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!

Iwo Plaza
Software Mansion, Poland
Iwo Plaza is a software engineer & artist, trying to incorporate art into every project he gets his hands on. He's passionate about graphics programming and softening the learning curve for future developers trying to get into it. Author of TypeGPU and numerous interactive examples and games built using WebGPU for Web and React Native. His combined experience with C++ game engines and TypeScript's type system allow him to lead the project in a unique direction.

Ondrej Polesny
Kontent.ai, Czech Republic
Ondrej is a Jamstack enthusiast focused mostly on React and Vue-based tools. As a Developer Evangelist at Kontent.ai, he constantly stays connected with in-house and partner developers, which brings him closer to many interesting digital projects built with various tools. Always interested in problems that everyone claims have no solution, Ondrej enjoys building the architecture of components or applications and figuring out how all parts fit together. He also creates videos and speaks at conferences and podcasts.
Giulio Zausa
Flux.ai, Austria
Giulio is an Italian software engineer working at Flux and contributing to open source with Poimandres. He's deeply passionate about pushing the web platform to its limits, building things like custom React reconcilers, real-time computer vision on Web Workers and flex layout engines for THREE.js.

Tiger Oakes
Microsoft, USA
After growing up with dead zones in Hawaii, Tiger wants to make apps that work offline and load fast. Today, he programs web apps as a senior engineer at Microsoft. Tiger is an enthusiastic member of the W3C working on new standards for the web, and has previously worked on Microsoft Edge, Firefox for Android, and Google Chrome. He creates art projects out of old devices, including junk phone wall decor and an e-reader tea menu. In his spare time, Tiger performs improv with his wife.
Kamil Ogórek
Sentry, Poland
Senior Software Engineer at Sentry, working with SDKs, CLI and debugging tooling. Passionate about software development, with a special affinity for web technologies.
After hours training and nutrition geek, a weightlifter, a climber, a recreational cyclist, a drummer and a music lover. Loves to cook and admires great food.

Daniel Irvine
Concisely Crafted, UK
Daniel Irvine is a soft ware consultant based in London. He works with a variety of languages including JavaScript and Ruby. He’s a mentor and coach for junior developers and runs TDD and XP workshops and courses. When he’s not working, he spends time cooking and practicing yoga. He co-founded the Queer Code London meetup and is an active member of the European software craft community.

David Leitner
SQUER, Austria
David is Chief Technologist at SQUER, a Software Company based in Munich and Vienna, working with different stacks and environments but always an overarching mission: connect ideas and provide impact — with technology. He spends much of his time on the frontlines tackling the challenges of scaling software and complex domains, with a strong focus on cloud-native architectures and infrastructures. David enjoys sharing his knowledge as a conference speaker and lecturer for his post-diploma courses at the University of Applied Sciences Technikum Vienna.

Burak Kantarci
Thundra, Turkey
Burak Kantarcı works as the Product Manager at Thundra, a developer platform that empowers application teams to develop, debug, and deliver modern microservices on the cloud. With an engineering and design background, he is creating products to drive impact. His current goal is to ease developers' daily life and make their workflows more errorless and enjoyable.

Yuraima Estevez
Shopify, USA
Yuraima Estevez is Frontend Development Manager at Shopify. She cares deeply about building open source tools, teaches developers how to create inclusive apps, and is a co-organizer for the useReactNYC meetup. Her superpower is saying hello to every dog she sees, and her current obsession is her Stardew Valley farm.

John Nguyen
Fullstack Engineer, Germany
My name is John Nguyen. I was born and raised in Berlin and I am currently working as a freelance Fullstack Engineer. I started my career in web development in 2013 with the LAMP stack and mainly used jQuery for a long time. Later, I got dragged into companies cloud migration where learned Serverless development, CI/CD pipelines and DevOps methods.
Fast forward to now, and I am a Fullstack Engineer with expertise in Cloud Engineering on AWS, Platform Engineering, and Fullstack Development.

Hung Nguyen
Full-time Open Source Contributor, Vietnam
Hung Nguyen is a full-time Open Source Contributor. He loves to help others with his software. He is obsessed with Developer Experience (DX). So he created jest-preview to help frontend engineers to write and debug Jest tests effortlessly. He is also a core member of bestofjs.org, a curated list of Javascript packages, which helps you to follow the growth of the Javascript ecosystem.

Vitor Malencar
Chilipiper, Berlin
Senior Web Developer & Engineering Manager based in Berlin with over 12 years of hands-on experience. I’m passionate about teaching and sharing knowledge—producing video tutorials and leading code courses at top programming schools. In my free time, I give back to the open-source community by maintaining projects like redux-offline, dracula-ui and clipboard.js,

Jorge Rubiano
Huge, Colombia
Hi! I'm Jorge Rubiano, a passionate developer with several years of experience in the programming world. Throughout my career, I've discovered that one of the best ways to learn and teach is through personal projects, and in my case, games have been my greatest source of inspiration.
I love immersing myself in game development because not only are they fun, but they also provide a valuable opportunity to learn new technologies and concepts. Each game I create challenges me to explore and master emerging technologies, from frameworks to libraries, and even design concepts and game logic.

Priit Kallas
Amperly AI consultancy, Estonia
Priit Kallas is the founder and strategist of the Amperly.com AI consultancy. He has been an entrepreneur and marketer since 1996. His daily work involves improving his clients results with SEO, content marketing, Google, Analytics, ChatGPT, and artificial intelligence tools.
In his work, he has collaborated with many top brands in Estonia and Europe: Telia, Nordea, EAS, If Insurance, Peugeot, University of Tartu, Estonian Unemployment Insurance Fund, European Institute of Innovation and Technology, Estonian Tax and Customs Board, SEB Bank, Tele2, and many others. He has created campaigns targeted both in Estonia and globally. Priit is a business mentor for several Estonian incubators.
Priit has shared his knowledge about using AI for business and productivity with more than 10,000 specialists, entrepreneurs, and marketers. He has had close to 1,000 training sessions, workshops, and conference presentations.
Priit has published over 1500 articles, videos, and podcasts. This material has been read, listened to, and viewed by over 12 million people worldwide. Priit is also a radio host at Äripäev Radio, Estonia’s to business news channel, helping Estonian marketers to get results.

Adam Ginsburg
Buzzy, Australia
Adam Ginsburg is the Founder and CEO of Buzzy, an innovative AI-powered no-code platform that enables users to transform ideas into applications quickly and efficiently. Under his leadership, Buzzy has gained recognition for simplifying the app development process, allowing users to create full-stack applications with minimal coding knowledge.
Prior to founding Buzzy, Ginsburg co-founded Aptrix, a company that was acquired by IBM and became part of IBM Web Content Manager. His experience in the tech industry spans multiple ventures, showcasing his strong background in product management and technology innovation.
In addition to his professional pursuits, Adam Ginsburg is a family man and an avid surfer, reflecting a well-rounded lifestyle that balances work and personal interests. He is known for his energetic and positive approach, making him a valued collaborator in the tech community.

Kamran Ayub
Kamranicus, USA
Kamran is a DevEd consultant who helps developer marketers create lean, mean lead-generating content cuisine. He writes about how to avoid fast food developer content marketing in his DevEd Test Kitchen newsletter and hosts DevEducate, a podcast about creating remarkable developer learning experiences. You can learn more at https://deved.love.