JavaScript experts, mentors, speakers

Explore personalities and their talks, workshops, videos, and articles. While we focus primarily on JavaScript and frameworks like React, Vue, Svelte, and Node, you may find experts on other fields on our Portal. To name a few – Testing, DevOps, Machine Learning, and many more!
Florian Rappl
Florian Rappl
smapiot, Germany
Dr. Florian Rappl is a solution architect from Germany who specializes in the creation of scalable distributed web applications. He is almost exclusively working on micro frontend solutions. Florian is a long-time Microsoft MVP in the development tools area.
David Sherret
David Sherret
Deno, Canada
I'm David and work as a software developer on Deno. In the past, I worked professionally in the medical device and healthcare industry. I maintain several TypeScript related open source projects and have been using TypeScript for almost 10 years.
Lukonde Mwila
Lukonde Mwila
SUSE, South Africa
Lukonde is a Principal Technical Evangelist at SUSE and is an AWS Container Hero. He specializes in cloud and DevOps engineering and cloud-native technologies. He is passionate about sharing knowledge through various mediums and engaging with the developer community at large.
Devlin Duldulao
Devlin Duldulao
Packt Book Practical Enterprise React Co-author, Norway
Co-authored the Packt book Practical Enterprise React; Devlin has been using HTML, CSS, and TypeScript to build web apps and mobile apps for their customers for years. He has been a Microsoft MVP and an on-site React trainer for 7 years.
Hunor Márton Borbély
Hunor Márton Borbély
Germany
Web developer with an interest in UX design. Freelancer. Creator of https://svg-tutorial.com/
Matt Landers
Matt Landers
WP Engine, USA
Matt Landers leads the DevRel team at WP Engine, after joining the company in 2019 as a Technical Architect who was (and still is) super passionate about headless. That passion ultimately played a major role in the release of Atlas, which pairs WP Engine’s industry-leading WordPress platform with Node.js hosting to enable headless solutions using modern frameworks and technologies like React, Vue, and more. Before joining WP Engine, he served as Technology Evangelist at Microsoft, where he educated developers on the advantages of adopting .NET and worked with Fortune 100 companies to build some of the largest enterprise systems as an Architect. Additionally, Matt founded Covalence, a coding bootcamp, channeling his passion for teaching developers.
Bartek Iwanczuk
Bartek Iwanczuk
Deno, Poland
Bartek started contributing to Deno in late 2018, becoming the first employee to Deno Land in December 2019. Currently leading the CLI team.
Olena Kutsenko
Olena Kutsenko
Aiven, Germany
Olena is a seasoned expert in data, sustainable software development, and teamwork. With a background in software engineering, she's led teams and developed mission-critical applications at Nokia, HERE Technologies, and AWS. Currently, she works at Aiven where she supports developers and customers in using open-source data technologies such as Apache Kafka, ClickHouse, and OpenSearch. She is also an international public speaker and regularly present at conferences around the world. She holds AWS Developer and Solutions Architect certifications, and is also a Confluent Catalyst.
Björn Ritzl
Björn Ritzl
Defold Foundation & Refold, Sweden
Chairperson of the Defold Foundation, overseeing development of the free and source available Defold game engine. Co-founder of Refold. Worked with mobile game development since before the smart phones. Enjoys old school games and traditional roguelikes.
Arun Michael Dsouza
Arun Michael Dsouza
Bloomberg, UK
Computer programmer from India currently building enterprise products for the web. Tech speaker, open source software author and contributor. Community leader for React Delhi-NCR and Open Source Delhi. Plays drums (occasionally), loves travelling, listening to rock music and playing video games.
Shain Dholakiya
Shain Dholakiya
Decentology, USA
Shain is a Developer Advocate at Decentology, where he teaches about topics in Web3 and how to build in Web3. He previously worked at NASA, The Boring Company, Microsoft, and Amazon, focusing mainly on web and mobile development. Shain spends most of his time building side projects, engaging with the Web3 community, playing poker, and working out!
Rafaela Azevedo
Rafaela Azevedo
The Chain Academy, London, UK
Recently diving into the entrepreneurship world with the mission of expanding the Web3 Community through The ChainAcademy Full Stack SDET with +16 years of Experience in QA, +14 years of Experience in Test Automation, and +9 years in Leadership, Delivering and Releasing Software on different platforms (Mobile, Desktop, Web) TechWomen 2023 Awards Winner and became a STEM Ambassador, Google Developer Experts and a STEM Women Member making an impact and bringing more people to the STEM area.
Pillippa Pérez Pons
Pillippa Pérez Pons
Smartbiz, USA
Pillippa is a dedicated software developer and avid React enthusiast, fueled by her innate curiosity and zeal for learning. Hailing from a small town and growing up in a large family, she embraced the virtues of persistence and determination from a young age. Pillippa's keen focus on innovation and the practical application of new knowledge drives her exploration of diverse features in web development. As an active participant within the community, she aspires to inspire and collaborate with fellow developers, fostering a collective spirit of growth and advancement.
Lili Kastilio
Lili Kastilio
Snyk, UK
Working closely with customers designing & building TypeScript solutions. Recently a Lead Engineer at Snyk working on extending our current languages offering by introducing new languages and language specific concepts into our system in the shape of libs, parsers and microservices. When not coding I like to spend my time hanging upside down doing circus things.
Andrew Hao
Andrew Hao
Lyft, USA
Andrew is a Staff Engineer at Lyft, where he builds products for Lyft's riders. When it comes to engineering, he's especially passionate about Web performance, machine learning and systems design. When it comes to people, he loves learning about what makes people tick and building high performing teams. In a prior life, he was a Principal Engineer at Carbon Five and an Engineering Manager at Blurb Books. He lives in Oakland with his family where he spends his free time running the streets and trails, dreaming about the day we'll be able to race in person. Online, he writes at https://www.g9labs.com
Mikhail Burtsev
Mikhail Burtsev
DeepPavlov.ai, UK
Mikhail Burtsev is a head of Neural Networks and Deep Learning Laboratory at Moscow Institute of Physics and Technology. He is also a founder and leader of open-source conversational AI framework DeepPavlov. Mikhail had proposed and co-organize a series of academic Conversational AI Challenges (including NIPS 2017, NeurIPS 2018, EMNLP 2020). His research interests are in the fields of Natural Language Processing, Machine Learning, Artificial Intelligence and Complex Systems. Mikhail Burtsev has published more than 20 technical papers including – Nature, Artificial Life, Lecture Notes in Computer Science series, and other peer-reviewed venues.
Moataz Nabil
Moataz Nabil
Bitrise, Germany
Moataz has over 12 years of experience in testing and development roles across industries such as agriculture, telecom, healthcare, fashion, and food delivery. Moataz is currently a Developer Advocate at Bitrise, helping mobile engineers deliver fast, reliable, and secure mobile apps. He also helps companies build their own developer productivity teams. As well as being an AWS Community Builder, he also teaches on TAU and Udemy. His experience includes building automation projects for large and distributed projects from scratch.
Dylan Jhaveri
Dylan Jhaveri
MUX, USA
Dylan is a Senior Software Engineer at Mux, a startup building online video infrastructure for developers. Dylan works on the DevEx team to help developers deliver smooth video to their users. Previously he co-founded Crowdcast, a live video streaming platform.
Håkan Silfvernagel
Håkan Silfvernagel
Miles AS, Norway
Håkan holds a Master of Science degree in Electrical Engineering and in addition, he holds a Master’s degree in Leadership and Organizational behavior. He has also taken courses on university level in psychology, interaction design and human-computer interaction. He has 20 years’ experience of software development in various positions such as developer, tester, architect, project manager, scrum master, practice manager and team lead. Håkan is Chairman of the local chapter of the Norwegian .NET User Group Oslo (NNUG) and is active as an Ambassador for Oslo.AI the local chapter for the global City.AI community. Håkan is a Microsoft Most Valuable Professional (MVP) in AI. Currently, Håkan is working as Manager AI and Big Data at Miles AS, a Norwegian consultancy company.
Santosh Viswanatham
Santosh Viswanatham
Interledger Foundation, India
Santosh is an Open web advocate, an Ambassador at the Interledger Foundation. He writes Vanilla JS for Breakfast and tweets at @isantoshv. Santosh was previously a Tech Speaker and a Participation Leader at Mozilla. As a Tech Speaker, he delivered talks on Javascript, WebVR, Cross-Platform browser extensions, and Devtools in the past at various tech conferences. In recognition of his contributions to Mozilla, his name is featured in the about:credits of every shipped Firefox browser.
Tamar Twena-Stern
Tamar Twena-Stern
XM Cyber, Israel
Tamar is a software developer, manager and architect. She has a decade of software engineering experience in various technologies: Server side, big data, mobile, web technologies, and security. She is currently focusing on Node.js, and has a deep knowledge of Node.js server architecture and Node.js performance optimisations.
Fredrik Höglund
Fredrik Höglund
ephem.dev, Sweden
Fredrik is currently a freelance consultant and has been working with and been weirdly fascinated by React Server Rendering for the last 8 years. He is a React Query contributor, has written his own custom server renderer(s), and though he wishes he had time to contribute more actual code to open source than he currently does, his issues, discussions, suggestions and explanations on mostly SSR-related matters litters many corners of GitHub and the wider internet. He lives in Stockholm, Sweden, is a Cognitive Scientist by education and likes brewing beer in his free time, that is, when he isn’t playing Zelda with his kids. Zelda is incidentally also the name of his dog.
Kasia Jastrzebska
Kasia Jastrzebska
Cleo, Poland
Design System Tech Lead at Cleo. Frontend Engineer for ages with a huge passion for CSS (and design systems!). Horse rider ;)
Luca Del Puppo
Luca Del Puppo
Nearform, Italy
I'm a Senior Software Developer, Microsoft MVP, Google Developer Expert and GitKraken Ambassador. I love JavaScript and TypeScript. In my free time, I love studying new technologies, improving myself, creating YouTube content or writing technical articles. I can’t stay without trail running and love to do it in my love Dolomiti.