Google Developer Expert for Android with 11+ years of experience, currently consulting for Deutsche Bahn Systel. He's worked for other well-known companies such as Check24, Liferando, AutoScout24, and Hermes Germany.

He is a passionate advocate for software testing and has authored numerous blog posts on the matter.

He has also contributed to open-source libraries on Android UI testing like KasperskyLab/Kaspresso and authored others, like Android Screenshot Testing Playground, which won a Google Open Source Peer Bonus award in 2024.

When not coding, he enjoys playing sports like football, running, rollerblading or snowboarding in the mountains.

He 
loves challenges and making things happen.


Google Developer Expert for Android with 11+ years of experience, currently consulting for Deutsche Bahn Systel. He's worked for other well-known companies such as Check24, Liferando, AutoScout24, and Hermes Germany. He is a passionate advocate fo... Show more

Anna Leushchenko is a Google Developer Expert in Dart and Flutter, and a Senior Staff Engineer / Engineering Manager at UK-based fintech company Tide. With over a decade in mobile development, she leads cross-functional teams, delivers scalable mobile solutions, drives engineering excellence, and shares her expertise at global tech conferences.

Anna Leushchenko is a Google Developer Expert in Dart and Flutter, and a Senior Staff Engineer / Engineering Manager at UK-based fintech company Tide. With over a decade in mobile development, she leads cross-functional teams, delivers scalable mobil... Show more

Maxim Salnikov is a tech and cloud community enthusiast based in Oslo. With over two decades of experience as a web developer, he shares his extensive knowledge of the web platform, cloud computing, and AI by speaking at and providing training for developer events worldwide. By day, Maxim plays a crucial role in supporting the development of cloud and AI solutions within European companies, serving as the Senior Solution Engineer at Microsoft focusing on the AI-native developer tools & platforms. During evenings, he can be found running events for Norway's largest web and cloud development communities. Maxim is passionate about exploring and experimenting with Generative AI possibilities, including AI-assisted development. To share his insights and connect with like-minded professionals globally, he founded and organized the inaugural Prompt Engineering Conference, the first of its kind on a global scale.

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Invite me to speak at your event using this form: http://bit.ly/maxim-salnikov-speaker-request

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Some recordings of my talks:
https://bit.ly/maxim-salnikov-speaker-youtube
https://bit.ly/maxim-salnikov-speaker-vimeo

Photo:
https://1drv.ms/u/s!Avpv7Yyu9iPQgbQBC3apUEc5RQlXJg?e=7pxwjF

Maxim Salnikov is a tech and cloud community enthusiast based in Oslo. With over two decades of experience as a web developer, he shares his extensive knowledge of the web platform, cloud computing, and AI by speaking at and providing training for de... Show more

With over a decade in the Android world, I’ve lived the fast-paced startup life in California before returning to France. Today, I’m leading and managing the Android team at Aircall, where we're building the best phone system for modern businesses.

Beyond Android, I’m passionate about backend development with Kotlin and exploring the possibilities of AR/VR. In 2021, I was honored to become an Android GDE—continuing my mission to share knowledge and grow alongside the amazing Android community.

Outside of work, you’ll find me traveling the globe or on the hunt for the perfect IPA.

With over a decade in the Android world, I’ve lived the fast-paced startup life in California before returning to France. Today, I’m leading and managing the Android team at Aircall, where we're building the best phone system for modern businesses. ... Show more

Vadym is a seasoned mobile app developer with over 8 years of experience in Android and more than 4 years in cross-platform development using Flutter. He has worked with industry leaders such as Samsung, Volvo, Instagram, and Sky, as well as numerous startups, delivering high-quality mobile solutions across diverse sectors.

In 2025, Vadym was recognized as a Google Developer Expert (GDE) in Flutter & Dart, acknowledging his deep expertise and active contributions to the community.

As a speaker, Vadym has shared his insights at local meetups, DevFests, and major international conferences including Droidcon, Fluttercon, FlutterHeroes, and Appdevcon. He also actively supports community events as an MC and stage manager, bringing energy to the stage and ensuring smooth experiences at conferences.

Passionate about developer education, Vadym is dedicated to mentoring others and supporting growth across the tech community.

Vadym is a seasoned mobile app developer with over 8 years of experience in Android and more than 4 years in cross-platform development using Flutter. He has worked with industry leaders such as Samsung, Volvo, Instagram, and Sky, as well as numerous... Show more

Rowdy Rabouw is a Google Developer Expert in Web Technologies with over 25 years of experience in HTML, CSS and JavaScript. Currently, he works as a Front-End-Focused Senior DevOps Engineer on Vue, Node and NestJS projects, paying special attention to usability and accessibility. Rowdy loves his electronic drum kit and dabbles in creating music on his laptop.

Rowdy Rabouw is a Google Developer Expert in Web Technologies with over 25 years of experience in HTML, CSS and JavaScript. Currently, he works as a Front-End-Focused Senior DevOps Engineer on Vue, Node and NestJS projects, paying special attention t... Show more

Eeva-Jonna, or Eevis, is an accessibility specialist and senior Android developer. She is also Android GDE. Her passion is to share knowledge, and she speaks and writes a blog. When she is not doing that, she explores the beautiful Finnish nature either by foot or kayak.

Eeva-Jonna, or Eevis, is an accessibility specialist and senior Android developer. She is also Android GDE. Her passion is to share knowledge, and she speaks and writes a blog. When she is not doing that, she explores the beautiful Finnish nature eit... Show more

Hi, I’m Grace!

I’m passionate about building impactful products. I graduated from Western University with a degree in Computer Science. Previously, I interned at Microsoft, Datadog, GoDaddy, Ontario Teachers' Pension Plan, Scotiabank and Loblaw.

I was recognized as one of the Top 50 MLH Hackers globally, winning 14+ hackathon awards. Alongside projects, I like to build community. As a GitHub Campus Expert and Google Developer Student Club Lead, I grew communities to 1000+ members. I organize events and mentor with organizations that advance social impact, including AnitaB and Women techmakers.

Hi, I’m Grace! I’m passionate about building impactful products. I graduated from Western University with a degree in Computer Science. Previously, I interned at Microsoft, Datadog, GoDaddy, Ontario Teachers' Pension Plan, Scotiabank and Loblaw. ... Show more

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.

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... Show more

Ryan Edge is a software engineer and Flutter GDE living in Charlotte, North Carolina. His primary focus is front-end mobile and web development using Flutter and React. His secondary focus is back-end development with technologies including Node.js, GraphQL, Vercel, Supabase, and Firebase. He is a co-author of the "Cross-Platform UIs with Flutter" book.

Ryan Edge has 10+ years of experience ranging from maintaining large-scale systems to developing internal and commercial web, mobile, and desktop applications using various technologies.

Ryan Edge is a community organizer of Flutter Charlotte and GDG Charlotte. He is passionate about creating software that has a tangible positive impact on the lives of its users, furthering diversity in the developer community, and mentoring young software engineers.

Ryan Edge is a software engineer and Flutter GDE living in Charlotte, North Carolina. His primary focus is front-end mobile and web development using Flutter and React. His secondary focus is back-end development with technologies including Node.js,... Show more

As a Senior Frontend Engineer, I lead two developer communities in Rome: GDG Roma Città and Angular Roma. I am passionate about contributing to the tech community as a writer and speaker.

Specializing in Angular, I also have extensive experience in mobile and desktop app development using Capacitor and Electron. Over the years, I’ve built high-performing applications leveraging technologies like Nx, NgRx, and NGXS.

Outside of work, I love playing board games or practicing archery. I’m also a fan of escape rooms and enjoy creating funny memes.

As a Senior Frontend Engineer, I lead two developer communities in Rome: GDG Roma Città and Angular Roma. I am passionate about contributing to the tech community as a writer and speaker. Specializing in Angular, I also have extensive experience i... Show more

A former Java developer that saw the light and embraced Clippy as his digital overlord.
Over two decades in the front-end field has taught Lucien how we often reinvent the wheel to accommodate new shiny frameworks.
Now, as a Principal Consultant, his mission is to discover elegant solutions for his clients. While we’ve moved beyond Flash and jQuery, the web platform technologies: HTML, CSS, and JavaScript remain essential. Rather than battling the platform, let’s embrace it.
Lucien is a rewarded Google Developer Expert for Web Technologies and capabilities since 2022.

A former Java developer that saw the light and embraced Clippy as his digital overlord. Over two decades in the front-end field has taught Lucien how we often reinvent the wheel to accommodate new shiny frameworks. Now, as a Principal Consultant, h... Show more

Leo Farias is an interactive designer turned coder and entrepreneur with a unique perspective on human-computer interaction. His current focus is leading Bitwild, an innovations lab at Concepta Technologies, where he drives forward-thinking solutions at the intersection of design and technology. His background in design fuels his passion for UX and unified UI approaches, particularly in the Flutter ecosystem where he serves as a Google Developer Expert (GDE).

Leo Farias is an interactive designer turned coder and entrepreneur with a unique perspective on human-computer interaction. His current focus is leading Bitwild, an innovations lab at Concepta Technologies, where he drives forward-thinking solutions... Show more

Sagar is a Staff Android Engineer who has been building apps for 11 years now. He is also a Google developer expert in Android and a co-organizer for Google Developer Groups at Boston and enjoys educating for the mobile dev community.

Sagar is a Staff Android Engineer who has been building apps for 11 years now. He is also a Google developer expert in Android and a co-organizer for Google Developer Groups at Boston and enjoys educating for the mobile dev community. Show more

Rivu Chakraborty is an Android GDE (Google Developer Expert) and India's first Kotlin GDE, a community person, & one of the early adopters of Kotlin. With overall 13+ years of experience, he works at JioHotstar / JioCinema (India's biggest OTT platform) as Mobile Architect. He previously used to work at Meesho (a promising unicorn E-Commerce Startup from India), Gojek (one of South-East Asia's biggest startups), Paytm (India's biggest Fintech startup), and Byju's (one of India's biggest Edtech startup).

He has contributed to multiple Kotlin and Android Development books including authoring Reactive Programming in Kotlin, co-authoring Functional Kotlin the first-ever book to help Kotlin developers learn Functional Programming and use Arrow-kt in their projects, and co-authoring Hands-On Data Structures and Algorithms with Kotlin.

He has been using Kotlin since December 2015. Rivu formed KotlinKolkata User Group, the first active Kotlin User Group in India. Before he had to move out of Kolkata, he was organizing meetups and events for both KotlinKolkata and GDG Kolkata. Along with organizing community & events, he also speaks at events/conferences and local meetups.

Rivu Chakraborty is an Android GDE (Google Developer Expert) and India's first Kotlin GDE, a community person, & one of the early adopters of Kotlin. With overall 13+ years of experience, he works at JioHotstar / JioCinema (India's biggest OTT platfo... Show more

Sasha is a software developer with over 20 years in multiple technologies and domains. A tech lead, architect, and mobile solutions expert, he specializes in AI integrations for mobile apps, focusing on on-device AI. He excels in Flutter, Firebase, and generative AI for robust, scalable apps. Sasha is Chief Software Engineer and Head of Flutter Discipline at EPAM, GDE for AI, Firebase, Flutter, Dart, and co-organizes Flutter Berlin Community

Sasha is a software developer with over 20 years in multiple technologies and domains. A tech lead, architect, and mobile solutions expert, he specializes in AI integrations for mobile apps, focusing on on-device AI. He excels in Flutter, Firebase, a... Show more

Carlos is Frontend Software Engineer, Associate Professor at Universidad Europea, and Developer Content Creator, from Madrid, Spain.

GDE in Web since 2019. Awarded as Microsoft MVP 2022 & 2023 for Developer Technologies.

He loves sharing knowledge with the Spanish-spoken developer community, mainly online through Twitch and Youtube, and other social networks.

He has worked for over 10+ years in start-ups, cofounded his own one, and for companies such as Google, IBM, and Eventbrite.

Carlos is Frontend Software Engineer, Associate Professor at Universidad Europea, and Developer Content Creator, from Madrid, Spain. GDE in Web since 2019. Awarded as Microsoft MVP 2022 & 2023 for Developer Technologies. He loves sharing knowle... Show more

I am a Solutions Architect at Online Partner AB and a Cloud GDE. I have worked on several projects involving Google Cloud services and Google Workspace along with multiple other technology stacks and platforms.

I am a Solutions Architect at Online Partner AB and a Cloud GDE. I have worked on several projects involving Google Cloud services and Google Workspace along with multiple other technology stacks and platforms. Show more

Geshan is a seasoned software engineer with over 17 years of software engineering experience. Currently, he serves Simply Wall St. as a senior software engineer in Sydney, Australia. He is a language-agnostic software engineer who believes the value provided to the business is more important than the choice of language or framework. With a keen interest in REST architecture, microservices, agile software engineering, and serverless, he has spoken at tech conferences in the Middle East, Europe, the United States, and Australia. He is actively involved with the developer community and is a Google Developer Expert (GDE) for the Google Cloud Platform (GCP). He is a Docker Captain, too. Blogging since 2007, he has a well-maintained tech blog, where he shares his views and ideas.

Geshan is a seasoned software engineer with over 17 years of software engineering experience. Currently, he serves Simply Wall St. as a senior software engineer in Sydney, Australia. He is a language-agnostic software engineer who believes the value ... Show more

Google Developer Expert for Android and Kotlin, enthusiastic public speaker, senior engineer, Kotlin aficionado, Multiplatform manipulator, prolific facilitator of cute cat photographs, spends more time travelling than working (he/him)

Google Developer Expert for Android and Kotlin, enthusiastic public speaker, senior engineer, Kotlin aficionado, Multiplatform manipulator, prolific facilitator of cute cat photographs, spends more time travelling than working (he/him) Show more

Patty is a Venezuelan living in Scotland. She has +20 years of experience in the tech industry and a background education in Computer Science and Artificial Intelligence. She is a Technical Director and Head of AI Architecture and Engineering Group at Charles River Laboratories.

Patty is a member of the Google Developer Advisory Board, an organiser at Google Developers Group Glasgow, serves as an Ambassador for Google's Women Techmakers, and is recognised as a Google Developer Expert (GDE) in Artificial Intelligence.

Patty is a Venezuelan living in Scotland. She has +20 years of experience in the tech industry and a background education in Computer Science and Artificial Intelligence. She is a Technical Director and Head of AI Architecture and Engineering Group a... Show more

Xavier was born in Valencia, but currently living in Madrid. He has +10 years of experience. He focuses on Cloud, Kubernetes, DevOps, Q&A, microservices, Generative AI & Conversational AI and mentoring startups thanks to the Google & Microsoft For Startups Program. He is an organizer of GDG Madrid, DevopsDays Madrid and the Alexa community in Spanish. In his spare time, he enjoys music, beer, and friends. Author of the book "The Alexa Revolution". He has been recognized as a Microsoft MVP, GitHub Star, AWS Alexa Champion & CB, and Google Developer Expert in AI.

Xavier was born in Valencia, but currently living in Madrid. He has +10 years of experience. He focuses on Cloud, Kubernetes, DevOps, Q&A, microservices, Generative AI & Conversational AI and mentoring startups thanks to the Google & Microsoft For St... Show more

Flutter GDE 💙 Co-founder BBapps - apps that care for you and the planet 🌍🫶🏽 Author “Flutter Design Patterns and Best Practices” 📚 Flutterista 💜 WTM 💚 I also love to read 📖, dance 💃🏽, travel ✈ and learn languages 🇪🇸 Mother of Cats 😻

Flutter GDE 💙 Co-founder BBapps - apps that care for you and the planet 🌍🫶🏽 Author “Flutter Design Patterns and Best Practices” 📚 Flutterista 💜 WTM 💚 I also love to read 📖, dance 💃🏽, travel ✈ and learn languages 🇪🇸 Mother of Cats 😻 Show more

Ethiel Adiassa is a seasoned Software Engineer and Google Developer Expert specializing in Flutter and Dart. Creator of FlutterGigs—a platform that connects Flutter developers with forward‑looking companies. A sought‑after speaker at international tech conferences, Ethiel advocates for clean architecture, pragmatic design patterns, and seamless CI/CD pipelines. Committed to peak performance both in code and in life, Ethiel trains four to five times weekly to optimize strength and endurance. His mission: to empower developers worldwide with intuitive tools, AI‑enhanced learning experiences, and next‑generation mobile solutions.

Ethiel Adiassa is a seasoned Software Engineer and Google Developer Expert specializing in Flutter and Dart. Creator of FlutterGigs—a platform that connects Flutter developers with forward‑looking companies. A sought‑after speaker at international te... Show more

Ramona is a developer advocate and software engineer with roots in quality assurance. She owns both views of the product - that of a tester and a developer. Ramona primarily uses this to strengthen trust in test automation and support the testers and developers alike, becoming a Google Developer Expert in Web Technologies, Women Techmaker Ambassador, and Cypress ambassador.

Ramona is a developer advocate and software engineer with roots in quality assurance. She owns both views of the product - that of a tester and a developer. Ramona primarily uses this to strengthen trust in test automation and support the testers and... Show more

Jemima Abu is a self-taught front-end developer, Google Developer Expert, Microsoft MVP, and Certified Professional in Accessibility Core Competencies. She is passionate about diversity in technology and accessibility in web development.

Jemima Abu is a self-taught front-end developer, Google Developer Expert, Microsoft MVP, and Certified Professional in Accessibility Core Competencies. She is passionate about diversity in technology and accessibility in web development. Show more

Michael is a technology leader with over 30 years experience in software development, working alongside more than 100 companies during his career to build human-centered solutions. As an international and keynote speaker he has spoken on every continent covering a wide range of technology topics including Serverless Architecture, Accessibility, and User Experience. Michael is the author of Programming Languages ABC++, Approachable Accessibility, and Architecting CSS, and is honored to have been recognized as a Google Developer Expert and Microsoft MVP.

Michael is a technology leader with over 30 years experience in software development, working alongside more than 100 companies during his career to build human-centered solutions. As an international and keynote speaker he has spoken on every contin... Show more

I'm a Google Developer Expert in Android, available either as a freelancer or through Apptaura, the mobile app development agency I co-founded. I build great apps for people, helping them to build great app businesses. I have a commercial focus and a wide knowledge of many technologies (both back- and front-end).

I'm a regular conference speaker on topics related to Android, and app startups more generally. I also provide mentorship to those looking to start app businesses.

I have a proven entrepreneurial capability and enjoy the energy of startup culture.

I'm a Google Developer Expert in Android, available either as a freelancer or through Apptaura, the mobile app development agency I co-founded. I build great apps for people, helping them to build great app businesses. I have a commercial focus and a... Show more

Although living on a tropical island, Jochen Kirstätter is a business owner and entrepreneur in different industry sectors. Mainly operating in the development of tailor-made software solutions since more than 20 years, he is also venturing into the world of cloud computing. You can either meet him at the regular meetups of the Mauritius Software Craftsmanship Community or reach him on X and Mastodon: @JKirstaetter.

Jochen is a Google Developer Expert (GDE) for Google Cloud and a Microsoft Most Valuable Programmer (MVP) for Developer Technologies for several years. He founded the now largest IT community in Mauritius, and organises the annual Developers Conference. Following his interest in cross-platform technologies he is also an organiser of the Google Developer Group (GDG) Mauritius.

Although living on a tropical island, Jochen Kirstätter is a business owner and entrepreneur in different industry sectors. Mainly operating in the development of tailor-made software solutions since more than 20 years, he is also venturing into the ... Show more

Ed Holloway-George is an Android Developer and Google Developer Expert originally from Oxford, UK but now currently residing in Nottingham, UK.

An Android developer for over 10 years; Ed now works for ASOS as a Lead Developer having previously worked on well-known applications such as National Trust, My Oxfam, Snoop, Carling Tap and many more.

In his spare time, Ed can be found playing trading card games and posting pictures of his dog.

Ed Holloway-George is an Android Developer and Google Developer Expert originally from Oxford, UK but now currently residing in Nottingham, UK. An Android developer for over 10 years; Ed now works for ASOS as a Lead Developer having previously wor... Show more