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!

Riccardo Erra
Figma, UK
Riccardo Erra is a developer advocate at Figma. He joined Figma as their first developer advocate in EMEA. Before joining Figma he worked as a software engineer for 15 years with the last few years spent as a design system engineer. At Figma he's empowering engineers to make the most out of the various Figma's tools tailored to developers.

Mikhail Levchenko
Developer Productivity Engineer, Serbia
Accomplished software engineer with over 7 years of experience, transitioning from a seasoned Android developer and Techlead to a Developer Productivity Engineer. Passionate about streamlining development processes and enhancing team performance, Mikhail has led various initiatives to elevate developer satisfaction and productivity.

Johannes Goslar
Synthesia, Germany
Johnny loves (board|electronic) games, programming with a lot of parentheses and cycling. After receiving his MSc from Oxford, a short stint in San Francisco, an even shorter in London, he ended up home near Frankfurt. He famously got fired from Twitter in 2022, worked as Staff Engineer for Sizzle.gg afterwards and is now building the editor at Synthesia.

Brecht De Rooms
Fauna, Belgium
Brecht De Rooms is a senior developer advocate at Fauna. He is a programmer who has worked extensively in IT as a full-stack developer and researcher in both the startup and IT consultancy worlds. It is his mission to shed light on emerging and powerful technologies that make it easier for developers to build apps and services that will captivate users.

Buddha Bhattacharya
Tyk, Singapore
Founder of WAYV Digital, providing business strategy and technology solutions for impact-driven companies to help them scale up, become sustainable and spread their impact around the world. Currently working with companies across 5 continents in the areas of education, disability care, healthcare and sustainable e-commerce.
A dynamic leader with experience across both technical and managerial roles. Extensive experience in client and stakeholder engagement, combined with an expertise in solution consultancy across multiple technology platforms ensures successful product delivery time after time.
Key competencies:
• Technical consultancy and delivery- Kentico, Sitefinity, Sitecore, Drupal, WordPress, AWS, Azure
• Solution Architecture (cloud, web, apps)
• Product management
• Agile delivery as Professional Scrum Master
• Team management and leadership
• Technical Project management and direction
• Full stack web development (JS - React, Angular; Python; PHP)
Dedicated to building communities to tackle the UN Sustainable Development Goals and passionate about helping those who wish to change the world!

Andrico Karoulla
Web Developer, London
I gave up the glamorous life of a Chip Shop Chef to pursue a career in web development. Over half a decade later and I’ve worked at a handful of different startups around London, working with lots of amazing people and amazing tech. I’ve spent a lot of time in the Frontend space, building component libraries, running web accessibility workshops, and just having fun building user interfaces.
I also created Component Odyssey, a course dedicated to teaching developers how to build a web component library that works in any web framework. I’ve also contributed to open source projects, like the Open UI, where I led the site rewrite.

Maulik Suchak
Apple, USA
Maulik Suchak is working as the Lead Frontend Engineer at Apple, with over 13 years of expertise in web development. His primary focus is on crafting exceptional user interfaces for Apple Maps, a globally renowned and innovative product. Proficient in JavaScript, HTML, CSS, and other cutting-edge technologies, he strives to deliver engaging and responsive experiences for users.
Prior to his role at Apple, he served as an Engineering Manager at Yelp, where he successfully led two teams of software engineers.
His entrepreneurial spirit and creative vision are reflected in his co-founding and founding of several projects, such as CVSIntellect and DearWeb.

Joshua Nelson
Airbnb, USA
Joshua is a developer at Airbnb, working on improving the front end performance of the most visited pages on the site! Joshua cares deeply about ensuring fast experiences for everyone, and has worked on performance optimization and instrumentation to achieve this.
With experience building both UI platforms, design systems, and product UI, Joshua has learnt what really works when it comes to performance (and what doesn't!) and is looking forward to sharing these lessons with you.

Kiril Peyanski
Progress, Bulgaria
Kiril is a Principal Software Engineer @ Progress, specialized into building UI Component Libraries and an affinity for Design Systems. Focusing exclusively into this for the last 8 years, he's been exploring the OSS space lately and build his own open-source Design System Framework.

Jorrin Bruns
Algorand Foundation, Canada
Jorrin is a Web Dev/Instructor turned blockchain builder/ educator. He has been a part of the blockchain industry for 8 years, and he hasn’t looked back since going full-time. He is passionate about building the next layer of the internet and empowering others to do the same.

Robert Plummer
iFit, USA
Robert is a full stack engineer with 15 years of developer experience, helping lead a node based machine learning team at iFit. From an early age, he strove to understand how things worked by taking them apart, and putting them back together. He became interested in machine learning in 2015, saw a larger need in the node community, and eventually became a maintainer of Brain.js and GPU.js. His desire to convey the simplicity of neural networks was manifest in his machine learning course on scrimba: Neural networks in JavaScript.
Joran Quinten
Jumbo Supermarkten
Mentorship available
Jorans passion involves getting people to love technology and getting technology to play nice. He works as an interaction developer with ♡ for web, tech, science & tinkering with stuff. Focussed on innovation at Jumbo Supermarkten. Published author, tweets and speaks every now and then.

Carly Litchfield
Galileo, USA
Carly is a software engineer at Galileo in New York City, working to improve healthcare. Previously she's worked at Haven and Zocdoc. Carly especially enjoys working with React and React Native, and has a passion for automated testing. When she's not coding you can find her skiing, hiking, or trying local beers.









