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!

Logan Ralston
TikTok, USA
Logan Ralston is a Software Engineer for TikTok who works on TUX, TikTok's internal design system. Logan has always had a passion for technology and design. He also is an avid proponent of the hackathon scene and has previously served as the director of McHacks, one of Canada's largest hackathons.

Matt Butler
Evolution, Sweden
Matt Butler, Artist, and Art Director. Previously worked in London and the USA for Virgin, EA, Sega, and Activision creating games for the X box and Playstation. Matt moved into the iGaming industry 7 years ago, he currently works for Evolution with the Netent Brand. He has directed with the help of an amazing art team many of Netent´s most successful slot titles such as Divine Fortune, Narcos, and Jumanji.

Lauren Etheridge
Sanity.io, USA
Web Developer and IT Analyst with a demonstrated history of providing development, data analysis, and communications support in the higher education, non-profit, and government sectors. Skilled in JavaScript, PHP, and SQL and a passion for DEI, community-based education/apprenticeship, and organizational behavior.

Joao Gaspar Silva
Vodafone Business, UK
I like to introduce myself as a hybrid — part Enterprise Architect, part Senior Solution Architect. I thrive at both ends of the spectrum: shaping strategic E2E target state architectures and rolling up my sleeves to prototype Industrial IoT, AI and Edge solutions with expertise on Azure, AWS and Google Cloud. I’m passionate about solving complex problems, building future-ready platforms, and delivering impact across the products that we build.

Aditya Kaushik
NDTV, India
I'm a seasoned Product Manager with over five years of experience in a leading digital media company, where I have overseen the development and scaling of multiple high-traffic news platforms built on React. With an engineering background from a prestigious government college in Delhi, I bridge the gap between technical innovation and business strategy. Their expertise spans real-time user management, subscription lifecycle optimization, and cross-functional team leadership. I'm passionate about sharing actionable insights on building robust, scalable, and user-centric React applications that thrive in fast-paced, high-demand environments.

Javier Alcaide Pérez
Bluetab Solutions, Spain
Javier Alcaide is a mathematician and software developer focused on data science and machine learning. His professional career is based on the use of advanced analytics and big data techniques within the financial sector. His current role is the design and construction of AI models and the analysis of data using ETL processing with Big Data technologies.

Jaxon Repp
HarperDB, USA
Jaxon has 25 years of experience architecting, designing, and developing enterprise software. He is the founder of three technology startups and has consulted with multiple Fortune 500 companies on IoT and Digital Transformation initiatives. A partially-reformed developer, he understands what it’s like to wrestle with technology instead of benefiting from it, and believes passionately that if the Jetsons never had an episode where a config file error brought down the food-o-matic, it surely should not be a problem now.

Thomas Wiss
Neo4j, Sweden
Thomas is a software engineer in the GraphQL team at Neo4j where he usually works with Javascript, Typescript, Cypher, and of course GraphQL. Prior to joining the GraphQL team, Thomas was part of the team who builds Neo4j’s graph visualization product, Bloom. Whenever he closes the laptop for the day he makes sure to get out in nature, do all kinds of sports and read a good book.

David Villamarin
Stack Builders, Software Developer, Ecuador
I'm David Villamarin, a Front-End Software Developer with over 5 years of expertise in JavaScript and TypeScript. I actively contribute to open-source initiatives and like to share my knowledge and experiences with the broader software community. Beyond coding, I am an avid chess player, sports enthusiast, and eclectic reader.
I look forward to contributing to the community and exchanging insights with fellow developers.

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.

Amy Bass
Docker, USA
As a youngster, I had an early interest in computers. I quickly learned to disassemble and reassemble my family's Tandy 1000 without much effort. This passion only grew as I got older. In college, I became very interested in helping to bridge the growing digital divide and started a student organization, Tech Serv, at Drexel University. After college, I started my career as a data analyst but quickly found a career in Product Management. Here, I was able to combine my love for technology with my passion for improving the lives of others. Since that time, I've been a product manager in a variety of industries including MarTech and HealthTech. Now at Docker, I hope to continue on my journey by improving the lives of developers and helping solve their daily challenges.

J. B. Rainsberger
jbrains.ca, Canada
J. B. Rainsberger (@jbrains@mastodon.social) is a professional 5-pin bowler who enjoys consulting with software development professionals and the companies that employ them. He guides companies to better results from their software projects while he helps individuals work with less stress. He wants everyone to actually realize the promised benefits of Lightweight approaches to software development, which includes making sense of the "Agile" chaos of the past quarter-century. Companies engage him for remote working sessions, training courses, on-site workshops, and in-person consulting visits. Individuals, especially those stuck in companies that don't have the budget for formal consulting, can get the help they need by joining J. B.'s mentoring group by visiting https://experience.jbrains.ca. (Quite often, they can convince their employer to pay for that!) He lives in Atlantic Canada with his wife, Sarah, who is busy showing the Open Source world how to have quality documentation even with a mostly-volunteer project community. They travel to Europe less often than they used to, which makes each visit even more enjoyable.

Alexandra Buckalew
GraphCMS, Germany
Alex is an experienced marketer and screenwriter with over 10 years of experience. A natural storyteller, Alex spends her free time writing novels and screenplays and is driven through a constant need to be constantly learning professionally and personally. Originally from Texas, she has lived in New York City, and now Berlin, Germany.

Evangelia Mitsopoulou
Tech Founder, Mentor @Philomath Academy, Thessaloniki, Greece
Mentorship available
Evangelia Mitsopoulou is a seasoned tech professional with nearly two decades of experience in software engineering, with a specialization in frontend development for the past 12+ years. She has a strong full-stack engineering foundation and a background in semantic web and linked data engineering, which informs her approach to building intelligent, structured systems.
As the founder of her own academy, Evangelia blends her expertise in frontend software engineering with instructional design and cognitive load theory to create learning experiences that help engineers master complex concepts efficiently and retain knowledge effectively.
Her career includes roles at prominent European organizations such as Elastic, ETH Zurich, Google, EF, and several fintech startups. Alongside running her academy, she advises startups as a fractional expert, helping them navigate technical challenges and scale successfully.

Serkan Ozal
Thundra, Turkey
A Computer Engineering MSc on Big Data and Cloud Computing with Hadoop and Hive at METU (Middle East Technical University).
Here is my summary:
* Big data and Cloud computing architect/researcher/developer
* Low-level Java and JVM researcher/developer/hacker
* AWS Technical and Business Consulting Partner
* "Off-Heap Storage" and "Bytecode Instrumentation" Ninja
* Oracle OpenSource Contributor
* PhD candidate about Indexing on Hadoop and Hive
* Always thinking on open-source project ideas

Antoine du Hamel
Transloadit, France
Antoine is a Software Engineer from France, working for Transloadit. His love for everything open source brought him to GitHub at an early age, and he has been a regular visitor and contributor ever since. He serves as a member of the Node.js Technical Steering Committee, the esteemed governing body that oversees the popular runtime environment. When Antoine is not channeling his creative energy into technical projects, he enjoys playing the piano.

Frédéric Harper
TinyMCE, Canada
Frédéric Harper is a seasoned Developer Advocate with over 20 years in tech, currently Senior Developer Relations Manager at Tiugo Technologies specializing in TinyMCE rich text editor. Fred has held developer advocacy roles at industry giants such as Microsoft, Mozilla, Fitbit, and npm. He's spoken at hundreds of events globally and authored a book on personal branding for developers at Apress.




