eBooks "Complete Guide to CSS Flex & Grid]" and "Level up with Tailwind CSS" with a combines sales of 1800 across 80 [...]

Vadym, a seasoned software engineer, possesses a wealth of experience in Android application development. He has skillfully transitioned his expertise to cross-platform development, utilizing Flutter. Throughout his career, Vadym has collaborated with a diverse range of companies, from industry giants like Samsung, Volvo, Bosch, and Instagram to smaller start-ups. Leveraging his extensive knowledge and experience, he now contributes as a technology writer, speaker, educator, and mentor.

Tugdual "Tug" est Solutions Engineer chez GitHub où il aide les développeurs à utiliser au mieux GitHub sur leur projets. Auparavant, Tug a travaillé chez Redis, Red Hat, MapR, MongoDB, Couchbase, eXo et Oracle comme dévelopeur, product manager ou developer advocate. Tugdual est également co-fondateur du Nantes JUG (Java Users Group) qui réunit tous les mois depuis 2008 les développeurs et architectes de la région nantaise.

I've been working as a .NET developer for over 16 years now in a variety of industries including government, retail and manufacturing. But I've been hacking around with computer code since I was old enough to read my Dad's copy of the ZX Spectrum BASIC coders manual. I've been speaking about Functional C# at various user groups and conferences around the UK, USA, Europe and Australia and am particularly interested in seeing just how far we can push C# without breaking it. I'm currently working on a book for O'Reilly publications about functional programming with C#. Expected to appear in [...]

Thomas fell in love with Android in 2009. He has been constantly contributing to the community since then. Thomas loves writing books (four titles, 15 editions) and articles. He enjoys speaking at conferences and meetups. Thomas' first encounter with programming was in the era of home computers during the early 1980s. Later came C, Perl and a few more. During the 90s he wrote a bunch of programs for the Atari ST series. The first decade of Thomas' professional career centered around Java Enterprise. Today it’s all things Android and Kotlin.

Ramona is a software engineer and aspiring speaker with a passion for creating inclusive and accessible applications. She likes to spread awareness about this topic and hopes to inspire people both in her daily work and by taking the stage whenever she gets the chance.

Saravanan is an Architect working at Rabobank, Netherlands and one of the leads of the Growing Greener (Sustainability) community in the bank. He has more than 22 years of experience in diverse IT and business roles with different banks across the world. His passion is in Architecture, IT sustainability and Green Software and how we can generate more interest among the IT community in sustainable software.

I started my career as a full-stack software developer in 2002 and have since progressed to a lead architect role. Over the course of these 20+ years, I have gained extensive experience with a wide range of technologies. Nowadays I help companies build better applications and create practical solutions that ease the life of developers.

Pamela is a Developer Advocate for Kotlin Multiplatform at JetBrains and has more than 20 years of experience writing desktop, web and mobile apps.

I've been fascinated by computers and software since I was young: at 12 I discovered the open-source world, joined the Ubuntu Community and started my journey in the software development magic. Android developer since 2013 when I bought my first Android phone. I immediately fell in love with the platform and started developing some projects like Numix and libraries like AppIntro and then bringing that passion to work. Now I'm developing Indoor Positioning and Navigation systems at Nextome in Conversano (Puglia), while I finish my Master's Degree in Computer Engineering at Politecnico di Bari.

Murali is an experienced Senior iOS Developer with more than 10 years of expertise in Mobile App Development. He is also the co-creator and co-author of https://SwiftPublished.com, a weekly blog that focuses on iOS Development. Murali believes in writing clean and organized code and prioritizes testing as the first step. He enjoys collaborating and learning from the community to enhance his skills.

I'm a Lead UX/Product Designer with more than 18 years of experience. Currently in London and working at the Financial Times, I've built my design career working in the tech hubs of New York, San Francisco, and Los Angeles. UX and digital design being my passion, I frequently write articles about design, speak at design events, and mentor up-and-coming product designers (with almost ten thousand followers between Medium, LinkedIn, and Twitter).

Marcin Moskala is an experienced developer and Kotlin trainer. He is the founder of the Kt. Academy, an official JetBrains partner for Kotlin training, author of the books Effective Kotlin, Kotlin Coroutines, and Android Development with Kotlin. He is also the main author of influential articles about Kotlin and a speaker invited to many programming conferences.

Marco is an Android engineer, currently working at Airalo. He is a Google Developer Expert for Kotlin, he loves Kotlin and he has experience with native Android and native iOS development, as well as cross-platform development with Flutter and Kotlin Multiplatform. In his spare time, he writes and maintains open-source code, he shares his dev experience by writing on his blog, speaking at confs and organizing events with the Google Developer Group Venezia and he plays basketball.

Started with his C64 at age 11 in 1987. Manuel “Stuff” Carrasco Molina became a Pro Software Dev in 1997 after 3 years of CS. Started the first french podcast about Apple in 2005. Started developing for iOS in 2008. With Swift since 2014 (pre-1.0).

Marcel Schutte is a Lead Solution Architect at Sogeti Nederland, a leading provider of technology and engineering services. With over 17 years of experience in the industry, Marcel has a deep expertise in software development and a passion for solving complex problems. At Sogeti, Marcel works on a wide range of projects, from developing custom applications to implementing enterprise solutions. He is particularly interested in the latest trends and technologies in the field, such as cloud computing, microservices and architecture modeling. Marcel is also an active contributor to the developer community, regularly sharing his knowledge and insights through talks, workshops, [...]

I am an Android Developer, working in and around IT since 2013. Java-trained with full stack interests, but now fully embracing Android. Come talk to me about creating an accessible app for all, Compose and fun team outings.

Lirone Glikman is an international speaker, a thought leader in the areas of business networking and personal branding, and a global business development consultant catering to startup and high-tech companies. She has been researching business communication in a digital, evolving world. Over the past decade, Lirone has developed a methodology for achieving business results through authentic networking. She has spoken and taught to hundreds of thousands of professionals worldwide, including developers, executives, and entrepreneurs in leading corporations, universities, and governments globally. She has also presented on some of the world's most prestigious stages, such as the United Nations. Lirone has [...]

Ibrahima is an iOS engineer with a decade of experience especially interested in building magical and accessible mobile experiences, scaling, and shipping reliable applications. He also loves sharing his knowledge at conferences and meetups and on his Youtube channel.

Kemal Selim Tekinarslan is an experienced Android engineer with a decade of expertise in developing Android applications. Currently based in Berlin, he works at Holiday Pirates GmbH, focusing on the development of travel applications. With a deep passion for mobile technology and its potential to improve human lives, Kemal actively participates as an attendee at renowned events such as Droidcon series, Android Makers Paris, and ADDC Barcelona. These conferences provide him with valuable insights and inspiration, allowing him to stay updated on the latest advancements in Android development. To further broaden his horizons, Kemal embarked on an enriching journey across [...]

Hakkim is a senior technology leader with 18+ years of expertise in delivering scalable, reliable, and sustainable technology solutions. He is currently the Head of App Engineering at Zalando, and he is passionate about delivering and optimizing Business Capabilities and Customer Experiences through Technology.

Giovanni is Sr. Developer Advocate at Amazon, where he works on supporting developers around the world using the Amazon Appstore on different devices. He previously worked as a software engineer in mobile, real-time defence system and VR/AR. He is Interested in low level programming, IoT, and command line :D.

Ennio Brands is a Technical Strategist at Move. Over 15 years experience in platform and app development. Ennio has been responsible for over dozens of mobile apps that are still being used by millions of users today. As a Technical Strategist he now helps clients and organisations with their digital ambitions and writes and talks about digital innovations.

Father and husband · Google Developer Expert for Android · Mobile Staff Engineer at Decathlon · GDG Lille (Android), FRAUG and Devfest Lille organizer · Disney Fan!

Emad Ghorbaninia is a prominent figure in the tech industry, particularly known for his expertise as a Mobile Lead Engineer, Solution Architect, Passionate team lead, Public speaker and Article Author, Tech Editor, Video Instructor. His passion for technology extends beyond his professional duties, as he is always keen on learning new topics in the field. Beyond his tech pursuits, Emad enjoys a range of leisure activities. He's an avid player of both board games and video games, enjoys watching various series, plays the harmonica, and is also an intermediate table tennis player. In his professional capacity, Emad Ghorbaninia has contributed [...]

Elaine is a Senior Staff Engineer at SFEIR where she works on projects including mobile technologies since 2013. She has worked on several projects in native Android/iOS and Flutter. She's a GDE for the Google Assistant, Flutter and Dart

Elvira is a mobile software engineer, currently working at ING Netherlands as a Flutter developer. She is a true passionate about mobile app development and its power of crafting meaningful experiences, which led her to transition from a design role to a software development one. After exploring different stacks, she is now a Flutter enthusiast.

Staff Software Engineer at Decathlon · GDG Nantes Android Lead · AndroidMakers by droidcon Staff · Watercolorist

Dean is an Android Engineer based in Zagreb, Croatia. He has been working with Android for 6 years. He's currently employed at Endava. Previously, Dean was part of FIVE, a company recognized as a Google Developers Certified Agency in 2018, which was later acquired by Endava. He's an active member of the Android community. He's been a part of the kodeco.com tutorial team for 5 years where he ​​contributed to three Android book projects and numerous tutorials. He also participates as a speaker at tech conferences and local tech meetups. In his free time, he loves biking, and working out [...]

Daniel Zucker is Tech Lead/Manager for Camera Experiences in the Google Home App. The Google Home App is used for seamless management of smarthome devices in your home. It is also used to set-up and manage devices in the Google Nest family such as smart speakers, smart displays, chromecasts, thermostats, etc. Prior to Google, Daniel worked at Nokia, Sony Ericsson, PalmSource, Access, and ePocrates. He holds BS, MS, and PhD degrees from Stanford University’s Computer Systems Laboratory. He has over 30 publications and has spoken at many conferences.

Daniel is the author of more than a dozen books including the best selling books A Functional Programming Kickstart, A SwiftUI Kickstart, A Swift Kickstart and Dear Elena. Daniel presents iOS, Functional Programming, SwiftUI, and Swift training and consults through his company Dim Sum Thinking. He has written apps for the iPhone and the iPad since the SDKs first appeared and has written programs for the Mac all the way back to System 7. When he's not coding or talking about coding for the Mac, the iPhone, and the iPad he's probably cooking, baking bread, or hanging out with friends. [...]

Chrystian Vieyra is an Android and iOS app developer with a specialty in visualizing sensor data. He recently transitioned to be an engineering manager at Comcast. Born in Celaya, Mexico, he immigrated to the United States to complete his B.S. in Computer Science from Western Illinois University. Chrystian resides in Washington, DC.

Burcu is an iOS advocate, wants to empower others with her extensive tech expertise. In her formative years, the transformative potential of technology showcased in The Matrix struck a personal chord. Inspired by the limitless possibilities of tech, she later embarked on her journey into the world of computer engineering where she discovered her passion; designing technology to help improve lives, one app at a time. In 2021 she joined the Eurail team, bringing over 5 years of mobile app development expertise spanning finance, business/e-commerce, travel/tourism, and the tech industry. Within Eurail she crafts code behind the scenes, ensuring a [...]

iOS engineer since 2013. Worked on the Facebook app 2017-2021. Today leading the Behance iOS app at Adobe. Mammoth: aviel@mastodon.social Bird: @avielgr

Alex Ozun is a software engineer with a decade of experience in mobile applications development. For the last 4 years he's been developing American Express iOS app.

Avi Tsadok has worked in iOS development for 12 years and is currently the mobile group manager of Melio Payments.  As part of being an iOS Developer, Avi worked on cutting-edge apps such as "Any.do" and wrote three books about Swift and iOS development, along with dozens of tutorials and articles.  He resides in Tel Mond, Israel, with his wife Tammy and their two children.

Akanksha is a Software Engineer at JP Morgan Chase & Co., crafting engaging and innovative software solutions in the Asset and Wealth Management Line of Business. She has a keen interest in Flutter and enjoys building user-friendly and accessible applications. Her passion for Flutter has taken her to international conferences like FlutterHeroes, FlutterCon, and Flutter & Friends where she has shared her insights and expertise. Beyond her role, Akanksha is an avid participant in hackathons. Her passion for community building and mentorship has driven her to lead student communities at university and mentoring roles at prestigious hackathons like HackHarvard, Hack4Inclusion, [...]

Ivo is the founder of app agency Egeniq. For the past twelve years Egeniq has been building large scale apps for media and other companies. He is also the founder of the Appdevcon conference for app developers.

I am a passionate iOS engineer with more than seven years of experience. I have worked in start-ups and big companies both in Iran and in Denmark, where I am currently based. AI and mobile are my two big passions, and when I get to mix them it is my dream come true. I love sharing knowledge and learning. I am an Engineer by day 👩🏻‍💻 and a movie geek 🎥 by night. And according to Spotify, I listened to 105 different genres last year 🎧

As the Technical Evangelist at Varnish Software, Thijs Feryn focuses on web performance, software scalability, and content delivery. He demonstrates content-driven and technical messaging through presentations, videos, books, blog posts, social media posts, podcasts, and other media. Thijs is a published author and wrote "Getting Started with Varnish Cache" and "Varnish 6 by Example". As a public speaker, he has a track record of over 270 presentations in 20 different countries, where he is often praised for his energetic and engaging presentation style. As an evangelist, Thijs is also active in many open-source communities, most notably the Varnish and PHP [...]

Tom Colvin is CTO of Apptaura, the app development specialists; and Conseal Security, the mobile app security experts. He has been a developer for over 20 years and worked with Android since Cupcake, and is also Google Developer Group lead for Hants & Surrey (UK)

With over 10 years of Android development experience, Zachary moved into DevRel at the start of 2021. While turning to the dark side and moving into management he's still very passionate about Android and all things mobile!

Severn Everett, currently employed as a backend developer at Apiumhub, has spent more than a decade in the software engineering industry and has worked in software development companies in the United States, India, Germany, the Netherlands, and Spain. His tech stack repertoire has also varied considerably with the years, with experience in projects that used Java, Kotlin, C++, Python, Ruby, and Go. However, the JVM and Spring Boot ecosystems remain the domains in which he retains the most knowledge and interest.

Roy is an entrepreneur, speaker and author from The Netherlands and, in his own words, 'wants to make the world a better place through tech'. He has been giving talks and trainings to developers worldwide on technologies like GraphQL, React and TypeScript. Most recently he wrote the book Fullstack GraphQL.

Sanne is what you would call an enthusiastic and results-oriented mobile developer. She is a true all-rounder who can develop cross-platform using KMM, native iOS and native Android. She always takes a critical look at the chosen architectures and solutions. She is passionate about her profession and enjoys thinking about further developments, choosing the right technology for the customer and figuring out how to improve development speed when scrum is slowing it down. Critically thinking along in how the process can be accelerated is something she is always working on. Her agile mindset, enthusiasm and analytical skills make her indispensable [...]

As Technical Evangelist @ AWS, Seb is inspiring builders to unlock the value of the AWS cloud, using his secret blend of passion, enthusiasm, customer advocacy, curiosity and creativity. Sébastien worked for the last 20+ years with large enterprises and startups alike to help them to transform their business requirements into technical solutions, to unlock the value of software, mobile applications and to scale systems to meet customer demand. Before joining the Evangelist team, he built & lead the AWS Technical Training team in EMEA, then he built & lead the Alexa Solution Architecture team in UK, France, Italy and [...]

Robert is an engineer who gets a kick out of starting, building mobile apps and backends for companies that have or want to have a large user base. Works in an agile and lean way to validate and improve future products with users and customers. Conducting research and analysis in order to come up with solutions to business problems and help to introduce these into the organisation.

Rob Allen is a software developer with many years experience in a variety of interesting languages. He's particularly interested in APIs and the ecosystem around them along and contributes to Slim Framework, rst2pdf & Apache OpenWhisk along with other open source projects. Rob is a published author and based in the UK where he runs Nineteen Feet Limited, focussing on API consultancy and development. In his spare time, Rob blogs at [akrabat.com](https://akrabat.com) and can often be seen with a camera in his hand.

As a developer I've always been more interested in the process rather than the outcome. I'm intrigued by team dynamics, communication and agile coding. I've worked in small and large teams and explored many different aspects of software development. As CTO of WeDevelop I aim to create the best possible landscape for software development, helping people thrive and develop stories that matter.

Rens van der Vorst teaches, writes and researches our relationship with technology. He writes funny and bestselling books on technology and offers a combination of stand-up and conten as a keynote speaker. His newest book is called Digital Gremlins! Rens searches answers on questions like: Does technology make our lives better? And, what is exactly meant by better? Rens van der Vorst is leading a research - project into a free online tool that helps people think about the impact of technology (www.tict.io), designed various card & boardgames and created www.ceptcha.com an alternative for the inhumane CAPTCHA.

As a senior developer advocate on the Firebase team at Google, Peter Friese is dedicated to helping developers build amazing experiences and high-quality apps using Firebase on iOS, Android, and the web. With a passion for empowering developers and fostering innovation, Peter works tirelessly with the Firebase team to make his vision of "cutting short the time to magic" a reality. Peter is also the author of the book Asynchronous Programming with SwiftUI and Combine: Functional Programming to Build UIs on Apple Platforms and host of the YouTube show Better Safe than Sorry, which explores best practices for building secure [...]

Odin started working on Android as a hobby when he was is high school, and got his first job as a Software Engineer after University. At the moment he enjoys working at DNB Bank as an Android Software Engineer where he works on the most popular finance app in Norway. If he has time, he likes to contribute to open-source projects in relation to Jetpack Compose.

So far talked at two Docker Community All Hands and a few local meetups. Was awarded the Docker Community Leader award in September 2022. Started programming with C at the age of 13 (2004). Studied Pure Mathematics from 2009 to 2013 (BSc), researched Logic (MSc) until 2015, and worked as a Software Engineer at CafeBazaar (Iran's Google) at the same time. Moved to Geneva to research in Geometry and Physics (2016), then to Germany to study Computer Science, to Amsterdam to work at PicNic, and then back to Germany to work at AppTec GmbH. Now working at Jodel.

Mohit Sharma is working as a Developer Advocate at MongoDB, helping developers architect clean and testable app’s. He has been working with Android for more than 10 years, since Android 2.2, previously with OLX group and believes that sharing knowledge is the best way of learning something new.

Software engineer with over 25 years experience, including 18 on Apple platforms. Known for his groundbreaking presentations and community organizing, Mike also happens to be one of the best debuggers on the planet.

Mo is the Head of Mobile and a Lead Developer at Theodo UK, having worked on several projects with startups and established enterprises to create cross-platform mobile application in React Native. He's passionate about React Native, MobileDevOps, and pushing the boundaries of combining code across web and mobile. Before joining Theodo, Mo was a full-stack developer at Nasdaq. He is a graduate from the University of Edinburgh.

Matthijs Klaver is a creative strategist at Move Agency with a passion for apps. With 7 years of experience and a background in design, he shifted into his strategic role in 2021 and is now dedicated to helping clients get the most out of their apps by considering end-users, market trends, business goals, and technology. Matthijs is always on top of the latest trends and developments, and he loves thinking outside the box to come up with solid strategies that help clients move forward. With his design background, Matthijs always looks at things from a creative perspective, resulting in visually [...]

Lead Integration Architect at BlueRush, Inventor and UX/architecture Lead Consultant. 26 years of experience in the industry. Product Director at Bciti Principal UX prototype developer for Google / Motorola / Nokia / Amazon during the smartphone development age (2007 to 2011) Founder of TasteFilter (start up attempt) .. and so on ;)

Michiel Rook is a very experienced, passionate and pragmatic freelance IT consultant from the Netherlands. Working as a coach, software developer & architect, and a strong leader, he considers it his mission to help companies significantly improve their software quality and delivery process. Currently, he focuses on adopting Continuous Delivery & DevOps principles, culture and tooling, legacy software transformations, and cloud migrations. Michiel is a regular speaker at (international) conferences and events.

Marc is a Sr Developer Advocate at Diagrid with a strong focus on event-driven architectures in the Azure cloud. He loves helping developers to achieve more every day. You might have seen Marc at a developer meetup or conference since he's a regular speaker in the area of Azure cloud & serverless technologies. He started Azure Functions University, a free and open source learning curriculum on GitHub, where everyone can learn about Azure Functions at their own pace. From 2019 to 2023 Marc received the Microsoft Azure MVP award for his community contributions. In his spare time, Marc likes to [...]

Marco is a back-end software developer with experience in design, development and testing high scalability and distributed cloud applications. He loves to use his expertise in software development to help others solve problems and create solutions. He has contributed to a number of open source projects and is an active member of the open source community

I am an experienced Software Engineer with a demonstrated history of working in the information technology and services industry. While at university, I excelled as a student and used my skills to serve as a mentor to others. In my second year there, I began working as Software Engineer and continued my professional path in various IT companies. In 2018, I have started diving deeper into cross-platform development, more specifically - Flutter. That also marks the beginning of my technical Flutter-related blog on Medium as well as participation in various GDG meetups, conferences such as DartUP or Flutter Global Summit. [...]

Mobile dev since Cupcake. Android GDE. Kotlin enthusiast. Dogs make me happy.

If I say 'Use', you say 'the Platform' ! Together with his fellow front end developers, Maarten raises iO's HTML, JavaScript and CSS bar to a whole new level. With tools such as Vue.js, Nuxt.js and OpenAPI and many others in his proverbial tool belt, he builds modern web projects that excel in speed and usability. Next to grinding keys, he's also a passionate tattler about how Open Source software should get more recognition, as it is the cornerstone of our current-day digital society.

Lorna is a technology leader, published author, and expert open-source engineer hailing from Yorkshire. She boasts a solid background in software engineering, developer relations, cloud data technology and APIs, and her passion is in improving developer experiences in these areas. Discover more about Lorna on her website https://lornajane.net

Lena is an Android developer with curiosity for iOS. She got interested in mobile development during her computer science degree at TU Dresden and has been creating Android apps ever since. She is currently inspired by Kotlin Multiplatform Mobile and enjoys sharing her experience with it.

 When she's not programming, Lena loves going on adventures, hiking around Europe, surfing, skiing, freediving and regaining strength with the best local cuisine she can find.

Software Engineer at Google Firebase. Currently maintaining Firebase Admin SDKs on Node.js, Python, Java, Go, and .NET.

Joseph Katsioloudes and his team at the GitHub Security Lab work at the forefront of Open Source Security that they shape every day through research and education. Joseph chose this career path because from a very young age, security was his own way to provide ethical and dedicated service to organisations and the society as a whole. He holds two engineering degrees, a Bachelors of Engineering in Computing from Imperial College London and a Masters in Cyber Security Engineering from the University of Warwick. His most recent contributions include video content made specifically for software developers interested in growing their [...]

I am an iOS developer for more than 7 years. For the last 5 years I have been working for XM, where my main focus is to deliver secure features without complicating the user. In addition, emphasising on creating documentation and knowledge sharing for team growth is something that I enjoy a lot.

Game designer and Flutter developer.

Joost van Dijk is a developer advocate at Yubico. He focuses on securing digital identities and accelerating the adoption of open source authentication standards as part of Yubico's developer program.

Jos is a designer at Move with a passion for creating clear, clean and pixel-perfect user interfaces. With over 10 years of experience in the industry, Jos has honed his skills in creating intuitive and effective designs for a broad range of clients. He is dedicated to staying up-to-date with the latest design trends and technologies, and is always looking for new ways to work better and smarter.

Sharing the Seattle pandemic lifestyle with his wife, daughter, and their four cats, Jeff Watkins spends his time coaching folks through career & life transitions, mentoring developers, killing robot dinosaurs, and looking forward to the day he can go back to teaching public speaking workshops. Jeff has been building software for more than three decades and is currently an engineering manager for ClassPass. He is a ten year veteran of Apple and has 13 years of iOS development experience. He’s worked on core iOS frameworks and apps delivered via the App Store. It’s not his fault Game Center had either [...]

Solutions Architect @ AWS, Jerome is also organiser of the Geneva Serverless Meetup. After years of development (mainly backends & APIs), Lambda and serverless in general was a revelation. Now Jerome is helping his customers in their journey to the cloud, with a focus on modern applications and serverless.

Jan Jaap has been developing (accessible) apps for 10 years. Since 2018, Jan Jaap has specialized in making apps accessible by supporting accessibility features and assistive technologies. He was the lead accessibility developer for the Dutch COVID-19 apps, which resulted in the first fully accessible government apps in The Netherlands.

I am a passionate and enthusiastic software engineer who loves to create solutions which are actively used by users to solve real problems. In 2001 I started to create software professionally. Since 2012 I have been designing and implementing back-end and mobile applications for organizations with user bases of several hundred of thousands to millions of users. From high performance back-end systems which run on AWS to native Android apps for consumers. I like a challenge and continuously keep my knowledge up to date and share it with great enthusiasm to the public and with my team. To keep my [...]

Giorgi is a software developer with more than a decade of experience. He works mainly with C#, ASP.NET Core, REST, GraphQL, WCF, Xamarin, Android, iOS, Entity Framework, AWS, Azure, SQL Server, and Oracle. Giorgi is an open-source author and contributor on GitHub and a member of the .NET Foundation.

Hidde is an Indie App Developer based in Manchester. After working as a Digital Product designer for over a decade, he switched to working full-time on his apps for all Apple platforms. A deep background in design helps him build apps focusing on quality and great simplicity. Creator of Petey, Gola, Volo, NowPlaying and more

Gijs van Veen is a Senior Developer for Splendo Health, a digital health company based in The Netherlands and USA. He has worked on apps from Takeaway.com, Tacx, Jedlix, X.Bike, and currently the Splendo Health apps. He is a lead architect for Kaluga, an Open-Sourced Kotlin Multiplatform Framework aiming to simplify KMP development for mobile developers.

Gerald Versluis is a Senior Software Engineer at Microsoft working on .NET MAUI. Since 2009 Gerald has been working on a variety of projects, ranging from frontend to backend and anything in between that involve Azure, ASP.NET and all kinds of other .NET technologies. At some point he fell in love with cross-platform and mobile development with Xamarin. Since then he has been an active community member, writing, tweeting and presenting about all things tech. Gerald can be found on Twitter @jfversluis, blogging at https://blog.verslu.is or liking and subscribing on his YouTube channel: https://youtube.com/GeraldVersluis

iOS Engineer, everything-swift lover and design enthusiast | I go by `TheInkedEngineer`, for obvious reasons.

Spent 10 years at Google first as a business technology consultant and then as a manager of teams across Northern Europe, advising the world's biggest brands how to maximise the potential of cloud, SaaS and Big Data. Joined Bitrise early in 2022 to help mobile organisations elevate their CI/CD, saving them time and money, so they can focus on increasing the impact of their apps to make the world a better place.

Filip Babic is a senior Android developer from Croatia, and a Google Developer Expert for Android & Kotlin. He's currently working on building awesome things with Jetpack Compose, teaching people about topics in Android and Kotlin and sharing his knowledge in various types of community engagement. Altruistic when it comes to consulting and mentoring, trying to give help to everyone, whenever possible, motivated by the ideology that the Android ecosystem we live in is only as good as we make it. Writing a large number of articles, tutorials, and guides, both through self-publication on Medium and through the RayWenderlich team. [...]

Fatih has studied Computer Engineering in his bachelor's degree. He got his master's degree in "Natural Language Processing" and he was a research assistant for 2 years. After that, he started working as a freelance mobile developer for 2 years. He joined DNB Bank as a Senior Android Developer and now he is an Android Lead in DNB Bank for Norway's top used finance app "Mobilbank" and the savings app "Spare".

Evgeniya is a Data Evangelist at Toloka AI, a global tech company that offers a unified environment to support data-related processes across the entire machine learning lifecycle. Evgeniya’s background is in Artificial Intelligence & Data Engineering, with a broad range of experience as a developer analyst, machine learning engineer, solution architect, and business analyst. She’s currently working on her master’s degree at The Technical University of Munich.

Eliza is an Android developer advocate at Amity, and a Google Developer Expert on the Google Assistant and conversational AI. She has been involved in the tech communities since 2013 as a volunteer, organizer, lead, and a speaker. In her spare time, she loves traveling, reading, doing puzzles, board games, and long walks with her dog.

Freelance Android and Flutter Developer working on projects like ING banking, Schiphol, SnappCar and Karify. As the resident geek at home I do the occasional web development/server admin for Betty’s Kitchen a food blog which is run by my wife with over a 1300 post and around 100/150k visitors per month.

I am 22 years old and working for four years as an iOS developer. I started my career in 2019 at Sportradar after learning to program on my own during high school. In October 2021, I joined Jumio and started to work on their identity verification SDK. Besides working as an iOS developer, I am currently doing my Master's degree at the TU Vienna in Logics and Computation.

Duco is a mobile developer and enthusiastic maker who has spent the past years building apps for companies and government organisations. As a special agent (thought leader) at Team Rockstars IT in the Netherlands, he advises clients, speaks at conferences, and writes articles in the field of (mobile) software engineering.

I am a passionate, iOS developer that loves learning and sharing knowledge. I started doing iOS roughly when Swift was announced and immediately fell in love with it. I wrote three books on iOS development for a publisher, and self-published books on Combine and Core Data.