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!
Miroslav Malecha
Miroslav Malecha
Bonitoo, Czech Republic
Miroslav Malecha is Director of Product management at Bonitoo.io. He has a background in computer science and has been focused on defining software products in data science, enterprise architectures and cloud computing. Prior to joining Bonitoo, Miroslav held product management positions at Good Data and Hewlett-Packard Software. When Mirek is not working, you can find him speeding down hills on his ebike in the forests near Prague.
Kristina J. Robinson
Kristina J. Robinson
Influxdata, USA
Kristina J. Robinson is a Software Engineering Manager at InfluxData. With over 20 years of software development experience, she is thrilled to be a part of the InfluxData UI team. Most recently, Kristina spent time in the financial tech sector working as front-end developer. Kristina graduated from Rice University with a degree in Computational and Applied Mathematics. She currently lives in San Antonio, TX, with her husband and teenage son, and has another son in college. She also has two cats, and fosters dogs and cats frequently. She plays video games with both her boys. She reads voraciously, enjoys paper crafts and knitting, and plays several musical instruments.
Jennifer Gray
Jennifer Gray
Shopify, Canada
Jennifer is a front end developer on the Docs and API Libraries team at Shopify where our goal is to make it easier for developers to build on Shopify’s platform by creating and curating technical resources. Jennifer has spent the last two years working on shopify.dev, Shopify’s home for developer documentation.
Yomi Eluwande
Yomi Eluwande
Polar Signals, Germany
I'm a frontend engineer at Polar Signals working on continuous profiling visualization tools. When I'm not coding, I enjoy watching The Office and taking pictures on my analog camera.
Ian Schwartz
Ian Schwartz
Cargurus, USA
Ian Schwartz is a Principal Developer at Cargurus with nearly a decade of experience in JavaScript, and more recently, TypeScript. His passion lies in functional programming, which he loves to integrate with React to build robust and scalable web applications. With a strong background in modern JavaScript frameworks and libraries, He is dedicated to pushing the boundaries of what's possible in web development while fostering a collaborative and innovative environment. He has a dog that looks like a cow.
Richard Moss
Richard Moss
Deventures, UK
An avid technologist, Richard has worked on a variety of projects with a diverse range of people, crossing technologies, languages, and continents. With a particular focus on the front end space, he is currently working across teams to help build and develop the tech function at Sainsbury’s. Passionate about teaching and sharing, he’s also a co-organizer of JavaScript London and was previously a senior coach at React GraphQL Academy helping professional devs take their skills to the next level.
Kat Kmiotek
Kat Kmiotek
Zoopla, Scotland
Kat works as Quality Engineer at Zoopla. Tried lots of paths: fine arts, comparative literature, social psychology and cognitive science studies before discovering the most enjoyable so far tech path. Kat solves automation testing challenges at work and jigsaw after work. Lives in Scotland.
Iker Jusue
Iker Jusue
Fractional / Interim Talent & People Leader, UK / Spain
Iker Jusue is a freelance advisor, consultant, and people leader in the UK and Spain. He has more than 10 years of professional experience leading talent acquisition and human resources teams and projects across Europe and North America, specializing in sourcing, operations, talent insights, diversity, employer branding, and HR technology. He has worked with companies such as Microsoft, McKinsey, IQVIA, Oracle, or ThoughtWorks, or start-ups as Alan, Casumo, and Silicon Gears (TTTech Auto). He is also the first non-native English speaker to win the SourceCon Grandmaster title in 20191, as well as the first Sourcing Summit Europe Hackathon winner in 20172. He helps business and HR leaders to enhance their teams and strategies with his expertise and guidance in people and talent acquisition. He is passionate about finding innovative solutions for the challenges of the modern workforce.
Tshepiso Lehutjo
Tshepiso Lehutjo
IKEA, Sweden
Tshepiso is a speaker with a commitment for building inclusive digital experiences. Her work focuses on accessibility, not just as a technical requirement, but as a human responsibility shaped by everyday design and development choices.
Miguel Henriques
Miguel Henriques
AWS, Germany
Miguel Henriques is a Cloud Application Architect at AWS with over 4 years of experience building cloud-based, serverless-first applications for large customers in the automotive industry.
Mike Ryan
Mike Ryan
Polaris, USA
Mike Ryan is the co-founder of Polaris, an AI-powered site reliability platform. Mike is a Google Developer Expert specializing in software architecture. Mike has a strong background in working with IoT in industrial manufacturing and designing sophisticated and elegant user experiences. When not in front of his MBP you can find Mike hiking the backcountry in the Pacific Northwest.
Haris Rozajac
Haris Rozajac
Grafana Labs, USA
Haris is a Software Engineer at Grafana Labs, where he makes contributions to open-source Grafana. Currently, he’s on the Explore squad, focused on improving data troubleshooting and discovery experience.
Yevhen Treiher
Yevhen Treiher
UX News, Barcelona
Senior Product Designer at FUIB and founder of ux-news.com
David Burrowes
David Burrowes
Split.io, USA
David Burrowes is a software engineer at Split.io with a decade of experience developing web applications for companies like Box, Delphix, and VMware. Having worked without feature flags, and with clunky in-house feature flagging frameworks, David is deliriously happy to have all of Split's capabilities at his disposal for every project. For fun, and to prove he’s more Star Trek than Star Wars, David likes to randomly quote large sections for Star Trek II: The Wrath of Khan.
Ariene Maiara
Ariene Maiara
G2i, Brazil
Passionate about technology, innovation, and learning new programming languages, I have been working with software and web development for over 9 years. I have strong front-end and back-end skills. Currently working with React/React Native. I also have experience working with agile methodologies such as Scrum and Kanban.
Guilherme Vieira
Guilherme Vieira
Shopify, Canada
You might be familiar with HTTP GraphQL APIs. Did you know GraphQL does not have to be delivered over HTTP? We can use GraphQL in some different contexts. asynchronous queries, batch operations, user-provided scripts, WebAssembly, webhooks, and many more. We will explore how Shopify uses GraphQL in different contexts and how you can extend your current GraphQL schema beyond HTTP APIs.
Idan Rozin
Idan Rozin
AI21 labs, Israel
Idan Rozin is a full-stack developer at AI21 Labs with a focus on startups and over 7 years of experience. A React and Node enthusiast, Idan is deeply passionate about AI and technology, continuously exploring innovative solutions in the tech landscape.
Maxim Nam
Maxim Nam
Tele2, Kazakhstan
Tele2 Kazakhstan, Front-end TeamLead, 10 years of web development, in love with project transformation and refactoring React based applications.
Itai Hanski
Itai Hanski
Descope, Israel
For more than twelve years, Itai has been creating on the full spectrum of software development. Anything from simple POCs to intricately complex systems, from native mobile development to fully fledged backend architecture, from libraries and SDKs to client facing applications.
Kevin Gao
Kevin Gao
Descope, USA
Kevin is an engineer who is passionate about solving problems and learning new skills. When he's not speaking to customers or coding through sprints, you'll find Kevin either on the road driving fast up a twisty mountain road, reading historical fiction books, or looking for a new place in the world to travel to and explore.
Logan Ralston
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
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
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.
Nasim Selmani
Nasim Selmani
deidei, Finland
Diversity, Equity & Inclusion | People Operations | Inclusive Leadership | Intersectionality | Producer