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!

Avital Tzubeli
Vonage, Israel
From a young age, Avital was fascinated by the world of computers and solving problems with them. She followed a path of backend development, storytelling, and a little graphic design, before discovering the world of DevRel. Today Avital is the Regional Developer Advocate at Vonage TLV, where she gets to combine her passions for code, creative thinking, and facilitating good stories.

Johnny Fekete
Bonboarding, Spain
Mentorship available
"Johnny is a seasoned full stack developer with 16+ years of web development experience, building his startup, Bonboarding.
He thrives on tackling complex tasks that require out-of-the-box thinking, and enjoys finding creative solutions.
His passion for early-stage projects is fueled by his belief in the transformative power of technology and his drive to constantly push the envelope."

Dmitry Kudryavtsev
Senior Software Engineer, Israel
My name is Dmitry Kudryavtsev. I'm Russian born, and currently living in Israel, Software Engineer. I'm passionate about programming, and started to write software from the age of 14 using Pascal, C and PHP. I've touched nearly every programming language out there, and right now I'm passionate about JavaScript (well, I prefer TypeScript) and Rust. I have more than 11 years of professional experience, and worked in multiple companies (including Autodesk), occupying different titles such as: Senior Software Engineer, Tech Lead, Consultant.
In my free time I like to write code and experiment with new technologies, get outdoors, read, focus on self improvement and productivity as well as boxing and staying healthy.

Alex Korzhikov
Instructor, Mentor, Netherlands
My primary interest is self development and craftsmanship. I enjoy exploring technologies, coding open source and enterprise projects, teaching, speaking and writing about programming - JavaScript, Node.js, TypeScript, Go, Java, Docker, Kubernetes, JSON Schema, DevOps, Web Components, Algorithms 👋 ⚽️ 🧑💻 🎧

Amanda Lewis
Google Cloud, USA
Amanda Lewis is a Developer Relations Engineer on the DORA Advocacy team at Google Cloud. She leads the development of the DORA Community of Practice and is a co-author of the 2023 Accelerate State of DevOps Report. Her career has been spent building connections across teams to develop e-commerce platforms, content management systems, observability tools, and support developers. She helps teams develop a culture of continuous improvement to deliver improved well-being and better outcomes for the business.

Ben Hagan
PolyScale, USA
Ben is the Founder of PolyScale.ai where he works to make scaling databases globally, simple for developers and architects. Ben has been working with distributed systems and big data for over a decade, leading Solution Architecture teams at companies such as DataSift, Elastic and Rockset.

Chris Smith
Retool, USA
Chris Smith is a developer evangelist at Retool, where he helps developers to rapidly code internal tools. He is a hacker at heart ever since learning QBASIC in middle school and is passionate about the power that learning to code brings to an individual. He’s worked for 6+ years in the world of low-code tools to empower developers to do more in less time. He’s passionate about visual abstractions and ways of quickly conveying and understanding complexity. Prior to Retool, Chris worked at Tray.io, JunoVR, Segment, and National Instruments.

Bjarke Felbo
Dusk, Denmark
Doing my best to boost JS game development by organizing React Jam and a $100k grant initiative for open-source games. Previously researched ML algorithms at MIT, incl. making an open-source AI algorithm now used to serve 300M+ daily users. Awarded Forbes 30 under 30 and Marvin Minsky fellowship.

Daphne Oakes
Grow Therapy, USA
Daphne is a comedian, software engineer, and conference speaker. She is on a mission to bring comedy into tech and has brought to conferences: a "He-Man" sing-along, AI-themed cha-cha slide, and a Pokemon speaker introduction. She's an engineer at Grow Therapy and previously worked at Lyft, Shopify, and Yelp. Based in Seattle, she enjoys improv, sketch writing, and hostel-hopping around the world. What makes her happiest in life is meeting people. So, if you want to yap with her all day, reach out to her through social media!

Marko Letic
Fused, Serbia
Marko is a software engineer and data visualization enthusiast specializing in geospatial technologies. Currently a Founding Engineer at Fused, he builds interactive geospatial applications using React and deck.gl. Previously, he was a Senior Software Engineer at Foursquare and a Tech Speaker at Mozilla. As the Director of Armada JS, Serbia’s largest full-stack JavaScript conference, Marko is dedicated to community building and knowledge sharing. He holds a Master’s degree in Computer Science and is pursuing a PhD in data visualization.

Amber Vanderburg
The Pathwayz Group, USA
Amber Vanderburg is a multi-award winning businessperson, keynote speaker, author, and founder of the international learning development company, The Pathwayz Group, which has led 800,000+ learners in more than 75 countries in action-focused learning journeys. Amber's history in talent development includes authoring top-reviewed online learning courses for platforms such as LinkedIn Learning, Lecturio, and Pluralsight, acting as Director of a national education leadership company, and coaching with professional sports team academies in Asia. In 2022, she published her first business adventure book "Uniquely Better" about building higher team performance.

Alberto Schiabel
Prisma, Italy
Alberto is a senior software engineer and former startup co-founder.
He has over 8 years of experience and has shipped the first WebAssembly modules in the open-source Prisma and Lyra projects. He’s currently a consultant working primarily in TypeScript and Rust at Prisma Data. In his free time, he helps junior developers prepare for job interviews."

Khrystyna Landvytovych
SoftServe, Ukraine
I'm a Frontend engineer in SoftServe and born cook in my former life. I love to learn something new and immediately put it into practice and share my experience with others.
I'm a mentor at Kottans, give public speeches, participate as program committee in fwdays, translate programming books and maintain an insta magazine @twoLip about my travels and hobbies.

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.