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!
Pooja Mistry
Pooja Mistry
Postman, USA
Pooja Mistry(@poojamakes) is a Developer Advocate at Postman, an API platform with over 25 million users. She is passionate about the intersection of technology and community, and she works to expand the reach of Postman’s API Platform to developers worldwide. Before working at Postman, Pooja led the Partnership Advocacy Program at IBM and worked to build communities around sharing technology insights in the API, APIOps, Integration, and Data and AI space. Pooja loves to learn, teach, and share her knowledge with developers. Along with being a proud plant mom, she strongly believes in helping new technologists get up and running with technology and feel confident in their abilities to make!
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.
Josefine Schaefer
Josefine Schaefer
Storyblok, Germany
Josefine is currently a Developer Relations Engineer at Storyblok, a Google Developer Expert for Web Technologies and a Girl Code Ambassador. She is passionate about advocating for Accessibility and making the web a little more inclusive, one page at a time.
Nils Hartmann
Nils Hartmann
Freelancer, Germany
Nils Hartmann is a freelance software architect, developer and trainer from Hamburg. He mainly works with Java, JavaScript/TypeScript and React.
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.
Jason Jean
Jason Jean
Nrwl, Canada
Jason is an Architect at Nrwl on the Nx Core Team. He works with Fortune 500 companies across different industries to enable them to develop like Facebook, Microsoft, and Google. Along with development, Jason is also an enthusiast of board games and mechanical keyboards.
Guillermo Gutierrez Almazor
Guillermo Gutierrez Almazor
DNSimple, Spain
Guillermo thinks that crafting software is more like gardening. He’s been dealing with legacy codebases for as long as he can remember and has helped several teams improve their skills around it.
Nick Hehr
Nick Hehr
Viam Robotics, USA
Nick is an empathetic community member, full-stack developer, avid climber and cyclist. He is currently a Senior Developer Advocate at Viam where he helps people build and manage their hardware projects from anywhere in the world. He is an invited expert with TC53 to help shape the future of JS on things. In his free time, he tinkers with home automation and robots built with JavaScript. His mustache is a figment of your imagination.
Olena Kutsenko
Olena Kutsenko
Confluent Staff Developer Advocate, Germany
Olena is a Staff Developer Advocate at Confluent and a recognized expert in data streaming and analytics. With two decades of experience in software engineering, she has built mission-critical applications, led high-performing teams, and driven large-scale technology adoption at industry leaders like Nokia, HERE Technologies, AWS, and Aiven. A passionate advocate for real-time data processing and AI-driven applications, Olena empowers developers and organizations to use the power of streaming data. She is an AWS Community Builder, a dedicated mentor, and a volunteer instructor at a nonprofit tech school, helping to shape the next generation of engineers. As an international speaker and thought leader, Olena regularly presents at top global conferences, sharing deep technical insights and hands-on expertise. Whether through her talks, workshops, or content, she is committed to making complex technologies accessible and inspiring innovation in the developer community.
Garth Henson
Garth Henson
CareAcademy, USA
Meet Garth Henson, a seasoned tech enthusiast with a rich career spanning big tech giants like Amazon and Microsoft, as well as the enchanting worlds of Disney and Lucasfilm. With a primary focus on full-stack web and cloud architecture, Garth has navigated the digital realm with expertise. Currently, he is the leader of product, design, and engineering at CareAcademy, where he is dedicated to shaping a smarter future in healthcare. As an active startup advisor and mentor, Garth has shared his wisdom and guidance with both students and budding entrepreneurs alike.
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.
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.
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.
Dan Kochetov
Dan Kochetov
Drizzle Team, Ukraine
Dan Kochetov, full stack web developer & system architect with 10 years of expertise, AWS expert, open source contributor, co-founder of Drizzle Team.
Matteo Frana
Matteo Frana
React Bricks, Italy
I am from Bergamo, Italy, I have a son of 7 and a daughter of 4. I program since I was 10 (it was 1988, GW-BASIC on a IBM 8088) and develop web apps since 1996. I’m in love with React and my mission is making content editing fun with React Bricks. I play the piano, I try to play the guitar and I write songs. I like cooking and I'm interested in quantum mechanics.
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.
Oren Rubin
Oren Rubin
Testim, USA
Oren Rubin is the founder and CEO of Testim, an AI-based test automation platform that speeds the authoring of resilient end-to-end tests. Oren has over 22 years of experience in the software industry, building mostly test-related products for developers at IBM, Wix, Cadence, Applitools, and Testim.io. In addition to being a busy entrepreneur, Oren is a community activist and the co-organizer of the Selenium-Israel meetup and the Israeli Google Developer Group meetup. He has taught at Technion University and mentored at the Google Launchpad Accelerator.
Michael Milewski
Michael Milewski
Zepto #ABetterWayToPay, Australia
Michael is a developer keen on the people side of things. He loves pairing, and in particular with people new to writing software. He especially likes driving software out with tests and directing the evolution of the design. In his spare time, he does a bit of paddle boarding, camping and watching any one of his 4 kids excel above anything he ever managed to achieve.
Arya Soni
Arya Soni
Logify360 & Co-Founder / CTO, Germany
Tech Entrepreneur | Ex-Founder Raised ₹1.5CR in College | Co-Founder & CTO of SaaS Product ( 2 Company ) | DevOps Engineer Game Industory | Cloud Enthusiast
Hunor Márton Borbély
Hunor Márton Borbély
Berlin
Web developer with an interest in UX design. Freelancer. Creator of https://svg-tutorial.com/ and https://javascriptgametutorials.com/
Tony Gorez
Tony Gorez
Tether, France
Systems Engineer and security researcher. Member of the Bare team at Holepunch, ex Postman. Passionate about reverse engineering.
Alex Ruheni
Alex Ruheni
Prisma, Germany
Alex is a Developer Advocate at Prisma, where he's working to make databases easy and fun. He loves learning and teaching other developers. Every once in a while, he procrastinates by preaching to other developers to adopt Ts. He's also a mediocre photographer at best – but the camera covers that up for him.
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.
Fabrice Bernhard
Fabrice Bernhard
Tech Cofounder Theodo, UK
Founder of Theodo, a tech consultancy he scaled with Benoît Charles-Lavauzelle from 10 to 700 people in 10 years. He worked on his first large legacy modernisation in 2008 and has been back in the trenches to experiment first-hand how AI is revolutionising this challenge. Fabrice has shared his Lean Tech and AI modernisation expertise at various conferences, including CraftConf, DevopsDays and Lean Summits.