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!
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.
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 ;)
Chaitanya Rahalkar
Chaitanya Rahalkar
Block Inc, Austin, TX, USA
I am a Software Security Engineer at Block (f/k/a Square). I am passionate about AI, startups, and cybersecurity
Jamie Maria Schouren
Jamie Maria Schouren
DEITY, Netherlands
Jamie Maria started as a native app developer but soon jumped into the world of JavaScript, Progressive Web Apps and Service Oriented Architectures. Driven by the urge for innovation she co-founded DEITY with the aim to improve the online world around her by introducing middleware and SOA as a standard to any e-commerce platform.
Laurin Quast
Laurin Quast
The Guild, Germany
Laurin Quast is a developer that started exploring GraphQL, by leading the private and later public API development at a start-up. Realizing that there are still many unsolved problems and challenges within the space, he started contributing to famous JavaScript libraries, such as GraphQL Code Generator and GraphQL Tools. Diving deeper and deeper, the transition into becoming a full-time open-source developer at The Guild was inevitable.
Matt Fellows
Matt Fellows
Pactflow, Australia
Matt Fellows is a core contributor to the Pact contract-testing framework, and co-founder of the microservices continuous delivery platform – Pactflow. A self-described polyglot who enjoys working at the intersection of technology, humans and ideas – ideally fully caffeinated. He's passionate about giving back to the tech community, sharing learnings at local meetups and conferences, and is a core contributor to the popular Pact microservices testing framework and author of the Muxy chaos testing tool. When not absorbing the Internet via osmosis, he can be found teaching kids at Code Club, playing basketball or pumping iron like Arnie.
Szymon Chmal
Szymon Chmal
Callstack, Poland
Creator of Rozenite, Harness and Voltra. The kind of person who dives into code and somehow makes the "impossible" happen. Focused on building the next generation of developer tools so you can ship your apps even faster.
Jad Fakih
Jad Fakih
Integrix AI, Australia
I am the founder of Integrix, an AI-driven agency that helps established businesses leverage artificial intelligence and automation to transform their sales and marketing strategies. With a background in sales and over a year of focused experience in AI and its practical applications, I specialise in guiding business owners to streamline operations by automating routine tasks and optimizing sales cycles. This enables them to concentrate on high-value tasks, accelerating growth and scaling their business.
Sahar Pournasseh
Sahar Pournasseh
Gearback, Iran
Sahar is a software developer and a game enthusiast. She has been developing in the web and mobile platforms for years, but her childhood passion for games and gaming brought her to the game industry and her experience with web and mobile platforms gave her more insight to become an indie game dev. Starting with JavaScript web games made this passion burn brighter and she's been creating games ever since, working with different engines and experimenting with creating multiplayer and single player games.
Interests:
Matias Huhta
Matias Huhta
Simplr, Finland
Matias is an enthusiastic Software Developer who loves working with developer tooling. He’s an active member of Open Source communities and aims to contribute to the tools he uses. Matias aims to ease the day to day development experience of developers around the world while also making the experience as enjoyable and fun as possible. Matias is a huge advocate of using the web platform and the features it provides natively.
Haifeng Jin
Haifeng Jin
Max Gallo
Max Gallo
DAZN, UK
I’m a pasta eater biped working at DAZN as Principal Engineer. My areas of expertise are JavaScript and Front-End technologies with a DevOps flavour. I like Functional & Reactive solutions both for programming and architectures. I use spaces, not tabs.
Ondrej Polesny
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.
Yonatan Mevorach
Yonatan Mevorach
Wix, Israel
Yonatan is a Team Lead at the Infra group at Wix.com, where he is able to make his love for creating developer tools a part of his daily work. He also enjoys working on open-source developer tools, and blogs about them at blog.yonatan.dev.
André Eriksson
André Eriksson
Encore, Sweden
André is the founder and CEO of Encore, a backend development platform tool designed to free developers from the maze of complexity. He was previously a Staff Engineer at Spotify, and when he's not coding he takes care of an adorable puppy named Salvador.
Giulio Zausa
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
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
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.
David Leitner
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.
Daniel Irvine
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.
Burak Kantarci
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.
Bruno Paulino
Bruno Paulino
N26, Austria
Bruno is a passionate Software Engineer who loves crafting solutions that can help ease our lives and make it more fun. He is mainly interested in Web development, currently working with TypeScript, Elixir and React.
Je Xia
Je Xia
China
Web developer and graphic designer. Creator of Aleph.js and esm.sh.
John Nguyen
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.