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!

Jean Duthon
Babbel, Germany
Jean grew up in France, where he studied computer science and got his master’s degree from the Université de Technology de Compiègne, where he grew fond of web technologies. He moved to Berlin in 2016 and started working with vanilla JavaScript, jQuery, and Angular1 until he discovered React and thought, “Wow, this is how web apps should be built.”
Those days he worked mainly with React at Babbel (the best learning language app! 😜)and loves creating enticing user experiences on the web, he has a soft spot for animations and delightful interactivity.
In his free time, he loves to cook, make cocktails (ask for advice at your own risk), and play escape/board games.

Zoe Steinkamp
InfluxData, USA
My name is Zoe Steinkamp and I am a Developer Advocate for influxData. I was a front end software engineer for over 6 years before I moved into a developer advocate role. I have been with InfluxDB for over 3 years and i look forward to sharing my knowledge of the platform and databases. I enjoy learning about awesome new technologies and doing at home tech projects to help make my life as well as other peoples lives easier. My passions besides new technology include traveling and gardening.

Zach Leatherman
Netlify, USA
Zach is a builder for the web. He created Eleventy (11ty), an award-winning open source site generator now full-time sponsored by Netlify. At one point he became entirely too fixated on web fonts. He has given 62 talks in eight different countries at events like Jamstack Conf, Beyond Tellerrand, Smashing Conference, CSSConf, and The White House. Formerly part of Filament Group, NEJS CONF, and NebraskaJS.

Steve King
JP Morgan, UK
Engineering Manager in UI Engineering at JP Morgan, Steve works with the core engineering teams creating open source developer tooling and an accessible React component library aimed at streamlining the life of development teams across the bank. Steve has working in JavaScript development focused roles since 2001 from ad agencies to fintech and IE6 through to evergreen Chrome, he is the author of several widely used open source libraries and describes his career as having been lucky enough to follow his hobby and his passion every day for over two decades.

Melanie de Leeuw
Capgemini, Netherlands
Melanie loves being a software engineer. The infinite loop of bugs, puzzles and learning make of everyday a
new adventure. Her specialty and the love of her life is Vue.js, but lately she has been adding Nuxt.js and
Node.js to the party. When she is not working as a software engineer at Capgemini, she uses her web
development skills to remove micro plastic in the waters of the world. Her goal in this life is to work towards a more sustainable way of life, meaning that her hobbies include sailing the world, documenting underwater
micro-life, and picking up trash with podcasts blasting.
She is always trying on many different hats: trainer, team lead, community builder, talker, organizer. But the
hat that fits best is developer.

Denis Artyuhovich
DAZN, UK
Principal Engineer and active open source contributor.
From Minsk, but now based in London and work at DAZN.
I like playing around with TS, React, Redux, MobX/MST, RxJS, WebGL, Serverless, Node, Functional Programming with a focus on performance, system architecture and team productivity.

Jenny Lea
Figma, UK
I am a Software Engineer at Figma, hailing from Leeds in the UK. I have always worked full stack but there is a special place in my heart for anything visual, which has lead me to my role on the Developer Tools team at Figma. What excites me about technology is being able to rapidly iterate on things and work with the smartest people around to build cool stuff! In my spare time I enjoy hanging out with my cat, oil painting and getting out into the countryside on my own two feet.

Shyam Swaroop
Atri Labs, USA
Shyam Swaroop is the maintainer and core developer of an open-source project, Atri engine - a new framework built on React. He is also the Co-Founder & CTO of Atri Labs - the company behind this project. He has worked as a software engineer in both academia and industry. His most recent engagement in academia was working with DARPA under the US Department of Defense as Graduate Research Assistant at Columbia University (USA). Previously, he has created software products that have yielded multi million dollars of revenue for his organization, EXL Services, a US-headquartered technology consulting firm. He studied Engineering from IIT, India and dropped out from graduate program in computer science at Columbia University, USA to work on his startup full-time.

Katarzyna Wojdalska
ec0lint, Poland
Katarzyna is the Co-founder and CEO of ec0lint - a tool for frontend developers that mitigates the carbon footprint of websites. On top of that, she works as a Project Manager in the nanotechnology company Nanores. Her focus lies on diamonds and vacuum sensors. Katarzyna enjoys cooking Asian food and visiting art exhibitions in her free time.

Eeva-Jonna 'Eevis' Panula
Futurice, Finland
Eevis is a software developer and accessibility specialist based in Finland. She loves sharing information about topics like accessibility, React and GraphQL, and is active in different communities aiming to increase equality in the tech field in Finland. When not coding, she explores the world around her with a kayak.

Simon Waterer
Sourcegraph, UK
Simon Waterer is a Customer Engineer at Sourcegraph. He has worked across a range of technologies including object and NoSQL databases, high performance computing and distributed platforms including Kubernetes and Mesos. Outside of technology, he likes most sports but especially cricket, rugby and F1. And loves spending time outdoors with his dog.

Darshita Chaturvedi
Atri Labs, USA
Darshita Chaturvedi is the Co-Founder & CEO of Atri Labs where she is leading the development of a new full-stack framework for web development.
She has five years of experience working in Machine Learning and Data Science fields in various capacities from Graduate Research Assistant at MIT (USA) to Quant Researcher at BlackRock, a US headquartered asset management firm. She completed her undergraduate education in Engineering from IIT Kharagpur, India, and dropped out from graduate program in management at MIT Sloan to work on her startup full-time.
Her favorite past times are painting and learning art history.

Abdelrhman Adel
Rangle, Netherlands
Abdelrhman Adel is an Amsterdam-based Solution Architect at Rangle.io, helping clients build better software experiences using technologies such as Angular, React, and Typescript. Once a Petroleum Engineer, he switched career paths to follow his passion for technology and improving user experiences. When he’s not working, you can find him gaming or binge-watching a new TV series.

Chris Stavitsky
Sentry, USA
Chris has a background as a web developer. He previously worked as a Senior Software Engineer at a company that used Sentry for error monitoring. Chris liked the product so much that he decided to come work for Sentry and make finding and fixing bugs easier for other developers.

Rob Sutter
Fauna, USA
I have woven application development into my entire career, from time in the U.S. Army and U.S. Government to stints with the Big Four, the world's largest cloud services provider, and smaller startups. I have started my own company – twice – once providing consulting services and most recently with WorkFone, a software as a service startup that provided virtual digital identities to government clients. I love to build in public with Go and all things serverless!

Robert Hostlowsky
Instana, Germany
Currently, Robert Hostlowsky is working as a developer, coach and systems engineer.
He published an online video course about developing a full-stack GraphQL application online-course.
He loves DevOps culture on modern cloud infrastructure, uses the latest state-of-the-art web technologies, and loves how it plays nicely together at minimum effort and cost.
He loves web technologies. Feeling being a part of the developer community he is co-organizing the JSCraftcamp, Munich.

Bob van Luijt
Weaviate, Netherlands
Bob is CEO and co-founder of SeMI Technologies, the business created around the open-source vector search engine Weaviate. Besides SeMI and Weaviate. Bob is a frequent speaker on the topics of open source, digital technology, software business, and creativity. He has spoken at around 100 events on the aforementioned topics in Europe, the US, and Russia.

Rebecca Friedman
Shopify, Canada
I am a strong full stack developer, and a Ruby on Rails enthusiast. I'm passionate about formalized SDL processes, and clean, well-tested code. Having worked on the monolith that is the Words With Friends backend service at Zynga, I've architected, developed and deployed features that have been used by millions of concurrent users. I'm a huge supporter of University of Toronto, and an Arbor Award recipient. I guest lecture when I can, mentor students through the Alumni Mentorship program, and volunteer at numerous interview prep workshops, panels, and networking events for students.
Nick Teets
StackHawk, USA
Nick Teets is a software developer and musician based in Denver. Nick found his passion for connecting people using technology after spending summers in the Sandhills of Nebraska establishing a multimedia journalism nonprofit. Through an interactive website, the project told the stories of the communities of the area with audio, video, photos, and text. This early foray in journalism taught him about the intersection of empathy, technology, and storytelling, and would lead him to a career in frontend software development, creating beautiful and accessible user experiences to connect people across the world.

Roy Tal
Firefly, Israel
Roy Tal is a cloud and DevOps enthusiast who loves to build tool that will make infrastructure operations better for everyone. Today he is a team leader and founding team member at Firefly who are helping solve infrastructure drift in large-scale cloud operations. Before that he served as a backend developer at Dome9, building better security practices into cloud operations, that has been acquired by Check Point.

Erik van der Voort
ING, Netherlands
Erik van der Voort has been working in Information Technology for over 25 years now. Starting as a developer, he moved to other roles like technical and functional designer and project- and portofolio-management. Quite some years ago, he discovered engineering was what made him really happy so since then he has been working in several Ops- and DevOps-roles within ING. For the past five years Erik is one of the engineers within the Fruitloops-team. This team of engineers mainly focuses on building and deploying front-end applications on a global scale within the company.


