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

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

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

Mario is from a small village in Germany and working for Kubermatic. He studied creative media at an English university and moved his field of knowledge to Cloud Native Infrastructure. He is working as a Customer Delivery Architect with the focus on planning and building concepts and architecture for Infrastructure in the Cloud native world. He started the Google Developer Group for Cloud in Munich back in 2016 and became a Cloud Google Developer Expert in 2019. His passion is always to move the cloud native community one step forward.

Mario is from a small village in Germany and working for Kubermatic. He studied creative media at an English university and moved his field of knowledge to Cloud Native Infrastructure. He is working as a Customer Delivery Architect with the focus on ... Show more

Ines Akrap is a Frontend Engineer, Google Developer Expert, and co-author of Building the Sustainable Web. She is a Solutions Engineer at Storyblok and co-chairs the W3C Sustainable Web Interest Group, where she helps shape global guidelines for a more resilient internet.

She focuses on helping developers build systems that work in the real world, balancing performance, accessibility, and long-term impact. Her work explores the decisions behind the code. What we choose to build, what we choose to leave out, and how those choices shape the web we leave behind.

When not at her laptop, she is practicing real-world constraints with two small humans.

Ines Akrap is a Frontend Engineer, Google Developer Expert, and co-author of Building the Sustainable Web. She is a Solutions Engineer at Storyblok and co-chairs the W3C Sustainable Web Interest Group, where she helps shape global guidelines for a mo... Show more

Salih is a Senior Developer Advocate at AWS with a strong focus on frontend and mobile app development, developer experience, and serverless architecture. With a background in building scalable mobile and web interfaces, he brings hands-on expertise to developer communities around the world. He’s passionate about creating intuitive developer tools and open source projects, often blending frontend craft with cloud infrastructure. Outside of work, Salih is a dedicated runner, comic book enthusiast, and a dad who balances code, curiosity, and creativity—always exploring new skills, from making music to architecture.

Salih is a Senior Developer Advocate at AWS with a strong focus on frontend and mobile app development, developer experience, and serverless architecture. With a background in building scalable mobile and web interfaces, he brings hands-on expertise ... 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

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 is currently running Mobrio Studio (https://mobrio.studio).

He has previously worked with the biggest organisations from India and South-East-Asia, his last stint was working at JioHotstar / JioCinema (India's biggest OTT+Streaming platform) as Mobile Architect / Principal Engineer, he also previously worked at Meesho (a leading 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 is currently running Mobrio Studio (https://mobrio.studio).... 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

I operate at the intersection of bold vision and brilliant teams. As a Principal Cloud & AI Strategist and Fractional CTO, I partner with companies to architect future-proof cloud solutions and build the high-performing engineering teams needed to execute them.

With over a decade of hands-on experience in Digital Transformation, I specialize in Google Cloud Platform, Generative AI (Vertex AI), and complex multi-cloud architectures. I don't just talk theory, I have built Cloud Business Units from scratch and led mission-critical migrations in fast-paced sectors like Oil & Gas.
My philosophy is simple: an elite strategy is useless without an elite team to execute it, so I build the team first, knowing that the results will follow.
As a passionate advocate for open knowledge, I am a Google Cloud Authorized Trainer, a Google Developer Expert (GDE) for Cloud, and the Community Lead for GDG Campobasso.
Whether I am live-coding a Gen AI agent or sharing insights on the dynamics of engineering leadership, I bring energy, clarity, and deep real-world experience to the stage. I love connecting with people who are eager to challenge the status quo and push the boundaries of what technology can solve.

I operate at the intersection of bold vision and brilliant teams. As a Principal Cloud & AI Strategist and Fractional CTO, I partner with companies to architect future-proof cloud solutions and build the high-performing engineering teams needed to ex... 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

Katie is passionate about all things Android. She has taken on a wide variety of challenging projects including in the live event, media and travel space. Her favourite thing is to see someone having a delightful experience using something she has worked on. Katie is very active in the development community, she is a Google Developer Expert for Android, one of the organisers of GDG Melbourne and is a Women Techmakers Ambassador. She frequently runs events, speaks on technical and non-technical topics and enjoys writing blog posts to share her experience with others. Katie is based in Melbourne, Australia but loves to travel the world and outside of tech she enjoys boardgaming and attempting to finish many craft projects.

Katie is passionate about all things Android. She has taken on a wide variety of challenging projects including in the live event, media and travel space. Her favourite thing is to see someone having a delightful experience using something she has wo... 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

Geshan is a seasoned software engineer with over 17 years of software engineering experience. Currently, he serves as a Technical Lead at Safewill 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 as a Technical Lead at Safewill in Sydney, Australia. He is a language-agnostic software engineer who believes the value provided to th... Show more

Software Engineer specialized in building exceptional mobile experiences for the Android Platform. I am an adept of continuous learning and knowledge sharing. I'm actively contributing to the Android community through open source projects, content creation, public speaking, and mentoring.

Software Engineer specialized in building exceptional mobile experiences for the Android Platform. I am an adept of continuous learning and knowledge sharing. I'm actively contributing to the Android community through open source projects, content cr... Show more

After more than a decade focused on the Java desktop world, I've been in the Angular/JavaScript/TypeScript space since 2014.

As an Angular Google Developer Expert, I develop Angular projects and mentor junior Angular developers on my projects, and I used to be an instructor with Angular Boot Camp. Father of two, software developer, and world traveler (when I can sneak it in).

After more than a decade focused on the Java desktop world, I've been in the Angular/JavaScript/TypeScript space since 2014. As an Angular Google Developer Expert, I develop Angular projects and mentor junior Angular developers on my projects, and... Show more

Majd is a DevOps Manager at Beyond Limits and a Google Developer Expert for the Cloud. His area of expertise is Application Modernization with Cloud Computing. In addition to his expertise, he serves as a program mentor for Google for Startups Accelerator and an organizer for Google for Developers Amman.

Majd is a DevOps Manager at Beyond Limits and a Google Developer Expert for the Cloud. His area of expertise is Application Modernization with Cloud Computing. In addition to his expertise, he serves as a program mentor for Google for Startups Accele... Show more

Obum is a Google Developer Expert (GDE) in the Dart & Flutter category. He is also a Full-Stack Blockchain and Web developer with professional frontend, backend, and web3 experiences. He has written several articles on Flutter in various publications and volunteers in tech communities.

Obum is a Google Developer Expert (GDE) in the Dart & Flutter category. He is also a Full-Stack Blockchain and Web developer with professional frontend, backend, and web3 experiences. He has written several articles on Flutter in various publications... Show more

Kyle Paul is a Program Manager at Google, where he builds and scales programs to support Core Engineering Communities and Experts. With a background as a startup co-founder, Google Developer Expert (GDE), and GDG Kansas City organizer, Kyle brings a wealth of experience in technology and community leadership. He's passionate about web development, open-source contributions, and sharing his knowledge through speaking engagements. He enjoys photography, woodworking, and spending time with his family (including his cats) in his free time.

Kyle Paul is a Program Manager at Google, where he builds and scales programs to support Core Engineering Communities and Experts. With a background as a startup co-founder, Google Developer Expert (GDE), and GDG Kansas City organizer, Kyle brings a ... Show more

Ashita is the creator of Flutter Gems (https://fluttergems.dev), a visual package discovery platform that has helped more than 2 million Flutter developers across the globe. She also co-created API Dash (https://github.com/foss42/apidash), an award winning open source AI powered cross-platform API client. She loves helping fellow developers, runs a FOSS developers community and has delivered more than 85+ talks on AI/ML and app development in reputed international conferences such as Cross-platform Mobile Development Summit, React India, Flutter Global Summit, Flutter Vikings, FlutterNinjas Tokyo, etc.

Full list of my past talks with video links - https://ashitaprasad.github.io

Ashita is the creator of Flutter Gems (https://fluttergems.dev), a visual package discovery platform that has helped more than 2 million Flutter developers across the globe. She also co-created API Dash (https://github.com/foss42/apidash), an award w... Show more

Alisa Duncan is a Principal Developer Advocate at Okta, a full-stack developer, content creator, conference speaker, and community builder who loves the thrill of learning new things. She is a Google Developer Expert in Angular and Identity, and a Pluralsight author. When not coding or volunteering, you can find her traveling, cooking, watching K-Dramas, and drinking a glass of wine.

Alisa Duncan is a Principal Developer Advocate at Okta, a full-stack developer, content creator, conference speaker, and community builder who loves the thrill of learning new things. She is a Google Developer Expert in Angular and Identity, and a Pl... Show more

Christian Weyer is Co-Founder and CTO of Thinktecture AG and a catalyst for new technologies with a strong focus on the practical implementation of Generative AI in modern software solutions. With 30 years of experience in software engineering, he advises ISVs and enterprises across industries on how to efficiently integrate LLMs and advanced AI technologies into real-world applications.
As a cross-vertical AI technology advisor, Christian bridges strategy and execution — helping organizations move Generative AI from theory into productive practice. He is a passionate international speaker, sharing hands-on insights at conferences and events worldwide.
Christian is a Microsoft MVP for AI and a Google Developer Expert (GDE) for Web AI, maintaining close relationships with the product teams in Redmond and Mountain View.

Christian Weyer is Co-Founder and CTO of Thinktecture AG and a catalyst for new technologies with a strong focus on the practical implementation of Generative AI in modern software solutions. With 30 years of experience in software engineering, he ad... Show more

Suesi Tran is a Google Developer Expert in Dart & Flutter & Firebase, GDG Co-Organiser at GDG Melbourne and Flutter Melbourne, and a Women Techmaker Melbourne Ambassador. She has more than 18 years experience in mobile development, and started Flutter development since 2017.

Suesi is the founder of Nartus, the company behind MemoirME - a digital diary designed to help people preserve meaningful memories, relieve stress, and support better mental well-being. MemoirME empowers users to tell their own stories, in their own voices, with the goal of fostering reflection, healing, and personal growth.

Suesi Tran is a Google Developer Expert in Dart & Flutter & Firebase, GDG Co-Organiser at GDG Melbourne and Flutter Melbourne, and a Women Techmaker Melbourne Ambassador. She has more than 18 years experience in mobile development, and started Flutte... Show more

A seasoned developer since the pre-Bootstrap era, Anubhav has extensive experience as a freelancer and AI startup founder. He authored "Hands-on Python Deep Learning for Web" and "Mobile Deep Learning with TensorFlow Lite, ML Kit, and Flutter." A Google Developer Expert in ML & GCP, he was a co-organizer for TFUG Kolkata and formerly led the team at GDG Cloud Kolkata. Anubhav is often found discussing System Architecture, Machine Learning, and Web technologies.

A seasoned developer since the pre-Bootstrap era, Anubhav has extensive experience as a freelancer and AI startup founder. He authored "Hands-on Python Deep Learning for Web" and "Mobile Deep Learning with TensorFlow Lite, ML Kit, and Flutter." A Goo... Show more

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

Göktuğ Özdemir is a Senior Flutter Developer at Commencis and a Google Developer Expert (GDE) for Firebase. With over six years of mobile development experience, his main expertise lies in Flutter, Firebase, and testing. He actively contributes to the developer ecosystem as a writer, content creator, and speaker—delivering 27+ talks and workshops and publishing 9 articles focused on Flutter and Firebase. Passionate about empowering developers, Göktuğ continues to share practical knowledge through open-source contributions, workshops, and community events.

Göktuğ Özdemir is a Senior Flutter Developer at Commencis and a Google Developer Expert (GDE) for Firebase. With over six years of mobile development experience, his main expertise lies in Flutter, Firebase, and testing. He actively contributes to th... Show more

Wesley is a machine learning engineer and data scientist, and a Google Developer Expert for Artificial Intelligence (AI) adept at crafting production-ready ML systems that provide impactful solutions in the African market.

As a tech conference speaker, he shares his expertise through insightful talks and occasional articles on TensorFlow and Keras, aiming to disseminate his knowledge and experiences.

Wesley is a machine learning engineer and data scientist, and a Google Developer Expert for Artificial Intelligence (AI) adept at crafting production-ready ML systems that provide impactful solutions in the African market. As a tech conference spe... 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

Glen is a cloud engineer bringing over 16 years of diverse tech experience in multiple industries. Since 2016, he has focused on cloud computing, DevOps, Google Cloud, and HashiCorp tools. Glen proudly holds the title of Google Developer Expert in Google Cloud and AI/ML.

Glen is a cloud engineer bringing over 16 years of diverse tech experience in multiple industries. Since 2016, he has focused on cloud computing, DevOps, Google Cloud, and HashiCorp tools. Glen proudly holds the title of Google Developer Expert in Go... Show more

Trung Vo is a seasoned web developer, tech community builder, and recognised Google Developer Expert in Angular. As the founder of Angular Singapore, he leads initiatives to build and nurture the software developer community in Singapore. Trung frequently speaks at international tech conferences, sharing insights on modern development practices to make the web fast and delightful for end users.

Trung Vo is a seasoned web developer, tech community builder, and recognised Google Developer Expert in Angular. As the founder of Angular Singapore, he leads initiatives to build and nurture the software developer community in Singapore. Trung frequ... Show more