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!
Sota Ohara
Sota Ohara
RENDEZ-VOUS, Japan
Senior Software Engineer at CureApp inc, & CTO at RENDEZ-VOUS.
Robin Marx
Robin Marx
Akamai Technologies, Belgium
dr. Robin Marx is a Web Performance Expert at Akamai Technologies. He focuses on the performance and workings of modern Web protocols like HTTP/2, HTTP/3 and QUIC and has been a contributor in the IETF QUIC working group for multiple years. Robin often talks about web performance at international conferences, making the complex situations more insightful to the wider public. On the weekends, he likes to hit other people with longswords.
Julia Ziębińska
Julia Ziębińska
Poland, ec0lint
Julia is a Software Developer at ec0lint, a tool for frontend developers which mitigates the carbon footprint of websites. Besides, she works as a Software Engineer at Akamai. She is also a laureate of the IT for SHE program. In her free time, Julia practices yoga and makes handcrafted candles.
 Ido Moshe
Ido Moshe
AG Grid, United Kingdom
Ido Moshe is a software engineer with over a decade of experience building scalable web applications and developer tools. He currently works on charting libraries at AG Grid, focusing on clear, high-performance data visualization. He has led front-end architecture across diverse domains, with a focus on building modular UI systems, streamlining development workflows, and reducing complexity in evolving codebases. His work emphasizes maintainability, clarity, and thoughtful abstraction.
Hanna Chen
Hanna Chen
Shopify, Canada
As a former agency developer, Hanna has experience building apps on various platforms. At Shopify, she is a front-end developer on a team dedicated to building out the capabilities that enable great embedded apps. Hanna has spent the last three years building and maintaining Shopify App Bridge, a JavaScript library that lets developers embed apps directly inside the Shopify Admin and Shopify POS.
Ryan Feigenbaum
Ryan Feigenbaum
GrowthBook, USA
Ryan Feigenbaum is a Dev Advocate at GrowthBook, helping teams build scalable feature flagging and experimentation systems. A JavaScript enthusiast with a love for performance and developer tooling, they’re passionate about making experimentation seamless for engineers. When not deep in flags and rollouts, they’re probably sipping a bourbon, playing chess, and having a spirited disagreement with their dog, Mel.
Aleksandr Shinkarev
Aleksandr Shinkarev
Tourmaline Core, CEO, Kazakhstan, Astana
Develop professionally for 13 years. Worked as a team lead at Deloitte and Nielsen. Currently I lead my own tech company Tourmaline Core. I am passionate about people self-development culture at tech. I am a PhD.
Saurabh Dahal
Saurabh Dahal
AWS, USA
Former Coding bootcamp instructor, Oracle cloud engineer, and current AWS developer working with Agentic AI. Transitioned career from biomedical sciences into tech after college. Passionate about developer productivity and success.
Goran Vuksic
Goran Vuksic
syntheticAIdata, Sweden
Goran is the CTO and Co-founder of syntheticAIdata, a startup company dedicated to democratising the vision AI market by providing affordable and accessible synthetic data. With over 20 years of work experience in IT and a deep understanding of various technologies, Goran worked as an engineering and technical manager, among other roles, developing IT strategies and solutions for well-known clients. Goran is a tech enthusiast, he writes technical blog posts and he likes to share his knowledge at conferences, workshops, and meetups. He is recognised as Microsoft AI Most Valuable Professional (AI MVP), and his projects have been highlighted on websites such as Forbes, The Next Web, NVIDIA Developer, TechCrunch, and others.
Alexandre Chopin
Alexandre Chopin
NuxtLabs, France
Self-learner and passionated about web development since the age of 15, I have a strong background in frontend development and especially with Vue.js and the Jamstack.
Henry Smith
Henry Smith
Netlify, UK
Henry is a Senior Solution Engineer at Netlify based out of London, UK. He is a keen technologist with a background in modern composable web applications, physics, digital simulation and sentient computing.
Joel Chippindale
Joel Chippindale
Monkey’s Thumb, UK
Joel is a CTO Coach who supports start-up and scale-up CTOs to successfully and confidently navigate the changes in their roles as their businesses evolve. He has over 20 years experience building, scaling and leading software development teams, mainly in start-ups, where he held both CTO and COO roles.
Mikael Landau
Mikael Landau
Semble, UK
I co-founded Semble after witnessing the challenges of a fragmented healthcare system first-hand. Driven by a desire to create meaningful change, I joined forces with my fellow tech entrepreneur and friend, Christoph Lippuner, who had also seen the impact of disconnected care. Leveraging our experience as tech entrepreneurs who had successfully exited their first start-up, we collaborated closely with doctors and healthcare staff to design an interoperable, all-in-one clinical system that truly meets their needs and enables them to amplify their impact. Today, Semble supports thousands of healthcare professionals across more than 77 specialities, helping to improve care for over 8 million patients.
Robert Nagy
Robert Nagy
nxtedition, Sweden
Co-Founder at nxtedition Maintainer at CasparCG Collaborator & Technical Steering Committee Member @nodejs
Graham McNicoll
Graham McNicoll
GrowthBook, USA
Graham is the Co-founder and CEO of GrowthBook, the most popular open-source feature flagging and A/B testing platform. GrowthBook is backed by Y Combinator and Khosla Ventures. Before starting GrowthBook, Graham was the CTO of Education.com for 6 years. Graham is a three-time startup founder, including starting an international non-profit to increase access to communication in the developing world, particularly sub-Saharan Africa. He has a degree in Physics from CMU.
Benjamin Swerdlow
Benjamin Swerdlow
Freestyle, USA
Benjamin Swerdlow took a break from his studies at UChicago, to go work as a Senior Backend Engineer for Apple, who recently took a break from Apple to build Freestyle. He's been building in the Open Source community since high school, and was a technical lead for the World Health Organization's COVID-19 App team.
Marco Cedaro
Marco Cedaro
Storio Group, UK
Webmaster before it was cool, pixel pusher, javascript-something, conference organiser, father of two, but mostly known for yelling at clouds.
Evan Purkhiser
Evan Purkhiser
Sentry, USA
I am a software engineer who is passionate about building high-quality systems, tools, and applications. I am continually striving for the feeling of having built something I’m proud of, something I know that I didn’t take shortcuts on, and something worth sharing. I also have a deep appreciation for modern design aesthetics and robust interaction design. The melding of form and function is my holy grail.
Olga Trofimova
Olga Trofimova
Splicky, Germany
As a QA Engineer and Enthusiast, Olga loves to use modern and practical approaches to improve product quality. She believes that AI will never replace human work, but could help to improve the quality of testing and reduce efforts for a manual one.
Nataliya Ioffe
Nataliya Ioffe
Rangle.io, Canada
Nataliya Ioffe is a front-end software developer with a passion for guiding organizations through digital transformation and modernization processes. Her recent work has seen her partner with organizations as they upgrade their tech stacks with React and adopt Headless architectures with powerful content editing capabilities.
Dominik Göpel
Dominik Göpel
Vite & Svelte Maintainer, Germany
Software developer with more than 20 years of professional experience. Team member of Vite and Svelte.
Jonas Peeck
Jonas Peeck
uncloud, Germany
Founder at uncloud on a mission to simplify baremetal for software teams. Software dev at heart with a passion for distributed systems and making things run at scale ⬥ YouTuber ⬥ Dad of Ida 👶🏻 Caretaker of Frodo 🐶
Andy O'Neil
Andy O'Neil
Weblytica, United States
My name is Andy O'Neil, and I help entrepreneurs add time-saving automation to their businesses through a process called co-building. This is a 1-on-1 process where I assist business owners in building automations over Zoom calls. Each session is personalized to meet the specific needs of the business owner and their business automation requirements. I have been creating no-code processes and automations since 2006, even before the term "no-code" was widely used. I have a passion for teaching entrepreneurs how to automate their businesses using Make.com, which is why I focus on co-building. My goal is to empower people to understand and control the automation processes in their businesses. I have been married for 21 years and have four beautiful children who keep my wife and me very busy.
Mikhail Kuznetsov
Mikhail Kuznetsov
BGB Group, Portugal
Mikhail is a seasoned developer and tech leader with track record of working with both large companies across EU and small startups. Mikhail is passionate about new technologies and loves to share his knowledge with the world.